mirror of https://gitee.com/openkylin/qemu.git
136 lines
4.1 KiB
C
136 lines
4.1 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.
|
|
*/
|
|
|
|
#include "qemu-common.h"
|
|
#include "ui/console.h"
|
|
|
|
int qemu_pixman_get_type(int rshift, int gshift, int bshift)
|
|
{
|
|
int type = PIXMAN_TYPE_OTHER;
|
|
|
|
if (rshift > gshift && gshift > bshift) {
|
|
if (bshift == 0) {
|
|
type = PIXMAN_TYPE_ARGB;
|
|
} else {
|
|
#if PIXMAN_VERSION >= PIXMAN_VERSION_ENCODE(0, 21, 8)
|
|
type = PIXMAN_TYPE_RGBA;
|
|
#endif
|
|
}
|
|
} else if (rshift < gshift && gshift < bshift) {
|
|
if (rshift == 0) {
|
|
type = PIXMAN_TYPE_ABGR;
|
|
} else {
|
|
#if PIXMAN_VERSION >= PIXMAN_VERSION_ENCODE(0, 16, 0)
|
|
type = PIXMAN_TYPE_BGRA;
|
|
#endif
|
|
}
|
|
}
|
|
return type;
|
|
}
|
|
|
|
pixman_format_code_t qemu_pixman_get_format(PixelFormat *pf)
|
|
{
|
|
pixman_format_code_t format;
|
|
int type;
|
|
|
|
type = qemu_pixman_get_type(pf->rshift, pf->gshift, pf->bshift);
|
|
format = PIXMAN_FORMAT(pf->bits_per_pixel, type,
|
|
pf->abits, pf->rbits, pf->gbits, pf->bbits);
|
|
if (!pixman_format_supported_source(format)) {
|
|
return 0;
|
|
}
|
|
return format;
|
|
}
|
|
|
|
pixman_image_t *qemu_pixman_linebuf_create(pixman_format_code_t format,
|
|
int width)
|
|
{
|
|
pixman_image_t *image = pixman_image_create_bits(format, width, 1, NULL, 0);
|
|
assert(image != NULL);
|
|
return image;
|
|
}
|
|
|
|
void qemu_pixman_linebuf_fill(pixman_image_t *linebuf, pixman_image_t *fb,
|
|
int width, int x, int y)
|
|
{
|
|
pixman_image_composite(PIXMAN_OP_SRC, fb, NULL, linebuf,
|
|
x, y, 0, 0, 0, 0, width, 1);
|
|
}
|
|
|
|
pixman_image_t *qemu_pixman_mirror_create(pixman_format_code_t format,
|
|
pixman_image_t *image)
|
|
{
|
|
pixman_image_t *mirror;
|
|
|
|
mirror = pixman_image_create_bits(format,
|
|
pixman_image_get_width(image),
|
|
pixman_image_get_height(image),
|
|
NULL,
|
|
pixman_image_get_stride(image));
|
|
return mirror;
|
|
}
|
|
|
|
void qemu_pixman_image_unref(pixman_image_t *image)
|
|
{
|
|
if (image == NULL) {
|
|
return;
|
|
}
|
|
pixman_image_unref(image);
|
|
}
|
|
|
|
pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color)
|
|
{
|
|
pixman_color_t c;
|
|
|
|
c.red = ((color & pf->rmask) >> pf->rshift) << (16 - pf->rbits);
|
|
c.green = ((color & pf->gmask) >> pf->gshift) << (16 - pf->gbits);
|
|
c.blue = ((color & pf->bmask) >> pf->bshift) << (16 - pf->bbits);
|
|
c.alpha = ((color & pf->amask) >> pf->ashift) << (16 - pf->abits);
|
|
return c;
|
|
}
|
|
|
|
pixman_image_t *qemu_pixman_glyph_from_vgafont(int height, const uint8_t *font,
|
|
unsigned int ch)
|
|
{
|
|
pixman_image_t *glyph;
|
|
uint8_t *data;
|
|
bool bit;
|
|
int x, y;
|
|
|
|
glyph = pixman_image_create_bits(PIXMAN_a8, 8, height,
|
|
NULL, 0);
|
|
data = (uint8_t *)pixman_image_get_data(glyph);
|
|
|
|
font += height * ch;
|
|
for (y = 0; y < height; y++, font++) {
|
|
for (x = 0; x < 8; x++, data++) {
|
|
bit = (*font) & (1 << (7-x));
|
|
*data = bit ? 0xff : 0x00;
|
|
}
|
|
}
|
|
return glyph;
|
|
}
|
|
|
|
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)
|
|
{
|
|
pixman_image_t *ifg = pixman_image_create_solid_fill(fgcol);
|
|
pixman_image_t *ibg = pixman_image_create_solid_fill(bgcol);
|
|
|
|
pixman_image_composite(PIXMAN_OP_SRC, ibg, NULL, surface,
|
|
0, 0, 0, 0,
|
|
cw * x, ch * y,
|
|
cw, ch);
|
|
pixman_image_composite(PIXMAN_OP_OVER, ifg, glyph, surface,
|
|
0, 0, 0, 0,
|
|
cw * x, ch * y,
|
|
cw, ch);
|
|
pixman_image_unref(ifg);
|
|
pixman_image_unref(ibg);
|
|
}
|