//
// GfxState.h
//
-// Copyright 1996-2002 Glyph & Cog, LLC
+// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
#ifndef GFXSTATE_H
#define GFXSTATE_H
-#ifdef __GNUC__
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
#pragma interface
#endif
class Array;
class GfxFont;
-struct PDFRectangle;
+class PDFRectangle;
+class GfxShading;
//------------------------------------------------------------------------
// GfxColor
// GfxColorSpace
//------------------------------------------------------------------------
+// NB: The nGfxColorSpaceModes constant and the gfxColorSpaceModeNames
+// array defined in GfxState.cc must match this enum.
enum GfxColorSpaceMode {
csDeviceGray,
csCalGray,
virtual void getDefaultRanges(double *decodeLow, double *decodeRange,
int maxImgPixel);
+ // Return the number of color space modes
+ static int getNumColorSpaceModes();
+
+ // Return the name of the <idx>th color space mode.
+ static char *getColorSpaceModeName(int idx);
+
private:
};
GfxColorSpace *getBase() { return base; }
int getIndexHigh() { return indexHigh; }
Guchar *getLookup() { return lookup; }
+ GfxColor *mapColorToBase(GfxColor *color, GfxColor *baseColor);
private:
class GfxDeviceNColorSpace: public GfxColorSpace {
public:
- GfxDeviceNColorSpace(int nComps, GfxColorSpace *alt, Function *func);
+ GfxDeviceNColorSpace(int nCompsA, GfxColorSpace *alt, Function *func);
virtual ~GfxDeviceNColorSpace();
virtual GfxColorSpace *copy();
virtual GfxColorSpaceMode getMode() { return csDeviceN; }
virtual int getNComps() { return nComps; }
// DeviceN-specific access.
+ GString *getColorantName(int i) { return names[i]; }
GfxColorSpace *getAlt() { return alt; }
+ Function *getTintTransformFunc() { return func; }
private:
*names[gfxColorMaxComps];
GfxColorSpace *alt; // alternate color space
Function *func; // tint transform (into alternate color space)
-
};
//------------------------------------------------------------------------
class GfxTilingPattern: public GfxPattern {
public:
- GfxTilingPattern(Dict *streamDict, Object *stream);
+ static GfxTilingPattern *parse(Object *patObj);
virtual ~GfxTilingPattern();
virtual GfxPattern *copy();
private:
- GfxTilingPattern(GfxTilingPattern *pat);
+ GfxTilingPattern(int paintTypeA, int tilingTypeA,
+ double *bboxA, double xStepA, double yStepA,
+ Object *resDictA, double *matrixA,
+ Object *contentStreamA);
int paintType;
int tilingType;
};
//------------------------------------------------------------------------
+// GfxShadingPattern
+//------------------------------------------------------------------------
+
+class GfxShadingPattern: public GfxPattern {
+public:
+
+ static GfxShadingPattern *parse(Object *patObj);
+ virtual ~GfxShadingPattern();
+
+ virtual GfxPattern *copy();
+
+ GfxShading *getShading() { return shading; }
+ double *getMatrix() { return matrix; }
+
+private:
+
+ GfxShadingPattern(GfxShading *shadingA, double *matrixA);
+
+ GfxShading *shading;
+ double matrix[6];
+};
+
+//------------------------------------------------------------------------
// GfxShading
//------------------------------------------------------------------------
class GfxShading {
public:
- GfxShading();
+ GfxShading(int typeA);
+ GfxShading(GfxShading *shading);
virtual ~GfxShading();
static GfxShading *parse(Object *obj);
+ virtual GfxShading *copy() = 0;
+
int getType() { return type; }
GfxColorSpace *getColorSpace() { return colorSpace; }
GfxColor *getBackground() { return &background; }
{ *xMinA = xMin; *yMinA = yMin; *xMaxA = xMax; *yMaxA = yMax; }
GBool getHasBBox() { return hasBBox; }
-private:
+protected:
+
+ GBool init(Dict *dict);
int type;
GfxColorSpace *colorSpace;
};
//------------------------------------------------------------------------
+// GfxFunctionShading
+//------------------------------------------------------------------------
+
+class GfxFunctionShading: public GfxShading {
+public:
+
+ GfxFunctionShading(double x0A, double y0A,
+ double x1A, double y1A,
+ double *matrixA,
+ Function **funcsA, int nFuncsA);
+ GfxFunctionShading(GfxFunctionShading *shading);
+ virtual ~GfxFunctionShading();
+
+ static GfxFunctionShading *parse(Dict *dict);
+
+ virtual GfxShading *copy();
+
+ void getDomain(double *x0A, double *y0A, double *x1A, double *y1A)
+ { *x0A = x0; *y0A = y0; *x1A = x1; *y1A = y1; }
+ double *getMatrix() { return matrix; }
+ void getColor(double x, double y, GfxColor *color);
+
+private:
+
+ double x0, y0, x1, y1;
+ double matrix[6];
+ Function *funcs[gfxColorMaxComps];
+ int nFuncs;
+};
+
+//------------------------------------------------------------------------
// GfxAxialShading
//------------------------------------------------------------------------
double t0A, double t1A,
Function **funcsA, int nFuncsA,
GBool extend0A, GBool extend1A);
+ GfxAxialShading(GfxAxialShading *shading);
virtual ~GfxAxialShading();
static GfxAxialShading *parse(Dict *dict);
+ virtual GfxShading *copy();
+
void getCoords(double *x0A, double *y0A, double *x1A, double *y1A)
{ *x0A = x0; *y0A = y0; *x1A = x1; *y1A = y1; }
double getDomain0() { return t0; }
double t0A, double t1A,
Function **funcsA, int nFuncsA,
GBool extend0A, GBool extend1A);
+ GfxRadialShading(GfxRadialShading *shading);
virtual ~GfxRadialShading();
static GfxRadialShading *parse(Dict *dict);
+ virtual GfxShading *copy();
+
void getCoords(double *x0A, double *y0A, double *r0A,
double *x1A, double *y1A, double *r1A)
{ *x0A = x0; *y0A = y0; *r0A = r0; *x1A = x1; *y1A = y1; *r1A = r1; }
// Destructor.
~GfxImageColorMap();
+ // Return a copy of this color map.
+ GfxImageColorMap *copy() { return new GfxImageColorMap(this); }
+
// Is color map valid?
GBool isOk() { return ok; }
void getGray(Guchar *x, double *gray);
void getRGB(Guchar *x, GfxRGB *rgb);
void getCMYK(Guchar *x, GfxCMYK *cmyk);
+ void getColor(Guchar *x, GfxColor *color);
private:
+ GfxImageColorMap(GfxImageColorMap *colorMap);
+
GfxColorSpace *colorSpace; // the image color space
int bits; // bits per component
int nComps; // number of components in a pixel
void close();
GBool isClosed() { return closed; }
+ // Add (<dx>, <dy>) to each point in the subpath.
+ void offset(double dx, double dy);
+
private:
double *x, *y; // points
// Close the last subpath.
void close();
+ // Append <path> to <this>.
+ void append(GfxPath *path);
+
+ // Add (<dx>, <dy>) to each point in the path.
+ void offset(double dx, double dy);
+
private:
GBool justMoved; // set if a new subpath was just started
class GfxState {
public:
- // Construct a default GfxState, for a device with resolution <dpi>,
- // page box <pageBox>, page rotation <rotate>, and coordinate system
- // specified by <upsideDown>.
- GfxState(double dpi, PDFRectangle *pageBox, int rotate,
- GBool upsideDown);
+ // Construct a default GfxState, for a device with resolution <hDPI>
+ // x <vDPI>, page box <pageBox>, page rotation <rotate>, and
+ // coordinate system specified by <upsideDown>.
+ GfxState(double hDPI, double vDPI, PDFRectangle *pageBox,
+ int rotate, GBool upsideDown);
// Destructor.
~GfxState();
void getFillGray(double *gray)
{ fillColorSpace->getGray(&fillColor, gray); }
void getStrokeGray(double *gray)
- { strokeColorSpace->getGray(&fillColor, gray); }
+ { strokeColorSpace->getGray(&strokeColor, gray); }
void getFillRGB(GfxRGB *rgb)
{ fillColorSpace->getRGB(&fillColor, rgb); }
void getStrokeRGB(GfxRGB *rgb)
double getRise() { return rise; }
int getRender() { return render; }
GfxPath *getPath() { return path; }
+ void setPath(GfxPath *pathA);
double getCurX() { return curX; }
double getCurY() { return curY; }
void getClipBBox(double *xMin, double *yMin, double *xMax, double *yMax)
void clip();
// Text position.
+ void textSetPos(double tx, double ty) { lineX = tx; lineY = ty; }
void textMoveTo(double tx, double ty)
{ lineX = tx; lineY = ty; textTransform(tx, ty, &curX, &curY); }
void textShift(double tx, double ty);
git.asbjorn.biz / swftools.git / blobdiff