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Framebuffer: Don't create 0x0 bitmaps if content width is 0.

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This commit is contained in:
Michael Drake 2017-10-02 09:35:16 +01:00
parent 2f466751ca
commit 8e6cf1e1d4
1 changed files with 5 additions and 5 deletions
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10
frontends/framebuffer/bitmap.c
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@ -286,11 +286,11 @@ bitmap_render(struct bitmap *bitmap,
NSLOG(netsurf, INFO, "width %d, height %d", width, height);
/* Calculate size of buffer to render the content into */
/* We get the width from the content width, unless it exceeds 1024,
* in which case we use 1024. This means we never create excessively
* large render buffers for huge contents, which would eat memory and
* cripple performance. */
cwidth = min(content_get_width(content), 1024);
/* We get the width from the largest of the bitmap width and the content
* width, unless it exceeds 1024, in which case we use 1024. This means
* we never create excessively large render buffers for huge contents,
* which would eat memory and cripple performance. */
cwidth = max(width, min(content_get_width(content), 1024));
/* The height is set in proportion with the width, according to the
* aspect ratio of the required thumbnail. */
cheight = ((cwidth * height) + (width / 2)) / width;