--- /dev/null
+//========================================================================
+//
+// OutputDev.h
+//
+// Copyright 1996-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef OUTPUTDEV_H
+#define OUTPUTDEV_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "CharTypes.h"
+
+class GString;
+class GfxState;
+class GfxColorSpace;
+class GfxImageColorMap;
+class GfxFunctionShading;
+class GfxAxialShading;
+class GfxRadialShading;
+class Stream;
+class Link;
+class Catalog;
+
+//------------------------------------------------------------------------
+// OutputDev
+//------------------------------------------------------------------------
+
+class OutputDev {
+public:
+
+ // Constructor.
+ OutputDev() {}
+
+ // Destructor.
+ virtual ~OutputDev() {}
+
+ //----- get info about output device
+
+ // Does this device use upside-down coordinates?
+ // (Upside-down means (0,0) is the top left corner of the page.)
+ virtual GBool upsideDown() = 0;
+
+ // Does this device use drawChar() or drawString()?
+ virtual GBool useDrawChar() = 0;
+
+ // Does this device use tilingPatternFill()? If this returns false,
+ // tiling pattern fills will be reduced to a series of other drawing
+ // operations.
+ virtual GBool useTilingPatternFill() { return gFalse; }
+
+ // Does this device use functionShadedFill(), axialShadedFill(), and
+ // radialShadedFill()? If this returns false, these shaded fills
+ // will be reduced to a series of other drawing operations.
+ virtual GBool useShadedFills() { return gFalse; }
+
+ // Does this device use beginType3Char/endType3Char? Otherwise,
+ // text in Type 3 fonts will be drawn with drawChar/drawString.
+ virtual GBool interpretType3Chars() = 0;
+
+ // Does this device need non-text content?
+ virtual GBool needNonText() { return gTrue; }
+
+ //----- initialization and control
+
+ // Set default transform matrix.
+ virtual void setDefaultCTM(double *ctm);
+
+ // Start a page.
+ virtual void startPage(int pageNum, GfxState *state, double x1,double y1,double x2,double y2) {}
+
+ // End a page.
+ virtual void endPage() {}
+
+ // Dump page contents to display.
+ virtual void dump() {}
+
+ //----- coordinate conversion
+
+ // Convert between device and user coordinates.
+ virtual void cvtDevToUser(double dx, double dy, double *ux, double *uy);
+ virtual void cvtUserToDev(double ux, double uy, int *dx, int *dy);
+
+ double *getDefCTM() { return defCTM; }
+ double *getDefICTM() { return defICTM; }
+
+ //----- link borders
+ virtual void drawLink(Link *link, Catalog *catalog) {}
+
+ //----- save/restore graphics state
+ virtual void saveState(GfxState *state) {}
+ virtual void restoreState(GfxState *state) {}
+
+ //----- update graphics state
+ virtual void updateAll(GfxState *state);
+ virtual void updateCTM(GfxState *state, double m11, double m12,
+ double m21, double m22, double m31, double m32) {}
+ virtual void updateLineDash(GfxState *state) {}
+ virtual void updateFlatness(GfxState *state) {}
+ virtual void updateLineJoin(GfxState *state) {}
+ virtual void updateLineCap(GfxState *state) {}
+ virtual void updateMiterLimit(GfxState *state) {}
+ virtual void updateLineWidth(GfxState *state) {}
+ virtual void updateFillColorSpace(GfxState *state) {}
+ virtual void updateStrokeColorSpace(GfxState *state) {}
+ virtual void updateFillColor(GfxState *state) {}
+ virtual void updateStrokeColor(GfxState *state) {}
+ virtual void updateBlendMode(GfxState *state) {}
+ virtual void updateFillOpacity(GfxState *state) {}
+ virtual void updateStrokeOpacity(GfxState *state) {}
+ virtual void updateFillOverprint(GfxState *state) {}
+ virtual void updateStrokeOverprint(GfxState *state) {}
+
+ //----- update text state
+ virtual void updateFont(GfxState *state) {}
+ virtual void updateTextMat(GfxState *state) {}
+ virtual void updateCharSpace(GfxState *state) {}
+ virtual void updateRender(GfxState *state) {}
+ virtual void updateRise(GfxState *state) {}
+ virtual void updateWordSpace(GfxState *state) {}
+ virtual void updateHorizScaling(GfxState *state) {}
+ virtual void updateTextPos(GfxState *state) {}
+ virtual void updateTextShift(GfxState *state, double shift) {}
+
+ //----- path painting
+ virtual void stroke(GfxState *state) {}
+ virtual void fill(GfxState *state) {}
+ virtual void eoFill(GfxState *state) {}
+ virtual void tilingPatternFill(GfxState *state, Object *str,
+ int paintType, Dict *resDict,
+ double *mat, double *bbox,
+ int x0, int y0, int x1, int y1,
+ double xStep, double yStep) {}
+ virtual void functionShadedFill(GfxState *state,
+ GfxFunctionShading *shading) {}
+ virtual void axialShadedFill(GfxState *state, GfxAxialShading *shading) {}
+ virtual void radialShadedFill(GfxState *state, GfxRadialShading *shading) {}
+
+ //----- path clipping
+ virtual void clip(GfxState *state) {}
+ virtual void eoClip(GfxState *state) {}
+
+ //----- text drawing
+ virtual void beginStringOp(GfxState *state) {}
+ virtual void endStringOp(GfxState *state) {}
+ virtual void beginString(GfxState *state, GString *s) {}
+ virtual void endString(GfxState *state) {}
+ virtual void drawChar(GfxState *state, double x, double y,
+ double dx, double dy,
+ double originX, double originY,
+ CharCode code, int nBytes, Unicode *u, int uLen) {}
+ virtual void drawString(GfxState *state, GString *s) {}
+ virtual GBool beginType3Char(GfxState *state, double x, double y,
+ double dx, double dy,
+ CharCode code, Unicode *u, int uLen);
+ virtual void endType3Char(GfxState *state) {}
+ virtual void endTextObject(GfxState *state) {}
+
+ //----- image drawing
+ virtual void drawImageMask(GfxState *state, Object *ref, Stream *str,
+ int width, int height, GBool invert,
+ GBool inlineImg);
+ virtual void drawImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height, GfxImageColorMap *colorMap,
+ int *maskColors, GBool inlineImg);
+ virtual void drawMaskedImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height,
+ GfxImageColorMap *colorMap,
+ Stream *maskStr, int maskWidth, int maskHeight,
+ GBool maskInvert);
+ virtual void drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
+ int width, int height,
+ GfxImageColorMap *colorMap,
+ Stream *maskStr,
+ int maskWidth, int maskHeight,
+ GfxImageColorMap *maskColorMap);
+
+#if OPI_SUPPORT
+ //----- OPI functions
+ virtual void opiBegin(GfxState *state, Dict *opiDict);
+ virtual void opiEnd(GfxState *state, Dict *opiDict);
+#endif
+
+ //----- Type 3 font operators
+ virtual void type3D0(GfxState *state, double wx, double wy) {}
+ virtual void type3D1(GfxState *state, double wx, double wy,
+ double llx, double lly, double urx, double ury) {}
+
+ //----- PostScript XObjects
+ virtual void psXObject(Stream *psStream, Stream *level1Stream) {}
+
+private:
+
+ double defCTM[6]; // default coordinate transform matrix
+ double defICTM[6]; // inverse of default CTM
+};
+
+#endif
git.asbjorn.biz / swftools.git / blobdiff