| //======================================================================== |
| // |
| // PSOutputDev.h |
| // |
| // Copyright 1996-2003 Glyph & Cog, LLC |
| // |
| //======================================================================== |
| |
| #ifndef PSOUTPUTDEV_H |
| #define PSOUTPUTDEV_H |
| |
| #ifdef USE_GCC_PRAGMAS |
| #pragma interface |
| #endif |
| |
| #include <poppler-config.h> |
| #include <stddef.h> |
| #include "Object.h" |
| #include "GlobalParams.h" |
| #include "OutputDev.h" |
| |
| class GfxPath; |
| class GfxFont; |
| class GfxColorSpace; |
| class GfxSeparationColorSpace; |
| class PDFRectangle; |
| 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, XRef *xrefA, Catalog *catalog, |
| int firstPage, int lastPage, PSOutMode modeA, |
| int imgLLXA = 0, int imgLLYA = 0, |
| int imgURXA = 0, int imgURYA = 0, |
| GBool manualCtrlA = gFalse); |
| |
| // Open a PSOutputDev that will write to a generic stream. |
| PSOutputDev(PSOutputFunc outputFuncA, void *outputStreamA, |
| XRef *xrefA, Catalog *catalog, |
| int firstPage, int lastPage, PSOutMode modeA, |
| int imgLLXA = 0, int imgLLYA = 0, |
| int imgURXA = 0, int imgURYA = 0, |
| 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 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); |
| |
| // Write the Xpdf procset. |
| void writeXpdfProcset(); |
| |
| // Write the document-level setup. |
| void writeDocSetup(Catalog *catalog, int firstPage, int lastPage); |
| |
| // Write the setup for the current page. |
| void writePageSetup(); |
| |
| // Write the trailer for the current page. |
| void writePageTrailer(); |
| |
| // Write the document trailer. |
| void writeTrailer(); |
| |
| //----- initialization and control |
| |
| // 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 updateFillColor(GfxState *state); |
| virtual void updateStrokeColor(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); |
| |
| //----- path clipping |
| virtual void clip(GfxState *state); |
| virtual void eoClip(GfxState *state); |
| |
| //----- text drawing |
| virtual void drawString(GfxState *state, GooString *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); |
| |
| #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); |
| |
| //----- 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, 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, GooString *psName); |
| void setupExternalType1Font(GooString *fileName, GooString *psName); |
| void setupEmbeddedType1CFont(GfxFont *font, Ref *id, GooString *psName); |
| void setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id, GooString *psName); |
| void setupExternalTrueTypeFont(GfxFont *font, GooString *psName); |
| void setupEmbeddedCIDType0Font(GfxFont *font, Ref *id, GooString *psName); |
| void setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id, GooString *psName); |
| void setupType3Font(GfxFont *font, GooString *psName, Dict *parentResDict); |
| void setupImages(Dict *resDict); |
| void setupImage(Ref id, Stream *str); |
| 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); |
| void dumpColorSpaceL2(GfxColorSpace *colorSpace); |
| #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 writePSChar(char c); |
| void writePS(char *s); |
| void writePSFmt(const char *fmt, ...); |
| void writePSString(GooString *s); |
| void writePSName(char *s); |
| GooString *filterPSName(GooString *name); |
| |
| 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; |
| |
| 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 |
| GooString **fontFileNames; // list of names of all embedded external fonts |
| 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 |
| PSFont16Enc *font16Enc; // encodings for substitute 16-bit fonts |
| int font16EncLen; // number of entries in font16Enc array |
| int font16EncSize; // size of font16Enc array |
| GooList *xobjStack; // stack of XObject dicts currently being |
| // processed |
| int numSaves; // current number of gsaves |
| |
| 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 |
| |
| GooString *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 |
| GooString *t3String; // Type 3 content string |
| double t3WX, t3WY, // Type 3 character parameters |
| t3LLX, t3LLY, t3URX, t3URY; |
| GBool t3Cacheable; // cleared if char is not cacheable |
| |
| #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 |
