+++ /dev/null
-//========================================================================
-//
-// Gfx.h
-//
-// Copyright 1996-2003 Glyph & Cog, LLC
-//
-//========================================================================
-
-#ifndef GFX_H
-#define GFX_H
-
-#include <aconf.h>
-
-#ifdef USE_GCC_PRAGMAS
-#pragma interface
-#endif
-
-#include "gtypes.h"
-
-class GString;
-class XRef;
-class Array;
-class Stream;
-class Parser;
-class Dict;
-class OutputDev;
-class GfxFontDict;
-class GfxFont;
-class GfxPattern;
-class GfxTilingPattern;
-class GfxShadingPattern;
-class GfxShading;
-class GfxFunctionShading;
-class GfxAxialShading;
-class GfxRadialShading;
-class GfxGouraudTriangleShading;
-class GfxPatchMeshShading;
-struct GfxPatch;
-class GfxState;
-struct GfxColor;
-class Gfx;
-class PDFRectangle;
-
-//------------------------------------------------------------------------
-// Gfx
-//------------------------------------------------------------------------
-
-enum GfxClipType {
- clipNone,
- clipNormal,
- clipEO
-};
-
-enum TchkType {
- tchkBool, // boolean
- tchkInt, // integer
- tchkNum, // number (integer or real)
- tchkString, // string
- tchkName, // name
- tchkArray, // array
- tchkProps, // properties (dictionary or name)
- tchkSCN, // scn/SCN args (number of name)
- tchkNone // used to avoid empty initializer lists
-};
-
-#define maxArgs 8
-
-struct Operator {
- char name[4];
- int numArgs;
- TchkType tchk[maxArgs];
- void (Gfx::*func)(Object args[], int numArgs);
-};
-
-class GfxResources {
-public:
-
- GfxResources(XRef *xref, Dict *resDict, GfxResources *nextA);
- ~GfxResources();
-
- GfxFont *lookupFont(char *name);
- GBool lookupXObject(char *name, Object *obj);
- GBool lookupXObjectNF(char *name, Object *obj);
- void lookupColorSpace(char *name, Object *obj);
- GfxPattern *lookupPattern(char *name);
- GfxShading *lookupShading(char *name);
- GBool lookupGState(char *name, Object *obj);
-
- GfxResources *getNext() { return next; }
-
-private:
-
- GfxFontDict *fonts;
- Object xObjDict;
- Object colorSpaceDict;
- Object patternDict;
- Object shadingDict;
- Object gStateDict;
- GfxResources *next;
-};
-
-class Gfx {
-public:
-
- // Constructor for regular output.
- Gfx(XRef *xrefA, OutputDev *outA, int pageNum, Dict *resDict,
- double hDPI, double vDPI, PDFRectangle *box,
- PDFRectangle *cropBox, int rotate,
- GBool (*abortCheckCbkA)(void *data) = NULL,
- void *abortCheckCbkDataA = NULL);
-
- // Constructor for a sub-page object.
- Gfx(XRef *xrefA, OutputDev *outA, Dict *resDict,
- PDFRectangle *box, PDFRectangle *cropBox,
- GBool (*abortCheckCbkA)(void *data) = NULL,
- void *abortCheckCbkDataA = NULL);
-
- ~Gfx();
-
- // Interpret a stream or array of streams.
- void display(Object *obj, GBool topLevel = gTrue);
-
- // Display an annotation, given its appearance (a Form XObject) and
- // bounding box (in default user space).
- void doAnnot(Object *str, double xMin, double yMin,
- double xMax, double yMax);
-
- // Save graphics state.
- void saveState();
-
- // Restore graphics state.
- void restoreState();
-
- // Get the current graphics state object.
- GfxState *getState() { return state; }
-
-private:
-
- XRef *xref; // the xref table for this PDF file
- OutputDev *out; // output device
- GBool subPage; // is this a sub-page object?
- GBool printCommands; // print the drawing commands (for debugging)
- GfxResources *res; // resource stack
- int updateLevel;
-
- GfxState *state; // current graphics state
- GBool fontChanged; // set if font or text matrix has changed
- GfxClipType clip; // do a clip?
- int ignoreUndef; // current BX/EX nesting level
- double baseMatrix[6]; // default matrix for most recent
- // page/form/pattern
- int formDepth;
-
- Parser *parser; // parser for page content stream(s)
-
- GBool // callback to check for an abort
- (*abortCheckCbk)(void *data);
- void *abortCheckCbkData;
-
- static Operator opTab[]; // table of operators
-
- void go(GBool topLevel);
- void execOp(Object *cmd, Object args[], int numArgs);
- Operator *findOp(char *name);
- GBool checkArg(Object *arg, TchkType type);
- int getPos();
-
- // graphics state operators
- void opSave(Object args[], int numArgs);
- void opRestore(Object args[], int numArgs);
- void opConcat(Object args[], int numArgs);
- void opSetDash(Object args[], int numArgs);
- void opSetFlat(Object args[], int numArgs);
- void opSetLineJoin(Object args[], int numArgs);
- void opSetLineCap(Object args[], int numArgs);
- void opSetMiterLimit(Object args[], int numArgs);
- void opSetLineWidth(Object args[], int numArgs);
- void opSetExtGState(Object args[], int numArgs);
- void opSetRenderingIntent(Object args[], int numArgs);
-
- // color operators
- void opSetFillGray(Object args[], int numArgs);
- void opSetStrokeGray(Object args[], int numArgs);
- void opSetFillCMYKColor(Object args[], int numArgs);
- void opSetStrokeCMYKColor(Object args[], int numArgs);
- void opSetFillRGBColor(Object args[], int numArgs);
- void opSetStrokeRGBColor(Object args[], int numArgs);
- void opSetFillColorSpace(Object args[], int numArgs);
- void opSetStrokeColorSpace(Object args[], int numArgs);
- void opSetFillColor(Object args[], int numArgs);
- void opSetStrokeColor(Object args[], int numArgs);
- void opSetFillColorN(Object args[], int numArgs);
- void opSetStrokeColorN(Object args[], int numArgs);
-
- // path segment operators
- void opMoveTo(Object args[], int numArgs);
- void opLineTo(Object args[], int numArgs);
- void opCurveTo(Object args[], int numArgs);
- void opCurveTo1(Object args[], int numArgs);
- void opCurveTo2(Object args[], int numArgs);
- void opRectangle(Object args[], int numArgs);
- void opClosePath(Object args[], int numArgs);
-
- // path painting operators
- void opEndPath(Object args[], int numArgs);
- void opStroke(Object args[], int numArgs);
- void opCloseStroke(Object args[], int numArgs);
- void opFill(Object args[], int numArgs);
- void opEOFill(Object args[], int numArgs);
- void opFillStroke(Object args[], int numArgs);
- void opCloseFillStroke(Object args[], int numArgs);
- void opEOFillStroke(Object args[], int numArgs);
- void opCloseEOFillStroke(Object args[], int numArgs);
- void doPatternFill(GBool eoFill);
- void doTilingPatternFill(GfxTilingPattern *tPat, GBool eoFill);
- void doShadingPatternFill(GfxShadingPattern *sPat, GBool eoFill);
- void opShFill(Object args[], int numArgs);
- void doFunctionShFill(GfxFunctionShading *shading);
- void doFunctionShFill1(GfxFunctionShading *shading,
- double x0, double y0,
- double x1, double y1,
- GfxColor *colors, int depth);
- void doAxialShFill(GfxAxialShading *shading);
- void doRadialShFill(GfxRadialShading *shading);
- void doGouraudTriangleShFill(GfxGouraudTriangleShading *shading);
- void gouraudFillTriangle(double x0, double y0, GfxColor *color0,
- double x1, double y1, GfxColor *color1,
- double x2, double y2, GfxColor *color2,
- int nComps, int depth);
- void doPatchMeshShFill(GfxPatchMeshShading *shading);
- void fillPatch(GfxPatch *patch, int nComps, int depth);
- void doEndPath();
-
- // path clipping operators
- void opClip(Object args[], int numArgs);
- void opEOClip(Object args[], int numArgs);
-
- // text object operators
- void opBeginText(Object args[], int numArgs);
- void opEndText(Object args[], int numArgs);
-
- // text state operators
- void opSetCharSpacing(Object args[], int numArgs);
- void opSetFont(Object args[], int numArgs);
- void opSetTextLeading(Object args[], int numArgs);
- void opSetTextRender(Object args[], int numArgs);
- void opSetTextRise(Object args[], int numArgs);
- void opSetWordSpacing(Object args[], int numArgs);
- void opSetHorizScaling(Object args[], int numArgs);
-
- // text positioning operators
- void opTextMove(Object args[], int numArgs);
- void opTextMoveSet(Object args[], int numArgs);
- void opSetTextMatrix(Object args[], int numArgs);
- void opTextNextLine(Object args[], int numArgs);
-
- // text string operators
- void opShowText(Object args[], int numArgs);
- void opMoveShowText(Object args[], int numArgs);
- void opMoveSetShowText(Object args[], int numArgs);
- void opShowSpaceText(Object args[], int numArgs);
- void doShowText(GString *s);
-
- // XObject operators
- void opXObject(Object args[], int numArgs);
- void doImage(Object *ref, Stream *str, GBool inlineImg);
- void doForm(Object *str);
- void doForm1(Object *str, Dict *resDict, double *matrix, double *bbox);
-
- // in-line image operators
- void opBeginImage(Object args[], int numArgs);
- Stream *buildImageStream();
- void opImageData(Object args[], int numArgs);
- void opEndImage(Object args[], int numArgs);
-
- // type 3 font operators
- void opSetCharWidth(Object args[], int numArgs);
- void opSetCacheDevice(Object args[], int numArgs);
-
- // compatibility operators
- void opBeginIgnoreUndef(Object args[], int numArgs);
- void opEndIgnoreUndef(Object args[], int numArgs);
-
- // marked content operators
- void opBeginMarkedContent(Object args[], int numArgs);
- void opEndMarkedContent(Object args[], int numArgs);
- void opMarkPoint(Object args[], int numArgs);
-
- void pushResources(Dict *resDict);
- void popResources();
-};
-
-#endif
git.asbjorn.biz / swftools.git / blobdiff