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author | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
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committer | toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2009-11-25 17:56:58 +0000 |
commit | 47d455dd55be855e4cc691c32f687f723d9247ee (patch) | |
tree | 52e236aaa2576bdb3840ebede26619692fed6d7d /kpdf/xpdf/splash/SplashPath.h | |
download | tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip |
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kpdf/xpdf/splash/SplashPath.h')
-rw-r--r-- | kpdf/xpdf/splash/SplashPath.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/kpdf/xpdf/splash/SplashPath.h b/kpdf/xpdf/splash/SplashPath.h new file mode 100644 index 00000000..b63ee5df --- /dev/null +++ b/kpdf/xpdf/splash/SplashPath.h @@ -0,0 +1,121 @@ +//======================================================================== +// +// SplashPath.h +// +//======================================================================== + +#ifndef SPLASHPATH_H +#define SPLASHPATH_H + +#include <aconf.h> + +#ifdef USE_GCC_PRAGMAS +#pragma interface +#endif + +#include "SplashTypes.h" + +//------------------------------------------------------------------------ +// SplashPathPoint +//------------------------------------------------------------------------ + +struct SplashPathPoint { + SplashCoord x, y; +}; + +//------------------------------------------------------------------------ +// SplashPath.flags +//------------------------------------------------------------------------ + +// first point on each subpath sets this flag +#define splashPathFirst 0x01 + +// last point on each subpath sets this flag +#define splashPathLast 0x02 + +// if the subpath is closed, its first and last points must be +// identical, and must set this flag +#define splashPathClosed 0x04 + +// curve control points set this flag +#define splashPathCurve 0x08 + +//------------------------------------------------------------------------ +// SplashPathHint +//------------------------------------------------------------------------ + +struct SplashPathHint { + int ctrl0, ctrl1; + int firstPt, lastPt; +}; + +//------------------------------------------------------------------------ +// SplashPath +//------------------------------------------------------------------------ + +class SplashPath { +public: + + // Create an empty path. + SplashPath(); + + // Copy a path. + SplashPath *copy() { return new SplashPath(this); } + + ~SplashPath(); + + // Append <path> to <this>. + void append(SplashPath *path); + + // Start a new subpath. + SplashError moveTo(SplashCoord x, SplashCoord y); + + // Add a line segment to the last subpath. + SplashError lineTo(SplashCoord x, SplashCoord y); + + // Add a third-order (cubic) Bezier curve segment to the last + // subpath. + SplashError curveTo(SplashCoord x1, SplashCoord y1, + SplashCoord x2, SplashCoord y2, + SplashCoord x3, SplashCoord y3); + + // Close the last subpath, adding a line segment if necessary. + SplashError close(); + + // Add a stroke adjustment hint. The controlling segments are + // <ctrl0> and <ctrl1> (where segments are identified by their first + // point), and the points to be adjusted are <firstPt> .. <lastPt>. + void addStrokeAdjustHint(int ctrl0, int ctrl1, int firstPt, int lastPt); + + // Add (<dx>, <dy>) to every point on this path. + void offset(SplashCoord dx, SplashCoord dy); + + // Get the points on the path. + int getLength() { return length; } + void getPoint(int i, double *x, double *y, Guchar *f) + { *x = pts[i].x; *y = pts[i].y; *f = flags[i]; } + + // Get the current point. + GBool getCurPt(SplashCoord *x, SplashCoord *y); + +private: + + SplashPath(SplashPath *path); + void grow(int nPts); + GBool noCurrentPoint() { return curSubpath == length; } + GBool onePointSubpath() { return curSubpath == length - 1; } + GBool openSubpath() { return curSubpath < length - 1; } + + SplashPathPoint *pts; // array of points + Guchar *flags; // array of flags + int length, size; // length/size of the pts and flags arrays + int curSubpath; // index of first point in last subpath + + SplashPathHint *hints; // list of hints + int hintsLength, hintsSize; + + friend class SplashXPath; + friend class Splash; +}; + +#endif |