Pileus Git - ~andy/gtk/blob - gdk-pixbuf/pixops/pixops.h

   1 #include <libart_lgpl/art_misc.h>
   2 #include <libart_lgpl/art_filterlevel.h>
   3
   4 /* Scale src_buf from src_width / src_height by factors scale_x, scale_y
   5  * and composite the portion corresponding to
   6  * render_x, render_y, render_width, render_height in the new
   7  * coordinate system into dest_buf starting at 0, 0
   8  */
   9 void pixops_composite (art_u8         *dest_buf,
  10                        int             render_x0,
  11                        int             render_y0,
  12                        int             render_x1,
  13                        int             render_y1,
  14                        int             dest_rowstride,
  15                        int             dest_channels,
  16                        int             dest_has_alpha,
  17                        art_u8         *src_buf,
  18                        int             src_width,
  19                        int             src_height,
  20                        int             src_rowstride,
  21                        int             src_channels,
  22                        int             src_has_alpha,
  23                        double          scale_x,
  24                        double          scale_y,
  25                        ArtFilterLevel  filter_level,
  26                        int             overall_alpha);
  27
  28 /* Scale src_buf from src_width / src_height by factors scale_x, scale_y
  29  * and composite the portion corresponding to
  30  * render_x, render_y, render_width, render_height in the new
  31  * coordinate system against a checkboard with checks of size check_size
  32  * of the colors color1 and color2 into dest_buf starting at 0, 0
  33  */
  34 void pixops_composite_color (art_u8         *dest_buf,
  35                              int             render_x0,
  36                              int             render_y0,
  37                              int             render_x1,
  38                              int             render_y1,
  39                              int             dest_rowstride,
  40                              int             dest_channels,
  41                              int             dest_has_alpha,
  42                              art_u8         *src_buf,
  43                              int             src_width,
  44                              int             src_height,
  45                              int             src_rowstride,
  46                              int             src_channels,
  47                              int             src_has_alpha,
  48                              double          scale_x,
  49                              double          scale_y,
  50                              ArtFilterLevel  filter_level,
  51                              int             overall_alpha,
  52                              int             check_x,
  53                              int             check_y,
  54                              int             check_size,
  55                              art_u32         color1,
  56                              art_u32         color2);
  57
  58 /* Scale src_buf from src_width / src_height by factors scale_x, scale_y
  59  * and composite the portion corresponding to
  60  * render_x, render_y, render_width, render_height in the new
  61  * coordinate system into dest_buf starting at 0, 0
  62  */
  63 void pixops_scale     (art_u8         *dest_buf,
  64                        int             render_x0,
  65                        int             render_y0,
  66                        int             render_x1,
  67                        int             render_y1,
  68                        int             dest_rowstride,
  69                        int             dest_channels,
  70                        int             dest_has_alpha,
  71                        art_u8         *src_buf,
  72                        int             src_width,
  73                        int             src_height,
  74                        int             src_rowstride,
  75                        int             src_channels,
  76                        int             src_has_alpha,
  77                        double          scale_x,
  78                        double          scale_y,
  79                        ArtFilterLevel  filter_level);
  80