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qemu/include/ui/qemu-pixman.h

93 lines
3.7 KiB
C

/*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef QEMU_PIXMAN_H
#define QEMU_PIXMAN_H
/* pixman-0.16.0 headers have a redundant declaration */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wredundant-decls"
#include <pixman.h>
#pragma GCC diagnostic pop
/*
* pixman image formats are defined to be native endian,
* that means host byte order on qemu. So we go define
* fixed formats here for cases where it is needed, like
* feeding libjpeg / libpng and writing screenshots.
*/
#if HOST_BIG_ENDIAN
# define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8
# define PIXMAN_BE_x8r8g8b8 PIXMAN_x8r8g8b8
# define PIXMAN_BE_a8r8g8b8 PIXMAN_a8r8g8b8
# define PIXMAN_BE_b8g8r8x8 PIXMAN_b8g8r8x8
# define PIXMAN_BE_b8g8r8a8 PIXMAN_b8g8r8a8
# define PIXMAN_BE_r8g8b8x8 PIXMAN_r8g8b8x8
# define PIXMAN_BE_r8g8b8a8 PIXMAN_r8g8b8a8
# define PIXMAN_BE_x8b8g8r8 PIXMAN_x8b8g8r8
# define PIXMAN_BE_a8b8g8r8 PIXMAN_a8b8g8r8
# define PIXMAN_LE_r8g8b8 PIXMAN_b8g8r8
# define PIXMAN_LE_a8r8g8b8 PIXMAN_b8g8r8a8
# define PIXMAN_LE_x8r8g8b8 PIXMAN_b8g8r8x8
#else
# define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8
# define PIXMAN_BE_x8r8g8b8 PIXMAN_b8g8r8x8
# define PIXMAN_BE_a8r8g8b8 PIXMAN_b8g8r8a8
# define PIXMAN_BE_b8g8r8x8 PIXMAN_x8r8g8b8
# define PIXMAN_BE_b8g8r8a8 PIXMAN_a8r8g8b8
# define PIXMAN_BE_r8g8b8x8 PIXMAN_x8b8g8r8
# define PIXMAN_BE_r8g8b8a8 PIXMAN_a8b8g8r8
# define PIXMAN_BE_x8b8g8r8 PIXMAN_r8g8b8x8
# define PIXMAN_BE_a8b8g8r8 PIXMAN_r8g8b8a8
# define PIXMAN_LE_r8g8b8 PIXMAN_r8g8b8
# define PIXMAN_LE_a8r8g8b8 PIXMAN_a8r8g8b8
# define PIXMAN_LE_x8r8g8b8 PIXMAN_x8r8g8b8
#endif
/* -------------------------------------------------------------------- */
typedef struct PixelFormat {
uint8_t bits_per_pixel;
uint8_t bytes_per_pixel;
uint8_t depth; /* color depth in bits */
uint32_t rmask, gmask, bmask, amask;
uint8_t rshift, gshift, bshift, ashift;
uint8_t rmax, gmax, bmax, amax;
uint8_t rbits, gbits, bbits, abits;
} PixelFormat;
PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
pixman_format_code_t qemu_drm_format_to_pixman(uint32_t drm_format);
uint32_t qemu_pixman_to_drm_format(pixman_format_code_t pixman);
int qemu_pixman_get_type(int rshift, int gshift, int bshift);
pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
bool qemu_pixman_check_format(DisplayChangeListener *dcl,
pixman_format_code_t format);
pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
int width);
void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
int width, int x, int y);
void qemu_pixman_linebuf_copy(pixman_image_t *fb, int width, int x, int y,
pixman_image_t *linebuf);
pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
pixman_image_t *image);
void qemu_pixman_image_unref(pixman_image_t *image);
pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color);
pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
unsigned int ch);
void qemu_pixman_glyph_render(pixman_image_t *glyph,
pixman_image_t *surface,
pixman_color_t *fgcol,
pixman_color_t *bgcol,
int x, int y, int cw, int ch);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(pixman_image_t, qemu_pixman_image_unref)
#endif /* QEMU_PIXMAN_H */