40 lines
1.5 KiB
Diff
40 lines
1.5 KiB
Diff
diff --git a/src/cairo-image-surface.c b/src/cairo-image-surface.c
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index e9e544d..cde68a1 100644
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--- a/src/cairo-image-surface.c
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+++ b/src/cairo-image-surface.c
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@@ -324,8 +324,8 @@ _cairo_image_surface_create_with_pixman_format (unsigned char *data,
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cairo_surface_t *surface;
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pixman_image_t *pixman_image;
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- pixman_image = pixman_image_create_bits (pixman_format, width, height,
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- (uint32_t *) data, stride);
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+ pixman_image = pixman_image_create_bits (pixman_format, width ? width : 1, height ? height : 1,
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+ (uint32_t *) data, stride ? stride : 4);
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if (unlikely (pixman_image == NULL))
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return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
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diff --git a/src/cairo-xlib-surface.c b/src/cairo-xlib-surface.c
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index f86a133..ddcb600 100644
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--- a/src/cairo-xlib-surface.c
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+++ b/src/cairo-xlib-surface.c
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@@ -675,7 +675,8 @@ _get_image_surface (cairo_xlib_surface_t *surface,
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pixmap = XCreatePixmap (surface->dpy,
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surface->drawable,
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- extents.width, extents.height,
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+ extents.width <= 0 ? 1 : extents.width,
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+ extents.height <= 0 ? 1 : extents.height,
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surface->depth);
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if (pixmap) {
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XCopyArea (surface->dpy, surface->drawable, pixmap, surface->gc,
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@@ -686,7 +687,8 @@ _get_image_surface (cairo_xlib_surface_t *surface,
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ximage = XGetImage (surface->dpy,
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pixmap,
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0, 0,
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- extents.width, extents.height,
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+ extents.width <= 0 ? 1 : extents.width,
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+ extents.height <= 0 ? 1 : extents.height,
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AllPlanes, ZPixmap);
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XFreePixmap (surface->dpy, pixmap);
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