| 1 | #ifndef RGB_STUFF_H |
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| 2 | #define RGB_STUFF_H |
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| 3 | |
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| 4 | #include <gdk/gdk.h> |
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| 5 | #include <gdk-pixbuf/gdk-pixbuf.h> |
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| 6 | #include <libart_lgpl/art_alphagamma.h> |
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| 7 | |
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| 8 | /* combine rgba onto the dest (given the dest has something in it already) */ |
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| 9 | void combine_rgb_rgba(guchar *dest, int dx, int dy, int dw, int dh, int drs, |
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| 10 | guchar *rgba, int rw, int rh, int rrs); |
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| 11 | /* tile an rgb onto dest */ |
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| 12 | void tile_rgb(guchar *dest, int dw, int dh, int offx, int offy, int drs, |
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| 13 | guchar *tile, int w, int h, int rowstride, int has_alpha); |
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| 14 | /* tile an GdkPixBuf onto an rgb buffer*/ |
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| 15 | void tile_rgb_pixbuf(guchar *dest, int dw, int dh, int offx, int offy, int drs, |
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| 16 | GdkPixbuf *pbuf, int scale_w, int scale_h, int rotate); |
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| 17 | |
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| 18 | #if 0 |
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| 19 | /* scale a w by h pixmap into a square of size 'size', optionally rerurn |
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| 20 | outw and outh */ |
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| 21 | void make_scale_affine(double affine[], int w, int h, int size, |
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| 22 | int *outw, int *outh); |
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| 23 | #endif |
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| 24 | |
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| 25 | GdkPixbuf * scale_pixbuf_to_square (GdkPixbuf *pb, int size, int *outw, int *outh, GdkInterpType interp); |
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| 26 | |
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| 27 | #if 0 |
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| 28 | void rgb_rotate270(guchar *dest, int drs, guchar *src, int w, int h, int srs); |
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| 29 | void rgba_rotate270(guchar *dest, int drs, guchar *src, int w, int h, int srs); |
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| 30 | #endif |
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| 31 | |
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| 32 | /* A little function to help me with the right _affine call */ |
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| 33 | void transform_pixbuf(guchar *dst, int x0, int y0, int x1, int y1, int drs, |
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| 34 | GdkPixbuf *pixbuf, double affine[6], |
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| 35 | int level, ArtAlphaGamma *ag); |
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| 36 | |
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| 37 | #endif /* RGB_STUFF_H */ |
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