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| author | Simon Robertshaw <simon@hardwired.org.uk> | 2011-06-09 16:53:41 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2011-06-09 16:53:41 (GMT) |
| commit | 1effdb052a0b952d1390109bed67b3371046ccb7 (patch) | |
| tree | fef81cd5f965947ed152caa19f8e7c39463f3b47 /src/graphics.c | |
| parent | 74f613962e1090e3ad2db186e555a29c12c03941 (diff) | |
| download | powder-1effdb052a0b952d1390109bed67b3371046ccb7.zip powder-1effdb052a0b952d1390109bed67b3371046ccb7.tar.gz | |
Image for server saving
Diffstat (limited to 'src/graphics.c')
| -rw-r--r-- | src/graphics.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/graphics.c b/src/graphics.c index b8ef697..aab77ab 100644 --- a/src/graphics.c +++ b/src/graphics.c @@ -3624,6 +3624,26 @@ pixel *render_packed_rgb(void *image, int width, int height, int cmp_size) return res; } +void draw_rgba_image(pixel *vid, unsigned char *data, int x, int y, float alpha) +{ + unsigned char w, h; + int i, j; + unsigned char r, g, b, a; + w = *(data++)&0xFF; + h = *(data++)&0xFF; + for (j=0; j<h; j++) + { + for (i=0; i<w; i++) + { + r = *(data++)&0xFF; + g = *(data++)&0xFF; + b = *(data++)&0xFF; + a = *(data++)&0xFF; + drawpixel(vid, x+i, y+j, r, g, b, a*alpha); + } + } +} + void draw_image(pixel *vid, pixel *img, int x, int y, int w, int h, int a) { int i, j, r, g, b; |