include/ui/qemu-pixman.h

   1 /*
   2  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   3  * See the COPYING file in the top-level directory.
   4  */
   5
   6 #ifndef QEMU_PIXMAN_H
   7 #define QEMU_PIXMAN_H
   8
   9 /* pixman-0.16.0 headers have a redundant declaration */
  10 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
  11 #pragma GCC diagnostic push
  12 #pragma GCC diagnostic ignored "-Wredundant-decls"
  13 #endif
  14 #include <pixman.h>
  15 #ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
  16 #pragma GCC diagnostic pop
  17 #endif
  18
  19 #include "qemu/typedefs.h"
  20
  21 /*
  22  * pixman image formats are defined to be native endian,
  23  * that means host byte order on qemu.  So we go define
  24  * fixed formats here for cases where it is needed, like
  25  * feeding libjpeg / libpng and writing screenshots.
  26  */
  27
  28 #ifdef HOST_WORDS_BIGENDIAN
  29 # define PIXMAN_BE_r8g8b8     PIXMAN_r8g8b8
  30 # define PIXMAN_BE_x8r8g8b8   PIXMAN_x8r8g8b8
  31 # define PIXMAN_BE_a8r8g8b8   PIXMAN_a8r8g8b8
  32 # define PIXMAN_BE_b8g8r8x8   PIXMAN_b8g8r8x8
  33 # define PIXMAN_BE_b8g8r8a8   PIXMAN_b8g8r8a8
  34 # define PIXMAN_BE_r8g8b8x8   PIXMAN_r8g8b8x8
  35 # define PIXMAN_BE_r8g8b8a8   PIXMAN_r8g8b8a8
  36 # define PIXMAN_BE_x8b8g8r8   PIXMAN_x8b8g8r8
  37 # define PIXMAN_BE_a8b8g8r8   PIXMAN_a8b8g8r8
  38 # define PIXMAN_LE_x8r8g8b8   PIXMAN_b8g8r8x8
  39 #else
  40 # define PIXMAN_BE_r8g8b8     PIXMAN_b8g8r8
  41 # define PIXMAN_BE_x8r8g8b8   PIXMAN_b8g8r8x8
  42 # define PIXMAN_BE_a8r8g8b8   PIXMAN_b8g8r8a8
  43 # define PIXMAN_BE_b8g8r8x8   PIXMAN_x8r8g8b8
  44 # define PIXMAN_BE_b8g8r8a8   PIXMAN_a8r8g8b8
  45 # define PIXMAN_BE_r8g8b8x8   PIXMAN_x8b8g8r8
  46 # define PIXMAN_BE_r8g8b8a8   PIXMAN_a8b8g8r8
  47 # define PIXMAN_BE_x8b8g8r8   PIXMAN_r8g8b8x8
  48 # define PIXMAN_BE_a8b8g8r8   PIXMAN_r8g8b8a8
  49 # define PIXMAN_LE_x8r8g8b8   PIXMAN_x8r8g8b8
  50 #endif
  51
  52 /* -------------------------------------------------------------------- */
  53
  54 PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
  55 pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
  56 int qemu_pixman_get_type(int rshift, int gshift, int bshift);
  57 pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
  58 bool qemu_pixman_check_format(DisplayChangeListener *dcl,
  59                               pixman_format_code_t format);
  60
  61 pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
  62                                            int width);
  63 void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
  64                               int width, int x, int y);
  65 void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
  66                               pixman_image_t *linebuf);
  67 pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
  68                                           pixman_image_t *image);
  69 void qemu_pixman_image_unref(pixman_image_t *image);
  70
  71 pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color);
  72 pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
  73                                                unsigned int ch);
  74 void qemu_pixman_glyph_render(pixman_image_t *glyph,
  75                               pixman_image_t *surface,
  76                               pixman_color_t *fgcol,
  77                               pixman_color_t *bgcol,
  78                               int x, int y, int cw, int ch);
  79
  80 #endif /* QEMU_PIXMAN_H */