Index: Source/platform/fonts/harfbuzz/HarfBuzzFaceCoreText.mm |
diff --git a/Source/platform/fonts/harfbuzz/HarfBuzzFaceCoreText.mm b/Source/platform/fonts/harfbuzz/HarfBuzzFaceCoreText.mm |
deleted file mode 100644 |
index 84687955f01a7ae145d05a627f0edb316210e27a..0000000000000000000000000000000000000000 |
--- a/Source/platform/fonts/harfbuzz/HarfBuzzFaceCoreText.mm |
+++ /dev/null |
@@ -1,161 +0,0 @@ |
-/* |
- * Copyright (c) 2012 Google Inc. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions are |
- * met: |
- * |
- * * Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * * Redistributions in binary form must reproduce the above |
- * copyright notice, this list of conditions and the following disclaimer |
- * in the documentation and/or other materials provided with the |
- * distribution. |
- * * Neither the name of Google Inc. nor the names of its |
- * contributors may be used to endorse or promote products derived from |
- * this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#include "config.h" |
-#include "platform/fonts/harfbuzz/HarfBuzzFace.h" |
- |
-#include "hb-coretext.h" |
-#include "hb.h" |
-#include "platform/fonts/FontPlatformData.h" |
-#include "platform/fonts/SimpleFontData.h" |
-#include "platform/fonts/harfbuzz/HarfBuzzShaper.h" |
-#include <AppKit/AppKit.h> |
-#include <ApplicationServices/ApplicationServices.h> |
- |
-// The names of these constants were taken from history |
-// /trunk/WebKit/WebCoreSupport.subproj/WebTextRenderer.m@9311. The values |
-// were derived from the assembly of libWebKitSystemInterfaceLeopard.a. |
-enum CGFontRenderingMode { |
- kCGFontRenderingMode1BitPixelAligned = 0x0, |
- kCGFontRenderingModeAntialiasedPixelAligned = 0x1, |
- kCGFontRenderingModeAntialiased = 0xd |
-}; |
- |
-// Forward declare Mac SPIs. |
-extern "C" { |
-// Request for public API: rdar://13803586 |
-bool CGFontGetGlyphAdvancesForStyle(CGFontRef font, CGAffineTransform* transform, CGFontRenderingMode renderingMode, ATSGlyphRef* glyph, size_t count, CGSize* advance); |
-} |
- |
-static CGFontRenderingMode cgFontRenderingModeForNSFont(NSFont* font) { |
- if (!font) |
- return kCGFontRenderingModeAntialiasedPixelAligned; |
- |
- switch ([font renderingMode]) { |
- case NSFontIntegerAdvancementsRenderingMode: return kCGFontRenderingMode1BitPixelAligned; |
- case NSFontAntialiasedIntegerAdvancementsRenderingMode: return kCGFontRenderingModeAntialiasedPixelAligned; |
- default: return kCGFontRenderingModeAntialiased; |
- } |
-} |
- |
-namespace blink { |
- |
-static void advanceForGlyph(Glyph glyph, const FontPlatformData& platformData, CGSize* advance) { |
- float pointSize = platformData.m_textSize; |
- NSFont *font = platformData.font(); |
- CGAffineTransform m = CGAffineTransformMakeScale(pointSize, pointSize); |
- if (!CGFontGetGlyphAdvancesForStyle(platformData.cgFont(), &m, cgFontRenderingModeForNSFont(font), &glyph, 1, advance)) { |
- WTF_LOG_ERROR("Unable to retrieve glyph advance for %@ %f", [font displayName], pointSize); |
- advance->width = 0; |
- } |
-} |
- |
-static hb_position_t floatToHarfBuzzPosition(CGFloat value) |
-{ |
- return static_cast<hb_position_t>(value * (1 << 16)); |
-} |
- |
-static hb_bool_t getGlyph(hb_font_t* hbFont, void* fontData, hb_codepoint_t unicode, hb_codepoint_t variationSelector, hb_codepoint_t* glyph, void* userData) |
-{ |
- CTFontRef ctFont = reinterpret_cast<FontPlatformData*>(fontData)->ctFont(); |
- UniChar characters[4]; |
- CGGlyph cgGlyphs[4]; |
- size_t length = 0; |
- U16_APPEND_UNSAFE(characters, length, unicode); |
- if (!CTFontGetGlyphsForCharacters(ctFont, characters, cgGlyphs, length)) |
- return false; |
- *glyph = cgGlyphs[0]; |
- return true; |
-} |
- |
- |
-static hb_position_t getGlyphHorizontalAdvance(hb_font_t* hbFont, void* fontData, hb_codepoint_t glyph, void* userData) |
-{ |
- CGSize advance; |
- FontPlatformData* platformData = reinterpret_cast<FontPlatformData*>(fontData); |
- advanceForGlyph(glyph, *platformData, &advance); |
- float syntheticBoldOffset = platformData->m_syntheticBold ? 1.0f : 0.0f; |
- return floatToHarfBuzzPosition(advance.width + syntheticBoldOffset); |
-} |
- |
-static hb_bool_t getGlyphHorizontalOrigin(hb_font_t* hbFont, void* fontData, hb_codepoint_t glyph, hb_position_t* x, hb_position_t* y, void* userData) |
-{ |
- return true; |
-} |
- |
-static hb_bool_t getGlyphExtents(hb_font_t* hbFont, void* fontData, hb_codepoint_t glyph, hb_glyph_extents_t* extents, void* userData) |
-{ |
- CTFontRef ctFont = reinterpret_cast<FontPlatformData*>(fontData)->ctFont(); |
- CGRect cgRect; |
- CGGlyph cgGlyph = glyph; |
- if (CTFontGetBoundingRectsForGlyphs(ctFont, kCTFontDefaultOrientation, &cgGlyph, &cgRect, 1) == CGRectNull) |
- return false; |
- extents->x_bearing = floatToHarfBuzzPosition(cgRect.origin.x); |
- extents->y_bearing = -floatToHarfBuzzPosition(cgRect.origin.y); |
- extents->width = floatToHarfBuzzPosition(cgRect.size.width); |
- extents->height = floatToHarfBuzzPosition(cgRect.size.height); |
- return true; |
-} |
- |
-static hb_font_funcs_t* harfBuzzCoreTextGetFontFuncs() |
-{ |
- static hb_font_funcs_t* harfBuzzCoreTextFontFuncs = 0; |
- |
- if (!harfBuzzCoreTextFontFuncs) { |
- harfBuzzCoreTextFontFuncs = hb_font_funcs_create(); |
- hb_font_funcs_set_glyph_func(harfBuzzCoreTextFontFuncs, getGlyph, 0, 0); |
- hb_font_funcs_set_glyph_h_advance_func(harfBuzzCoreTextFontFuncs, getGlyphHorizontalAdvance, 0, 0); |
- hb_font_funcs_set_glyph_h_origin_func(harfBuzzCoreTextFontFuncs, getGlyphHorizontalOrigin, 0, 0); |
- hb_font_funcs_set_glyph_extents_func(harfBuzzCoreTextFontFuncs, getGlyphExtents, 0, 0); |
- hb_font_funcs_make_immutable(harfBuzzCoreTextFontFuncs); |
- } |
- return harfBuzzCoreTextFontFuncs; |
-} |
- |
-hb_face_t* HarfBuzzFace::createFace() |
-{ |
- hb_face_t* face = hb_coretext_face_create(m_platformData->cgFont()); |
- ASSERT(face); |
- return face; |
-} |
- |
-hb_font_t* HarfBuzzFace::createFont() |
-{ |
- hb_font_t* font = hb_font_create(m_face); |
- hb_font_set_funcs(font, harfBuzzCoreTextGetFontFuncs(), m_platformData, 0); |
- const float size = m_platformData->m_textSize; |
- hb_font_set_ppem(font, size, size); |
- const int scale = (1 << 16) * static_cast<int>(size); |
- hb_font_set_scale(font, scale, scale); |
- hb_font_make_immutable(font); |
- return font; |
-} |
- |
-} // namespace blink |