1 //========================================================================
5 //========================================================================
12 #ifdef USE_GCC_PRAGMAS
16 #include "SplashTypes.h"
20 class SplashXPathScanner;
22 //------------------------------------------------------------------------
24 enum SplashClipResult {
30 //------------------------------------------------------------------------
32 //------------------------------------------------------------------------
37 // Create a clip, for the given rectangle.
38 SplashClip(SplashCoord x0, SplashCoord y0,
39 SplashCoord x1, SplashCoord y1);
42 SplashClip *copy() { return new SplashClip(this); }
46 // Reset the clip to a rectangle.
47 void resetToRect(SplashCoord x0, SplashCoord y0,
48 SplashCoord x1, SplashCoord y1);
50 // Intersect the clip with a rectangle.
51 SplashError clipToRect(SplashCoord x0, SplashCoord y0,
52 SplashCoord x1, SplashCoord y1);
54 // Interesect the clip with <path>.
55 SplashError clipToPath(SplashPath *path, SplashCoord flatness,
58 // Returns true if (<x>,<y>) is inside the clip.
59 GBool test(int x, int y);
61 // Tests a rectangle against the clipping region. Returns one of:
62 // - splashClipAllInside if the entire rectangle is inside the
63 // clipping region, i.e., all pixels in the rectangle are
65 // - splashClipAllOutside if the entire rectangle is outside the
66 // clipping region, i.e., all the pixels in the rectangle are
68 // - splashClipPartial if the rectangle is part inside and part
69 // outside the clipping region
70 SplashClipResult testRect(int rectXMin, int rectYMin,
71 int rectXMax, int rectYMax);
73 // Similar to testRect, but tests a horizontal span.
74 SplashClipResult testSpan(int spanXMin, int spanXMax, int spanY);
78 SplashClip(SplashClip *clip);
79 void grow(int nPaths);
81 int xMin, yMin, xMax, yMax;
84 SplashXPathScanner **scanners;