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x11: have upper bounds on pixmap drawings
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IoIxD 2026-04-26 19:34:11 -07:00
commit bb51bc3c5f
1 changed files with 4 additions and 1 deletions
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src/backend/x11.c
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@ -981,11 +981,14 @@ static void MwLLDestroyPixmapImpl(MwLLPixmap pixmap) {
XRenderFreePicture(handle->x11.display, src_pic); \ XRenderFreePicture(handle->x11.display, src_pic); \
XRenderFreePicture(handle->x11.display, dest_pic); \ XRenderFreePicture(handle->x11.display, dest_pic); \
XFreePixmap(handle->x11.display, src_px); \ XFreePixmap(handle->x11.display, src_px); \
XFreeGC(handle->x11.display, gc); \ XFreeGC(handle->x11.display, gc); \
} }
static void MwLLDrawPixmapImpl(MwLL handle, MwRect* rect, MwLLPixmap pixmap) { static void MwLLDrawPixmapImpl(MwLL handle, MwRect* rect, MwLLPixmap pixmap) {
if(rect->width <= 0 || rect->height <= 0 || pixmap->common.width <= 0 || pixmap->common.height <= 0) return; if(rect->width <= 0 || rect->height <= 0 || pixmap->common.width <= 0 || pixmap->common.height <= 0) return;
if(rect->width >= INT16_MAX) rect->width = INT16_MAX;
if(rect->height >= INT16_MAX) rect->height = INT16_MAX;
#ifdef USE_XRENDER #ifdef USE_XRENDER
if(pixmap->x11.image != NULL && pixmap->x11.use_xrender) { if(pixmap->x11.image != NULL && pixmap->x11.use_xrender) {
Pixmap px; Pixmap px;