[arch-commits] Commit in firefox/trunk (PKGBUILD clip-ft-glyph.diff)

Jan Steffens heftig at archlinux.org
Mon Sep 18 13:25:27 UTC 2017


    Date: Monday, September 18, 2017 @ 13:25:26
  Author: heftig
Revision: 305802

55.0.3-3

Added:
  firefox/trunk/clip-ft-glyph.diff
Modified:
  firefox/trunk/PKGBUILD

--------------------+
 PKGBUILD           |   13 ++--
 clip-ft-glyph.diff |  162 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 171 insertions(+), 4 deletions(-)

Modified: PKGBUILD
===================================================================
--- PKGBUILD	2017-09-18 13:16:17 UTC (rev 305801)
+++ PKGBUILD	2017-09-18 13:25:26 UTC (rev 305802)
@@ -5,7 +5,7 @@
 
 pkgname=firefox
 pkgver=55.0.3
-pkgrel=2
+pkgrel=3
 pkgdesc="Standalone web browser from mozilla.org"
 arch=(i686 x86_64)
 license=(MPL GPL LGPL)
@@ -23,16 +23,18 @@
 source=("hg+$_repo#tag=FIREFOX_${pkgver//./_}_RELEASE"
         $pkgname.desktop firefox-symbolic.svg
         wifi-disentangle.patch wifi-fix-interface.patch
-        firefox-install-dir.patch no-crmf.diff glibc-2.26-fix.diff harmony-fix.diff)
+        clip-ft-glyph.diff harmony-fix.diff
+        firefox-install-dir.patch no-crmf.diff glibc-2.26-fix.diff)
 sha256sums=('SKIP'
             'ada313750e6fb14558b37c764409a17c1672a351a46c73b350aa1fe4ea9220ef'
             'a2474b32b9b2d7e0fb53a4c89715507ad1c194bef77713d798fa39d507def9e9'
             'f068b84ad31556095145d8fefc012dd3d1458948533ed3fff6cbc7250b6e73ed'
             'e98a3453d803cc7ddcb81a7dc83f883230dd8591bdf936fc5a868428979ed1f1'
+            'd5e5580a96ecc4a66ce12dde0737c1ed5cb31017a6ec488ffe372192ed893e1b'
+            '16bb776e9f3039321db747b2eaece0cda1320f3711fb853a68d67247b0aa065d'
             'd86e41d87363656ee62e12543e2f5181aadcff448e406ef3218e91865ae775cd'
             'fb85a538044c15471c12cf561d6aa74570f8de7b054a7063ef88ee1bdfc1ccbb'
-            'cd7ff441da66a287f8712e60cdc9e216c30355d521051e2eaae28a66d81915e8'
-            '16bb776e9f3039321db747b2eaece0cda1320f3711fb853a68d67247b0aa065d')
+            'cd7ff441da66a287f8712e60cdc9e216c30355d521051e2eaae28a66d81915e8')
 
 # Google API keys (see http://www.chromium.org/developers/how-tos/api-keys)
 # Note: These are for Arch Linux use ONLY. For your own distribution, please
@@ -64,6 +66,9 @@
   patch -Np1 -i ../wifi-disentangle.patch
   patch -Np1 -i ../wifi-fix-interface.patch
 
+  # https://bugzilla.mozilla.org/show_bug.cgi?id=1393467
+  patch -Np1 -i ../clip-ft-glyph.diff
+
   # https://bugzilla.mozilla.org/show_bug.cgi?id=1400721
   patch -Np1 -i ../harmony-fix.diff
 

Added: clip-ft-glyph.diff
===================================================================
--- clip-ft-glyph.diff	                        (rev 0)
+++ clip-ft-glyph.diff	2017-09-18 13:25:26 UTC (rev 305802)
@@ -0,0 +1,162 @@
+# HG changeset patch
+# User Lee Salzman <lsalzman at mozilla.com>
+# Date 1504120456 14400
+#      Wed Aug 30 15:14:16 2017 -0400
+# Node ID 708d52f954b6d7ca2497fcb5b5084c6483300e89
+# Parent  33224536ce20d942576cd4b9ffb350d6dce397bc
+clip FreeType glyph bitmap to mask in Skia
+
+MozReview-Commit-ID: 9NqLj9SkHFo
+
+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
+@@ -390,65 +390,131 @@ 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_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) {
+                     SK_TRACEFTR(err, "Could not render glyph.");
+-                    sk_bzero(glyph.fImage, glyph.computeImageSize());
+                     return;
+                 }
++
+                 SkMask mask;
+                 glyph.toMask(&mask);
++#ifdef SK_SHOW_TEXT_BLIT_COVERAGE
++                memset(mask.fImage, 0x80, mask.fBounds.height() * mask.fRowBytes);
++#endif
++                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);
++#ifdef SK_SHOW_TEXT_BLIT_COVERAGE
++                for (int y = 0; y < glyph.fHeight; ++y) {
++                    for (int x = 0; x < glyph.fWidth; ++x) {
++                        uint8_t& a = ((uint8_t*)glyph.fImage)[(glyph.rowBytes() * y) + x];
++                        a = SkTMax<uint8_t>(a, 0x20);
++                    }
++                }
++#endif
+             }
+         } 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);
+ 
+             // Assume that the other formats do not exist.



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