qemu/include/ui/qemu-pixman.h
Gerd Hoffmann 43c7d8bd44 console: add qemu_pixman_linebuf_copy
Helper function for copying data from linebuf to framebuffer using
pixman, possibly converting in case src and dst formats differ.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-05 13:27:11 +02:00

61 lines
2.2 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 */
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wredundant-decls"
#endif
#include <pixman.h>
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
#pragma GCC diagnostic pop
#endif
#include "qemu/typedefs.h"
/*
* 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.
*/
#ifdef HOST_WORDS_BIGENDIAN
# define PIXMAN_BE_r8g8b8 PIXMAN_r8g8b8
#else
# define PIXMAN_BE_r8g8b8 PIXMAN_b8g8r8
#endif
/* -------------------------------------------------------------------- */
PixelFormat qemu_pixelformat_from_pixman(pixman_format_code_t format);
pixman_format_code_t qemu_default_pixman_format(int bpp, bool native_endian);
int qemu_pixman_get_type(int rshift, int gshift, int bshift);
pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf);
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);
#endif /* QEMU_PIXMAN_H */