Commit da7b8eae authored by nobody's avatar nobody
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'kpdf_experiments'.

svn path=/branches/kpdf_experiments/kdegraphics/kpdf/; revision=360215
parents 4fca42dd 2cb22b69
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//========================================================================
//
// 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;
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, const char *data, int len);
class PSOutputDev: public OutputDev {
public:
// Open a PostScript output file, and write the prolog.
PSOutputDev(const 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, 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);
#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, GString *psName);
void setupExternalType1Font(GString *fileName, GString *psName);
void setupEmbeddedType1CFont(GfxFont *font, Ref *id, GString *psName);
void setupEmbeddedTrueTypeFont(GfxFont *font, Ref *id, GString *psName);
void setupExternalTrueTypeFont(GfxFont *font, GString *psName);
void setupEmbeddedCIDType0Font(GfxFont *font, Ref *id, GString *psName);
void setupEmbeddedCIDTrueTypeFont(GfxFont *font, Ref *id, GString *psName);
void setupType3Font(GfxFont *font, GString *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(const char *s);
void writePSFmt(const char *fmt, ...);
void writePSString(GString *s);
void writePSName(const 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
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
GString **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
GList *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
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
#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
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