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![Klemens Friedl](/assets/img/avatar_default.png)
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
203 lines
6.4 KiB
C++
203 lines
6.4 KiB
C++
//========================================================================
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//
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// Splash.h
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//
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//========================================================================
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#ifndef SPLASH_H
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#define SPLASH_H
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#ifdef USE_GCC_PRAGMAS
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#pragma interface
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#endif
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#include "SplashTypes.h"
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#include "SplashClip.h"
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class SplashBitmap;
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struct SplashGlyphBitmap;
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class SplashState;
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class SplashPattern;
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class SplashScreen;
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class SplashPath;
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class SplashXPath;
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class SplashFont;
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//------------------------------------------------------------------------
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// Retrieves the next line of pixels in an image mask. Normally,
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// fills in *<line> and returns true. If the image stream is
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// exhausted, returns false.
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typedef GBool (*SplashImageMaskSource)(void *data, SplashColorPtr pixel);
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// Retrieves the next line of pixels in an image. Normally, fills in
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// *<line> and returns true. If the image stream is exhausted,
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// returns false.
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typedef GBool (*SplashImageSource)(void *data, SplashColorPtr line);
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//------------------------------------------------------------------------
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// Splash
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//------------------------------------------------------------------------
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class Splash {
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public:
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// Create a new rasterizer object.
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Splash(SplashBitmap *bitmapA);
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~Splash();
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//----- state read
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SplashPattern *getStrokePattern();
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SplashPattern *getFillPattern();
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SplashScreen *getScreen();
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SplashBlendFunc getBlendFunc();
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SplashCoord getStrokeAlpha();
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SplashCoord getFillAlpha();
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SplashCoord getLineWidth();
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int getLineCap();
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int getLineJoin();
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SplashCoord getMiterLimit();
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SplashCoord getFlatness();
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SplashCoord *getLineDash();
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int getLineDashLength();
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SplashCoord getLineDashPhase();
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SplashClip *getClip();
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//----- state write
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void setStrokePattern(SplashPattern *strokeColor);
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void setFillPattern(SplashPattern *fillColor);
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void setScreen(SplashScreen *screen);
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void setBlendFunc(SplashBlendFunc func);
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void setStrokeAlpha(SplashCoord alpha);
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void setFillAlpha(SplashCoord alpha);
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void setLineWidth(SplashCoord lineWidth);
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void setLineCap(int lineCap);
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void setLineJoin(int lineJoin);
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void setMiterLimit(SplashCoord miterLimit);
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void setFlatness(SplashCoord flatness);
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// the <lineDash> array will be copied
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void setLineDash(SplashCoord *lineDash, int lineDashLength,
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SplashCoord lineDashPhase);
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void clipResetToRect(SplashCoord x0, SplashCoord y0,
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SplashCoord x1, SplashCoord y1);
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SplashError clipToRect(SplashCoord x0, SplashCoord y0,
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SplashCoord x1, SplashCoord y1);
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SplashError clipToPath(SplashPath *path, GBool eo);
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//----- state save/restore
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void saveState();
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SplashError restoreState();
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//----- soft mask
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void setSoftMask(SplashBitmap *softMaskA);
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//----- drawing operations
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// Fill the bitmap with <color>. This is not subject to clipping.
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void clear(SplashColorPtr color);
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// Stroke a path using the current stroke pattern.
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SplashError stroke(SplashPath *path);
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// Fill a path using the current fill pattern.
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SplashError fill(SplashPath *path, GBool eo);
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// Fill a path, XORing with the current fill pattern.
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SplashError xorFill(SplashPath *path, GBool eo);
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// Draw a character, using the current fill pattern.
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SplashError fillChar(SplashCoord x, SplashCoord y, int c, SplashFont *font);
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// Draw a glyph, using the current fill pattern. This function does
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// not free any data, i.e., it ignores glyph->freeData.
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SplashError fillGlyph(SplashCoord x, SplashCoord y,
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SplashGlyphBitmap *glyph);
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// Draws an image mask using the fill color. This will read <h>
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// lines of <w> pixels from <src>, starting with the top line. "1"
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// pixels will be drawn with the current fill color; "0" pixels are
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// transparent. The matrix:
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// [ mat[0] mat[1] 0 ]
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// [ mat[2] mat[3] 0 ]
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// [ mat[4] mat[5] 1 ]
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// maps a unit square to the desired destination for the image, in
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// PostScript style:
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// [x' y' 1] = [x y 1] * mat
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// Note that the Splash y axis points downward, and the image source
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// is assumed to produce pixels in raster order, starting from the
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// top line.
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SplashError fillImageMask(SplashImageMaskSource src, void *srcData,
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int w, int h, SplashCoord *mat);
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// Draw an image. This will read <h> lines of <w> pixels from
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// <src>, starting with the top line. These pixels are assumed to
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// be in the source mode, <srcMode>. The following combinations of
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// source and target modes are supported:
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// source target
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// ------ ------
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// Mono1 Mono1
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// Mono8 Mono1 -- with dithering
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// Mono8 Mono8
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// RGB8 RGB8
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// BGR8 BGR8
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// ARGB8 RGB8 -- with source alpha (masking)
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// BGRA8 BGR8 -- with source alpha (masking)
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// The matrix behaves as for fillImageMask.
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SplashError drawImage(SplashImageSource src, void *srcData,
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SplashColorMode srcMode,
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int w, int h, SplashCoord *mat);
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//----- misc
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// Return the associated bitmap.
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SplashBitmap *getBitmap() { return bitmap; }
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// Get a bounding box which includes all modifications since the
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// last call to clearModRegion.
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void getModRegion(int *xMin, int *yMin, int *xMax, int *yMax)
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{ *xMin = modXMin; *yMin = modYMin; *xMax = modXMax; *yMax = modYMax; }
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// Clear the modified region bounding box.
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void clearModRegion();
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// Get clipping status for the last drawing operation subject to
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// clipping.
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SplashClipResult getClipRes() { return opClipRes; }
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// Toggle debug mode on or off.
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void setDebugMode(GBool debugModeA) { debugMode = debugModeA; }
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private:
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void updateModX(int x);
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void updateModY(int y);
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void strokeNarrow(SplashXPath *xPath);
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void strokeWide(SplashXPath *xPath);
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SplashXPath *makeDashedPath(SplashXPath *xPath);
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SplashError fillWithPattern(SplashPath *path, GBool eo,
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SplashPattern *pattern, SplashCoord alpha);
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void drawPixel(int x, int y, SplashColorPtr color,
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SplashCoord alpha, GBool noClip);
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void drawPixel(int x, int y, SplashPattern *pattern,
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SplashCoord alpha, GBool noClip);
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void drawSpan(int x0, int x1, int y, SplashPattern *pattern,
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SplashCoord alpha, GBool noClip);
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void xorSpan(int x0, int x1, int y, SplashPattern *pattern, GBool noClip);
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void dumpPath(SplashPath *path);
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void dumpXPath(SplashXPath *path);
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SplashBitmap *bitmap;
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SplashState *state;
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SplashBitmap *softMask;
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int modXMin, modYMin, modXMax, modYMax;
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SplashClipResult opClipRes;
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GBool debugMode;
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};
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#endif
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