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xlib: Don't modify variables that are needed later

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In the XCopyArea region code, don't modify src_x/y when they are later
used in the unbounded fixup code.

Exposed by composite-integer-translate-source test.
This commit is contained in:
Benjamin Otte 2010-04-29 18:20:59 +02:00
parent 90160deb2a
commit 5d07307b69
1 changed files with 4 additions and 4 deletions
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8
src/cairo-xlib-surface.c
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@ -2322,10 +2322,10 @@ _cairo_xlib_surface_composite (cairo_operator_t op,
width, height,
dst_x, dst_y);
} else {
int n, num_rects;
int n, num_rects, x, y;
src_x += src_attr.x_offset + itx - dst_x;
src_y += src_attr.y_offset + ity - dst_y;
x = src_x + src_attr.x_offset + itx - dst_x;
y = src_y + src_attr.y_offset + ity - dst_y;
num_rects = cairo_region_num_rectangles (clip_region);
for (n = 0; n < num_rects; n++) {
@ -2333,7 +2333,7 @@ _cairo_xlib_surface_composite (cairo_operator_t op,
cairo_region_get_rectangle (clip_region, n, &rect);
XCopyArea (display->display, src->drawable, dst->drawable, gc,
rect.x + src_x, rect.y + src_y,
rect.x + x, rect.y + y,
rect.width, rect.height,
rect.x, rect.y);
}