gfx/cairo/win32-vertically-offset-glyph.patch@97036ab72558 (annotated)
gfx/cairo/win32-vertically-offset-glyph.patch
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | diff --git a/gfx/cairo/cairo/src/cairo-win32-surface.c b/gfx/cairo/cairo/src/cairo-win32-surface.c |
| michael@0 | 2 | --- a/gfx/cairo/cairo/src/cairo-win32-surface.c |
| michael@0 | 3 | +++ b/gfx/cairo/cairo/src/cairo-win32-surface.c |
| michael@0 | 4 | @@ -1742,17 +1742,18 @@ _cairo_win32_surface_show_glyphs (void |
| michael@0 | 5 | |
| michael@0 | 6 | cairo_matrix_transform_point(&device_to_logical, |
| michael@0 | 7 | &next_user_x, &next_user_y); |
| michael@0 | 8 | |
| michael@0 | 9 | next_logical_x = _cairo_lround (next_user_x); |
| michael@0 | 10 | next_logical_y = _cairo_lround (next_user_y); |
| michael@0 | 11 | |
| michael@0 | 12 | dxy_buf[j] = _cairo_lround (next_logical_x - logical_x); |
| michael@0 | 13 | - dxy_buf[j+1] = _cairo_lround (next_logical_y - logical_y); |
| michael@0 | 14 | + dxy_buf[j+1] = _cairo_lround (logical_y - next_logical_y); |
| michael@0 | 15 | + /* note that GDI coordinate system is inverted */ |
| michael@0 | 16 | |
| michael@0 | 17 | logical_x = next_logical_x; |
| michael@0 | 18 | logical_y = next_logical_y; |
| michael@0 | 19 | } |
| michael@0 | 20 | } |
| michael@0 | 21 | |
| michael@0 | 22 | /* Using glyph indices for a Type 1 font does not work on a |
| michael@0 | 23 | * printer DC. The win32 printing surface will convert the the |
