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pixman: fix vnc tight png/jpeg support

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This patch adds an x argument to qemu_pixman_linebuf_fill so it can
also be used to convert a partial scanline.  Then fix tight + png/jpeg
encoding by passing in the x+y offset, so the data is read from the
correct screen location instead of the upper left corner.

Cc: 1087974@bugs.launchpad.net
Cc: qemu-stable@nongnu.org
Reported-by: Tim Hardeneck <thardeck@suse.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Gerd Hoffmann 2012-12-14 07:54:24 +00:00 • committed by Blue Swirl
parent f27b2e1dfe
commit bc210eb163
5 changed files with 7 additions and 7 deletions
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2
hw/vga.c
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@ -2413,7 +2413,7 @@ void ppm_save(const char *filename, struct DisplaySurface *ds, Error **errp)
}
linebuf = qemu_pixman_linebuf_create(PIXMAN_BE_r8g8b8, width);
for (y = 0; y < height; y++) {
qemu_pixman_linebuf_fill(linebuf, ds->image, width, y);
qemu_pixman_linebuf_fill(linebuf, ds->image, width, 0, y);
clearerr(f);
ret = fwrite(pixman_image_get_data(linebuf), 1,
pixman_image_get_stride(linebuf), f);