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ef416fc2 | 1 | //======================================================================== |
2 | // | |
3 | // SplashOutputDev.cc | |
4 | // | |
5 | // Copyright 2003 Glyph & Cog, LLC | |
6 | // | |
7 | //======================================================================== | |
8 | ||
9 | #include <config.h> | |
10 | ||
11 | #ifdef USE_GCC_PRAGMAS | |
12 | #pragma implementation | |
13 | #endif | |
14 | ||
15 | #include <string.h> | |
16 | #include <math.h> | |
17 | #include "gfile.h" | |
18 | #include "GlobalParams.h" | |
19 | #include "Error.h" | |
20 | #include "Object.h" | |
21 | #include "GfxFont.h" | |
22 | #include "Link.h" | |
23 | #include "CharCodeToUnicode.h" | |
24 | #include "FontEncodingTables.h" | |
25 | #include "FoFiTrueType.h" | |
26 | #include "SplashBitmap.h" | |
27 | #include "SplashGlyphBitmap.h" | |
28 | #include "SplashPattern.h" | |
29 | #include "SplashScreen.h" | |
30 | #include "SplashPath.h" | |
31 | #include "SplashState.h" | |
32 | #include "SplashErrorCodes.h" | |
33 | #include "SplashFontEngine.h" | |
34 | #include "SplashFont.h" | |
35 | #include "SplashFontFile.h" | |
36 | #include "SplashFontFileID.h" | |
37 | #include "Splash.h" | |
38 | #include "SplashOutputDev.h" | |
39 | ||
40 | //------------------------------------------------------------------------ | |
41 | // Blend functions | |
42 | //------------------------------------------------------------------------ | |
43 | ||
44 | static void splashOutBlendMultiply(SplashColorPtr src, SplashColorPtr dest, | |
45 | SplashColorPtr blend, SplashColorMode cm) { | |
46 | int i; | |
47 | ||
48 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
49 | // note: floor(x / 255) = x >> 8 (for 16-bit x) | |
50 | blend[i] = (dest[i] * src[i]) >> 8; | |
51 | } | |
52 | } | |
53 | ||
54 | static void splashOutBlendScreen(SplashColorPtr src, SplashColorPtr dest, | |
55 | SplashColorPtr blend, SplashColorMode cm) { | |
56 | int i; | |
57 | ||
58 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
59 | // note: floor(x / 255) = x >> 8 (for 16-bit x) | |
60 | blend[i] = dest[i] + src[i] - ((dest[i] * src[i]) >> 8); | |
61 | } | |
62 | } | |
63 | ||
64 | static void splashOutBlendOverlay(SplashColorPtr src, SplashColorPtr dest, | |
65 | SplashColorPtr blend, SplashColorMode cm) { | |
66 | int i; | |
67 | ||
68 | //~ not sure if this is right | |
69 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
70 | // note: floor(x / 255) = x >> 8 (for 16-bit x) | |
71 | blend[i] = dest[i] < 0x80 ? ((dest[i] * src[i]) >> 8) | |
72 | : dest[i] + src[i] - ((dest[i] * src[i]) >> 8); | |
73 | } | |
74 | } | |
75 | ||
76 | static void splashOutBlendDarken(SplashColorPtr src, SplashColorPtr dest, | |
77 | SplashColorPtr blend, SplashColorMode cm) { | |
78 | int i; | |
79 | ||
80 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
81 | blend[i] = dest[i] < src[i] ? dest[i] : src[i]; | |
82 | } | |
83 | } | |
84 | ||
85 | static void splashOutBlendLighten(SplashColorPtr src, SplashColorPtr dest, | |
86 | SplashColorPtr blend, SplashColorMode cm) { | |
87 | int i; | |
88 | ||
89 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
90 | blend[i] = dest[i] > src[i] ? dest[i] : src[i]; | |
91 | } | |
92 | } | |
93 | ||
94 | static void splashOutBlendColorDodge(SplashColorPtr src, SplashColorPtr dest, | |
95 | SplashColorPtr blend, | |
96 | SplashColorMode cm) { | |
97 | int i, x; | |
98 | ||
99 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
100 | x = dest[i] + src[i]; | |
101 | blend[i] = x <= 255 ? x : 255; | |
102 | } | |
103 | } | |
104 | ||
105 | static void splashOutBlendColorBurn(SplashColorPtr src, SplashColorPtr dest, | |
106 | SplashColorPtr blend, SplashColorMode cm) { | |
107 | int i, x; | |
108 | ||
109 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
110 | x = dest[i] - (255 - src[i]); | |
111 | blend[i] = x >= 0 ? x : 0; | |
112 | } | |
113 | } | |
114 | ||
115 | static void splashOutBlendHardLight(SplashColorPtr src, SplashColorPtr dest, | |
116 | SplashColorPtr blend, SplashColorMode cm) { | |
117 | int i; | |
118 | ||
119 | //~ not sure if this is right | |
120 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
121 | // note: floor(x / 255) = x >> 8 (for 16-bit x) | |
122 | blend[i] = src[i] < 0x80 | |
123 | ? ((dest[i] * (src[i] * 2)) >> 8) | |
124 | : 0xff - (((0xff - dest[i]) * (0x1ff - src[i] * 2)) >> 8); | |
125 | } | |
126 | } | |
127 | ||
128 | static void splashOutBlendSoftLight(SplashColorPtr src, SplashColorPtr dest, | |
129 | SplashColorPtr blend, SplashColorMode cm) { | |
130 | int i, x; | |
131 | ||
132 | //~ not sure if this is right | |
133 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
134 | if (src[i] < 0x80) { | |
135 | x = dest[i] - (0x80 - src[i]); | |
136 | blend[i] = x >= 0 ? x : 0; | |
137 | } else { | |
138 | x = dest[i] + (src[i] - 0x80); | |
139 | blend[i] = x <= 255 ? x : 255; | |
140 | } | |
141 | } | |
142 | } | |
143 | ||
144 | static void splashOutBlendDifference(SplashColorPtr src, SplashColorPtr dest, | |
145 | SplashColorPtr blend, | |
146 | SplashColorMode cm) { | |
147 | int i; | |
148 | ||
149 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
150 | blend[i] = dest[i] < src[i] ? src[i] - dest[i] : dest[i] - src[i]; | |
151 | } | |
152 | } | |
153 | ||
154 | static void splashOutBlendExclusion(SplashColorPtr src, SplashColorPtr dest, | |
155 | SplashColorPtr blend, SplashColorMode cm) { | |
156 | int i; | |
157 | ||
158 | //~ not sure what this is supposed to do | |
159 | for (i = 0; i < splashColorModeNComps[cm]; ++i) { | |
160 | blend[i] = dest[i] < src[i] ? src[i] - dest[i] : dest[i] - src[i]; | |
161 | } | |
162 | } | |
163 | ||
164 | static void cvtRGBToHSV(Guchar r, Guchar g, Guchar b, int *h, int *s, int *v) { | |
165 | int cmax, cmid, cmin, x; | |
166 | ||
167 | if (r >= g) { | |
168 | if (g >= b) { x = 0; cmax = r; cmid = g; cmin = b; } | |
169 | else if (b >= r) { x = 4; cmax = b; cmid = r; cmin = g; } | |
170 | else { x = 5; cmax = r; cmid = b; cmin = g; } | |
171 | } else { | |
172 | if (r >= b) { x = 1; cmax = g; cmid = r; cmin = b; } | |
173 | else if (g >= b) { x = 2; cmax = g; cmid = b; cmin = r; } | |
174 | else { x = 3; cmax = b; cmid = g; cmin = r; } | |
175 | } | |
176 | if (cmax == cmin) { | |
177 | *h = *s = 0; | |
178 | } else { | |
179 | *h = x * 60; | |
180 | if (x & 1) { | |
181 | *h += ((cmax - cmid) * 60) / (cmax - cmin); | |
182 | } else { | |
183 | *h += ((cmid - cmin) * 60) / (cmax - cmin); | |
184 | } | |
185 | *s = (255 * (cmax - cmin)) / cmax; | |
186 | } | |
187 | *v = cmax; | |
188 | } | |
189 | ||
190 | static void cvtHSVToRGB(int h, int s, int v, Guchar *r, Guchar *g, Guchar *b) { | |
191 | int x, f, cmax, cmid, cmin; | |
192 | ||
193 | if (s == 0) { | |
194 | *r = *g = *b = v; | |
195 | } else { | |
196 | x = h / 60; | |
197 | f = h % 60; | |
198 | cmax = v; | |
199 | if (x & 1) { | |
200 | cmid = (v * 255 - ((s * f) / 60)) >> 8; | |
201 | } else { | |
202 | cmid = (v * (255 - ((s * (60 - f)) / 60))) >> 8; | |
203 | } | |
204 | // note: floor(x / 255) = x >> 8 (for 16-bit x) | |
205 | cmin = (v * (255 - s)) >> 8; | |
206 | switch (x) { | |
207 | case 0: *r = cmax; *g = cmid; *b = cmin; break; | |
208 | case 1: *g = cmax; *r = cmid; *b = cmin; break; | |
209 | case 2: *g = cmax; *b = cmid; *r = cmin; break; | |
210 | case 3: *b = cmax; *g = cmid; *r = cmin; break; | |
211 | case 4: *b = cmax; *r = cmid; *g = cmin; break; | |
212 | case 5: *r = cmax; *b = cmid; *g = cmin; break; | |
213 | } | |
214 | } | |
215 | } | |
216 | ||
217 | static void splashOutBlendHue(SplashColorPtr src, SplashColorPtr dest, | |
218 | SplashColorPtr blend, SplashColorMode cm) { | |
219 | int hs, ss, vs, hd, sd, vd; | |
220 | #if SPLASH_CMYK | |
221 | Guchar r, g, b; | |
222 | #endif | |
223 | ||
224 | switch (cm) { | |
225 | case splashModeMono1: | |
226 | case splashModeMono8: | |
227 | blend[0] = dest[0]; | |
228 | break; | |
229 | case splashModeRGB8: | |
230 | cvtRGBToHSV(src[0], src[1], src[2], &hs, &ss, &vs); | |
231 | cvtRGBToHSV(dest[0], dest[1], dest[2], &hd, &sd, &vd); | |
232 | cvtHSVToRGB(hs, sd, vd, &blend[0], &blend[1], &blend[2]); | |
233 | break; | |
234 | case splashModeBGR8: | |
235 | cvtRGBToHSV(src[2], src[1], src[0], &hs, &ss, &vs); | |
236 | cvtRGBToHSV(dest[2], dest[1], dest[0], &hd, &sd, &vd); | |
237 | cvtHSVToRGB(hs, sd, vd, &blend[2], &blend[1], &blend[0]); | |
238 | break; | |
239 | #if SPLASH_CMYK | |
240 | case splashModeCMYK8: | |
241 | //~ (0xff - ...) should be clipped | |
242 | cvtRGBToHSV(0xff - (src[0] + src[3]), | |
243 | 0xff - (src[1] + src[3]), | |
244 | 0xff - (src[2] + src[3]), &hs, &ss, &vs); | |
245 | cvtRGBToHSV(0xff - (dest[0] + dest[3]), | |
246 | 0xff - (dest[1] + dest[3]), | |
247 | 0xff - (dest[2] + dest[3]), &hd, &sd, &vd); | |
248 | cvtHSVToRGB(hs, sd, vd, &r, &g, &b); | |
249 | //~ should do black generation | |
250 | blend[0] = 0xff - r; | |
251 | blend[0] = 0xff - g; | |
252 | blend[0] = 0xff - b; | |
253 | blend[3] = 0; | |
254 | break; | |
255 | #endif | |
256 | default: | |
257 | //~ unimplemented | |
258 | break; | |
259 | } | |
260 | } | |
261 | ||
262 | static void splashOutBlendSaturation(SplashColorPtr src, SplashColorPtr dest, | |
263 | SplashColorPtr blend, | |
264 | SplashColorMode cm) { | |
265 | int hs, ss, vs, hd, sd, vd; | |
266 | #if SPLASH_CMYK | |
267 | Guchar r, g, b; | |
268 | #endif | |
269 | ||
270 | switch (cm) { | |
271 | case splashModeMono1: | |
272 | case splashModeMono8: | |
273 | blend[0] = dest[0]; | |
274 | break; | |
275 | case splashModeRGB8: | |
276 | cvtRGBToHSV(src[0], src[1], src[2], &hs, &ss, &vs); | |
277 | cvtRGBToHSV(dest[0], dest[1], dest[2], &hd, &sd, &vd); | |
278 | cvtHSVToRGB(hd, ss, vd, &blend[0], &blend[1], &blend[2]); | |
279 | break; | |
280 | case splashModeBGR8: | |
281 | cvtRGBToHSV(src[2], src[1], src[0], &hs, &ss, &vs); | |
282 | cvtRGBToHSV(dest[2], dest[1], dest[0], &hd, &sd, &vd); | |
283 | cvtHSVToRGB(hd, ss, vd, &blend[2], &blend[1], &blend[0]); | |
284 | break; | |
285 | #if SPLASH_CMYK | |
286 | case splashModeCMYK8: | |
287 | //~ (0xff - ...) should be clipped | |
288 | cvtRGBToHSV(0xff - (src[0] + src[3]), | |
289 | 0xff - (src[1] + src[3]), | |
290 | 0xff - (src[2] + src[3]), &hs, &ss, &vs); | |
291 | cvtRGBToHSV(0xff - (dest[0] + dest[3]), | |
292 | 0xff - (dest[1] + dest[3]), | |
293 | 0xff - (dest[2] + dest[3]), &hd, &sd, &vd); | |
294 | cvtHSVToRGB(hd, ss, vd, &r, &g, &b); | |
295 | //~ should do black generation | |
296 | blend[0] = 0xff - r; | |
297 | blend[0] = 0xff - g; | |
298 | blend[0] = 0xff - b; | |
299 | blend[3] = 0; | |
300 | break; | |
301 | #endif | |
302 | default: | |
303 | //~ unimplemented | |
304 | break; | |
305 | } | |
306 | } | |
307 | ||
308 | static void splashOutBlendColor(SplashColorPtr src, SplashColorPtr dest, | |
309 | SplashColorPtr blend, SplashColorMode cm) { | |
310 | int hs, ss, vs, hd, sd, vd; | |
311 | #if SPLASH_CMYK | |
312 | Guchar r, g, b; | |
313 | #endif | |
314 | ||
315 | switch (cm) { | |
316 | case splashModeMono1: | |
317 | case splashModeMono8: | |
318 | blend[0] = dest[0]; | |
319 | break; | |
320 | case splashModeRGB8: | |
321 | cvtRGBToHSV(src[0], src[1], src[2], &hs, &ss, &vs); | |
322 | cvtRGBToHSV(dest[0], dest[1], dest[2], &hd, &sd, &vd); | |
323 | cvtHSVToRGB(hs, ss, vd, &blend[0], &blend[1], &blend[2]); | |
324 | break; | |
325 | case splashModeBGR8: | |
326 | cvtRGBToHSV(src[2], src[1], src[0], &hs, &ss, &vs); | |
327 | cvtRGBToHSV(dest[2], dest[1], dest[0], &hd, &sd, &vd); | |
328 | cvtHSVToRGB(hs, ss, vd, &blend[2], &blend[1], &blend[0]); | |
329 | break; | |
330 | #if SPLASH_CMYK | |
331 | case splashModeCMYK8: | |
332 | //~ (0xff - ...) should be clipped | |
333 | cvtRGBToHSV(0xff - (src[0] + src[3]), | |
334 | 0xff - (src[1] + src[3]), | |
335 | 0xff - (src[2] + src[3]), &hs, &ss, &vs); | |
336 | cvtRGBToHSV(0xff - (dest[0] + dest[3]), | |
337 | 0xff - (dest[1] + dest[3]), | |
338 | 0xff - (dest[2] + dest[3]), &hd, &sd, &vd); | |
339 | cvtHSVToRGB(hs, ss, vd, &r, &g, &b); | |
340 | //~ should do black generation | |
341 | blend[0] = 0xff - r; | |
342 | blend[0] = 0xff - g; | |
343 | blend[0] = 0xff - b; | |
344 | blend[3] = 0; | |
345 | break; | |
346 | #endif | |
347 | default: | |
348 | //~ unimplemented | |
349 | break; | |
350 | } | |
351 | } | |
352 | ||
353 | static void splashOutBlendLuminosity(SplashColorPtr src, SplashColorPtr dest, | |
354 | SplashColorPtr blend, | |
355 | SplashColorMode cm) { | |
356 | int hs, ss, vs, hd, sd, vd; | |
357 | #if SPLASH_CMYK | |
358 | Guchar r, g, b; | |
359 | #endif | |
360 | ||
361 | switch (cm) { | |
362 | case splashModeMono1: | |
363 | case splashModeMono8: | |
364 | blend[0] = dest[0]; | |
365 | break; | |
366 | case splashModeRGB8: | |
367 | cvtRGBToHSV(src[0], src[1], src[2], &hs, &ss, &vs); | |
368 | cvtRGBToHSV(dest[0], dest[1], dest[2], &hd, &sd, &vd); | |
369 | cvtHSVToRGB(hd, sd, vs, &blend[0], &blend[1], &blend[2]); | |
370 | break; | |
371 | case splashModeBGR8: | |
372 | cvtRGBToHSV(src[2], src[1], src[0], &hs, &ss, &vs); | |
373 | cvtRGBToHSV(dest[2], dest[1], dest[0], &hd, &sd, &vd); | |
374 | cvtHSVToRGB(hd, sd, vs, &blend[2], &blend[1], &blend[0]); | |
375 | break; | |
376 | #if SPLASH_CMYK | |
377 | case splashModeCMYK8: | |
378 | //~ (0xff - ...) should be clipped | |
379 | cvtRGBToHSV(0xff - (src[0] + src[3]), | |
380 | 0xff - (src[1] + src[3]), | |
381 | 0xff - (src[2] + src[3]), &hs, &ss, &vs); | |
382 | cvtRGBToHSV(0xff - (dest[0] + dest[3]), | |
383 | 0xff - (dest[1] + dest[3]), | |
384 | 0xff - (dest[2] + dest[3]), &hd, &sd, &vd); | |
385 | cvtHSVToRGB(hd, sd, vs, &r, &g, &b); | |
386 | //~ should do black generation | |
387 | blend[0] = 0xff - r; | |
388 | blend[0] = 0xff - g; | |
389 | blend[0] = 0xff - b; | |
390 | blend[3] = 0; | |
391 | break; | |
392 | #endif | |
393 | default: | |
394 | //~ unimplemented | |
395 | break; | |
396 | } | |
397 | } | |
398 | ||
399 | // NB: This must match the GfxBlendMode enum defined in GfxState.h. | |
400 | SplashBlendFunc splashOutBlendFuncs[] = { | |
401 | NULL, | |
402 | &splashOutBlendMultiply, | |
403 | &splashOutBlendScreen, | |
404 | &splashOutBlendOverlay, | |
405 | &splashOutBlendDarken, | |
406 | &splashOutBlendLighten, | |
407 | &splashOutBlendColorDodge, | |
408 | &splashOutBlendColorBurn, | |
409 | &splashOutBlendHardLight, | |
410 | &splashOutBlendSoftLight, | |
411 | &splashOutBlendDifference, | |
412 | &splashOutBlendExclusion, | |
413 | &splashOutBlendHue, | |
414 | &splashOutBlendSaturation, | |
415 | &splashOutBlendColor, | |
416 | &splashOutBlendLuminosity | |
417 | }; | |
418 | ||
419 | //------------------------------------------------------------------------ | |
420 | // Font substitutions | |
421 | //------------------------------------------------------------------------ | |
422 | ||
423 | struct SplashOutFontSubst { | |
424 | char *name; | |
425 | double mWidth; | |
426 | }; | |
427 | ||
428 | // index: {symbolic:12, fixed:8, serif:4, sans-serif:0} + bold*2 + italic | |
429 | static SplashOutFontSubst splashOutSubstFonts[16] = { | |
430 | {"Helvetica", 0.833}, | |
431 | {"Helvetica-Oblique", 0.833}, | |
432 | {"Helvetica-Bold", 0.889}, | |
433 | {"Helvetica-BoldOblique", 0.889}, | |
434 | {"Times-Roman", 0.788}, | |
435 | {"Times-Italic", 0.722}, | |
436 | {"Times-Bold", 0.833}, | |
437 | {"Times-BoldItalic", 0.778}, | |
438 | {"Courier", 0.600}, | |
439 | {"Courier-Oblique", 0.600}, | |
440 | {"Courier-Bold", 0.600}, | |
441 | {"Courier-BoldOblique", 0.600}, | |
442 | {"Symbol", 0.576}, | |
443 | {"Symbol", 0.576}, | |
444 | {"Symbol", 0.576}, | |
445 | {"Symbol", 0.576} | |
446 | }; | |
447 | ||
448 | //------------------------------------------------------------------------ | |
449 | // SplashOutFontFileID | |
450 | //------------------------------------------------------------------------ | |
451 | ||
452 | class SplashOutFontFileID: public SplashFontFileID { | |
453 | public: | |
454 | ||
455 | SplashOutFontFileID(Ref *rA) { r = *rA; substIdx = -1; } | |
456 | ||
457 | ~SplashOutFontFileID() {} | |
458 | ||
459 | GBool matches(SplashFontFileID *id) { | |
460 | return ((SplashOutFontFileID *)id)->r.num == r.num && | |
461 | ((SplashOutFontFileID *)id)->r.gen == r.gen; | |
462 | } | |
463 | ||
464 | void setSubstIdx(int substIdxA) { substIdx = substIdxA; } | |
465 | int getSubstIdx() { return substIdx; } | |
466 | ||
467 | private: | |
468 | ||
469 | Ref r; | |
470 | int substIdx; | |
471 | }; | |
472 | ||
473 | //------------------------------------------------------------------------ | |
474 | // T3FontCache | |
475 | //------------------------------------------------------------------------ | |
476 | ||
477 | struct T3FontCacheTag { | |
478 | Gushort code; | |
479 | Gushort mru; // valid bit (0x8000) and MRU index | |
480 | }; | |
481 | ||
482 | class T3FontCache { | |
483 | public: | |
484 | ||
485 | T3FontCache(Ref *fontID, double m11A, double m12A, | |
486 | double m21A, double m22A, | |
487 | int glyphXA, int glyphYA, int glyphWA, int glyphHA, | |
488 | GBool aa); | |
489 | ~T3FontCache(); | |
490 | GBool matches(Ref *idA, double m11A, double m12A, | |
491 | double m21A, double m22A) | |
492 | { return fontID.num == idA->num && fontID.gen == idA->gen && | |
493 | m11 == m11A && m12 == m12A && m21 == m21A && m22 == m22A; } | |
494 | ||
495 | Ref fontID; // PDF font ID | |
496 | double m11, m12, m21, m22; // transform matrix | |
497 | int glyphX, glyphY; // pixel offset of glyph bitmaps | |
498 | int glyphW, glyphH; // size of glyph bitmaps, in pixels | |
499 | int glyphSize; // size of glyph bitmaps, in bytes | |
500 | int cacheSets; // number of sets in cache | |
501 | int cacheAssoc; // cache associativity (glyphs per set) | |
502 | Guchar *cacheData; // glyph pixmap cache | |
503 | T3FontCacheTag *cacheTags; // cache tags, i.e., char codes | |
504 | }; | |
505 | ||
506 | T3FontCache::T3FontCache(Ref *fontIDA, double m11A, double m12A, | |
507 | double m21A, double m22A, | |
508 | int glyphXA, int glyphYA, int glyphWA, int glyphHA, | |
509 | GBool aa) { | |
510 | int i; | |
511 | ||
512 | fontID = *fontIDA; | |
513 | m11 = m11A; | |
514 | m12 = m12A; | |
515 | m21 = m21A; | |
516 | m22 = m22A; | |
517 | glyphX = glyphXA; | |
518 | glyphY = glyphYA; | |
519 | glyphW = glyphWA; | |
520 | glyphH = glyphHA; | |
521 | if (aa) { | |
522 | glyphSize = glyphW * glyphH; | |
523 | } else { | |
524 | glyphSize = ((glyphW + 7) >> 3) * glyphH; | |
525 | } | |
526 | cacheAssoc = 8; | |
527 | if (glyphSize <= 256) { | |
528 | cacheSets = 8; | |
529 | } else if (glyphSize <= 512) { | |
530 | cacheSets = 4; | |
531 | } else if (glyphSize <= 1024) { | |
532 | cacheSets = 2; | |
533 | } else { | |
534 | cacheSets = 1; | |
535 | } | |
536 | cacheData = (Guchar *)gmallocn(cacheSets * cacheAssoc, glyphSize); | |
537 | cacheTags = (T3FontCacheTag *)gmallocn(cacheSets * cacheAssoc, | |
538 | sizeof(T3FontCacheTag)); | |
539 | for (i = 0; i < cacheSets * cacheAssoc; ++i) { | |
540 | cacheTags[i].mru = i & (cacheAssoc - 1); | |
541 | } | |
542 | } | |
543 | ||
544 | T3FontCache::~T3FontCache() { | |
545 | gfree(cacheData); | |
546 | gfree(cacheTags); | |
547 | } | |
548 | ||
549 | struct T3GlyphStack { | |
550 | Gushort code; // character code | |
551 | double x, y; // position to draw the glyph | |
552 | ||
553 | //----- cache info | |
554 | T3FontCache *cache; // font cache for the current font | |
555 | T3FontCacheTag *cacheTag; // pointer to cache tag for the glyph | |
556 | Guchar *cacheData; // pointer to cache data for the glyph | |
557 | ||
558 | //----- saved state | |
559 | SplashBitmap *origBitmap; | |
560 | Splash *origSplash; | |
561 | double origCTM4, origCTM5; | |
562 | ||
563 | T3GlyphStack *next; // next object on stack | |
564 | }; | |
565 | ||
566 | //------------------------------------------------------------------------ | |
567 | // SplashOutputDev | |
568 | //------------------------------------------------------------------------ | |
569 | ||
570 | SplashOutputDev::SplashOutputDev(SplashColorMode colorModeA, | |
571 | int bitmapRowPadA, | |
572 | GBool reverseVideoA, | |
573 | SplashColorPtr paperColorA, | |
574 | GBool bitmapTopDownA, | |
575 | GBool allowAntialiasA) { | |
576 | colorMode = colorModeA; | |
577 | bitmapRowPad = bitmapRowPadA; | |
578 | bitmapTopDown = bitmapTopDownA; | |
579 | allowAntialias = allowAntialiasA; | |
580 | reverseVideo = reverseVideoA; | |
581 | splashColorCopy(paperColor, paperColorA); | |
582 | ||
583 | xref = NULL; | |
584 | ||
585 | bitmap = new SplashBitmap(1, 1, bitmapRowPad, colorMode, bitmapTopDown); | |
586 | splash = new Splash(bitmap); | |
587 | splash->clear(paperColor); | |
588 | ||
589 | fontEngine = NULL; | |
590 | ||
591 | nT3Fonts = 0; | |
592 | t3GlyphStack = NULL; | |
593 | ||
594 | font = NULL; | |
595 | needFontUpdate = gFalse; | |
596 | textClipPath = NULL; | |
597 | } | |
598 | ||
599 | SplashOutputDev::~SplashOutputDev() { | |
600 | int i; | |
601 | ||
602 | for (i = 0; i < nT3Fonts; ++i) { | |
603 | delete t3FontCache[i]; | |
604 | } | |
605 | if (fontEngine) { | |
606 | delete fontEngine; | |
607 | } | |
608 | if (splash) { | |
609 | delete splash; | |
610 | } | |
611 | if (bitmap) { | |
612 | delete bitmap; | |
613 | } | |
614 | } | |
615 | ||
616 | void SplashOutputDev::startDoc(XRef *xrefA) { | |
617 | int i; | |
618 | ||
619 | xref = xrefA; | |
620 | if (fontEngine) { | |
621 | delete fontEngine; | |
622 | } | |
623 | fontEngine = new SplashFontEngine( | |
624 | #if HAVE_T1LIB_H | |
625 | globalParams->getEnableT1lib(), | |
626 | #endif | |
627 | #if HAVE_FREETYPE_FREETYPE_H || HAVE_FREETYPE_H | |
628 | globalParams->getEnableFreeType(), | |
629 | #endif | |
630 | allowAntialias && | |
631 | globalParams->getAntialias() && | |
632 | colorMode != splashModeMono1); | |
633 | for (i = 0; i < nT3Fonts; ++i) { | |
634 | delete t3FontCache[i]; | |
635 | } | |
636 | nT3Fonts = 0; | |
637 | } | |
638 | ||
639 | GBool SplashOutputDev::startPage(int pageNum, GfxState *state) { | |
640 | int w, h; | |
641 | SplashColor color; | |
642 | ||
643 | w = state ? (int)(state->getPageWidth() + 0.5) : 1; | |
644 | h = state ? (int)(state->getPageHeight() + 0.5) : 1; | |
645 | if (splash) { | |
646 | delete splash; | |
647 | } | |
648 | if (!bitmap || w != bitmap->getWidth() || h != bitmap->getHeight()) { | |
649 | if (bitmap) { | |
650 | delete bitmap; | |
651 | } | |
652 | bitmap = new SplashBitmap(w, h, bitmapRowPad, colorMode, bitmapTopDown); | |
653 | } | |
654 | splash = new Splash(bitmap); | |
655 | switch (colorMode) { | |
656 | case splashModeMono1: | |
657 | case splashModeMono8: | |
658 | color[0] = 0; | |
659 | break; | |
660 | case splashModeRGB8: | |
661 | case splashModeBGR8: | |
662 | color[0] = color[1] = color[2] = 0; | |
663 | break; | |
664 | case splashModeAMono8: | |
665 | color[0] = 0xff; | |
666 | color[1] = 0; | |
667 | break; | |
668 | case splashModeARGB8: | |
669 | color[0] = 255; | |
670 | color[1] = color[2] = color[3] = 0; | |
671 | break; | |
672 | case splashModeBGRA8: | |
673 | color[0] = color[1] = color[2] = 0; | |
674 | color[3] = 255; | |
675 | break; | |
676 | #if SPLASH_CMYK | |
677 | case splashModeCMYK8: | |
678 | color[0] = color[1] = color[2] = color[3] = 0; | |
679 | break; | |
680 | case splashModeACMYK8: | |
681 | color[0] = 255; | |
682 | color[1] = color[2] = color[3] = color[4] = 0; | |
683 | break; | |
684 | #endif | |
685 | } | |
686 | splash->setStrokePattern(new SplashSolidColor(color)); | |
687 | splash->setFillPattern(new SplashSolidColor(color)); | |
688 | splash->setLineCap(splashLineCapButt); | |
689 | splash->setLineJoin(splashLineJoinMiter); | |
690 | splash->setLineDash(NULL, 0, 0); | |
691 | splash->setMiterLimit(10); | |
692 | splash->setFlatness(1); | |
693 | splash->clear(paperColor); | |
694 | ||
695 | return (gTrue); | |
696 | } | |
697 | ||
698 | void SplashOutputDev::endPage() { | |
699 | } | |
700 | ||
701 | void SplashOutputDev::drawLink(Link *link, Catalog *catalog) { | |
702 | double x1, y1, x2, y2; | |
703 | LinkBorderStyle *borderStyle; | |
704 | double r, g, b; | |
705 | GfxRGB rgb; | |
706 | GfxGray gray; | |
707 | #if SPLASH_CMYK | |
708 | GfxCMYK cmyk; | |
709 | #endif | |
710 | double *dash; | |
711 | int dashLength; | |
712 | SplashCoord dashList[20]; | |
713 | SplashPath *path; | |
714 | int x, y, i; | |
715 | ||
716 | link->getRect(&x1, &y1, &x2, &y2); | |
717 | borderStyle = link->getBorderStyle(); | |
718 | if (borderStyle->getWidth() > 0) { | |
719 | borderStyle->getColor(&r, &g, &b); | |
720 | rgb.r = dblToCol(r); | |
721 | rgb.g = dblToCol(g); | |
722 | rgb.b = dblToCol(b); | |
723 | gray = dblToCol(0.299 * r + 0.587 * g + 0.114 * b); | |
724 | if (gray > gfxColorComp1) { | |
725 | gray = gfxColorComp1; | |
726 | } | |
727 | #if SPLASH_CMYK | |
728 | cmyk.c = gfxColorComp1 - rgb.r; | |
729 | cmyk.m = gfxColorComp1 - rgb.g; | |
730 | cmyk.y = gfxColorComp1 - rgb.b; | |
731 | cmyk.k = 0; | |
732 | splash->setStrokePattern(getColor(gray, &rgb, &cmyk)); | |
733 | #else | |
734 | splash->setStrokePattern(getColor(gray, &rgb)); | |
735 | #endif | |
736 | splash->setLineWidth((SplashCoord)borderStyle->getWidth()); | |
737 | borderStyle->getDash(&dash, &dashLength); | |
738 | if (borderStyle->getType() == linkBorderDashed && dashLength > 0) { | |
739 | if (dashLength > 20) { | |
740 | dashLength = 20; | |
741 | } | |
742 | for (i = 0; i < dashLength; ++i) { | |
743 | dashList[i] = (SplashCoord)dash[i]; | |
744 | } | |
745 | splash->setLineDash(dashList, dashLength, 0); | |
746 | } | |
747 | path = new SplashPath(); | |
748 | if (borderStyle->getType() == linkBorderUnderlined) { | |
749 | cvtUserToDev(x1, y1, &x, &y); | |
750 | path->moveTo((SplashCoord)x, (SplashCoord)y); | |
751 | cvtUserToDev(x2, y1, &x, &y); | |
752 | path->lineTo((SplashCoord)x, (SplashCoord)y); | |
753 | } else { | |
754 | cvtUserToDev(x1, y1, &x, &y); | |
755 | path->moveTo((SplashCoord)x, (SplashCoord)y); | |
756 | cvtUserToDev(x2, y1, &x, &y); | |
757 | path->lineTo((SplashCoord)x, (SplashCoord)y); | |
758 | cvtUserToDev(x2, y2, &x, &y); | |
759 | path->lineTo((SplashCoord)x, (SplashCoord)y); | |
760 | cvtUserToDev(x1, y2, &x, &y); | |
761 | path->lineTo((SplashCoord)x, (SplashCoord)y); | |
762 | path->close(); | |
763 | } | |
764 | splash->stroke(path); | |
765 | delete path; | |
766 | } | |
767 | } | |
768 | ||
769 | void SplashOutputDev::saveState(GfxState *state) { | |
770 | splash->saveState(); | |
771 | } | |
772 | ||
773 | void SplashOutputDev::restoreState(GfxState *state) { | |
774 | splash->restoreState(); | |
775 | needFontUpdate = gTrue; | |
776 | } | |
777 | ||
778 | void SplashOutputDev::updateAll(GfxState *state) { | |
779 | updateLineDash(state); | |
780 | updateLineJoin(state); | |
781 | updateLineCap(state); | |
782 | updateLineWidth(state); | |
783 | updateFlatness(state); | |
784 | updateMiterLimit(state); | |
785 | updateFillColor(state); | |
786 | updateStrokeColor(state); | |
787 | needFontUpdate = gTrue; | |
788 | } | |
789 | ||
790 | void SplashOutputDev::updateCTM(GfxState *state, double m11, double m12, | |
791 | double m21, double m22, | |
792 | double m31, double m32) { | |
793 | updateLineDash(state); | |
794 | updateLineJoin(state); | |
795 | updateLineCap(state); | |
796 | updateLineWidth(state); | |
797 | } | |
798 | ||
799 | void SplashOutputDev::updateLineDash(GfxState *state) { | |
800 | double *dashPattern; | |
801 | int dashLength; | |
802 | double dashStart; | |
803 | SplashCoord dash[20]; | |
804 | SplashCoord phase; | |
805 | int i; | |
806 | ||
807 | state->getLineDash(&dashPattern, &dashLength, &dashStart); | |
808 | if (dashLength > 20) { | |
809 | dashLength = 20; | |
810 | } | |
811 | for (i = 0; i < dashLength; ++i) { | |
812 | dash[i] = (SplashCoord)state->transformWidth(dashPattern[i]); | |
813 | if (dash[i] < 1) { | |
814 | dash[i] = 1; | |
815 | } | |
816 | } | |
817 | phase = (SplashCoord)state->transformWidth(dashStart); | |
818 | splash->setLineDash(dash, dashLength, phase); | |
819 | } | |
820 | ||
821 | void SplashOutputDev::updateFlatness(GfxState *state) { | |
822 | splash->setFlatness(state->getFlatness()); | |
823 | } | |
824 | ||
825 | void SplashOutputDev::updateLineJoin(GfxState *state) { | |
826 | splash->setLineJoin(state->getLineJoin()); | |
827 | } | |
828 | ||
829 | void SplashOutputDev::updateLineCap(GfxState *state) { | |
830 | splash->setLineCap(state->getLineCap()); | |
831 | } | |
832 | ||
833 | void SplashOutputDev::updateMiterLimit(GfxState *state) { | |
834 | splash->setMiterLimit(state->getMiterLimit()); | |
835 | } | |
836 | ||
837 | void SplashOutputDev::updateLineWidth(GfxState *state) { | |
838 | splash->setLineWidth(state->getTransformedLineWidth()); | |
839 | } | |
840 | ||
841 | void SplashOutputDev::updateFillColor(GfxState *state) { | |
842 | GfxGray gray; | |
843 | GfxRGB rgb; | |
844 | #if SPLASH_CMYK | |
845 | GfxCMYK cmyk; | |
846 | #endif | |
847 | ||
848 | state->getFillGray(&gray); | |
849 | state->getFillRGB(&rgb); | |
850 | #if SPLASH_CMYK | |
851 | state->getFillCMYK(&cmyk); | |
852 | splash->setFillPattern(getColor(gray, &rgb, &cmyk)); | |
853 | #else | |
854 | splash->setFillPattern(getColor(gray, &rgb)); | |
855 | #endif | |
856 | } | |
857 | ||
858 | void SplashOutputDev::updateStrokeColor(GfxState *state) { | |
859 | GfxGray gray; | |
860 | GfxRGB rgb; | |
861 | #if SPLASH_CMYK | |
862 | GfxCMYK cmyk; | |
863 | #endif | |
864 | ||
865 | state->getStrokeGray(&gray); | |
866 | state->getStrokeRGB(&rgb); | |
867 | #if SPLASH_CMYK | |
868 | state->getStrokeCMYK(&cmyk); | |
869 | splash->setStrokePattern(getColor(gray, &rgb, &cmyk)); | |
870 | #else | |
871 | splash->setStrokePattern(getColor(gray, &rgb)); | |
872 | #endif | |
873 | } | |
874 | ||
875 | #if SPLASH_CMYK | |
876 | SplashPattern *SplashOutputDev::getColor(GfxGray gray, GfxRGB *rgb, | |
877 | GfxCMYK *cmyk) { | |
878 | #else | |
879 | SplashPattern *SplashOutputDev::getColor(GfxGray gray, GfxRGB *rgb) { | |
880 | #endif | |
881 | SplashPattern *pattern; | |
882 | SplashColor color0, color1; | |
883 | GfxColorComp r, g, b; | |
884 | ||
885 | if (reverseVideo) { | |
886 | gray = gfxColorComp1 - gray; | |
887 | r = gfxColorComp1 - rgb->r; | |
888 | g = gfxColorComp1 - rgb->g; | |
889 | b = gfxColorComp1 - rgb->b; | |
890 | } else { | |
891 | r = rgb->r; | |
892 | g = rgb->g; | |
893 | b = rgb->b; | |
894 | } | |
895 | ||
896 | pattern = NULL; // make gcc happy | |
897 | switch (colorMode) { | |
898 | case splashModeMono1: | |
899 | color0[0] = 0; | |
900 | color1[0] = 1; | |
901 | pattern = new SplashHalftone(color0, color1, | |
902 | splash->getScreen()->copy(), | |
903 | (SplashCoord)colToDbl(gray)); | |
904 | break; | |
905 | case splashModeMono8: | |
906 | color1[0] = colToByte(gray); | |
907 | pattern = new SplashSolidColor(color1); | |
908 | break; | |
909 | case splashModeAMono8: | |
910 | color1[0] = 255; | |
911 | color1[1] = colToByte(gray); | |
912 | pattern = new SplashSolidColor(color1); | |
913 | break; | |
914 | case splashModeRGB8: | |
915 | color1[0] = colToByte(r); | |
916 | color1[1] = colToByte(g); | |
917 | color1[2] = colToByte(b); | |
918 | pattern = new SplashSolidColor(color1); | |
919 | break; | |
920 | case splashModeBGR8: | |
921 | color1[2] = colToByte(r); | |
922 | color1[1] = colToByte(g); | |
923 | color1[0] = colToByte(b); | |
924 | pattern = new SplashSolidColor(color1); | |
925 | break; | |
926 | case splashModeARGB8: | |
927 | color1[0] = 255; | |
928 | color1[1] = colToByte(r); | |
929 | color1[2] = colToByte(g); | |
930 | color1[3] = colToByte(b); | |
931 | pattern = new SplashSolidColor(color1); | |
932 | break; | |
933 | case splashModeBGRA8: | |
934 | color1[3] = 255; | |
935 | color1[2] = colToByte(r); | |
936 | color1[1] = colToByte(g); | |
937 | color1[0] = colToByte(b); | |
938 | pattern = new SplashSolidColor(color1); | |
939 | break; | |
940 | #if SPLASH_CMYK | |
941 | case splashModeCMYK8: | |
942 | color1[0] = colToByte(cmyk->c); | |
943 | color1[1] = colToByte(cmyk->m); | |
944 | color1[2] = colToByte(cmyk->y); | |
945 | color1[3] = colToByte(cmyk->k); | |
946 | pattern = new SplashSolidColor(color1); | |
947 | break; | |
948 | case splashModeACMYK8: | |
949 | color1[0] = 255; | |
950 | color1[1] = colToByte(cmyk->c); | |
951 | color1[2] = colToByte(cmyk->m); | |
952 | color1[3] = colToByte(cmyk->y); | |
953 | color1[4] = colToByte(cmyk->k); | |
954 | pattern = new SplashSolidColor(color1); | |
955 | break; | |
956 | #endif | |
957 | } | |
958 | ||
959 | return pattern; | |
960 | } | |
961 | ||
962 | void SplashOutputDev::updateBlendMode(GfxState *state) { | |
963 | splash->setBlendFunc(splashOutBlendFuncs[state->getBlendMode()]); | |
964 | } | |
965 | ||
966 | void SplashOutputDev::updateFillOpacity(GfxState *state) { | |
967 | splash->setFillAlpha((SplashCoord)state->getFillOpacity()); | |
968 | } | |
969 | ||
970 | void SplashOutputDev::updateStrokeOpacity(GfxState *state) { | |
971 | splash->setStrokeAlpha((SplashCoord)state->getStrokeOpacity()); | |
972 | } | |
973 | ||
974 | void SplashOutputDev::updateFont(GfxState *state) { | |
975 | GfxFont *gfxFont; | |
976 | GfxFontType fontType; | |
977 | SplashOutFontFileID *id; | |
978 | SplashFontFile *fontFile; | |
979 | FoFiTrueType *ff; | |
980 | Ref embRef; | |
981 | Object refObj, strObj; | |
982 | GString *tmpFileName, *fileName, *substName; | |
983 | FILE *tmpFile; | |
984 | Gushort *codeToGID; | |
985 | DisplayFontParam *dfp; | |
986 | CharCodeToUnicode *ctu; | |
987 | double m11, m12, m21, m22, w1, w2; | |
988 | SplashCoord mat[4]; | |
989 | char *name; | |
990 | Unicode uBuf[8]; | |
991 | int c, substIdx, n, code, cmap; | |
992 | ||
993 | needFontUpdate = gFalse; | |
994 | font = NULL; | |
995 | tmpFileName = NULL; | |
996 | substIdx = -1; | |
997 | dfp = NULL; | |
998 | ||
999 | if (!(gfxFont = state->getFont())) { | |
1000 | goto err1; | |
1001 | } | |
1002 | fontType = gfxFont->getType(); | |
1003 | if (fontType == fontType3) { | |
1004 | goto err1; | |
1005 | } | |
1006 | ||
1007 | // check the font file cache | |
1008 | id = new SplashOutFontFileID(gfxFont->getID()); | |
1009 | if ((fontFile = fontEngine->getFontFile(id))) { | |
1010 | delete id; | |
1011 | ||
1012 | } else { | |
1013 | ||
1014 | // if there is an embedded font, write it to disk | |
1015 | if (gfxFont->getEmbeddedFontID(&embRef)) { | |
1016 | if (!openTempFile(&tmpFileName, &tmpFile, "wb", NULL)) { | |
1017 | error(-1, "Couldn't create temporary font file"); | |
1018 | goto err2; | |
1019 | } | |
1020 | refObj.initRef(embRef.num, embRef.gen); | |
1021 | refObj.fetch(xref, &strObj); | |
1022 | refObj.free(); | |
1023 | strObj.streamReset(); | |
1024 | while ((c = strObj.streamGetChar()) != EOF) { | |
1025 | fputc(c, tmpFile); | |
1026 | } | |
1027 | strObj.streamClose(); | |
1028 | strObj.free(); | |
1029 | fclose(tmpFile); | |
1030 | fileName = tmpFileName; | |
1031 | ||
1032 | // if there is an external font file, use it | |
1033 | } else if (!(fileName = gfxFont->getExtFontFile())) { | |
1034 | ||
1035 | // look for a display font mapping or a substitute font | |
1036 | if (gfxFont->isCIDFont()) { | |
1037 | if (((GfxCIDFont *)gfxFont)->getCollection()) { | |
1038 | dfp = globalParams-> | |
1039 | getDisplayCIDFont(gfxFont->getName(), | |
1040 | ((GfxCIDFont *)gfxFont)->getCollection()); | |
1041 | } | |
1042 | } else { | |
1043 | if (gfxFont->getName()) { | |
1044 | dfp = globalParams->getDisplayFont(gfxFont->getName()); | |
1045 | } | |
1046 | if (!dfp) { | |
1047 | // 8-bit font substitution | |
1048 | if (gfxFont->isFixedWidth()) { | |
1049 | substIdx = 8; | |
1050 | } else if (gfxFont->isSerif()) { | |
1051 | substIdx = 4; | |
1052 | } else { | |
1053 | substIdx = 0; | |
1054 | } | |
1055 | if (gfxFont->isBold()) { | |
1056 | substIdx += 2; | |
1057 | } | |
1058 | if (gfxFont->isItalic()) { | |
1059 | substIdx += 1; | |
1060 | } | |
1061 | substName = new GString(splashOutSubstFonts[substIdx].name); | |
1062 | dfp = globalParams->getDisplayFont(substName); | |
1063 | delete substName; | |
1064 | id->setSubstIdx(substIdx); | |
1065 | } | |
1066 | } | |
1067 | if (!dfp) { | |
1068 | error(-1, "Couldn't find a font for '%s'", | |
1069 | gfxFont->getName() ? gfxFont->getName()->getCString() | |
1070 | : "(unnamed)"); | |
1071 | goto err2; | |
1072 | } | |
1073 | switch (dfp->kind) { | |
1074 | case displayFontT1: | |
1075 | fileName = dfp->t1.fileName; | |
1076 | fontType = gfxFont->isCIDFont() ? fontCIDType0 : fontType1; | |
1077 | break; | |
1078 | case displayFontTT: | |
1079 | fileName = dfp->tt.fileName; | |
1080 | fontType = gfxFont->isCIDFont() ? fontCIDType2 : fontTrueType; | |
1081 | break; | |
1082 | } | |
1083 | } | |
1084 | ||
1085 | // load the font file | |
1086 | switch (fontType) { | |
1087 | case fontType1: | |
1088 | if (!(fontFile = fontEngine->loadType1Font( | |
1089 | id, | |
1090 | fileName->getCString(), | |
1091 | fileName == tmpFileName, | |
1092 | ((Gfx8BitFont *)gfxFont)->getEncoding()))) { | |
1093 | error(-1, "Couldn't create a font for '%s'", | |
1094 | gfxFont->getName() ? gfxFont->getName()->getCString() | |
1095 | : "(unnamed)"); | |
1096 | goto err2; | |
1097 | } | |
1098 | break; | |
1099 | case fontType1C: | |
1100 | if (!(fontFile = fontEngine->loadType1CFont( | |
1101 | id, | |
1102 | fileName->getCString(), | |
1103 | fileName == tmpFileName, | |
1104 | ((Gfx8BitFont *)gfxFont)->getEncoding()))) { | |
1105 | error(-1, "Couldn't create a font for '%s'", | |
1106 | gfxFont->getName() ? gfxFont->getName()->getCString() | |
1107 | : "(unnamed)"); | |
1108 | goto err2; | |
1109 | } | |
1110 | break; | |
1111 | case fontTrueType: | |
1112 | if ((ff = FoFiTrueType::load(fileName->getCString()))) { | |
1113 | codeToGID = ((Gfx8BitFont *)gfxFont)->getCodeToGIDMap(ff); | |
1114 | n = 256; | |
1115 | delete ff; | |
1116 | } else { | |
1117 | codeToGID = NULL; | |
1118 | n = 0; | |
1119 | } | |
1120 | if (!(fontFile = fontEngine->loadTrueTypeFont( | |
1121 | id, | |
1122 | fileName->getCString(), | |
1123 | fileName == tmpFileName, | |
1124 | codeToGID, n))) { | |
1125 | error(-1, "Couldn't create a font for '%s'", | |
1126 | gfxFont->getName() ? gfxFont->getName()->getCString() | |
1127 | : "(unnamed)"); | |
1128 | goto err2; | |
1129 | } | |
1130 | break; | |
1131 | case fontCIDType0: | |
1132 | case fontCIDType0C: | |
1133 | if (!(fontFile = fontEngine->loadCIDFont( | |
1134 | id, | |
1135 | fileName->getCString(), | |
1136 | fileName == tmpFileName))) { | |
1137 | error(-1, "Couldn't create a font for '%s'", | |
1138 | gfxFont->getName() ? gfxFont->getName()->getCString() | |
1139 | : "(unnamed)"); | |
1140 | goto err2; | |
1141 | } | |
1142 | break; | |
1143 | case fontCIDType2: | |
1144 | codeToGID = NULL; | |
1145 | n = 0; | |
1146 | if (dfp) { | |
1147 | // create a CID-to-GID mapping, via Unicode | |
1148 | if ((ctu = ((GfxCIDFont *)gfxFont)->getToUnicode())) { | |
1149 | if ((ff = FoFiTrueType::load(fileName->getCString()))) { | |
1150 | // look for a Unicode cmap | |
1151 | for (cmap = 0; cmap < ff->getNumCmaps(); ++cmap) { | |
1152 | if ((ff->getCmapPlatform(cmap) == 3 && | |
1153 | ff->getCmapEncoding(cmap) == 1) || | |
1154 | ff->getCmapPlatform(cmap) == 0) { | |
1155 | break; | |
1156 | } | |
1157 | } | |
1158 | if (cmap < ff->getNumCmaps()) { | |
1159 | // map CID -> Unicode -> GID | |
1160 | n = ctu->getLength(); | |
1161 | codeToGID = (Gushort *)gmallocn(n, sizeof(Gushort)); | |
1162 | for (code = 0; code < n; ++code) { | |
1163 | if (ctu->mapToUnicode(code, uBuf, 8) > 0) { | |
1164 | codeToGID[code] = ff->mapCodeToGID(cmap, uBuf[0]); | |
1165 | } else { | |
1166 | codeToGID[code] = 0; | |
1167 | } | |
1168 | } | |
1169 | } | |
1170 | delete ff; | |
1171 | } | |
1172 | ctu->decRefCnt(); | |
1173 | } else { | |
1174 | error(-1, "Couldn't find a mapping to Unicode for font '%s'", | |
1175 | gfxFont->getName() ? gfxFont->getName()->getCString() | |
1176 | : "(unnamed)"); | |
1177 | } | |
1178 | } else { | |
1179 | if (((GfxCIDFont *)gfxFont)->getCIDToGID()) { | |
1180 | n = ((GfxCIDFont *)gfxFont)->getCIDToGIDLen(); | |
1181 | codeToGID = (Gushort *)gmallocn(n, sizeof(Gushort)); | |
1182 | memcpy(codeToGID, ((GfxCIDFont *)gfxFont)->getCIDToGID(), | |
1183 | n * sizeof(Gushort)); | |
1184 | } | |
1185 | } | |
1186 | if (!(fontFile = fontEngine->loadTrueTypeFont( | |
1187 | id, | |
1188 | fileName->getCString(), | |
1189 | fileName == tmpFileName, | |
1190 | codeToGID, n))) { | |
1191 | error(-1, "Couldn't create a font for '%s'", | |
1192 | gfxFont->getName() ? gfxFont->getName()->getCString() | |
1193 | : "(unnamed)"); | |
1194 | goto err2; | |
1195 | } | |
1196 | break; | |
1197 | default: | |
1198 | // this shouldn't happen | |
1199 | goto err2; | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | // get the font matrix | |
1204 | state->getFontTransMat(&m11, &m12, &m21, &m22); | |
1205 | m11 *= state->getHorizScaling(); | |
1206 | m12 *= state->getHorizScaling(); | |
1207 | ||
1208 | // for substituted fonts: adjust the font matrix -- compare the | |
1209 | // width of 'm' in the original font and the substituted font | |
1210 | substIdx = ((SplashOutFontFileID *)fontFile->getID())->getSubstIdx(); | |
1211 | if (substIdx >= 0) { | |
1212 | for (code = 0; code < 256; ++code) { | |
1213 | if ((name = ((Gfx8BitFont *)gfxFont)->getCharName(code)) && | |
1214 | name[0] == 'm' && name[1] == '\0') { | |
1215 | break; | |
1216 | } | |
1217 | } | |
1218 | if (code < 256) { | |
1219 | w1 = ((Gfx8BitFont *)gfxFont)->getWidth(code); | |
1220 | w2 = splashOutSubstFonts[substIdx].mWidth; | |
1221 | if (!gfxFont->isSymbolic()) { | |
1222 | // if real font is substantially narrower than substituted | |
1223 | // font, reduce the font size accordingly | |
1224 | if (w1 > 0.01 && w1 < 0.9 * w2) { | |
1225 | w1 /= w2; | |
1226 | m11 *= w1; | |
1227 | m21 *= w1; | |
1228 | } | |
1229 | } | |
1230 | } | |
1231 | } | |
1232 | ||
1233 | // create the scaled font | |
1234 | mat[0] = m11; mat[1] = -m12; | |
1235 | mat[2] = m21; mat[3] = -m22; | |
1236 | if (fabs(mat[0] * mat[3] - mat[1] * mat[2]) < 0.01) { | |
1237 | // avoid a singular (or close-to-singular) matrix | |
1238 | mat[0] = 0.01; mat[1] = 0; | |
1239 | mat[2] = 0; mat[3] = 0.01; | |
1240 | } | |
1241 | font = fontEngine->getFont(fontFile, mat); | |
1242 | ||
1243 | if (tmpFileName) { | |
1244 | delete tmpFileName; | |
1245 | } | |
1246 | return; | |
1247 | ||
1248 | err2: | |
1249 | delete id; | |
1250 | err1: | |
1251 | if (tmpFileName) { | |
1252 | delete tmpFileName; | |
1253 | } | |
1254 | return; | |
1255 | } | |
1256 | ||
1257 | void SplashOutputDev::stroke(GfxState *state) { | |
1258 | SplashPath *path; | |
1259 | ||
1260 | path = convertPath(state, state->getPath()); | |
1261 | splash->stroke(path); | |
1262 | delete path; | |
1263 | } | |
1264 | ||
1265 | void SplashOutputDev::fill(GfxState *state) { | |
1266 | SplashPath *path; | |
1267 | ||
1268 | path = convertPath(state, state->getPath()); | |
1269 | splash->fill(path, gFalse); | |
1270 | delete path; | |
1271 | } | |
1272 | ||
1273 | void SplashOutputDev::eoFill(GfxState *state) { | |
1274 | SplashPath *path; | |
1275 | ||
1276 | path = convertPath(state, state->getPath()); | |
1277 | splash->fill(path, gTrue); | |
1278 | delete path; | |
1279 | } | |
1280 | ||
1281 | void SplashOutputDev::clip(GfxState *state) { | |
1282 | SplashPath *path; | |
1283 | ||
1284 | path = convertPath(state, state->getPath()); | |
1285 | splash->clipToPath(path, gFalse); | |
1286 | delete path; | |
1287 | } | |
1288 | ||
1289 | void SplashOutputDev::eoClip(GfxState *state) { | |
1290 | SplashPath *path; | |
1291 | ||
1292 | path = convertPath(state, state->getPath()); | |
1293 | splash->clipToPath(path, gTrue); | |
1294 | delete path; | |
1295 | } | |
1296 | ||
1297 | SplashPath *SplashOutputDev::convertPath(GfxState *state, GfxPath *path) { | |
1298 | SplashPath *sPath; | |
1299 | GfxSubpath *subpath; | |
1300 | double x1, y1, x2, y2, x3, y3; | |
1301 | int i, j; | |
1302 | ||
1303 | sPath = new SplashPath(); | |
1304 | for (i = 0; i < path->getNumSubpaths(); ++i) { | |
1305 | subpath = path->getSubpath(i); | |
1306 | if (subpath->getNumPoints() > 0) { | |
1307 | state->transform(subpath->getX(0), subpath->getY(0), &x1, &y1); | |
1308 | sPath->moveTo((SplashCoord)x1, (SplashCoord)y1); | |
1309 | j = 1; | |
1310 | while (j < subpath->getNumPoints()) { | |
1311 | if (subpath->getCurve(j)) { | |
1312 | state->transform(subpath->getX(j), subpath->getY(j), &x1, &y1); | |
1313 | state->transform(subpath->getX(j+1), subpath->getY(j+1), &x2, &y2); | |
1314 | state->transform(subpath->getX(j+2), subpath->getY(j+2), &x3, &y3); | |
1315 | sPath->curveTo((SplashCoord)x1, (SplashCoord)y1, | |
1316 | (SplashCoord)x2, (SplashCoord)y2, | |
1317 | (SplashCoord)x3, (SplashCoord)y3); | |
1318 | j += 3; | |
1319 | } else { | |
1320 | state->transform(subpath->getX(j), subpath->getY(j), &x1, &y1); | |
1321 | sPath->lineTo((SplashCoord)x1, (SplashCoord)y1); | |
1322 | ++j; | |
1323 | } | |
1324 | } | |
1325 | if (subpath->isClosed()) { | |
1326 | sPath->close(); | |
1327 | } | |
1328 | } | |
1329 | } | |
1330 | return sPath; | |
1331 | } | |
1332 | ||
1333 | void SplashOutputDev::drawChar(GfxState *state, double x, double y, | |
1334 | double dx, double dy, | |
1335 | double originX, double originY, | |
1336 | CharCode code, int nBytes, | |
1337 | Unicode *u, int uLen) { | |
1338 | double x1, y1; | |
1339 | SplashPath *path; | |
1340 | int render; | |
1341 | ||
1342 | if (needFontUpdate) { | |
1343 | updateFont(state); | |
1344 | } | |
1345 | if (!font) { | |
1346 | return; | |
1347 | } | |
1348 | ||
1349 | // check for invisible text -- this is used by Acrobat Capture | |
1350 | render = state->getRender(); | |
1351 | if (render == 3) { | |
1352 | return; | |
1353 | } | |
1354 | ||
1355 | x -= originX; | |
1356 | y -= originY; | |
1357 | state->transform(x, y, &x1, &y1); | |
1358 | ||
1359 | // fill | |
1360 | if (!(render & 1)) { | |
1361 | splash->fillChar((SplashCoord)x1, (SplashCoord)y1, code, font); | |
1362 | } | |
1363 | ||
1364 | // stroke | |
1365 | if ((render & 3) == 1 || (render & 3) == 2) { | |
1366 | if ((path = font->getGlyphPath(code))) { | |
1367 | path->offset((SplashCoord)x1, (SplashCoord)y1); | |
1368 | splash->stroke(path); | |
1369 | delete path; | |
1370 | } | |
1371 | } | |
1372 | ||
1373 | // clip | |
1374 | if (render & 4) { | |
1375 | path = font->getGlyphPath(code); | |
1376 | path->offset((SplashCoord)x1, (SplashCoord)y1); | |
1377 | if (textClipPath) { | |
1378 | textClipPath->append(path); | |
1379 | delete path; | |
1380 | } else { | |
1381 | textClipPath = path; | |
1382 | } | |
1383 | } | |
1384 | } | |
1385 | ||
1386 | GBool SplashOutputDev::beginType3Char(GfxState *state, double x, double y, | |
1387 | double dx, double dy, | |
1388 | CharCode code, Unicode *u, int uLen) { | |
1389 | GfxFont *gfxFont; | |
1390 | Ref *fontID; | |
1391 | double *ctm, *bbox; | |
1392 | T3FontCache *t3Font; | |
1393 | T3GlyphStack *t3gs; | |
1394 | double x1, y1, xMin, yMin, xMax, yMax, xt, yt; | |
1395 | int i, j; | |
1396 | ||
1397 | if (!(gfxFont = state->getFont())) { | |
1398 | return gFalse; | |
1399 | } | |
1400 | fontID = gfxFont->getID(); | |
1401 | ctm = state->getCTM(); | |
1402 | state->transform(0, 0, &xt, &yt); | |
1403 | ||
1404 | // is it the first (MRU) font in the cache? | |
1405 | if (!(nT3Fonts > 0 && | |
1406 | t3FontCache[0]->matches(fontID, ctm[0], ctm[1], ctm[2], ctm[3]))) { | |
1407 | ||
1408 | // is the font elsewhere in the cache? | |
1409 | for (i = 1; i < nT3Fonts; ++i) { | |
1410 | if (t3FontCache[i]->matches(fontID, ctm[0], ctm[1], ctm[2], ctm[3])) { | |
1411 | t3Font = t3FontCache[i]; | |
1412 | for (j = i; j > 0; --j) { | |
1413 | t3FontCache[j] = t3FontCache[j - 1]; | |
1414 | } | |
1415 | t3FontCache[0] = t3Font; | |
1416 | break; | |
1417 | } | |
1418 | } | |
1419 | if (i >= nT3Fonts) { | |
1420 | ||
1421 | // create new entry in the font cache | |
1422 | if (nT3Fonts == splashOutT3FontCacheSize) { | |
1423 | delete t3FontCache[nT3Fonts - 1]; | |
1424 | --nT3Fonts; | |
1425 | } | |
1426 | for (j = nT3Fonts; j > 0; --j) { | |
1427 | t3FontCache[j] = t3FontCache[j - 1]; | |
1428 | } | |
1429 | ++nT3Fonts; | |
1430 | bbox = gfxFont->getFontBBox(); | |
1431 | if (bbox[0] == 0 && bbox[1] == 0 && bbox[2] == 0 && bbox[3] == 0) { | |
1432 | // broken bounding box -- just take a guess | |
1433 | xMin = xt - 5; | |
1434 | xMax = xMin + 30; | |
1435 | yMax = yt + 15; | |
1436 | yMin = yMax - 45; | |
1437 | } else { | |
1438 | state->transform(bbox[0], bbox[1], &x1, &y1); | |
1439 | xMin = xMax = x1; | |
1440 | yMin = yMax = y1; | |
1441 | state->transform(bbox[0], bbox[3], &x1, &y1); | |
1442 | if (x1 < xMin) { | |
1443 | xMin = x1; | |
1444 | } else if (x1 > xMax) { | |
1445 | xMax = x1; | |
1446 | } | |
1447 | if (y1 < yMin) { | |
1448 | yMin = y1; | |
1449 | } else if (y1 > yMax) { | |
1450 | yMax = y1; | |
1451 | } | |
1452 | state->transform(bbox[2], bbox[1], &x1, &y1); | |
1453 | if (x1 < xMin) { | |
1454 | xMin = x1; | |
1455 | } else if (x1 > xMax) { | |
1456 | xMax = x1; | |
1457 | } | |
1458 | if (y1 < yMin) { | |
1459 | yMin = y1; | |
1460 | } else if (y1 > yMax) { | |
1461 | yMax = y1; | |
1462 | } | |
1463 | state->transform(bbox[2], bbox[3], &x1, &y1); | |
1464 | if (x1 < xMin) { | |
1465 | xMin = x1; | |
1466 | } else if (x1 > xMax) { | |
1467 | xMax = x1; | |
1468 | } | |
1469 | if (y1 < yMin) { | |
1470 | yMin = y1; | |
1471 | } else if (y1 > yMax) { | |
1472 | yMax = y1; | |
1473 | } | |
1474 | } | |
1475 | t3FontCache[0] = new T3FontCache(fontID, ctm[0], ctm[1], ctm[2], ctm[3], | |
1476 | (int)floor(xMin - xt), | |
1477 | (int)floor(yMin - yt), | |
1478 | (int)ceil(xMax) - (int)floor(xMin) + 3, | |
1479 | (int)ceil(yMax) - (int)floor(yMin) + 3, | |
1480 | colorMode != splashModeMono1); | |
1481 | } | |
1482 | } | |
1483 | t3Font = t3FontCache[0]; | |
1484 | ||
1485 | // is the glyph in the cache? | |
1486 | i = (code & (t3Font->cacheSets - 1)) * t3Font->cacheAssoc; | |
1487 | for (j = 0; j < t3Font->cacheAssoc; ++j) { | |
1488 | if ((t3Font->cacheTags[i+j].mru & 0x8000) && | |
1489 | t3Font->cacheTags[i+j].code == code) { | |
1490 | drawType3Glyph(t3Font, &t3Font->cacheTags[i+j], | |
1491 | t3Font->cacheData + (i+j) * t3Font->glyphSize, | |
1492 | xt, yt); | |
1493 | return gTrue; | |
1494 | } | |
1495 | } | |
1496 | ||
1497 | // push a new Type 3 glyph record | |
1498 | t3gs = new T3GlyphStack(); | |
1499 | t3gs->next = t3GlyphStack; | |
1500 | t3GlyphStack = t3gs; | |
1501 | t3GlyphStack->code = code; | |
1502 | t3GlyphStack->x = xt; | |
1503 | t3GlyphStack->y = yt; | |
1504 | t3GlyphStack->cache = t3Font; | |
1505 | t3GlyphStack->cacheTag = NULL; | |
1506 | t3GlyphStack->cacheData = NULL; | |
1507 | ||
1508 | return gFalse; | |
1509 | } | |
1510 | ||
1511 | void SplashOutputDev::endType3Char(GfxState *state) { | |
1512 | T3GlyphStack *t3gs; | |
1513 | double *ctm; | |
1514 | ||
1515 | if (t3GlyphStack->cacheTag) { | |
1516 | memcpy(t3GlyphStack->cacheData, bitmap->getDataPtr(), | |
1517 | t3GlyphStack->cache->glyphSize); | |
1518 | delete bitmap; | |
1519 | delete splash; | |
1520 | bitmap = t3GlyphStack->origBitmap; | |
1521 | splash = t3GlyphStack->origSplash; | |
1522 | ctm = state->getCTM(); | |
1523 | state->setCTM(ctm[0], ctm[1], ctm[2], ctm[3], | |
1524 | t3GlyphStack->origCTM4, t3GlyphStack->origCTM5); | |
1525 | drawType3Glyph(t3GlyphStack->cache, | |
1526 | t3GlyphStack->cacheTag, t3GlyphStack->cacheData, | |
1527 | t3GlyphStack->x, t3GlyphStack->y); | |
1528 | } | |
1529 | t3gs = t3GlyphStack; | |
1530 | t3GlyphStack = t3gs->next; | |
1531 | delete t3gs; | |
1532 | } | |
1533 | ||
1534 | void SplashOutputDev::type3D0(GfxState *state, double wx, double wy) { | |
1535 | } | |
1536 | ||
1537 | void SplashOutputDev::type3D1(GfxState *state, double wx, double wy, | |
1538 | double llx, double lly, double urx, double ury) { | |
1539 | double *ctm; | |
1540 | T3FontCache *t3Font; | |
1541 | SplashColor color; | |
1542 | double xt, yt, xMin, xMax, yMin, yMax, x1, y1; | |
1543 | int i, j; | |
1544 | ||
1545 | t3Font = t3GlyphStack->cache; | |
1546 | ||
1547 | // check for a valid bbox | |
1548 | state->transform(0, 0, &xt, &yt); | |
1549 | state->transform(llx, lly, &x1, &y1); | |
1550 | xMin = xMax = x1; | |
1551 | yMin = yMax = y1; | |
1552 | state->transform(llx, ury, &x1, &y1); | |
1553 | if (x1 < xMin) { | |
1554 | xMin = x1; | |
1555 | } else if (x1 > xMax) { | |
1556 | xMax = x1; | |
1557 | } | |
1558 | if (y1 < yMin) { | |
1559 | yMin = y1; | |
1560 | } else if (y1 > yMax) { | |
1561 | yMax = y1; | |
1562 | } | |
1563 | state->transform(urx, lly, &x1, &y1); | |
1564 | if (x1 < xMin) { | |
1565 | xMin = x1; | |
1566 | } else if (x1 > xMax) { | |
1567 | xMax = x1; | |
1568 | } | |
1569 | if (y1 < yMin) { | |
1570 | yMin = y1; | |
1571 | } else if (y1 > yMax) { | |
1572 | yMax = y1; | |
1573 | } | |
1574 | state->transform(urx, ury, &x1, &y1); | |
1575 | if (x1 < xMin) { | |
1576 | xMin = x1; | |
1577 | } else if (x1 > xMax) { | |
1578 | xMax = x1; | |
1579 | } | |
1580 | if (y1 < yMin) { | |
1581 | yMin = y1; | |
1582 | } else if (y1 > yMax) { | |
1583 | yMax = y1; | |
1584 | } | |
1585 | if (xMin - xt < t3Font->glyphX || | |
1586 | yMin - yt < t3Font->glyphY || | |
1587 | xMax - xt > t3Font->glyphX + t3Font->glyphW || | |
1588 | yMax - yt > t3Font->glyphY + t3Font->glyphH) { | |
1589 | error(-1, "Bad bounding box in Type 3 glyph"); | |
1590 | return; | |
1591 | } | |
1592 | ||
1593 | // allocate a cache entry | |
1594 | i = (t3GlyphStack->code & (t3Font->cacheSets - 1)) * t3Font->cacheAssoc; | |
1595 | for (j = 0; j < t3Font->cacheAssoc; ++j) { | |
1596 | if ((t3Font->cacheTags[i+j].mru & 0x7fff) == t3Font->cacheAssoc - 1) { | |
1597 | t3Font->cacheTags[i+j].mru = 0x8000; | |
1598 | t3Font->cacheTags[i+j].code = t3GlyphStack->code; | |
1599 | t3GlyphStack->cacheTag = &t3Font->cacheTags[i+j]; | |
1600 | t3GlyphStack->cacheData = t3Font->cacheData + (i+j) * t3Font->glyphSize; | |
1601 | } else { | |
1602 | ++t3Font->cacheTags[i+j].mru; | |
1603 | } | |
1604 | } | |
1605 | ||
1606 | // save state | |
1607 | t3GlyphStack->origBitmap = bitmap; | |
1608 | t3GlyphStack->origSplash = splash; | |
1609 | ctm = state->getCTM(); | |
1610 | t3GlyphStack->origCTM4 = ctm[4]; | |
1611 | t3GlyphStack->origCTM5 = ctm[5]; | |
1612 | ||
1613 | // create the temporary bitmap | |
1614 | if (colorMode == splashModeMono1) { | |
1615 | bitmap = new SplashBitmap(t3Font->glyphW, t3Font->glyphH, 1, | |
1616 | splashModeMono1); | |
1617 | splash = new Splash(bitmap); | |
1618 | color[0] = 0; | |
1619 | splash->clear(color); | |
1620 | color[0] = 1; | |
1621 | } else { | |
1622 | bitmap = new SplashBitmap(t3Font->glyphW, t3Font->glyphH, 1, | |
1623 | splashModeMono8); | |
1624 | splash = new Splash(bitmap); | |
1625 | color[0] = 0x00; | |
1626 | splash->clear(color); | |
1627 | color[0] = 0xff; | |
1628 | } | |
1629 | splash->setFillPattern(new SplashSolidColor(color)); | |
1630 | splash->setStrokePattern(new SplashSolidColor(color)); | |
1631 | //~ this should copy other state from t3GlyphStack->origSplash? | |
1632 | state->setCTM(ctm[0], ctm[1], ctm[2], ctm[3], | |
1633 | -t3Font->glyphX, -t3Font->glyphY); | |
1634 | } | |
1635 | ||
1636 | void SplashOutputDev::drawType3Glyph(T3FontCache *t3Font, | |
1637 | T3FontCacheTag *tag, Guchar *data, | |
1638 | double x, double y) { | |
1639 | SplashGlyphBitmap glyph; | |
1640 | ||
1641 | glyph.x = -t3Font->glyphX; | |
1642 | glyph.y = -t3Font->glyphY; | |
1643 | glyph.w = t3Font->glyphW; | |
1644 | glyph.h = t3Font->glyphH; | |
1645 | glyph.aa = colorMode != splashModeMono1; | |
1646 | glyph.data = data; | |
1647 | glyph.freeData = gFalse; | |
1648 | splash->fillGlyph((SplashCoord)x, (SplashCoord)y, &glyph); | |
1649 | } | |
1650 | ||
1651 | void SplashOutputDev::endTextObject(GfxState *state) { | |
1652 | if (textClipPath) { | |
1653 | splash->clipToPath(textClipPath, gFalse); | |
1654 | delete textClipPath; | |
1655 | textClipPath = NULL; | |
1656 | } | |
1657 | } | |
1658 | ||
1659 | struct SplashOutImageMaskData { | |
1660 | ImageStream *imgStr; | |
1661 | GBool invert; | |
1662 | int width, height, y; | |
1663 | }; | |
1664 | ||
1665 | GBool SplashOutputDev::imageMaskSrc(void *data, SplashColorPtr line) { | |
1666 | SplashOutImageMaskData *imgMaskData = (SplashOutImageMaskData *)data; | |
1667 | Guchar *p; | |
1668 | SplashColorPtr q; | |
1669 | int x; | |
1670 | ||
1671 | if (imgMaskData->y == imgMaskData->height) { | |
1672 | return gFalse; | |
1673 | } | |
1674 | for (x = 0, p = imgMaskData->imgStr->getLine(), q = line; | |
1675 | x < imgMaskData->width; | |
1676 | ++x) { | |
1677 | *q++ = *p++ ^ imgMaskData->invert; | |
1678 | } | |
1679 | ++imgMaskData->y; | |
1680 | return gTrue; | |
1681 | } | |
1682 | ||
1683 | void SplashOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str, | |
1684 | int width, int height, GBool invert, | |
1685 | GBool inlineImg) { | |
1686 | double *ctm; | |
1687 | SplashCoord mat[6]; | |
1688 | SplashOutImageMaskData imgMaskData; | |
1689 | ||
1690 | ctm = state->getCTM(); | |
1691 | mat[0] = ctm[0]; | |
1692 | mat[1] = ctm[1]; | |
1693 | mat[2] = -ctm[2]; | |
1694 | mat[3] = -ctm[3]; | |
1695 | mat[4] = ctm[2] + ctm[4]; | |
1696 | mat[5] = ctm[3] + ctm[5]; | |
1697 | ||
1698 | imgMaskData.imgStr = new ImageStream(str, width, 1, 1); | |
1699 | imgMaskData.imgStr->reset(); | |
1700 | imgMaskData.invert = invert ? 0 : 1; | |
1701 | imgMaskData.width = width; | |
1702 | imgMaskData.height = height; | |
1703 | imgMaskData.y = 0; | |
1704 | ||
1705 | splash->fillImageMask(&imageMaskSrc, &imgMaskData, width, height, mat); | |
1706 | if (inlineImg) { | |
1707 | while (imgMaskData.y < height) { | |
1708 | imgMaskData.imgStr->getLine(); | |
1709 | ++imgMaskData.y; | |
1710 | } | |
1711 | } | |
1712 | ||
1713 | delete imgMaskData.imgStr; | |
1714 | str->close(); | |
1715 | } | |
1716 | ||
1717 | struct SplashOutImageData { | |
1718 | ImageStream *imgStr; | |
1719 | GfxImageColorMap *colorMap; | |
1720 | SplashColorPtr lookup; | |
1721 | int *maskColors; | |
1722 | SplashColorMode colorMode; | |
1723 | int width, height, y; | |
1724 | }; | |
1725 | ||
1726 | GBool SplashOutputDev::imageSrc(void *data, SplashColorPtr line) { | |
1727 | SplashOutImageData *imgData = (SplashOutImageData *)data; | |
1728 | Guchar *p; | |
1729 | SplashColorPtr q, col; | |
1730 | GfxRGB rgb; | |
1731 | GfxGray gray; | |
1732 | #if SPLASH_CMYK | |
1733 | GfxCMYK cmyk; | |
1734 | #endif | |
1735 | int nComps, x; | |
1736 | ||
1737 | if (imgData->y == imgData->height) { | |
1738 | return gFalse; | |
1739 | } | |
1740 | ||
1741 | nComps = imgData->colorMap->getNumPixelComps(); | |
1742 | ||
1743 | if (imgData->lookup) { | |
1744 | switch (imgData->colorMode) { | |
1745 | case splashModeMono1: | |
1746 | case splashModeMono8: | |
1747 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
1748 | x < imgData->width; | |
1749 | ++x, ++p) { | |
1750 | *q++ = imgData->lookup[*p]; | |
1751 | } | |
1752 | break; | |
1753 | case splashModeRGB8: | |
1754 | case splashModeBGR8: | |
1755 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
1756 | x < imgData->width; | |
1757 | ++x, ++p) { | |
1758 | col = &imgData->lookup[3 * *p]; | |
1759 | *q++ = col[0]; | |
1760 | *q++ = col[1]; | |
1761 | *q++ = col[2]; | |
1762 | } | |
1763 | break; | |
1764 | #if SPLASH_CMYK | |
1765 | case splashModeCMYK8: | |
1766 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
1767 | x < imgData->width; | |
1768 | ++x, ++p) { | |
1769 | col = &imgData->lookup[4 * *p]; | |
1770 | *q++ = col[0]; | |
1771 | *q++ = col[1]; | |
1772 | *q++ = col[2]; | |
1773 | *q++ = col[3]; | |
1774 | } | |
1775 | break; | |
1776 | #endif | |
1777 | case splashModeAMono8: | |
1778 | case splashModeARGB8: | |
1779 | case splashModeBGRA8: | |
1780 | #if SPLASH_CMYK | |
1781 | case splashModeACMYK8: | |
1782 | #endif | |
1783 | //~ unimplemented | |
1784 | break; | |
1785 | } | |
1786 | } else { | |
1787 | switch (imgData->colorMode) { | |
1788 | case splashModeMono1: | |
1789 | case splashModeMono8: | |
1790 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
1791 | x < imgData->width; | |
1792 | ++x, p += nComps) { | |
1793 | imgData->colorMap->getGray(p, &gray); | |
1794 | *q++ = colToByte(gray); | |
1795 | } | |
1796 | break; | |
1797 | case splashModeRGB8: | |
1798 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
1799 | x < imgData->width; | |
1800 | ++x, p += nComps) { | |
1801 | imgData->colorMap->getRGB(p, &rgb); | |
1802 | *q++ = colToByte(rgb.r); | |
1803 | *q++ = colToByte(rgb.g); | |
1804 | *q++ = colToByte(rgb.b); | |
1805 | } | |
1806 | break; | |
1807 | case splashModeBGR8: | |
1808 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
1809 | x < imgData->width; | |
1810 | ++x, p += nComps) { | |
1811 | imgData->colorMap->getRGB(p, &rgb); | |
1812 | *q++ = colToByte(rgb.b); | |
1813 | *q++ = colToByte(rgb.g); | |
1814 | *q++ = colToByte(rgb.r); | |
1815 | } | |
1816 | break; | |
1817 | #if SPLASH_CMYK | |
1818 | case splashModeCMYK8: | |
1819 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
1820 | x < imgData->width; | |
1821 | ++x, p += nComps) { | |
1822 | imgData->colorMap->getCMYK(p, &cmyk); | |
1823 | *q++ = colToByte(cmyk.c); | |
1824 | *q++ = colToByte(cmyk.m); | |
1825 | *q++ = colToByte(cmyk.y); | |
1826 | *q++ = colToByte(cmyk.k); | |
1827 | } | |
1828 | break; | |
1829 | #endif | |
1830 | case splashModeAMono8: | |
1831 | case splashModeARGB8: | |
1832 | case splashModeBGRA8: | |
1833 | #if SPLASH_CMYK | |
1834 | case splashModeACMYK8: | |
1835 | #endif | |
1836 | //~ unimplemented | |
1837 | break; | |
1838 | } | |
1839 | } | |
1840 | ||
1841 | ++imgData->y; | |
1842 | return gTrue; | |
1843 | } | |
1844 | ||
1845 | GBool SplashOutputDev::alphaImageSrc(void *data, SplashColorPtr line) { | |
1846 | SplashOutImageData *imgData = (SplashOutImageData *)data; | |
1847 | Guchar *p; | |
1848 | SplashColorPtr q, col; | |
1849 | GfxRGB rgb; | |
1850 | GfxGray gray; | |
1851 | #if SPLASH_CMYK | |
1852 | GfxCMYK cmyk; | |
1853 | #endif | |
1854 | Guchar alpha; | |
1855 | int nComps, x, i; | |
1856 | ||
1857 | if (imgData->y == imgData->height) { | |
1858 | return gFalse; | |
1859 | } | |
1860 | ||
1861 | nComps = imgData->colorMap->getNumPixelComps(); | |
1862 | ||
1863 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
1864 | x < imgData->width; | |
1865 | ++x, p += nComps) { | |
1866 | alpha = 0; | |
1867 | for (i = 0; i < nComps; ++i) { | |
1868 | if (p[i] < imgData->maskColors[2*i] || | |
1869 | p[i] > imgData->maskColors[2*i+1]) { | |
1870 | alpha = 0xff; | |
1871 | break; | |
1872 | } | |
1873 | } | |
1874 | if (imgData->lookup) { | |
1875 | switch (imgData->colorMode) { | |
1876 | case splashModeMono1: | |
1877 | case splashModeMono8: | |
1878 | *q++ = alpha; | |
1879 | *q++ = imgData->lookup[*p]; | |
1880 | break; | |
1881 | case splashModeRGB8: | |
1882 | *q++ = alpha; | |
1883 | col = &imgData->lookup[3 * *p]; | |
1884 | *q++ = col[0]; | |
1885 | *q++ = col[1]; | |
1886 | *q++ = col[2]; | |
1887 | break; | |
1888 | case splashModeBGR8: | |
1889 | col = &imgData->lookup[3 * *p]; | |
1890 | *q++ = col[0]; | |
1891 | *q++ = col[1]; | |
1892 | *q++ = col[2]; | |
1893 | *q++ = alpha; | |
1894 | break; | |
1895 | #if SPLASH_CMYK | |
1896 | case splashModeCMYK8: | |
1897 | *q++ = alpha; | |
1898 | col = &imgData->lookup[4 * *p]; | |
1899 | *q++ = col[0]; | |
1900 | *q++ = col[1]; | |
1901 | *q++ = col[2]; | |
1902 | *q++ = col[3]; | |
1903 | break; | |
1904 | #endif | |
1905 | case splashModeAMono8: | |
1906 | case splashModeARGB8: | |
1907 | case splashModeBGRA8: | |
1908 | #if SPLASH_CMYK | |
1909 | case splashModeACMYK8: | |
1910 | #endif | |
1911 | //~ unimplemented | |
1912 | break; | |
1913 | } | |
1914 | } else { | |
1915 | switch (imgData->colorMode) { | |
1916 | case splashModeMono1: | |
1917 | case splashModeMono8: | |
1918 | imgData->colorMap->getGray(p, &gray); | |
1919 | *q++ = alpha; | |
1920 | *q++ = colToByte(gray); | |
1921 | break; | |
1922 | case splashModeRGB8: | |
1923 | imgData->colorMap->getRGB(p, &rgb); | |
1924 | *q++ = alpha; | |
1925 | *q++ = colToByte(rgb.r); | |
1926 | *q++ = colToByte(rgb.g); | |
1927 | *q++ = colToByte(rgb.b); | |
1928 | break; | |
1929 | case splashModeBGR8: | |
1930 | imgData->colorMap->getRGB(p, &rgb); | |
1931 | *q++ = colToByte(rgb.b); | |
1932 | *q++ = colToByte(rgb.g); | |
1933 | *q++ = colToByte(rgb.r); | |
1934 | *q++ = alpha; | |
1935 | break; | |
1936 | #if SPLASH_CMYK | |
1937 | case splashModeCMYK8: | |
1938 | imgData->colorMap->getCMYK(p, &cmyk); | |
1939 | *q++ = alpha; | |
1940 | *q++ = colToByte(cmyk.c); | |
1941 | *q++ = colToByte(cmyk.m); | |
1942 | *q++ = colToByte(cmyk.y); | |
1943 | *q++ = colToByte(cmyk.k); | |
1944 | break; | |
1945 | #endif | |
1946 | case splashModeAMono8: | |
1947 | case splashModeARGB8: | |
1948 | case splashModeBGRA8: | |
1949 | #if SPLASH_CMYK | |
1950 | case splashModeACMYK8: | |
1951 | #endif | |
1952 | //~ unimplemented | |
1953 | break; | |
1954 | } | |
1955 | } | |
1956 | } | |
1957 | ||
1958 | ++imgData->y; | |
1959 | return gTrue; | |
1960 | } | |
1961 | ||
1962 | void SplashOutputDev::drawImage(GfxState *state, Object *ref, Stream *str, | |
1963 | int width, int height, | |
1964 | GfxImageColorMap *colorMap, | |
1965 | int *maskColors, GBool inlineImg) { | |
1966 | double *ctm; | |
1967 | SplashCoord mat[6]; | |
1968 | SplashOutImageData imgData; | |
1969 | SplashColorMode srcMode; | |
1970 | SplashImageSource src; | |
1971 | GfxGray gray; | |
1972 | GfxRGB rgb; | |
1973 | #if SPLASH_CMYK | |
1974 | GfxCMYK cmyk; | |
1975 | #endif | |
1976 | Guchar pix; | |
1977 | int n, i; | |
1978 | ||
1979 | ctm = state->getCTM(); | |
1980 | mat[0] = ctm[0]; | |
1981 | mat[1] = ctm[1]; | |
1982 | mat[2] = -ctm[2]; | |
1983 | mat[3] = -ctm[3]; | |
1984 | mat[4] = ctm[2] + ctm[4]; | |
1985 | mat[5] = ctm[3] + ctm[5]; | |
1986 | ||
1987 | imgData.imgStr = new ImageStream(str, width, | |
1988 | colorMap->getNumPixelComps(), | |
1989 | colorMap->getBits()); | |
1990 | imgData.imgStr->reset(); | |
1991 | imgData.colorMap = colorMap; | |
1992 | imgData.maskColors = maskColors; | |
1993 | imgData.colorMode = colorMode; | |
1994 | imgData.width = width; | |
1995 | imgData.height = height; | |
1996 | imgData.y = 0; | |
1997 | ||
1998 | // special case for one-channel (monochrome/gray/separation) images: | |
1999 | // build a lookup table here | |
2000 | imgData.lookup = NULL; | |
2001 | if (colorMap->getNumPixelComps() == 1) { | |
2002 | n = 1 << colorMap->getBits(); | |
2003 | switch (colorMode) { | |
2004 | case splashModeMono1: | |
2005 | case splashModeMono8: | |
2006 | imgData.lookup = (SplashColorPtr)gmalloc(n); | |
2007 | for (i = 0; i < n; ++i) { | |
2008 | pix = (Guchar)i; | |
2009 | colorMap->getGray(&pix, &gray); | |
2010 | imgData.lookup[i] = colToByte(gray); | |
2011 | } | |
2012 | break; | |
2013 | case splashModeRGB8: | |
2014 | imgData.lookup = (SplashColorPtr)gmalloc(3 * n); | |
2015 | for (i = 0; i < n; ++i) { | |
2016 | pix = (Guchar)i; | |
2017 | colorMap->getRGB(&pix, &rgb); | |
2018 | imgData.lookup[3*i] = colToByte(rgb.r); | |
2019 | imgData.lookup[3*i+1] = colToByte(rgb.g); | |
2020 | imgData.lookup[3*i+2] = colToByte(rgb.b); | |
2021 | } | |
2022 | break; | |
2023 | case splashModeBGR8: | |
2024 | imgData.lookup = (SplashColorPtr)gmalloc(3 * n); | |
2025 | for (i = 0; i < n; ++i) { | |
2026 | pix = (Guchar)i; | |
2027 | colorMap->getRGB(&pix, &rgb); | |
2028 | imgData.lookup[3*i] = colToByte(rgb.b); | |
2029 | imgData.lookup[3*i+1] = colToByte(rgb.g); | |
2030 | imgData.lookup[3*i+2] = colToByte(rgb.r); | |
2031 | } | |
2032 | break; | |
2033 | #if SPLASH_CMYK | |
2034 | case splashModeCMYK8: | |
2035 | imgData.lookup = (SplashColorPtr)gmalloc(4 * n); | |
2036 | for (i = 0; i < n; ++i) { | |
2037 | pix = (Guchar)i; | |
2038 | colorMap->getCMYK(&pix, &cmyk); | |
2039 | imgData.lookup[4*i] = colToByte(cmyk.c); | |
2040 | imgData.lookup[4*i+1] = colToByte(cmyk.m); | |
2041 | imgData.lookup[4*i+2] = colToByte(cmyk.y); | |
2042 | imgData.lookup[4*i+3] = colToByte(cmyk.k); | |
2043 | } | |
2044 | break; | |
2045 | #endif | |
2046 | default: | |
2047 | //~ unimplemented | |
2048 | break; | |
2049 | } | |
2050 | } | |
2051 | ||
2052 | switch (colorMode) { | |
2053 | case splashModeMono1: | |
2054 | case splashModeMono8: | |
2055 | srcMode = maskColors ? splashModeAMono8 : splashModeMono8; | |
2056 | break; | |
2057 | case splashModeRGB8: | |
2058 | srcMode = maskColors ? splashModeARGB8 : splashModeRGB8; | |
2059 | break; | |
2060 | case splashModeBGR8: | |
2061 | srcMode = maskColors ? splashModeBGRA8 : splashModeBGR8; | |
2062 | break; | |
2063 | #if SPLASH_CMYK | |
2064 | case splashModeCMYK8: | |
2065 | srcMode = maskColors ? splashModeACMYK8 : splashModeCMYK8; | |
2066 | break; | |
2067 | #endif | |
2068 | default: | |
2069 | //~ unimplemented | |
2070 | srcMode = splashModeRGB8; | |
2071 | break; | |
2072 | } | |
2073 | src = maskColors ? &alphaImageSrc : &imageSrc; | |
2074 | splash->drawImage(src, &imgData, srcMode, width, height, mat); | |
2075 | if (inlineImg) { | |
2076 | while (imgData.y < height) { | |
2077 | imgData.imgStr->getLine(); | |
2078 | ++imgData.y; | |
2079 | } | |
2080 | } | |
2081 | ||
2082 | gfree(imgData.lookup); | |
2083 | delete imgData.imgStr; | |
2084 | str->close(); | |
2085 | } | |
2086 | ||
2087 | struct SplashOutMaskedImageData { | |
2088 | ImageStream *imgStr; | |
2089 | GfxImageColorMap *colorMap; | |
2090 | SplashBitmap *mask; | |
2091 | SplashColorPtr lookup; | |
2092 | SplashColorMode colorMode; | |
2093 | int width, height, y; | |
2094 | }; | |
2095 | ||
2096 | GBool SplashOutputDev::maskedImageSrc(void *data, SplashColorPtr line) { | |
2097 | SplashOutMaskedImageData *imgData = (SplashOutMaskedImageData *)data; | |
2098 | Guchar *p; | |
2099 | SplashColor maskColor; | |
2100 | SplashColorPtr q, col; | |
2101 | GfxRGB rgb; | |
2102 | GfxGray gray; | |
2103 | #if SPLASH_CMYK | |
2104 | GfxCMYK cmyk; | |
2105 | #endif | |
2106 | Guchar alpha; | |
2107 | int nComps, x; | |
2108 | ||
2109 | if (imgData->y == imgData->height) { | |
2110 | return gFalse; | |
2111 | } | |
2112 | ||
2113 | nComps = imgData->colorMap->getNumPixelComps(); | |
2114 | ||
2115 | for (x = 0, p = imgData->imgStr->getLine(), q = line; | |
2116 | x < imgData->width; | |
2117 | ++x, p += nComps) { | |
2118 | imgData->mask->getPixel(x, imgData->y, maskColor); | |
2119 | alpha = maskColor[0] ? 0xff : 0x00; | |
2120 | if (imgData->lookup) { | |
2121 | switch (imgData->colorMode) { | |
2122 | case splashModeMono1: | |
2123 | case splashModeMono8: | |
2124 | *q++ = alpha; | |
2125 | *q++ = imgData->lookup[*p]; | |
2126 | break; | |
2127 | case splashModeRGB8: | |
2128 | *q++ = alpha; | |
2129 | col = &imgData->lookup[3 * *p]; | |
2130 | *q++ = col[0]; | |
2131 | *q++ = col[1]; | |
2132 | *q++ = col[2]; | |
2133 | break; | |
2134 | case splashModeBGR8: | |
2135 | col = &imgData->lookup[3 * *p]; | |
2136 | *q++ = col[0]; | |
2137 | *q++ = col[1]; | |
2138 | *q++ = col[2]; | |
2139 | *q++ = alpha; | |
2140 | break; | |
2141 | #if SPLASH_CMYK | |
2142 | case splashModeCMYK8: | |
2143 | *q++ = alpha; | |
2144 | col = &imgData->lookup[4 * *p]; | |
2145 | *q++ = col[0]; | |
2146 | *q++ = col[1]; | |
2147 | *q++ = col[2]; | |
2148 | *q++ = col[3]; | |
2149 | break; | |
2150 | #endif | |
2151 | case splashModeAMono8: | |
2152 | case splashModeARGB8: | |
2153 | case splashModeBGRA8: | |
2154 | #if SPLASH_CMYK | |
2155 | case splashModeACMYK8: | |
2156 | #endif | |
2157 | //~ unimplemented | |
2158 | break; | |
2159 | } | |
2160 | } else { | |
2161 | switch (imgData->colorMode) { | |
2162 | case splashModeMono1: | |
2163 | case splashModeMono8: | |
2164 | imgData->colorMap->getGray(p, &gray); | |
2165 | *q++ = alpha; | |
2166 | *q++ = colToByte(gray); | |
2167 | break; | |
2168 | case splashModeRGB8: | |
2169 | imgData->colorMap->getRGB(p, &rgb); | |
2170 | *q++ = alpha; | |
2171 | *q++ = colToByte(rgb.r); | |
2172 | *q++ = colToByte(rgb.g); | |
2173 | *q++ = colToByte(rgb.b); | |
2174 | break; | |
2175 | case splashModeBGR8: | |
2176 | imgData->colorMap->getRGB(p, &rgb); | |
2177 | *q++ = colToByte(rgb.b); | |
2178 | *q++ = colToByte(rgb.g); | |
2179 | *q++ = colToByte(rgb.r); | |
2180 | *q++ = alpha; | |
2181 | break; | |
2182 | #if SPLASH_CMYK | |
2183 | case splashModeCMYK8: | |
2184 | imgData->colorMap->getCMYK(p, &cmyk); | |
2185 | *q++ = alpha; | |
2186 | *q++ = colToByte(cmyk.c); | |
2187 | *q++ = colToByte(cmyk.m); | |
2188 | *q++ = colToByte(cmyk.y); | |
2189 | *q++ = colToByte(cmyk.k); | |
2190 | break; | |
2191 | #endif | |
2192 | case splashModeAMono8: | |
2193 | case splashModeARGB8: | |
2194 | case splashModeBGRA8: | |
2195 | #if SPLASH_CMYK | |
2196 | case splashModeACMYK8: | |
2197 | #endif | |
2198 | //~ unimplemented | |
2199 | break; | |
2200 | } | |
2201 | } | |
2202 | } | |
2203 | ||
2204 | ++imgData->y; | |
2205 | return gTrue; | |
2206 | } | |
2207 | ||
2208 | void SplashOutputDev::drawMaskedImage(GfxState *state, Object *ref, | |
2209 | Stream *str, int width, int height, | |
2210 | GfxImageColorMap *colorMap, | |
2211 | Stream *maskStr, int maskWidth, | |
2212 | int maskHeight, GBool maskInvert) { | |
2213 | double *ctm; | |
2214 | SplashCoord mat[6]; | |
2215 | SplashOutMaskedImageData imgData; | |
2216 | SplashOutImageMaskData imgMaskData; | |
2217 | SplashColorMode srcMode; | |
2218 | SplashBitmap *maskBitmap; | |
2219 | Splash *maskSplash; | |
2220 | SplashColor maskColor; | |
2221 | GfxGray gray; | |
2222 | GfxRGB rgb; | |
2223 | #if SPLASH_CMYK | |
2224 | GfxCMYK cmyk; | |
2225 | #endif | |
2226 | Guchar pix; | |
2227 | int n, i; | |
2228 | ||
2229 | //----- scale the mask image to the same size as the source image | |
2230 | ||
2231 | mat[0] = (SplashCoord)width; | |
2232 | mat[1] = 0; | |
2233 | mat[2] = 0; | |
2234 | mat[3] = (SplashCoord)height; | |
2235 | mat[4] = 0; | |
2236 | mat[5] = 0; | |
2237 | imgMaskData.imgStr = new ImageStream(maskStr, maskWidth, 1, 1); | |
2238 | imgMaskData.imgStr->reset(); | |
2239 | imgMaskData.invert = maskInvert ? 0 : 1; | |
2240 | imgMaskData.width = maskWidth; | |
2241 | imgMaskData.height = maskHeight; | |
2242 | imgMaskData.y = 0; | |
2243 | maskBitmap = new SplashBitmap(width, height, 1, splashModeMono1); | |
2244 | maskSplash = new Splash(maskBitmap); | |
2245 | maskColor[0] = 0; | |
2246 | maskSplash->clear(maskColor); | |
2247 | maskColor[0] = 1; | |
2248 | maskSplash->setFillPattern(new SplashSolidColor(maskColor)); | |
2249 | maskSplash->fillImageMask(&imageMaskSrc, &imgMaskData, | |
2250 | maskWidth, maskHeight, mat); | |
2251 | delete imgMaskData.imgStr; | |
2252 | maskStr->close(); | |
2253 | delete maskSplash; | |
2254 | ||
2255 | //----- draw the source image | |
2256 | ||
2257 | ctm = state->getCTM(); | |
2258 | mat[0] = ctm[0]; | |
2259 | mat[1] = ctm[1]; | |
2260 | mat[2] = -ctm[2]; | |
2261 | mat[3] = -ctm[3]; | |
2262 | mat[4] = ctm[2] + ctm[4]; | |
2263 | mat[5] = ctm[3] + ctm[5]; | |
2264 | ||
2265 | imgData.imgStr = new ImageStream(str, width, | |
2266 | colorMap->getNumPixelComps(), | |
2267 | colorMap->getBits()); | |
2268 | imgData.imgStr->reset(); | |
2269 | imgData.colorMap = colorMap; | |
2270 | imgData.mask = maskBitmap; | |
2271 | imgData.colorMode = colorMode; | |
2272 | imgData.width = width; | |
2273 | imgData.height = height; | |
2274 | imgData.y = 0; | |
2275 | ||
2276 | // special case for one-channel (monochrome/gray/separation) images: | |
2277 | // build a lookup table here | |
2278 | imgData.lookup = NULL; | |
2279 | if (colorMap->getNumPixelComps() == 1) { | |
2280 | n = 1 << colorMap->getBits(); | |
2281 | switch (colorMode) { | |
2282 | case splashModeMono1: | |
2283 | case splashModeMono8: | |
2284 | imgData.lookup = (SplashColorPtr)gmalloc(n); | |
2285 | for (i = 0; i < n; ++i) { | |
2286 | pix = (Guchar)i; | |
2287 | colorMap->getGray(&pix, &gray); | |
2288 | imgData.lookup[i] = colToByte(gray); | |
2289 | } | |
2290 | break; | |
2291 | case splashModeRGB8: | |
2292 | imgData.lookup = (SplashColorPtr)gmalloc(3 * n); | |
2293 | for (i = 0; i < n; ++i) { | |
2294 | pix = (Guchar)i; | |
2295 | colorMap->getRGB(&pix, &rgb); | |
2296 | imgData.lookup[3*i] = colToByte(rgb.r); | |
2297 | imgData.lookup[3*i+1] = colToByte(rgb.g); | |
2298 | imgData.lookup[3*i+2] = colToByte(rgb.b); | |
2299 | } | |
2300 | break; | |
2301 | case splashModeBGR8: | |
2302 | imgData.lookup = (SplashColorPtr)gmalloc(3 * n); | |
2303 | for (i = 0; i < n; ++i) { | |
2304 | pix = (Guchar)i; | |
2305 | colorMap->getRGB(&pix, &rgb); | |
2306 | imgData.lookup[3*i] = colToByte(rgb.b); | |
2307 | imgData.lookup[3*i+1] = colToByte(rgb.g); | |
2308 | imgData.lookup[3*i+2] = colToByte(rgb.r); | |
2309 | } | |
2310 | break; | |
2311 | #if SPLASH_CMYK | |
2312 | case splashModeCMYK8: | |
2313 | imgData.lookup = (SplashColorPtr)gmalloc(4 * n); | |
2314 | for (i = 0; i < n; ++i) { | |
2315 | pix = (Guchar)i; | |
2316 | colorMap->getCMYK(&pix, &cmyk); | |
2317 | imgData.lookup[4*i] = colToByte(cmyk.c); | |
2318 | imgData.lookup[4*i+1] = colToByte(cmyk.m); | |
2319 | imgData.lookup[4*i+2] = colToByte(cmyk.y); | |
2320 | imgData.lookup[4*i+3] = colToByte(cmyk.k); | |
2321 | } | |
2322 | break; | |
2323 | #endif | |
2324 | default: | |
2325 | //~ unimplemented | |
2326 | break; | |
2327 | } | |
2328 | } | |
2329 | ||
2330 | switch (colorMode) { | |
2331 | case splashModeMono1: | |
2332 | case splashModeMono8: | |
2333 | srcMode = splashModeAMono8; | |
2334 | break; | |
2335 | case splashModeRGB8: | |
2336 | srcMode = splashModeARGB8; | |
2337 | break; | |
2338 | case splashModeBGR8: | |
2339 | srcMode = splashModeBGRA8; | |
2340 | break; | |
2341 | #if SPLASH_CMYK | |
2342 | case splashModeCMYK8: | |
2343 | srcMode = splashModeACMYK8; | |
2344 | break; | |
2345 | #endif | |
2346 | default: | |
2347 | //~ unimplemented | |
2348 | srcMode = splashModeARGB8; | |
2349 | break; | |
2350 | } | |
2351 | splash->drawImage(&maskedImageSrc, &imgData, srcMode, width, height, mat); | |
2352 | ||
2353 | delete maskBitmap; | |
2354 | gfree(imgData.lookup); | |
2355 | delete imgData.imgStr; | |
2356 | str->close(); | |
2357 | } | |
2358 | ||
2359 | void SplashOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, | |
2360 | Stream *str, int width, int height, | |
2361 | GfxImageColorMap *colorMap, | |
2362 | Stream *maskStr, | |
2363 | int maskWidth, int maskHeight, | |
2364 | GfxImageColorMap *maskColorMap) { | |
2365 | double *ctm; | |
2366 | SplashCoord mat[6]; | |
2367 | SplashOutImageData imgData; | |
2368 | SplashOutImageData imgMaskData; | |
2369 | SplashColorMode srcMode; | |
2370 | SplashBitmap *maskBitmap; | |
2371 | Splash *maskSplash; | |
2372 | SplashColor maskColor; | |
2373 | GfxGray gray; | |
2374 | GfxRGB rgb; | |
2375 | #if SPLASH_CMYK | |
2376 | GfxCMYK cmyk; | |
2377 | #endif | |
2378 | Guchar pix; | |
2379 | int n, i; | |
2380 | ||
2381 | ctm = state->getCTM(); | |
2382 | mat[0] = ctm[0]; | |
2383 | mat[1] = ctm[1]; | |
2384 | mat[2] = -ctm[2]; | |
2385 | mat[3] = -ctm[3]; | |
2386 | mat[4] = ctm[2] + ctm[4]; | |
2387 | mat[5] = ctm[3] + ctm[5]; | |
2388 | ||
2389 | //----- set up the soft mask | |
2390 | ||
2391 | imgMaskData.imgStr = new ImageStream(maskStr, maskWidth, | |
2392 | maskColorMap->getNumPixelComps(), | |
2393 | maskColorMap->getBits()); | |
2394 | imgMaskData.imgStr->reset(); | |
2395 | imgMaskData.colorMap = maskColorMap; | |
2396 | imgMaskData.maskColors = NULL; | |
2397 | imgMaskData.colorMode = splashModeMono8; | |
2398 | imgMaskData.width = maskWidth; | |
2399 | imgMaskData.height = maskHeight; | |
2400 | imgMaskData.y = 0; | |
2401 | n = 1 << maskColorMap->getBits(); | |
2402 | imgMaskData.lookup = (SplashColorPtr)gmalloc(n); | |
2403 | for (i = 0; i < n; ++i) { | |
2404 | pix = (Guchar)i; | |
2405 | maskColorMap->getGray(&pix, &gray); | |
2406 | imgMaskData.lookup[i] = colToByte(gray); | |
2407 | } | |
2408 | maskBitmap = new SplashBitmap(bitmap->getWidth(), bitmap->getHeight(), | |
2409 | 1, splashModeMono8); | |
2410 | maskSplash = new Splash(maskBitmap); | |
2411 | maskColor[0] = 0; | |
2412 | maskSplash->clear(maskColor); | |
2413 | maskSplash->drawImage(&imageSrc, &imgMaskData, | |
2414 | splashModeMono8, maskWidth, maskHeight, mat); | |
2415 | delete imgMaskData.imgStr; | |
2416 | maskStr->close(); | |
2417 | gfree(imgMaskData.lookup); | |
2418 | delete maskSplash; | |
2419 | splash->setSoftMask(maskBitmap); | |
2420 | ||
2421 | //----- draw the source image | |
2422 | ||
2423 | imgData.imgStr = new ImageStream(str, width, | |
2424 | colorMap->getNumPixelComps(), | |
2425 | colorMap->getBits()); | |
2426 | imgData.imgStr->reset(); | |
2427 | imgData.colorMap = colorMap; | |
2428 | imgData.maskColors = NULL; | |
2429 | imgData.colorMode = colorMode; | |
2430 | imgData.width = width; | |
2431 | imgData.height = height; | |
2432 | imgData.y = 0; | |
2433 | ||
2434 | // special case for one-channel (monochrome/gray/separation) images: | |
2435 | // build a lookup table here | |
2436 | imgData.lookup = NULL; | |
2437 | if (colorMap->getNumPixelComps() == 1) { | |
2438 | n = 1 << colorMap->getBits(); | |
2439 | switch (colorMode) { | |
2440 | case splashModeMono1: | |
2441 | case splashModeMono8: | |
2442 | imgData.lookup = (SplashColorPtr)gmalloc(n); | |
2443 | for (i = 0; i < n; ++i) { | |
2444 | pix = (Guchar)i; | |
2445 | colorMap->getGray(&pix, &gray); | |
2446 | imgData.lookup[i] = colToByte(gray); | |
2447 | } | |
2448 | break; | |
2449 | case splashModeRGB8: | |
2450 | imgData.lookup = (SplashColorPtr)gmalloc(3 * n); | |
2451 | for (i = 0; i < n; ++i) { | |
2452 | pix = (Guchar)i; | |
2453 | colorMap->getRGB(&pix, &rgb); | |
2454 | imgData.lookup[3*i] = colToByte(rgb.r); | |
2455 | imgData.lookup[3*i+1] = colToByte(rgb.g); | |
2456 | imgData.lookup[3*i+2] = colToByte(rgb.b); | |
2457 | } | |
2458 | break; | |
2459 | case splashModeBGR8: | |
2460 | imgData.lookup = (SplashColorPtr)gmalloc(3 * n); | |
2461 | for (i = 0; i < n; ++i) { | |
2462 | pix = (Guchar)i; | |
2463 | colorMap->getRGB(&pix, &rgb); | |
2464 | imgData.lookup[3*i] = colToByte(rgb.b); | |
2465 | imgData.lookup[3*i+1] = colToByte(rgb.g); | |
2466 | imgData.lookup[3*i+2] = colToByte(rgb.r); | |
2467 | } | |
2468 | break; | |
2469 | #if SPLASH_CMYK | |
2470 | case splashModeCMYK8: | |
2471 | imgData.lookup = (SplashColorPtr)gmalloc(4 * n); | |
2472 | for (i = 0; i < n; ++i) { | |
2473 | pix = (Guchar)i; | |
2474 | colorMap->getCMYK(&pix, &cmyk); | |
2475 | imgData.lookup[4*i] = colToByte(cmyk.c); | |
2476 | imgData.lookup[4*i+1] = colToByte(cmyk.m); | |
2477 | imgData.lookup[4*i+2] = colToByte(cmyk.y); | |
2478 | imgData.lookup[4*i+3] = colToByte(cmyk.k); | |
2479 | } | |
2480 | break; | |
2481 | #endif | |
2482 | default: | |
2483 | //~ unimplemented | |
2484 | break; | |
2485 | } | |
2486 | } | |
2487 | ||
2488 | switch (colorMode) { | |
2489 | case splashModeMono1: | |
2490 | case splashModeMono8: | |
2491 | srcMode = splashModeMono8; | |
2492 | break; | |
2493 | case splashModeRGB8: | |
2494 | srcMode = splashModeRGB8; | |
2495 | break; | |
2496 | case splashModeBGR8: | |
2497 | srcMode = splashModeBGR8; | |
2498 | break; | |
2499 | #if SPLASH_CMYK | |
2500 | case splashModeCMYK8: | |
2501 | srcMode = splashModeCMYK8; | |
2502 | break; | |
2503 | #endif | |
2504 | default: | |
2505 | //~ unimplemented | |
2506 | srcMode = splashModeRGB8; | |
2507 | break; | |
2508 | } | |
2509 | splash->drawImage(&imageSrc, &imgData, srcMode, width, height, mat); | |
2510 | ||
2511 | splash->setSoftMask(NULL); | |
2512 | gfree(imgData.lookup); | |
2513 | delete imgData.imgStr; | |
2514 | str->close(); | |
2515 | } | |
2516 | ||
2517 | void SplashOutputDev::setPaperColor(SplashColorPtr paperColorA) { | |
2518 | splashColorCopy(paperColor, paperColorA); | |
2519 | } | |
2520 | ||
2521 | int SplashOutputDev::getBitmapWidth() { | |
2522 | return bitmap->getWidth(); | |
2523 | } | |
2524 | ||
2525 | int SplashOutputDev::getBitmapHeight() { | |
2526 | return bitmap->getHeight(); | |
2527 | } | |
2528 | ||
2529 | SplashBitmap *SplashOutputDev::takeBitmap() { | |
2530 | SplashBitmap *ret; | |
2531 | ||
2532 | ret = bitmap; | |
2533 | bitmap = new SplashBitmap(1, 1, bitmapRowPad, colorMode, bitmapTopDown); | |
2534 | return ret; | |
2535 | } | |
2536 | ||
2537 | void SplashOutputDev::getModRegion(int *xMin, int *yMin, | |
2538 | int *xMax, int *yMax) { | |
2539 | splash->getModRegion(xMin, yMin, xMax, yMax); | |
2540 | } | |
2541 | ||
2542 | void SplashOutputDev::clearModRegion() { | |
2543 | splash->clearModRegion(); | |
2544 | } | |
2545 | ||
2546 | void SplashOutputDev::setFillColor(int r, int g, int b) { | |
2547 | GfxRGB rgb; | |
2548 | GfxGray gray; | |
2549 | #if SPLASH_CMYK | |
2550 | GfxCMYK cmyk; | |
2551 | #endif | |
2552 | ||
2553 | rgb.r = byteToCol(r); | |
2554 | rgb.g = byteToCol(g); | |
2555 | rgb.b = byteToCol(b); | |
2556 | gray = (GfxColorComp)(0.299 * rgb.r + 0.587 * rgb.g + 0.114 * rgb.g + 0.5); | |
2557 | if (gray > gfxColorComp1) { | |
2558 | gray = gfxColorComp1; | |
2559 | } | |
2560 | #if SPLASH_CMYK | |
2561 | cmyk.c = gfxColorComp1 - rgb.r; | |
2562 | cmyk.m = gfxColorComp1 - rgb.g; | |
2563 | cmyk.y = gfxColorComp1 - rgb.b; | |
2564 | cmyk.k = 0; | |
2565 | splash->setFillPattern(getColor(gray, &rgb, &cmyk)); | |
2566 | #else | |
2567 | splash->setFillPattern(getColor(gray, &rgb)); | |
2568 | #endif | |
2569 | } | |
2570 | ||
2571 | SplashFont *SplashOutputDev::getFont(GString *name, double *mat) { | |
2572 | DisplayFontParam *dfp; | |
2573 | Ref ref; | |
2574 | SplashOutFontFileID *id; | |
2575 | SplashFontFile *fontFile; | |
2576 | SplashFont *fontObj; | |
2577 | FoFiTrueType *ff; | |
2578 | Gushort *codeToGID; | |
2579 | Unicode u; | |
2580 | int cmap, i; | |
2581 | ||
2582 | for (i = 0; i < 16; ++i) { | |
2583 | if (!name->cmp(splashOutSubstFonts[i].name)) { | |
2584 | break; | |
2585 | } | |
2586 | } | |
2587 | if (i == 16) { | |
2588 | return NULL; | |
2589 | } | |
2590 | ref.num = i; | |
2591 | ref.gen = -1; | |
2592 | id = new SplashOutFontFileID(&ref); | |
2593 | ||
2594 | // check the font file cache | |
2595 | if ((fontFile = fontEngine->getFontFile(id))) { | |
2596 | delete id; | |
2597 | ||
2598 | // load the font file | |
2599 | } else { | |
2600 | dfp = globalParams->getDisplayFont(name); | |
2601 | if (dfp && dfp->kind == displayFontT1) { | |
2602 | fontFile = fontEngine->loadType1Font(id, dfp->t1.fileName->getCString(), | |
2603 | gFalse, winAnsiEncoding); | |
2604 | } else if (dfp && dfp->kind == displayFontTT) { | |
2605 | if (!(ff = FoFiTrueType::load(dfp->tt.fileName->getCString()))) { | |
2606 | return NULL; | |
2607 | } | |
2608 | for (cmap = 0; cmap < ff->getNumCmaps(); ++cmap) { | |
2609 | if ((ff->getCmapPlatform(cmap) == 3 && | |
2610 | ff->getCmapEncoding(cmap) == 1) || | |
2611 | ff->getCmapPlatform(cmap) == 0) { | |
2612 | break; | |
2613 | } | |
2614 | } | |
2615 | if (cmap == ff->getNumCmaps()) { | |
2616 | delete ff; | |
2617 | return NULL; | |
2618 | } | |
2619 | codeToGID = (Gushort *)gmallocn(256, sizeof(Gushort)); | |
2620 | for (i = 0; i < 256; ++i) { | |
2621 | codeToGID[i] = 0; | |
2622 | if (winAnsiEncoding[i] && | |
2623 | (u = globalParams->mapNameToUnicode(winAnsiEncoding[i]))) { | |
2624 | codeToGID[i] = ff->mapCodeToGID(cmap, u); | |
2625 | } | |
2626 | } | |
2627 | delete ff; | |
2628 | fontFile = fontEngine->loadTrueTypeFont(id, | |
2629 | dfp->tt.fileName->getCString(), | |
2630 | gFalse, codeToGID, 256); | |
2631 | } else { | |
2632 | return NULL; | |
2633 | } | |
2634 | } | |
2635 | ||
2636 | // create the scaled font | |
2637 | fontObj = fontEngine->getFont(fontFile, (SplashCoord *)mat); | |
2638 | ||
2639 | return fontObj; | |
2640 | } |