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-rw-r--r--content/renderer/render_view_linux.cc112
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diff --git a/content/renderer/render_view_linux.cc b/content/renderer/render_view_linux.cc
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+++ b/content/renderer/render_view_linux.cc
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+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/renderer/render_view.h"
+
+#include "content/common/renderer_preferences.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/linux/WebFontRendering.h"
+
+using WebKit::WebFontRendering;
+
+static SkPaint::Hinting RendererPreferencesToSkiaHinting(
+ const RendererPreferences& prefs) {
+ if (!prefs.should_antialias_text) {
+ // When anti-aliasing is off, GTK maps all non-zero hinting settings to
+ // 'Normal' hinting so we do the same. Otherwise, folks who have 'Slight'
+ // hinting selected will see readable text in everything expect Chromium.
+ switch (prefs.hinting) {
+ case RENDERER_PREFERENCES_HINTING_NONE:
+ return SkPaint::kNo_Hinting;
+ case RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT:
+ case RENDERER_PREFERENCES_HINTING_SLIGHT:
+ case RENDERER_PREFERENCES_HINTING_MEDIUM:
+ case RENDERER_PREFERENCES_HINTING_FULL:
+ return SkPaint::kNormal_Hinting;
+ default:
+ NOTREACHED();
+ return SkPaint::kNormal_Hinting;
+ }
+ }
+
+ switch (prefs.hinting) {
+ case RENDERER_PREFERENCES_HINTING_SYSTEM_DEFAULT:
+ return SkPaint::kNormal_Hinting;
+ case RENDERER_PREFERENCES_HINTING_NONE:
+ return SkPaint::kNo_Hinting;
+ case RENDERER_PREFERENCES_HINTING_SLIGHT:
+ return SkPaint::kSlight_Hinting;
+ case RENDERER_PREFERENCES_HINTING_MEDIUM:
+ return SkPaint::kNormal_Hinting;
+ case RENDERER_PREFERENCES_HINTING_FULL:
+ return SkPaint::kFull_Hinting;
+ default:
+ NOTREACHED();
+ return SkPaint::kNormal_Hinting;
+ }
+}
+
+static SkFontHost::LCDOrder RendererPreferencesToSkiaLCDOrder(
+ RendererPreferencesSubpixelRenderingEnum subpixel) {
+ switch (subpixel) {
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT:
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE:
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_RGB:
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VRGB:
+ return SkFontHost::kRGB_LCDOrder;
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_BGR:
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VBGR:
+ return SkFontHost::kBGR_LCDOrder;
+ default:
+ NOTREACHED();
+ return SkFontHost::kRGB_LCDOrder;
+ }
+}
+
+static SkFontHost::LCDOrientation
+ RendererPreferencesToSkiaLCDOrientation(
+ RendererPreferencesSubpixelRenderingEnum subpixel) {
+ switch (subpixel) {
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT:
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE:
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_RGB:
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_BGR:
+ return SkFontHost::kHorizontal_LCDOrientation;
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VRGB:
+ case RENDERER_PREFERENCES_SUBPIXEL_RENDERING_VBGR:
+ return SkFontHost::kVertical_LCDOrientation;
+ default:
+ NOTREACHED();
+ return SkFontHost::kHorizontal_LCDOrientation;
+ }
+}
+
+static bool RendererPreferencesToAntiAliasFlag(
+ const RendererPreferences& prefs) {
+ return prefs.should_antialias_text;
+}
+
+static bool RendererPreferencesToSubpixelGlyphsFlag(
+ const RendererPreferences& prefs) {
+ if (prefs.subpixel_rendering !=
+ RENDERER_PREFERENCES_SUBPIXEL_RENDERING_SYSTEM_DEFAULT &&
+ prefs.subpixel_rendering !=
+ RENDERER_PREFERENCES_SUBPIXEL_RENDERING_NONE) {
+ return true;
+ }
+
+ return false;
+}
+
+void RenderView::UpdateFontRenderingFromRendererPrefs() {
+ const RendererPreferences& prefs = renderer_preferences_;
+ WebFontRendering::setHinting(
+ RendererPreferencesToSkiaHinting(prefs));
+ WebFontRendering::setLCDOrder(
+ RendererPreferencesToSkiaLCDOrder(prefs.subpixel_rendering));
+ WebFontRendering::setLCDOrientation(
+ RendererPreferencesToSkiaLCDOrientation(prefs.subpixel_rendering));
+ WebFontRendering::setAntiAlias(RendererPreferencesToAntiAliasFlag(prefs));
+ WebFontRendering::setSubpixelGlyphs(
+ RendererPreferencesToSubpixelGlyphsFlag(prefs));
+}