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Attempt to fix icon rendering problems

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This commit is contained in:
o9000
2015-05-03 15:36:34 +02:00
parent 14d5c4e43d
commit e7c3f99e28
5 changed files with 39 additions and 23 deletions
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32
src/util/common.c
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@@ -363,24 +363,30 @@ void createHeuristicMask(DATA32* data, int w, int h)
}
void render_image(Drawable d, int x, int y, int w, int h)
void render_image(Drawable d, int x, int y)
{
// in real_transparency mode imlib_render_image_on_drawable does not the right thing, because
// the operation is IMLIB_OP_COPY, but we would need IMLIB_OP_OVER (which does not exist)
// Therefore we have to do it with the XRender extension (i.e. copy what imlib is doing internally)
// But first we need to render the image onto itself with PictOpIn to adjust the colors to the alpha channel
Pixmap pmap_tmp = XCreatePixmap(server.dsp, server.root_win, w, h, 32);
imlib_context_set_drawable(pmap_tmp);
int w = imlib_image_get_width(), h = imlib_image_get_height();
Pixmap pixmap = XCreatePixmap(server.dsp, server.root_win, w, h, 32);
imlib_context_set_drawable(pixmap);
imlib_context_set_blend(0);
imlib_render_image_on_drawable(0, 0);
Picture pict_image = XRenderCreatePicture(server.dsp, pmap_tmp, XRenderFindStandardFormat(server.dsp, PictStandardARGB32), 0, 0);
Pixmap mask = XCreatePixmap(server.dsp, server.root_win, w, h, 32);
imlib_context_set_drawable(mask);
imlib_context_set_blend(0);
imlib_render_image_on_drawable(0, 0);
Picture pict = XRenderCreatePicture(server.dsp, pixmap, XRenderFindStandardFormat(server.dsp, PictStandardARGB32), 0, 0);
Picture pict_drawable = XRenderCreatePicture(server.dsp, d, XRenderFindVisualFormat(server.dsp, server.visual), 0, 0);
XRenderComposite(server.dsp, PictOpIn, pict_image, None, pict_image, 0, 0, 0, 0, 0, 0, w, h);
XRenderComposite(server.dsp, PictOpOver, pict_image, None, pict_drawable, 0, 0, 0, 0, x, y, w, h);
imlib_context_set_blend(1);
XFreePixmap(server.dsp, pmap_tmp);
XRenderFreePicture(server.dsp, pict_image);
Picture pict_mask = XRenderCreatePicture(server.dsp, mask, XRenderFindStandardFormat(server.dsp, PictStandardARGB32), 0, 0);
XRenderComposite(server.dsp, PictOpOver, pict, pict_mask, pict_drawable, 0, 0, 0, 0, x, y, w, h);
XRenderFreePicture(server.dsp, pict_mask);
XRenderFreePicture(server.dsp, pict_drawable);
XRenderFreePicture(server.dsp, pict);
XFreePixmap(server.dsp, mask);
XFreePixmap(server.dsp, pixmap);
}
void draw_text(PangoLayout *layout, cairo_t *c, int posx, int posy, Color *color, int font_shadow)