| /* |
| * 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "third_party/blink/renderer/core/layout/layout_theme_font_provider.h" |
| |
| #include "third_party/blink/renderer/core/css_value_keywords.h" |
| #include "third_party/blink/renderer/platform/fonts/font_cache.h" |
| #include "third_party/blink/renderer/platform/fonts/font_description.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace blink { |
| |
| constexpr float kDefaultFontSize = 16.0; |
| |
| // Converts |points| to pixels. One point is 1/72 of an inch. |
| static float PointsToPixels(float points) { |
| const float kPixelsPerInch = 96.0f; |
| const float kPointsPerInch = 72.0f; |
| return points / kPointsPerInch * kPixelsPerInch; |
| } |
| |
| // static |
| void LayoutThemeFontProvider::SystemFont(CSSValueID system_font_id, |
| FontSelectionValue& font_style, |
| FontSelectionValue& font_weight, |
| float& font_size, |
| AtomicString& font_family) { |
| font_style = NormalSlopeValue(); |
| font_weight = NormalWeightValue(); |
| |
| switch (system_font_id) { |
| case CSSValueID::kSmallCaption: |
| font_size = FontCache::SmallCaptionFontHeight(); |
| font_family = FontCache::SmallCaptionFontFamily(); |
| break; |
| case CSSValueID::kMenu: |
| font_size = FontCache::MenuFontHeight(); |
| font_family = FontCache::MenuFontFamily(); |
| break; |
| case CSSValueID::kStatusBar: |
| font_size = FontCache::StatusFontHeight(); |
| font_family = FontCache::StatusFontFamily(); |
| break; |
| case CSSValueID::kWebkitMiniControl: |
| case CSSValueID::kWebkitSmallControl: |
| case CSSValueID::kWebkitControl: |
| // Why 2 points smaller? Because that's what Gecko does. |
| font_size = kDefaultFontSize - PointsToPixels(2); |
| font_family = DefaultGUIFont(); |
| break; |
| default: |
| font_size = kDefaultFontSize; |
| font_family = DefaultGUIFont(); |
| break; |
| } |
| } |
| |
| } // namespace blink |