You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
248 lines
8.3 KiB
248 lines
8.3 KiB
//======================================================================== |
|
// |
|
// 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 GfxPath; |
|
class GfxFont; |
|
class GfxColorSpace; |
|
class GfxSeparationColorSpace; |
|
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); |
|
|
|
// 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); |
|
|
|
// 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; } |
|
|
|
//----- 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, GString *s); |
|
|
|
//----- 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); |
|
|
|
|
|
private: |
|
|
|
void init(PSOutputFunc outputFuncA, void *outputStreamA, |
|
PSFileType fileTypeA, XRef *xrefA, Catalog *catalog, |
|
int firstPage, int lastPage, PSOutMode modeA); |
|
void setupResources(Dict *resDict); |
|
void setupFonts(Dict *resDict); |
|
void setupFont(GfxFont *font, Dict *parentResDict); |
|
void setupEmbeddedType1Font(Ref *id, char *psName); |
|
void setupExternalType1Font(GString *fileName, char *psName); |
|
void setupEmbeddedType1CFont(GfxFont *font, Ref *id, char *psName); |
|
void setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id, char *psName); |
|
void setupExternalTrueTypeFont(GfxFont *font, char *psName); |
|
void setupEmbeddedCIDType0Font(GfxFont *font, Ref *id, char *psName); |
|
void setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id, char *psName); |
|
void setupType3Font(GfxFont *font, char *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(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(GString *s); |
|
void writePSName(char *s); |
|
GString *filterPSName(GString *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 |
|
|
|
PSOutputFunc outputFunc; |
|
void *outputStream; |
|
PSFileType fileType; // file / pipe / stdout |
|
int seqPage; // current sequential page number |
|
|
|
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 |
|
int fontFileNameLen; // number of entries in fontFileNames array |
|
int fontFileNameSize; // size of fontFileNames array |
|
PSFont16Enc *font16Enc; // encodings for substitute 16-bit fonts |
|
int font16EncLen; // number of entries in font16Enc array |
|
int font16EncSize; // size of font16Enc array |
|
GList *xobjStack; // stack of XObject dicts currently being |
|
// processed |
|
|
|
double tx, ty; // global translation |
|
double xScale, yScale; // global scaling |
|
GBool landscape; // true for landscape, false for portrait |
|
|
|
GString *embFontList; // resource comments for embedded fonts |
|
|
|
int processColors; // used process colors |
|
PSOutCustomColor // used custom colors |
|
*customColors; |
|
|
|
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 |
|
|
|
#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? |
|
|
|
}; |
|
|
|
#endif
|
|
|