| // Copyright (c) 2012 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_impl.h" |
| |
| #include "content/public/common/renderer_preferences.h" |
| #include "third_party/WebKit/public/web/linux/WebFontRendering.h" |
| |
| using blink::WebFontRendering; |
| |
| namespace content { |
| |
| namespace { |
| |
| 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 gfx::FontRenderParams::HINTING_NONE: |
| return SkPaint::kNo_Hinting; |
| case gfx::FontRenderParams::HINTING_SLIGHT: |
| case gfx::FontRenderParams::HINTING_MEDIUM: |
| case gfx::FontRenderParams::HINTING_FULL: |
| return SkPaint::kNormal_Hinting; |
| default: |
| NOTREACHED(); |
| return SkPaint::kNormal_Hinting; |
| } |
| } |
| |
| switch (prefs.hinting) { |
| case gfx::FontRenderParams::HINTING_NONE: return SkPaint::kNo_Hinting; |
| case gfx::FontRenderParams::HINTING_SLIGHT: return SkPaint::kSlight_Hinting; |
| case gfx::FontRenderParams::HINTING_MEDIUM: return SkPaint::kNormal_Hinting; |
| case gfx::FontRenderParams::HINTING_FULL: return SkPaint::kFull_Hinting; |
| default: |
| NOTREACHED(); |
| return SkPaint::kNormal_Hinting; |
| } |
| } |
| |
| SkFontHost::LCDOrder RendererPreferencesToSkiaLCDOrder( |
| const RendererPreferences& prefs) { |
| switch (prefs.subpixel_rendering) { |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE: |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_RGB: |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_VRGB: |
| return SkFontHost::kRGB_LCDOrder; |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_BGR: |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_VBGR: |
| return SkFontHost::kBGR_LCDOrder; |
| default: |
| NOTREACHED(); |
| return SkFontHost::kRGB_LCDOrder; |
| } |
| } |
| |
| SkFontHost::LCDOrientation RendererPreferencesToSkiaLCDOrientation( |
| const RendererPreferences& prefs) { |
| switch (prefs.subpixel_rendering) { |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE: |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_RGB: |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_BGR: |
| return SkFontHost::kHorizontal_LCDOrientation; |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_VRGB: |
| case gfx::FontRenderParams::SUBPIXEL_RENDERING_VBGR: |
| return SkFontHost::kVertical_LCDOrientation; |
| default: |
| NOTREACHED(); |
| return SkFontHost::kHorizontal_LCDOrientation; |
| } |
| } |
| |
| } // namespace |
| |
| void RenderViewImpl::UpdateFontRenderingFromRendererPrefs() { |
| const RendererPreferences& prefs = renderer_preferences_; |
| WebFontRendering::setHinting(RendererPreferencesToSkiaHinting(prefs)); |
| WebFontRendering::setAutoHint(prefs.use_autohinter); |
| WebFontRendering::setUseBitmaps(prefs.use_bitmaps); |
| WebFontRendering::setLCDOrder(RendererPreferencesToSkiaLCDOrder(prefs)); |
| WebFontRendering::setLCDOrientation( |
| RendererPreferencesToSkiaLCDOrientation(prefs)); |
| WebFontRendering::setAntiAlias(prefs.should_antialias_text); |
| WebFontRendering::setSubpixelRendering( |
| prefs.subpixel_rendering != |
| gfx::FontRenderParams::SUBPIXEL_RENDERING_NONE); |
| WebFontRendering::setSubpixelPositioning(prefs.use_subpixel_positioning); |
| } |
| |
| } // namespace content |