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Commit | Line | Data |
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07ed0e9a MS |
1 | /* |
2 | * "$Id$" | |
3 | * | |
4 | * CUPS raster to PWG raster format filter for CUPS. | |
5 | * | |
6 | * Copyright 2011 Apple Inc. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Apple Inc. and are protected by Federal copyright law. | |
10 | * Distribution and use rights are outlined in the file "LICENSE.txt" | |
11 | * which should have been included with this file. If this file is | |
12 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
13 | * | |
14 | * This file is subject to the Apple OS-Developed Software exception. | |
15 | * | |
16 | * Contents: | |
17 | * | |
18 | * main() - Main entry for filter. | |
19 | */ | |
20 | ||
21 | /* | |
22 | * Include necessary headers... | |
23 | */ | |
24 | ||
25 | #include <cups/cups.h> | |
26 | #include <cups/language-private.h> | |
27 | #include <cups/raster.h> | |
28 | #include <cups/string-private.h> | |
29 | #include <unistd.h> | |
30 | #include <fcntl.h> | |
31 | ||
32 | ||
33 | /* | |
34 | * 'main()' - Main entry for filter. | |
35 | */ | |
36 | ||
37 | int /* O - Exit status */ | |
38 | main(int argc, /* I - Number of command-line args */ | |
39 | char *argv[]) /* I - Command-line arguments */ | |
40 | { | |
41 | int fd; /* Raster file */ | |
42 | cups_raster_t *inras, /* Input raster stream */ | |
43 | *outras; /* Output raster stream */ | |
44 | cups_page_header2_t inheader, /* Input raster page header */ | |
45 | outheader; /* Output raster page header */ | |
46 | int y; /* Current line */ | |
47 | unsigned char *line; /* Line buffer */ | |
48 | int page = 0, /* Current page */ | |
49 | page_width, /* Actual page width */ | |
50 | page_height, /* Actual page height */ | |
51 | page_top, /* Top margin */ | |
52 | page_bottom, /* Bottom margin */ | |
53 | page_left, /* Left margin */ | |
54 | linesize, /* Bytes per line */ | |
55 | lineoffset; /* Offset into line */ | |
56 | unsigned char white; /* White pixel */ | |
57 | ||
58 | ||
59 | if (argc < 6 || argc > 7) | |
60 | { | |
61 | puts("Usage: rastertopwg job user title copies options [filename]"); | |
62 | return (1); | |
63 | } | |
64 | else if (argc == 7) | |
65 | { | |
66 | if ((fd = open(argv[6], O_RDONLY)) < 0) | |
67 | { | |
68 | perror("ERROR: Unable to open print file"); | |
69 | return (1); | |
70 | } | |
71 | } | |
72 | else | |
73 | fd = 0; | |
74 | ||
75 | inras = cupsRasterOpen(fd, CUPS_RASTER_READ); | |
76 | outras = cupsRasterOpen(1, CUPS_RASTER_WRITE_PWG); | |
77 | ||
78 | while (cupsRasterReadHeader2(inras, &inheader)) | |
79 | { | |
80 | /* | |
81 | * Compute the real raster size... | |
82 | */ | |
83 | ||
84 | page ++; | |
85 | ||
86 | fprintf(stderr, "PAGE: %d %d\n", page, inheader.NumCopies); | |
87 | ||
88 | page_width = (int)(inheader.cupsPageSize[0] * inheader.HWResolution[0] / | |
89 | 72.0); | |
90 | page_height = (int)(inheader.cupsPageSize[1] * inheader.HWResolution[1] / | |
91 | 72.0); | |
92 | page_left = (int)(inheader.cupsImagingBBox[0] * | |
93 | inheader.HWResolution[0] / 72.0); | |
94 | page_bottom = (int)(inheader.cupsImagingBBox[1] * | |
95 | inheader.HWResolution[1] / 72.0); | |
96 | page_top = page_height - page_bottom - inheader.cupsHeight; | |
97 | linesize = (page_width * inheader.cupsBitsPerPixel + 7) / 8; | |
98 | lineoffset = page_left * inheader.cupsBitsPerPixel / 8; /* Round down */ | |
99 | ||
100 | switch (inheader.cupsColorSpace) | |
101 | { | |
102 | case CUPS_CSPACE_W : | |
103 | case CUPS_CSPACE_RGB : | |
104 | case CUPS_CSPACE_SW : | |
105 | case CUPS_CSPACE_SRGB : | |
106 | case CUPS_CSPACE_ADOBERGB : | |
107 | white = 255; | |
108 | break; | |
109 | ||
110 | case CUPS_CSPACE_K : | |
111 | case CUPS_CSPACE_CMYK : | |
112 | case CUPS_CSPACE_DEVICE1 : | |
113 | case CUPS_CSPACE_DEVICE2 : | |
114 | case CUPS_CSPACE_DEVICE3 : | |
115 | case CUPS_CSPACE_DEVICE4 : | |
116 | case CUPS_CSPACE_DEVICE5 : | |
117 | case CUPS_CSPACE_DEVICE6 : | |
118 | case CUPS_CSPACE_DEVICE7 : | |
119 | case CUPS_CSPACE_DEVICE8 : | |
120 | case CUPS_CSPACE_DEVICE9 : | |
121 | case CUPS_CSPACE_DEVICEA : | |
122 | case CUPS_CSPACE_DEVICEB : | |
123 | case CUPS_CSPACE_DEVICEC : | |
124 | case CUPS_CSPACE_DEVICED : | |
125 | case CUPS_CSPACE_DEVICEE : | |
126 | case CUPS_CSPACE_DEVICEF : | |
127 | white = 0; | |
128 | break; | |
129 | default : | |
130 | _cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data.")); | |
131 | fprintf(stderr, "DEBUG: Unsupported cupsColorSpace %d on page %d.\n", | |
132 | inheader.cupsColorSpace, page); | |
133 | return (1); | |
134 | } | |
135 | ||
136 | if (inheader.cupsColorOrder != CUPS_ORDER_CHUNKED) | |
137 | { | |
138 | _cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data.")); | |
139 | fprintf(stderr, "DEBUG: Unsupported cupsColorOrder %d on page %d.\n", | |
140 | inheader.cupsColorOrder, page); | |
141 | return (1); | |
142 | } | |
143 | ||
144 | if (inheader.cupsBitsPerPixel != 1 && | |
145 | inheader.cupsBitsPerColor != 8 && inheader.cupsBitsPerColor != 16) | |
146 | { | |
147 | _cupsLangPrintFilter(stderr, "ERROR", _("Unsupported raster data.")); | |
148 | fprintf(stderr, "DEBUG: Unsupported cupsBitsPerColor %d on page %d.\n", | |
149 | inheader.cupsBitsPerColor, page); | |
150 | return (1); | |
151 | } | |
152 | ||
153 | memcpy(&outheader, &inheader, sizeof(outheader)); | |
154 | outheader.cupsWidth = page_width; | |
155 | outheader.cupsHeight = page_height; | |
156 | outheader.cupsBytesPerLine = linesize; | |
157 | ||
158 | if (!cupsRasterWriteHeader2(outras, &outheader)) | |
159 | { | |
160 | _cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data.")); | |
161 | fprintf(stderr, "DEBUG: Unable to write header for page %d.\n", page); | |
162 | return (1); | |
163 | } | |
164 | ||
165 | /* | |
166 | * Copy raster data... | |
167 | */ | |
168 | ||
169 | line = malloc(linesize); | |
170 | ||
171 | memset(line, white, linesize); | |
172 | for (y = page_top; y > 0; y --) | |
173 | if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine)) | |
174 | { | |
175 | _cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data.")); | |
176 | fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n", | |
177 | page_top - y + 1, page); | |
178 | return (1); | |
179 | } | |
180 | ||
181 | for (y = inheader.cupsHeight; y > 0; y --) | |
182 | { | |
183 | cupsRasterReadPixels(inras, line + lineoffset, inheader.cupsBytesPerLine); | |
184 | if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine)) | |
185 | { | |
186 | _cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data.")); | |
187 | fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n", | |
188 | inheader.cupsHeight - y + page_top + 1, page); | |
189 | return (1); | |
190 | } | |
191 | } | |
192 | ||
193 | memset(line, white, linesize); | |
194 | for (y = page_top; y > 0; y --) | |
195 | if (!cupsRasterWritePixels(outras, line, outheader.cupsBytesPerLine)) | |
196 | { | |
197 | _cupsLangPrintFilter(stderr, "ERROR", _("Error sending raster data.")); | |
198 | fprintf(stderr, "DEBUG: Unable to write line %d for page %d.\n", | |
199 | page_bottom - y + page_top + inheader.cupsHeight + 1, page); | |
200 | return (1); | |
201 | } | |
202 | ||
203 | free(line); | |
204 | } | |
205 | ||
206 | cupsRasterClose(inras); | |
207 | if (fd) | |
208 | close(fd); | |
209 | ||
210 | cupsRasterClose(outras); | |
211 | ||
212 | return (0); | |
213 | } | |
214 | ||
215 | ||
216 | /* | |
217 | * End of "$Id$". | |
218 | */ |