summaryrefslogtreecommitdiff
path: root/libre/icecat/mozilla-8904705.patch
diff options
context:
space:
mode:
authorAndreas Grapentin <andreas@grapentin.org>2018-03-16 09:24:52 +0100
committerAndreas Grapentin <andreas@grapentin.org>2018-03-16 09:26:12 +0100
commit12bf3efae5ed83cf1cdd5758521c4a80100183b8 (patch)
treeaf19624ec9fe99b540ecb6c5453aa036ed171644 /libre/icecat/mozilla-8904705.patch
parent95b66a84882efd434133fe9995482536146ac071 (diff)
libre/icecat: updated to 52.6.0_gnu1
Diffstat (limited to 'libre/icecat/mozilla-8904705.patch')
-rw-r--r--libre/icecat/mozilla-8904705.patch147
1 files changed, 0 insertions, 147 deletions
diff --git a/libre/icecat/mozilla-8904705.patch b/libre/icecat/mozilla-8904705.patch
deleted file mode 100644
index deecd1251..000000000
--- a/libre/icecat/mozilla-8904705.patch
+++ /dev/null
@@ -1,147 +0,0 @@
-# HG changeset patch
-# User Lee Salzman <lsalzman@mozilla.com>
-# Date 1504640559 14400
-# Tue Sep 05 15:42:39 2017 -0400
-# Node ID 923246286b9858fb103e100f886c03714b97b5ec
-# Parent 3fff2b174212af40a7b7ba75a047db431f81c780
-clip FreeType glyph bitmap to mask in Skia (52 ESR)
-
-diff --git a/gfx/skia/skia/src/ports/SkFontHost_FreeType_common.cpp b/gfx/skia/skia/src/ports/SkFontHost_FreeType_common.cpp
---- a/gfx/skia/skia/src/ports/SkFontHost_FreeType_common.cpp
-+++ b/gfx/skia/skia/src/ports/SkFontHost_FreeType_common.cpp
-@@ -350,58 +350,118 @@ void SkScalerContext_FreeType_Base::gene
- const SkMatrix& bitmapTransform)
- {
- const bool doBGR = SkToBool(fRec.fFlags & SkScalerContext::kLCD_BGROrder_Flag);
- const bool doVert = SkToBool(fRec.fFlags & SkScalerContext::kLCD_Vertical_Flag);
-
- switch ( face->glyph->format ) {
- case FT_GLYPH_FORMAT_OUTLINE: {
- FT_Outline* outline = &face->glyph->outline;
-- FT_BBox bbox;
-- FT_Bitmap target;
-
- int dx = 0, dy = 0;
- if (fRec.fFlags & SkScalerContext::kSubpixelPositioning_Flag) {
- dx = SkFixedToFDot6(glyph.getSubXFixed());
- dy = SkFixedToFDot6(glyph.getSubYFixed());
- // negate dy since freetype-y-goes-up and skia-y-goes-down
- dy = -dy;
- }
-- FT_Outline_Get_CBox(outline, &bbox);
-- /*
-- what we really want to do for subpixel is
-- offset(dx, dy)
-- compute_bounds
-- offset(bbox & !63)
-- but that is two calls to offset, so we do the following, which
-- achieves the same thing with only one offset call.
-- */
-- FT_Outline_Translate(outline, dx - ((bbox.xMin + dx) & ~63),
-- dy - ((bbox.yMin + dy) & ~63));
-+ memset(glyph.fImage, 0, glyph.rowBytes() * glyph.fHeight);
-
- if (SkMask::kLCD16_Format == glyph.fMaskFormat) {
-- FT_Render_Glyph(face->glyph, doVert ? FT_RENDER_MODE_LCD_V : FT_RENDER_MODE_LCD);
-+ FT_Outline_Translate(outline, dx, dy);
-+ FT_Error err = FT_Render_Glyph(face->glyph, doVert ? FT_RENDER_MODE_LCD_V : FT_RENDER_MODE_LCD);
-+ if (err) {
-+ return;
-+ }
-+
- SkMask mask;
- glyph.toMask(&mask);
-+
-+ FT_GlyphSlotRec& ftGlyph = *face->glyph;
-+
-+ if (!SkIRect::Intersects(mask.fBounds,
-+ SkIRect::MakeXYWH( ftGlyph.bitmap_left,
-+ -ftGlyph.bitmap_top,
-+ ftGlyph.bitmap.width,
-+ ftGlyph.bitmap.rows)))
-+ {
-+ return;
-+ }
-+
-+ // If the FT_Bitmap extent is larger, discard bits of the bitmap outside the mask.
-+ // If the SkMask extent is larger, shrink mask to fit bitmap (clearing discarded).
-+ unsigned char* origBuffer = ftGlyph.bitmap.buffer;
-+ // First align the top left (origin).
-+ if (-ftGlyph.bitmap_top < mask.fBounds.fTop) {
-+ int32_t topDiff = mask.fBounds.fTop - (-ftGlyph.bitmap_top);
-+ ftGlyph.bitmap.buffer += ftGlyph.bitmap.pitch * topDiff;
-+ ftGlyph.bitmap.rows -= topDiff;
-+ ftGlyph.bitmap_top = -mask.fBounds.fTop;
-+ }
-+ if (ftGlyph.bitmap_left < mask.fBounds.fLeft) {
-+ int32_t leftDiff = mask.fBounds.fLeft - ftGlyph.bitmap_left;
-+ ftGlyph.bitmap.buffer += leftDiff;
-+ ftGlyph.bitmap.width -= leftDiff;
-+ ftGlyph.bitmap_left = mask.fBounds.fLeft;
-+ }
-+ if (mask.fBounds.fTop < -ftGlyph.bitmap_top) {
-+ mask.fImage += mask.fRowBytes * (-ftGlyph.bitmap_top - mask.fBounds.fTop);
-+ mask.fBounds.fTop = -ftGlyph.bitmap_top;
-+ }
-+ if (mask.fBounds.fLeft < ftGlyph.bitmap_left) {
-+ mask.fImage += sizeof(uint16_t) * (ftGlyph.bitmap_left - mask.fBounds.fLeft);
-+ mask.fBounds.fLeft = ftGlyph.bitmap_left;
-+ }
-+ // Origins aligned, clean up the width and height.
-+ int ftVertScale = (doVert ? 3 : 1);
-+ int ftHoriScale = (doVert ? 1 : 3);
-+ if (mask.fBounds.height() * ftVertScale < SkToInt(ftGlyph.bitmap.rows)) {
-+ ftGlyph.bitmap.rows = mask.fBounds.height() * ftVertScale;
-+ }
-+ if (mask.fBounds.width() * ftHoriScale < SkToInt(ftGlyph.bitmap.width)) {
-+ ftGlyph.bitmap.width = mask.fBounds.width() * ftHoriScale;
-+ }
-+ if (SkToInt(ftGlyph.bitmap.rows) < mask.fBounds.height() * ftVertScale) {
-+ mask.fBounds.fBottom = mask.fBounds.fTop + ftGlyph.bitmap.rows / ftVertScale;
-+ }
-+ if (SkToInt(ftGlyph.bitmap.width) < mask.fBounds.width() * ftHoriScale) {
-+ mask.fBounds.fRight = mask.fBounds.fLeft + ftGlyph.bitmap.width / ftHoriScale;
-+ }
-+
- if (fPreBlend.isApplicable()) {
-- copyFT2LCD16<true>(face->glyph->bitmap, mask, doBGR,
-+ copyFT2LCD16<true>(ftGlyph.bitmap, mask, doBGR,
- fPreBlend.fR, fPreBlend.fG, fPreBlend.fB);
- } else {
-- copyFT2LCD16<false>(face->glyph->bitmap, mask, doBGR,
-+ copyFT2LCD16<false>(ftGlyph.bitmap, mask, doBGR,
- fPreBlend.fR, fPreBlend.fG, fPreBlend.fB);
- }
-+ // Restore the buffer pointer so FreeType can properly free it.
-+ ftGlyph.bitmap.buffer = origBuffer;
- } else {
-+ FT_BBox bbox;
-+ FT_Bitmap target;
-+ FT_Outline_Get_CBox(outline, &bbox);
-+ /*
-+ what we really want to do for subpixel is
-+ offset(dx, dy)
-+ compute_bounds
-+ offset(bbox & !63)
-+ but that is two calls to offset, so we do the following, which
-+ achieves the same thing with only one offset call.
-+ */
-+ FT_Outline_Translate(outline, dx - ((bbox.xMin + dx) & ~63),
-+ dy - ((bbox.yMin + dy) & ~63));
-+
- target.width = glyph.fWidth;
- target.rows = glyph.fHeight;
- target.pitch = glyph.rowBytes();
- target.buffer = reinterpret_cast<uint8_t*>(glyph.fImage);
- target.pixel_mode = compute_pixel_mode( (SkMask::Format)fRec.fMaskFormat);
- target.num_grays = 256;
-
-- memset(glyph.fImage, 0, glyph.rowBytes() * glyph.fHeight);
- FT_Outline_Get_Bitmap(face->glyph->library, outline, &target);
- }
- } break;
-
- case FT_GLYPH_FORMAT_BITMAP: {
- FT_Pixel_Mode pixel_mode = static_cast<FT_Pixel_Mode>(face->glyph->bitmap.pixel_mode);
- SkMask::Format maskFormat = static_cast<SkMask::Format>(glyph.fMaskFormat);
-