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comparison: gfx/cairo/README
gfx/cairo/README
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| 1 Snapshots of cairo and glitz for mozilla usage. | |
| 2 | |
| 3 We only include the relevant parts of each release (generally, src/*.[ch]), | |
| 4 as we have Makefile.in's that integrate into the Mozilla build system. For | |
| 5 documentation and similar, please see the official tarballs at | |
| 6 http://www.cairographics.org/. | |
| 7 | |
| 8 VERSIONS: | |
| 9 | |
| 10 cairo (12d521df8acc483b2daa844d4f05dc2fe2765ba6) | |
| 11 pixman (0.24.2) | |
| 12 | |
| 13 ==== Patches ==== | |
| 14 | |
| 15 Some specific things: | |
| 16 | |
| 17 max-font-size.patch: Clamp freetype font size to 1000 to avoid overflow issues | |
| 18 | |
| 19 win32-logical-font-scale.patch: set CAIRO_WIN32_LOGICAL_FONT_SCALE to 1 | |
| 20 | |
| 21 nonfatal-assertions.patch: Make assertions non-fatal | |
| 22 | |
| 23 buggy-repeat.patch: Unconditionally turn on buggy-repeat handling to bandaid bug 413583. | |
| 24 | |
| 25 cairo-version-fixes.patch: fix up cairo-version.c/cairo-version.h for in-place builds | |
| 26 | |
| 27 win32-ddb-dib.patch: fix for bug 455513; not upstream yet pending feebdack | |
| 28 | |
| 29 win32-vertically-offset-glyph.patch: bug 454098; vertical positioning errors when drawing glyph runs including delta-y offsets on screen via GDI | |
| 30 | |
| 31 ignore-rank0.patch: bug 474886; Not redrawing the background when changing page on flickr | |
| 32 | |
| 33 win32-canvas-glyph-position.patch: bug 475092; horizontal positioning errors when drawing glyph runs with delta-y offsets to canvas through win32-font | |
| 34 | |
| 35 win32-cleartype-clipping.patch: bug 445087; some glyphs are clipped, mainly on right-hand edge, when ClearType is enabled and drawing to RGBA canvas | |
| 36 | |
| 37 on-edge.patch: reverts the in-fill semantic change. | |
| 38 | |
| 39 wrap-source_image.patch: make sure we don't free the source image until we're done with it. | |
| 40 | |
| 41 zero-sized.patch: deal with zero sized surface in ways less likely to crash. | |
| 42 | |
| 43 text-path-filling-threshold.patch: use path filling instead of platform glyph rasterization at a smaller size threshold of 256 device pixels, if the backend supports native filling (which we assume will be fast). | |
| 44 | |
| 45 zombie-face.patch: bug 486974; leak and possible crash with @font-face{src:url()}. Upstream commit: 0238fe2cafea2e1ed19bb222117bd73ee6898d4d | |
| 46 | |
| 47 win32-raster.patch: bug 498689; use scanline rasterizer on win32 | |
| 48 | |
| 49 quartz-falback.patch: try to fix Quartz fallback-to-pixman path; possiby incorrect and obsoleted by Andrea Canciani patch | |
| 50 | |
| 51 quartz-repeating-radial-gradients.patch: use Quartz to render repeating radial gradients instead of falling back | |
| 52 | |
| 53 quartz-const-globals.patch: make some Quartz color function data const globals instead of local variables | |
| 54 | |
| 55 quartz-minimze-gradient-repeat.patch: reduce the number of gradient stop repetitions we use, to improve quality of Quartz's gradient rendering | |
| 56 | |
| 57 quartz-first-stop.patch: return the first stop for negative positions on the gradient line of a nonrepeating linear gradient | |
| 58 | |
| 59 quartz-glyph-extents.patch: bug 534260; work around incorrect glyph extents returned by quartz for anomalous empty glyphs | |
| 60 | |
| 61 quartz-state.patch: bug 522859; refactor cairo-quartz-surface so that state local to a drawing operation is stored in a cairo_quartz_drawing_state_t instead of the surface | |
| 62 | |
| 63 quartz-cache-CGImageRef.patch: cache CGImageRef for a CGBitmapContext; when we reuse it, Quartz will cache stuff, improving performance | |
| 64 | |
| 65 quartz-remove-snapshot.patch: remove broken implementation of backend snapshot | |
| 66 | |
| 67 quartz-cglayers.patch: add support for cairo surfaces backed by CGLayers | |
| 68 | |
| 69 quartz-cglayers-fix-fallback.patch: Bug 572912; fix bug in fallback code in previous patch | |
| 70 | |
| 71 quartz-get-image.patch: Bug 575521; add a way to get the image surface associated with a surface | |
| 72 | |
| 73 quartz-create-for-data.patch: Bug 575521; add a way to create quartz surfaces backed with application-provided data | |
| 74 | |
| 75 premultiply-alpha-solid-gradients.patch: bug 539165; multiply the solid color by the alpha component before using it for a solid surface | |
| 76 | |
| 77 xlib-initialize-members.path: bug 548793; initialize XRender version if the server doesn't have the extension | |
| 78 | |
| 79 remove-comma: remove a comma from enum | |
| 80 | |
| 81 d2d.patch: add d2d support | |
| 82 | |
| 83 fix-zero-len-graident.patch: fix zero length gradients | |
| 84 | |
| 85 fix-clip-copy.patch: fix clip copying | |
| 86 | |
| 87 fix-clip-region-simplification.patch: fixes a bug in clip region simplifications | |
| 88 | |
| 89 expand-in-stroke-limits.patch: expand the in-stroke limits to avoid a bug | |
| 90 | |
| 91 d2d-dwrite.patch: update the d2d/dwrite stuff | |
| 92 | |
| 93 add-a-stash-of-cairo_t-s.patch: use the stash to avoid malloc/freeing cairo_t's | |
| 94 | |
| 95 bgr.patch: fix image wrapping | |
| 96 | |
| 97 disable-server-graidents.patch: disable server-side gradients | |
| 98 | |
| 99 clip-invariant.patch: make rasterization closer to being clip invariant | |
| 100 | |
| 101 fix-unnecessary-fallback.patch: avoid unnecessary fallback | |
| 102 | |
| 103 handle-a1-upload.patch: handle a1 image uploads through converter | |
| 104 | |
| 105 surface-clipper.patch: remove an incorrect optimization | |
| 106 | |
| 107 fix-win32-show-glyphs-clipping.patch: fix a clipping bug | |
| 108 | |
| 109 native-clipping.patch: Add support for a native clipping api | |
| 110 | |
| 111 quartz-is-clear.patch: Propagate the quartz is_clear flag. | |
| 112 | |
| 113 cairo-qt-compile.patch: Fix compile error, return not reached, and clone_similar interface | |
| 114 | |
| 115 dwrite-glyph-extents.patch: Add padding to extents of antialiased glyphs, to avoid unwanted clipping. (bug 568191) | |
| 116 | |
| 117 fix-ps-output.patch: PS: Add missing 'q' when resetting clip path (42b5cac7668625c9761113ff72b47af5cfd10377) | |
| 118 | |
| 119 ensure-text-flushed.patch: PDF-operators: ensure text operations flushed before emitting clip (42b5cac7668625c9761113ff72b47af5cfd10377) | |
| 120 | |
| 121 fix-xcopyarea-with-clips.patch: 5d07307b691afccccbb15f773d5231669ba44f5a | |
| 122 | |
| 123 cairo-x-visual.patch: make valid visua for cairo_xlib_surface_create_with_xrender_format (55037bfb2454a671332d961e061c712ab5471580) | |
| 124 | |
| 125 win32-transparent-surface.patch: add API so we can create a win32 surface for an HDC and indicate the surface has an alpha channel | |
| 126 | |
| 127 cairo_qt_glyphs.patch: Drop X surface from Qt surface, add support for new qt glyphs api | |
| 128 | |
| 129 empty-clip-rectangles.patch: f2fa15680ec3ac95cb68d4957557f06561a7dc55 | |
| 130 | |
| 131 empty-clip-extents.patch: b79ea8a6cab8bd28aebecf6e1e8229d5ac017264 | |
| 132 | |
| 133 clip-rects-surface-extents.patch: 108b1c7825116ed3f93aa57384bbd3290cdc9181 | |
| 134 | |
| 135 disable-previous-scaled-font-cache.patch: Disable the previous-scaled-font-cache until we figure out our ctm handling (#583035) | |
| 136 | |
| 137 copyarea-with-alpha.patch: support simple overlapping self copies in (some) color_alpha xlib surfaces. https://bugs.freedesktop.org/show_bug.cgi?id=29250 | |
| 138 | |
| 139 fix-clip-test.patch: Use y 498c10032ea3f8631a928cd7df96766f2c8ddca4 | |
| 140 | |
| 141 quartz-refactor-surface-setup.patch: Extract the surface-source setup chunk of _cairo_quartz_setup_state into its own function | |
| 142 | |
| 143 quartz-fix-PAD.patch: Treat PAD like NONE instead of REPEAT | |
| 144 | |
| 145 quartz-mask-non-OVER.patch: Don't use CGContextSetAlpha to optimize alpha masking for non-OVER operators | |
| 146 | |
| 147 quartz-layers-content.patch: Store cairo content type in CGLayer surfaces | |
| 148 | |
| 149 quartz-optimize-OVER.patch: Optimize OVER to SOURCE for opaque patterns | |
| 150 | |
| 151 quartz-check-imageSurfaceEquiv.patch: Drop cairo_quartz_surface_t's "imageSurfaceEquiv" member variable if we have problems creating it | |
| 152 | |
| 153 disable-subpixel-antialiasing.patch: Add API to disable subpixel antialiasing completely for a target surface | |
| 154 | |
| 155 tee-surfaces-pointwise.patch: Composite tee subsurfaces pointwise if possible | |
| 156 | |
| 157 pattern_get_surface-no-error.patch: Don't put a pattern into error if cairo_pattern_get_surface fails | |
| 158 | |
| 159 missing-cairo-clip-init.diff: Missing cairo_clip_init call in cairo_gstate_show_text_glyphs lead to crash | |
| 160 | |
| 161 fix-cairo-win32-print-gdi-error.diff: Don't use fwprintf with char* format. Flush stderr so that all error messages appears before exit. | |
| 162 | |
| 163 pixman-image-transform.patch: Reset the transform on pixman images when using them as destinations. | |
| 164 | |
| 165 fix-cairo-surface-wrapper-flush-build-warning.patch: Ensures that _cairo_surface_wrapper_flush always returns a status, to silence the build warning | |
| 166 | |
| 167 fixup-unbounded.patch: Hack to work around bad assumption. | |
| 168 | |
| 169 quartz-get-image-performance: Make cairo_quartz_get_image faster in the failure case by not flushing unless we are going to succeed. | |
| 170 | |
| 171 lround-c99-only.patch: Only use lround in C99 programs. | |
| 172 | |
| 173 unicode-printing.patch: Print as unicode (bug 454532) | |
| 174 | |
| 175 quartz-mark-dirty.patch: Add a quartz implementation of mark_dirty_rectangle (bug 715704) | |
| 176 | |
| 177 expose-snapshot.patch: Make functions to add snapshots public, as well as allow creating null surfaces publically. (bug 715658) | |
| 178 | |
| 179 fix-build-with-Werror=return-type.patch: Fix builds with -Werror=return-type (bug 737909) | |
| 180 | |
| 181 avoid-extend-none.patch: Avoid incorrectly using EXTEND_NONE (bug 751668) | |
| 182 | |
| 183 win32-ExtCreatePen-zero-size.patch: Don't pass zero width or dash lengths to ExtCreatePen (bug 768348) | |
| 184 | |
| 185 d2d-repeating-gradients.patch: Minimize number of gradient stops added to handle repeating with path fills (bug 768775) | |
| 186 | |
| 187 xlib-glyph-clip-region.patch: bug 709477, addressed upstream by be1ff2f45fdbc69537e513834fcffa0435e63073 | |
| 188 | |
| 189 gdi-RGB24-ARGB32.patch: bug 788794 | |
| 190 | |
| 191 dwrite-font-printing.patch: bug 468568; don't substitute a GDI font for a DWrite font if the name tables aren't equal | |
| 192 | |
| 193 d2d-gradient-ensure-stops.patch: bug 792903, ensure we don't set num_stops to 0 | |
| 194 | |
| 195 setlcdfilter_in_tree.patch: bug 790139; force cairo to use FT_Library_SetLcdFilter from our in tree library rather than picking it up from the system | |
| 196 | |
| 197 dwrite-font-match-robustness.patch: bug 717178, don't crash when _name_tables_match is passed a nil scaled-font | |
| 198 | |
| 199 handle-multi-path-clip.patch: bug 813124, handle multiple clip paths correctly | |
| 200 | |
| 201 win32-gdi-font-cache.patch: Bug 717178, cache GDI font faces to reduce usage of GDI resources | |
| 202 | |
| 203 win32-gdi-font-cache-no-HFONT.patch: Bug 717178, don't cache GDI font faces when an HFONT belonging to the caller is passed in | |
| 204 | |
| 205 fix-win32-font-assertion.patch: Bug 838617, fix assertion from bug 717178 that was in the wrong place | |
| 206 | |
| 207 xlib-flush-glyphs.patch: bug 839745, flush glyphs when necessary | |
| 208 | |
| 209 dasharray-zero-gap.patch: bug 885585, ensure strokes get painted when the gaps in a dash array are all zero length | |
| 210 | |
| 211 cairo-mask-extends-bug.patch: bug 918671, sometimes when building a mask we wouldn't clear it properly. This is fixed in cairo 1.12 | |
| 212 | |
| 213 ft-no-subpixel-if-surface-disables.patch: bug 929451, don't use subpixel aa for ft fonts on surfaces that don't support it | |
| 214 | |
| 215 ==== pixman patches ==== | |
| 216 | |
| 217 pixman-android-cpu-detect.patch: Add CPU detection support for Android, where we can't reliably access /proc/self/auxv. | |
| 218 | |
| 219 pixman-rename-and-endian.patch: include cairo-platform.h for renaming of external symbols and endian macros | |
| 220 | |
| 221 NOTE: we previously supported ARM assembler on MSVC, this has been removed because of the maintenance burden | |
| 222 | |
| 223 pixman-export.patch: use cairo_public for PIXMAN_EXPORT to make sure pixman symbols are not exported in libxul | |
| 224 | |
| 225 pixman-limits.patch: include limits.h for SIZE_MAX | |
| 226 | |
| 227 pixman-lowres-interp.patch: Use lower quality interpolation for more speed. | |
| 228 | |
| 229 pixman-bilinear-fastpath.patch: Bilinear fast paths for non-neon | |
| 230 | |
| 231 pixman-16-bit-pipeline.patch: 16 bit pipeline for dithering | |
| 232 | |
| 233 pixman-dither.patch: Add dithering of 16 bit gradients | |
| 234 | |
| 235 quartz-support-color-emoji-font.patch: support Apple Color Emoji font in cairo-quartz backend | |
| 236 | |
| 237 use-show-text-glyphs-if-glyph-path-fails.patch: fall back to show_text_glyphs even at huge sizes if scaled_font_glyph_path didn't work | |
| 238 | |
| 239 pixman-enable-altivec-acceleration.patch: enable building the altivec acceleration | |
| 240 | |
| 241 win32-d3dsurface9.patch: Create a win32 d3d9 surface to support LockRect | |
| 242 | |
| 243 win32-avoid-extend-pad-fallback: Avoid falling back to pixman when using EXTEND_PAD | |
| 244 | |
| 245 ==== disable printing patch ==== | |
| 246 | |
| 247 disable-printing.patch: allows us to use NS_PRINTING to disable printing. | |
| 248 | |
| 249 ==== cairo clamp bounday patch ==== | |
| 250 cairo-clamp-boundary.patch: don't call pixman_fill with negative starts or negative sizes |
