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-rw-r--r--gfx/font_mac.mm92
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diff --git a/gfx/font_mac.mm b/gfx/font_mac.mm
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--- a/gfx/font_mac.mm
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-// Copyright (c) 2010 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 "gfx/font.h"
-
-#include <Cocoa/Cocoa.h>
-
-#include "base/logging.h"
-#include "base/scoped_nsobject.h"
-#include "base/sys_string_conversions.h"
-#include "gfx/canvas_skia.h"
-
-namespace gfx {
-
-// static
-Font Font::CreateFont(const std::wstring& font_name, int font_size) {
- return Font(font_name, font_size, NORMAL);
-}
-
-Font::Font(const std::wstring& font_name, int font_size, int style)
- : font_name_(font_name),
- font_size_(font_size),
- style_(style) {
- calculateMetrics();
-}
-
-Font::Font()
- : font_size_([NSFont systemFontSize]),
- style_(NORMAL) {
- NSFont* system_font = [NSFont systemFontOfSize:font_size_];
- font_name_ = base::SysNSStringToWide([system_font fontName]);
- calculateMetrics();
-}
-
-void Font::calculateMetrics() {
- NSFont* font = nativeFont();
- scoped_nsobject<NSLayoutManager> layout_manager(
- [[NSLayoutManager alloc] init]);
- height_ = [layout_manager defaultLineHeightForFont:font];
- ascent_ = [font ascender];
- avg_width_ = [font boundingRectForGlyph:[font glyphWithName:@"x"]].size.width;
-}
-
-Font Font::DeriveFont(int size_delta, int style) const {
- return Font(font_name_, font_size_ + size_delta, style);
-}
-
-int Font::height() const {
- return height_;
-}
-
-int Font::baseline() const {
- return ascent_;
-}
-
-int Font::ave_char_width() const {
- return avg_width_;
-}
-
-int Font::GetStringWidth(const std::wstring& text) const {
- int width = 0, height = 0;
- CanvasSkia::SizeStringInt(text, *this, &width, &height,
- gfx::Canvas::NO_ELLIPSIS);
- return width;
-}
-
-int Font::GetExpectedTextWidth(int length) const {
- return length * avg_width_;
-}
-
-int Font::style() const {
- return style_;
-}
-
-const std::wstring& Font::FontName() const {
- return font_name_;
-}
-
-int Font::FontSize() {
- return font_size_;
-}
-
-NativeFont Font::nativeFont() const {
- // TODO(pinkerton): apply |style_| to font. http://crbug.com/34667
- // We could cache this, but then we'd have to conditionally change the
- // dtor just for MacOS. Not sure if we want to/need to do that.
- return [NSFont fontWithName:base::SysWideToNSString(font_name_)
- size:font_size_];
-}
-
-} // namespace gfx