+++ /dev/null
-//========================================================================
-//
-// Splash.h
-//
-//========================================================================
-
-#ifndef SPLASH_H
-#define SPLASH_H
-
-#include <config.h>
-
-#ifdef USE_GCC_PRAGMAS
-#pragma interface
-#endif
-
-#include "SplashTypes.h"
-#include "SplashClip.h"
-
-class SplashBitmap;
-struct SplashGlyphBitmap;
-class SplashState;
-class SplashPattern;
-class SplashScreen;
-class SplashPath;
-class SplashXPath;
-class SplashFont;
-
-//------------------------------------------------------------------------
-
-// Retrieves the next line of pixels in an image mask. Normally,
-// fills in *<line> and returns true. If the image stream is
-// exhausted, returns false.
-typedef GBool (*SplashImageMaskSource)(void *data, SplashColorPtr pixel);
-
-// Retrieves the next line of pixels in an image. Normally, fills in
-// *<line> and returns true. If the image stream is exhausted,
-// returns false.
-typedef GBool (*SplashImageSource)(void *data, SplashColorPtr line);
-
-//------------------------------------------------------------------------
-// Splash
-//------------------------------------------------------------------------
-
-class Splash {
-public:
-
- // Create a new rasterizer object.
- Splash(SplashBitmap *bitmapA);
-
- ~Splash();
-
- //----- state read
-
- SplashPattern *getStrokePattern();
- SplashPattern *getFillPattern();
- SplashScreen *getScreen();
- SplashBlendFunc getBlendFunc();
- SplashCoord getStrokeAlpha();
- SplashCoord getFillAlpha();
- SplashCoord getLineWidth();
- int getLineCap();
- int getLineJoin();
- SplashCoord getMiterLimit();
- SplashCoord getFlatness();
- SplashCoord *getLineDash();
- int getLineDashLength();
- SplashCoord getLineDashPhase();
- SplashClip *getClip();
-
- //----- state write
-
- void setStrokePattern(SplashPattern *strokeColor);
- void setFillPattern(SplashPattern *fillColor);
- void setScreen(SplashScreen *screen);
- void setBlendFunc(SplashBlendFunc func);
- void setStrokeAlpha(SplashCoord alpha);
- void setFillAlpha(SplashCoord alpha);
- void setLineWidth(SplashCoord lineWidth);
- void setLineCap(int lineCap);
- void setLineJoin(int lineJoin);
- void setMiterLimit(SplashCoord miterLimit);
- void setFlatness(SplashCoord flatness);
- // the <lineDash> array will be copied
- void setLineDash(SplashCoord *lineDash, int lineDashLength,
- SplashCoord lineDashPhase);
- void clipResetToRect(SplashCoord x0, SplashCoord y0,
- SplashCoord x1, SplashCoord y1);
- SplashError clipToRect(SplashCoord x0, SplashCoord y0,
- SplashCoord x1, SplashCoord y1);
- SplashError clipToPath(SplashPath *path, GBool eo);
-
- //----- state save/restore
-
- void saveState();
- SplashError restoreState();
-
- //----- soft mask
-
- void setSoftMask(SplashBitmap *softMaskA);
-
- //----- drawing operations
-
- // Fill the bitmap with <color>. This is not subject to clipping.
- void clear(SplashColorPtr color);
-
- // Stroke a path using the current stroke pattern.
- SplashError stroke(SplashPath *path);
-
- // Fill a path using the current fill pattern.
- SplashError fill(SplashPath *path, GBool eo);
-
- // Fill a path, XORing with the current fill pattern.
- SplashError xorFill(SplashPath *path, GBool eo);
-
- // Draw a character, using the current fill pattern.
- SplashError fillChar(SplashCoord x, SplashCoord y, int c, SplashFont *font);
-
- // Draw a glyph, using the current fill pattern. This function does
- // not free any data, i.e., it ignores glyph->freeData.
- SplashError fillGlyph(SplashCoord x, SplashCoord y,
- SplashGlyphBitmap *glyph);
-
- // Draws an image mask using the fill color. This will read <h>
- // lines of <w> pixels from <src>, starting with the top line. "1"
- // pixels will be drawn with the current fill color; "0" pixels are
- // transparent. The matrix:
- // [ mat[0] mat[1] 0 ]
- // [ mat[2] mat[3] 0 ]
- // [ mat[4] mat[5] 1 ]
- // maps a unit square to the desired destination for the image, in
- // PostScript style:
- // [x' y' 1] = [x y 1] * mat
- // Note that the Splash y axis points downward, and the image source
- // is assumed to produce pixels in raster order, starting from the
- // top line.
- SplashError fillImageMask(SplashImageMaskSource src, void *srcData,
- int w, int h, SplashCoord *mat);
-
- // Draw an image. This will read <h> lines of <w> pixels from
- // <src>, starting with the top line. These pixels are assumed to
- // be in the source mode, <srcMode>. The following combinations of
- // source and target modes are supported:
- // source target
- // ------ ------
- // Mono1 Mono1
- // Mono8 Mono1 -- with dithering
- // Mono8 Mono8
- // RGB8 RGB8
- // BGR8 BGR8
- // ARGB8 RGB8 -- with source alpha (masking)
- // BGRA8 BGR8 -- with source alpha (masking)
- // The matrix behaves as for fillImageMask.
- SplashError drawImage(SplashImageSource src, void *srcData,
- SplashColorMode srcMode,
- int w, int h, SplashCoord *mat);
-
- //----- misc
-
- // Return the associated bitmap.
- SplashBitmap *getBitmap() { return bitmap; }
-
- // Get a bounding box which includes all modifications since the
- // last call to clearModRegion.
- void getModRegion(int *xMin, int *yMin, int *xMax, int *yMax)
- { *xMin = modXMin; *yMin = modYMin; *xMax = modXMax; *yMax = modYMax; }
-
- // Clear the modified region bounding box.
- void clearModRegion();
-
- // Get clipping status for the last drawing operation subject to
- // clipping.
- SplashClipResult getClipRes() { return opClipRes; }
-
- // Toggle debug mode on or off.
- void setDebugMode(GBool debugModeA) { debugMode = debugModeA; }
-
-private:
-
- void updateModX(int x);
- void updateModY(int y);
- void strokeNarrow(SplashXPath *xPath);
- void strokeWide(SplashXPath *xPath);
- SplashXPath *makeDashedPath(SplashXPath *xPath);
- SplashError fillWithPattern(SplashPath *path, GBool eo,
- SplashPattern *pattern, SplashCoord alpha);
- void drawPixel(int x, int y, SplashColorPtr color,
- SplashCoord alpha, GBool noClip);
- void drawPixel(int x, int y, SplashPattern *pattern,
- SplashCoord alpha, GBool noClip);
- void drawSpan(int x0, int x1, int y, SplashPattern *pattern,
- SplashCoord alpha, GBool noClip);
- void xorSpan(int x0, int x1, int y, SplashPattern *pattern, GBool noClip);
- void dumpPath(SplashPath *path);
- void dumpXPath(SplashXPath *path);
-
- SplashBitmap *bitmap;
- SplashState *state;
- SplashBitmap *softMask;
- int modXMin, modYMin, modXMax, modYMax;
- SplashClipResult opClipRes;
- GBool debugMode;
-};
-
-#endif
projects / thirdparty / cups.git / blobdiff