More old files deletion.

ui/gfx/platform_font_mac.mm

-// 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 "ui/gfx/platform_font_mac.h"
-
-#include <Cocoa/Cocoa.h>
-
-#include "base/basictypes.h"
-#include "base/mac/scoped_nsobject.h"
-#include "base/strings/sys_string_conversions.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/font.h"
-#include "ui/gfx/font_render_params.h"
-
-namespace gfx {
-
-namespace {
-
-// Returns an autoreleased NSFont created with the passed-in specifications.
-NSFont* NSFontWithSpec(const std::string& font_name,
-                       int font_size,
-                       int font_style) {
-  NSFontSymbolicTraits trait_bits = 0;
-  if (font_style & Font::BOLD)
-    trait_bits |= NSFontBoldTrait;
-  if (font_style & Font::ITALIC)
-    trait_bits |= NSFontItalicTrait;
-  // The Mac doesn't support underline as a font trait, so just drop it.
-  // (Underlines must be added as an attribute on an NSAttributedString.)
-  NSDictionary* traits = @{ NSFontSymbolicTrait : @(trait_bits) };
-
-  NSDictionary* attrs = @{
-    NSFontFamilyAttribute : base::SysUTF8ToNSString(font_name),
-    NSFontTraitsAttribute : traits
-  };
-  NSFontDescriptor* descriptor =
-      [NSFontDescriptor fontDescriptorWithFontAttributes:attrs];
-  NSFont* font = [NSFont fontWithDescriptor:descriptor size:font_size];
-  if (font)
-    return font;
-
-  // Make one fallback attempt by looking up via font name rather than font
-  // family name.
-  attrs = @{
-    NSFontNameAttribute : base::SysUTF8ToNSString(font_name),
-    NSFontTraitsAttribute : traits
-  };
-  descriptor = [NSFontDescriptor fontDescriptorWithFontAttributes:attrs];
-  return [NSFont fontWithDescriptor:descriptor size:font_size];
-}
-
-}  // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// PlatformFontMac, public:
-
-PlatformFontMac::PlatformFontMac()
-    : native_font_([[NSFont systemFontOfSize:[NSFont systemFontSize]] retain]),
-      font_name_(base::SysNSStringToUTF8([native_font_ familyName])),
-      font_size_([NSFont systemFontSize]),
-      font_style_(Font::NORMAL) {
-  CalculateMetrics();
-}
-
-PlatformFontMac::PlatformFontMac(NativeFont native_font)
-    : native_font_([native_font retain]),
-      font_name_(base::SysNSStringToUTF8([native_font_ familyName])),
-      font_size_([native_font_ pointSize]),
-      font_style_(Font::NORMAL) {
-  NSFontSymbolicTraits traits = [[native_font fontDescriptor] symbolicTraits];
-  if (traits & NSFontItalicTrait)
-    font_style_ |= Font::ITALIC;
-  if (traits & NSFontBoldTrait)
-    font_style_ |= Font::BOLD;
-
-  CalculateMetrics();
-}
-
-PlatformFontMac::PlatformFontMac(const std::string& font_name,
-                                 int font_size)
-    : native_font_([NSFontWithSpec(font_name, font_size, Font::NORMAL) retain]),
-      font_name_(font_name),
-      font_size_(font_size),
-      font_style_(Font::NORMAL) {
-  CalculateMetrics();
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// PlatformFontMac, PlatformFont implementation:
-
-Font PlatformFontMac::DeriveFont(int size_delta, int style) const {
-  return Font(new PlatformFontMac(font_name_, font_size_ + size_delta, style));
-}
-
-int PlatformFontMac::GetHeight() const {
-  return height_;
-}
-
-int PlatformFontMac::GetBaseline() const {
-  return ascent_;
-}
-
-int PlatformFontMac::GetCapHeight() const {
-  return cap_height_;
-}
-
-int PlatformFontMac::GetExpectedTextWidth(int length) const {
-  return length * average_width_;
-}
-
-int PlatformFontMac::GetStyle() const {
-  return font_style_;
-}
-
-std::string PlatformFontMac::GetFontName() const {
-  return font_name_;
-}
-
-std::string PlatformFontMac::GetActualFontNameForTesting() const {
-  return base::SysNSStringToUTF8([native_font_ familyName]);
-}
-
-int PlatformFontMac::GetFontSize() const {
-  return font_size_;
-}
-
-const FontRenderParams& PlatformFontMac::GetFontRenderParams() const {
-  NOTIMPLEMENTED();
-  static FontRenderParams params;
-  return params;
-}
-
-NativeFont PlatformFontMac::GetNativeFont() const {
-  return [[native_font_.get() retain] autorelease];
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// PlatformFontMac, private:
-
-PlatformFontMac::PlatformFontMac(const std::string& font_name,
-                                 int font_size,
-                                 int font_style)
-    : native_font_([NSFontWithSpec(font_name, font_size, font_style) retain]),
-      font_name_(font_name),
-      font_size_(font_size),
-      font_style_(font_style) {
-  CalculateMetrics();
-}
-
-PlatformFontMac::~PlatformFontMac() {
-}
-
-void PlatformFontMac::CalculateMetrics() {
-  NSFont* font = native_font_.get();
-  if (!font) {
-    // This object was constructed from a font name that doesn't correspond to
-    // an actual font. Don't waste time working out metrics.
-    height_ = 0;
-    ascent_ = 0;
-    cap_height_ = 0;
-    average_width_ = 0;
-    return;
-  }
-
-  base::scoped_nsobject<NSLayoutManager> layout_manager(
-      [[NSLayoutManager alloc] init]);
-  height_ = SkScalarCeilToInt([layout_manager defaultLineHeightForFont:font]);
-  ascent_ = SkScalarCeilToInt([font ascender]);
-  cap_height_ = SkScalarCeilToInt([font capHeight]);
-  average_width_ =
-      NSWidth([font boundingRectForGlyph:[font glyphWithName:@"x"]]);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// PlatformFont, public:
-
-// static
-PlatformFont* PlatformFont::CreateDefault() {
-  return new PlatformFontMac;
-}
-
-// static
-PlatformFont* PlatformFont::CreateFromNativeFont(NativeFont native_font) {
-  return new PlatformFontMac(native_font);
-}
-
-// static
-PlatformFont* PlatformFont::CreateFromNameAndSize(const std::string& font_name,
-                                                  int font_size) {
-  return new PlatformFontMac(font_name, font_size);
-}
-
-}  // namespace gfx