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Diffstat (limited to 'kpdf/xpdf/xpdf/PSOutputDev.h')
| -rw-r--r-- | kpdf/xpdf/xpdf/PSOutputDev.h | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/kpdf/xpdf/xpdf/PSOutputDev.h b/kpdf/xpdf/xpdf/PSOutputDev.h new file mode 100644 index 00000000..36c0e8b6 --- /dev/null +++ b/kpdf/xpdf/xpdf/PSOutputDev.h @@ -0,0 +1,391 @@ +//======================================================================== +// +// PSOutputDev.h +// +// Copyright 1996-2003 Glyph & Cog, LLC +// +//======================================================================== + +#ifndef PSOUTPUTDEV_H +#define PSOUTPUTDEV_H + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +#include <stddef.h> +#include "config.h" +#include "Object.h" +#include "GlobalParams.h" +#include "OutputDev.h" + +class Function; +class GfxPath; +class GfxFont; +class GfxColorSpace; +class GfxSeparationColorSpace; +class PDFRectangle; +struct PSFont8Info; +struct PSFont16Enc; +class PSOutCustomColor; + +//------------------------------------------------------------------------ +// PSOutputDev +//------------------------------------------------------------------------ + +enum PSOutMode { + psModePS, + psModeEPS, + psModeForm +}; + +enum PSFileType { + psFile, // write to file + psPipe, // write to pipe + psStdout, // write to stdout + psGeneric // write to a generic stream +}; + +typedef void (*PSOutputFunc)(void *stream, char *data, int len); + +class PSOutputDev: public OutputDev { +public: + + // Open a PostScript output file, and write the prolog. + PSOutputDev(char *fileName, char *pstitle, XRef *xrefA, Catalog *catalog, + int firstPage, int lastPage, PSOutMode modeA, + int imgLLXA = 0, int imgLLYA = 0, + int imgURXA = 0, int imgURYA = 0, + GBool forceRasterize = gFalse, + GBool manualCtrlA = gFalse); + + // Destructor -- writes the trailer and closes the file. + virtual ~PSOutputDev(); + + // Check if file was successfully created. + virtual GBool isOk() { return ok; } + + //---- 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() { return gFalse; } + + // Does this device use drawChar() or drawString()? + virtual GBool useDrawChar() { return gFalse; } + + // 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 gTrue; } + + // 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 level >= psLevel2; } + + // Does this device use drawForm()? If this returns false, + // form-type XObjects will be interpreted (i.e., unrolled). + virtual GBool useDrawForm() { return preload; } + + // Does this device use beginType3Char/endType3Char? Otherwise, + // text in Type 3 fonts will be drawn with drawChar/drawString. + virtual GBool interpretType3Chars() { return gFalse; } + + //----- header/trailer (used only if manualCtrl is true) + + // Write the document-level header. + void writeHeader(int firstPage, int lastPage, + PDFRectangle *mediaBox, PDFRectangle *cropBox, + int pageRotate, char *pstitle); + + // Write the Xpdf procset. + void writeXpdfProcset(); + + // Write the document-level setup. + void writeDocSetup(Catalog *catalog, int firstPage, int lastPage); + + // Write the trailer for the current page. + void writePageTrailer(); + + // Write the document trailer. + void writeTrailer(); + + //----- initialization and control + + // Check to see if a page slice should be displayed. If this + // returns false, the page display is aborted. Typically, an + // OutputDev will use some alternate means to display the page + // before returning false. + virtual GBool checkPageSlice(Page *page, double hDPI, double vDPI, + int rotate, GBool useMediaBox, GBool crop, + int sliceX, int sliceY, int sliceW, int sliceH, + GBool printing, Catalog *catalog, + GBool (*abortCheckCbk)(void *data) = NULL, + void *abortCheckCbkData = NULL); + + // Start a page. + virtual void startPage(int pageNum, GfxState *state); + + // End a page. + virtual void endPage(); + + //----- save/restore graphics state + virtual void saveState(GfxState *state); + virtual void restoreState(GfxState *state); + + //----- update graphics 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 updateFillOverprint(GfxState *state); + virtual void updateStrokeOverprint(GfxState *state); + virtual void updateTransfer(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 GBool functionShadedFill(GfxState *state, + GfxFunctionShading *shading); + virtual GBool axialShadedFill(GfxState *state, GfxAxialShading *shading); + virtual GBool radialShadedFill(GfxState *state, GfxRadialShading *shading); + + //----- path clipping + virtual void clip(GfxState *state); + virtual void eoClip(GfxState *state); + virtual void clipToStrokePath(GfxState *state); + + //----- text drawing + virtual void drawString(GfxState *state, GString *s); + 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); + +#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); + + //----- form XObjects + virtual void drawForm(Ref ref); + + //----- PostScript XObjects + virtual void psXObject(Stream *psStream, Stream *level1Stream); + + //----- miscellaneous + void setOffset(double x, double y) + { tx0 = x; ty0 = y; } + void setScale(double x, double y) + { xScale0 = x; yScale0 = y; } + void setRotate(int rotateA) + { rotate0 = rotateA; } + void setClip(double llx, double lly, double urx, double ury) + { clipLLX0 = llx; clipLLY0 = lly; clipURX0 = urx; clipURY0 = ury; } + void setUnderlayCbk(void (*cbk)(PSOutputDev *psOut, void *data), + void *data) + { underlayCbk = cbk; underlayCbkData = data; } + void setOverlayCbk(void (*cbk)(PSOutputDev *psOut, void *data), + void *data) + { overlayCbk = cbk; overlayCbkData = data; } + +private: + + void init(PSOutputFunc outputFuncA, void *outputStreamA, + PSFileType fileTypeA, char *pstitle, XRef *xrefA, Catalog *catalog, + int firstPage, int lastPage, PSOutMode modeA, + int imgLLXA, int imgLLYA, int imgURXA, int imgURYA, + GBool manualCtrlA); + void setupResources(Dict *resDict); + void setupFonts(Dict *resDict); + void setupFont(GfxFont *font, Dict *parentResDict); + void setupEmbeddedType1Font(Ref *id, GString *psName); + void setupExternalType1Font(GString *fileName, GString *psName); + void setupEmbeddedType1CFont(GfxFont *font, Ref *id, GString *psName); + void setupEmbeddedOpenTypeT1CFont(GfxFont *font, Ref *id, GString *psName); + void setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id, GString *psName); + GString *setupExternalTrueTypeFont(GfxFont *font); + void setupEmbeddedCIDType0Font(GfxFont *font, Ref *id, GString *psName); + void setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id, GString *psName, + GBool needVerticalMetrics); + void setupEmbeddedOpenTypeCFFFont(GfxFont *font, Ref *id, GString *psName); + GString *setupExternalCIDTrueTypeFont(GfxFont *font, GString *fileName, int faceIndex=0); + void setupType3Font(GfxFont *font, GString *psName, Dict *parentResDict); + void setupImages(Dict *resDict); + void setupImage(Ref id, Stream *str); + void setupForms(Dict *resDict); + void setupForm(Ref id, Object *strObj); + void addProcessColor(double c, double m, double y, double k); + void addCustomColor(GfxSeparationColorSpace *sepCS); + void doPath(GfxPath *path); + void doImageL1(Object *ref, GfxImageColorMap *colorMap, + GBool invert, GBool inlineImg, + Stream *str, int width, int height, int len); + void doImageL1Sep(GfxImageColorMap *colorMap, + GBool invert, GBool inlineImg, + Stream *str, int width, int height, int len); + void doImageL2(Object *ref, GfxImageColorMap *colorMap, + GBool invert, GBool inlineImg, + Stream *str, int width, int height, int len, + int *maskColors, Stream *maskStr, + int maskWidth, int maskHeight, GBool maskInvert); + void doImageL3(Object *ref, GfxImageColorMap *colorMap, + GBool invert, GBool inlineImg, + Stream *str, int width, int height, int len, + int *maskColors, Stream *maskStr, + int maskWidth, int maskHeight, GBool maskInvert); + void dumpColorSpaceL2(GfxColorSpace *colorSpace, + GBool genXform, GBool updateColors, + GBool map01); +#if OPI_SUPPORT + void opiBegin20(GfxState *state, Dict *dict); + void opiBegin13(GfxState *state, Dict *dict); + void opiTransform(GfxState *state, double x0, double y0, + double *x1, double *y1); + GBool getFileSpec(Object *fileSpec, Object *fileName); +#endif + void cvtFunction(Function *func); + void writePSChar(char c); + void writePS(char *s); + void writePSFmt(const char *fmt, ...); + void writePSString(GString *s); + void writePSName(char *s); + GString *filterPSName(GString *name); + void writePSTextLine(GString *s); + + PSLevel level; // PostScript level (1, 2, separation) + PSOutMode mode; // PostScript mode (PS, EPS, form) + int paperWidth; // width of paper, in pts + int paperHeight; // height of paper, in pts + int imgLLX, imgLLY, // imageable area, in pts + imgURX, imgURY; + GBool preload; // load all images into memory, and + // predefine forms + + PSOutputFunc outputFunc; + void *outputStream; + PSFileType fileType; // file / pipe / stdout + GBool manualCtrl; + int seqPage; // current sequential page number + void (*underlayCbk)(PSOutputDev *psOut, void *data); + void *underlayCbkData; + void (*overlayCbk)(PSOutputDev *psOut, void *data); + void *overlayCbkData; + + XRef *xref; // the xref table for this PDF file + + Ref *fontIDs; // list of object IDs of all used fonts + int fontIDLen; // number of entries in fontIDs array + int fontIDSize; // size of fontIDs array + Ref *fontFileIDs; // list of object IDs of all embedded fonts + int fontFileIDLen; // number of entries in fontFileIDs array + int fontFileIDSize; // size of fontFileIDs array + GString **fontFileNames; // list of names of all embedded external fonts + GString **psFileNames; // list of names of all embedded external ps names + int fontFileNameLen; // number of entries in fontFileNames array + int fontFileNameSize; // size of fontFileNames array + int nextTrueTypeNum; // next unique number to append to a TrueType + // font name + PSFont8Info *font8Info; // info for 8-bit fonts + int font8InfoLen; // number of entries in font8Info array + int font8InfoSize; // size of font8Info array + PSFont16Enc *font16Enc; // encodings for substitute 16-bit fonts + int font16EncLen; // number of entries in font16Enc array + int font16EncSize; // size of font16Enc array + Ref *imgIDs; // list of image IDs for in-memory images + int imgIDLen; // number of entries in imgIDs array + int imgIDSize; // size of imgIDs array + Ref *formIDs; // list of IDs for predefined forms + int formIDLen; // number of entries in formIDs array + int formIDSize; // size of formIDs array + GList *xobjStack; // stack of XObject dicts currently being + // processed + int numSaves; // current number of gsaves + int numTilingPatterns; // current number of nested tiling patterns + int nextFunc; // next unique number to use for a function + + double tx0, ty0; // global translation + double xScale0, yScale0; // global scaling + int rotate0; // rotation angle (0, 90, 180, 270) + double clipLLX0, clipLLY0, + clipURX0, clipURY0; + double tx, ty; // global translation for current page + double xScale, yScale; // global scaling for current page + int rotate; // rotation angle for current page + double epsX1, epsY1, // EPS bounding box (unrotated) + epsX2, epsY2; + + GString *embFontList; // resource comments for embedded fonts + + int processColors; // used process colors + PSOutCustomColor // used custom colors + *customColors; + + GBool haveTextClip; // set if text has been drawn with a + // clipping render mode + + GBool inType3Char; // inside a Type 3 CharProc + GString *t3String; // Type 3 content string + double t3WX, t3WY, // Type 3 character parameters + t3LLX, t3LLY, t3URX, t3URY; + GBool t3Cacheable; // cleared if char is not cacheable + GBool t3NeedsRestore; // set if a 'q' operator was issued + GBool forceRasterize; // forces the page to be rasterized + +#if OPI_SUPPORT + int opi13Nest; // nesting level of OPI 1.3 objects + int opi20Nest; // nesting level of OPI 2.0 objects +#endif + + GBool ok; // set up ok? + + + friend class WinPDFPrinter; +}; + +#endif |