Merge from origin/emacs-27

62a6934af9 Fix crash when using XRender and restoring image from X (b...
de032d41c6 Bind k to image-kill-buffer in doc-view-mode-map.

2 files changed, 13 insertions, 0 deletions

diff --git a/src/dispextern.h b/src/dispextern.h
index da51772b37a..c76822ff390 100644
--- a/src/dispextern.h
+++ b/src/dispextern.h
@@ -3040,6 +3040,10 @@ struct image
 # if !defined USE_CAIRO && defined HAVE_XRENDER
   /* Picture versions of pixmap and mask for compositing.  */
   Picture picture, mask_picture;
+
+  /* We need to store the original image dimensions in case we have to
+     call XGetImage.  */
+  int original_width, original_height;
 # endif
 #endif  /* HAVE_X_WINDOWS */
 #ifdef HAVE_NTGUI
diff --git a/src/image.c b/src/image.c
index a3301ad2dda..dc06e9ce208 100644
--- a/src/image.c
+++ b/src/image.c
@@ -2170,6 +2170,10 @@ image_set_transform (struct frame *f, struct image *img)
 # if !defined USE_CAIRO && defined HAVE_XRENDER
   if (!img->picture)
     return;
+
+  /* Store the original dimensions as we'll overwrite them later.  */
+  img->original_width = img->width;
+  img->original_height = img->height;
 # endif
 
   /* Determine size.  */
@@ -3029,6 +3033,11 @@ image_get_x_image (struct frame *f, struct image *img, bool mask_p)
 
   if (ximg_in_img)
     return ximg_in_img;
+#ifdef HAVE_XRENDER
+  else if (img->picture)
+    return XGetImage (FRAME_X_DISPLAY (f), !mask_p ? img->pixmap : img->mask,
+                      0, 0, img->original_width, img->original_height, ~0, ZPixmap);
+#endif
   else
     return XGetImage (FRAME_X_DISPLAY (f), !mask_p ? img->pixmap : img->mask,
                       0, 0, img->width, img->height, ~0, ZPixmap);