ui/gfx: Fix the file names of "canvas_skia_*" to say just "canvas_platform".

BUG=116572
R=asvitkine@chromium.org
TBR=sky@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9719018

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@127369 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 79 insertions, 0 deletions

diff --git a/ui/gfx/canvas_mac.mm b/ui/gfx/canvas_mac.mm
new file mode 100644
index 0000000..5230a1d
--- /dev/null
+++ b/ui/gfx/canvas_mac.mm
@@ -0,0 +1,79 @@
+// 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.
+
+#import <Cocoa/Cocoa.h>
+
+#include "ui/gfx/canvas.h"
+
+#include "base/logging.h"
+#include "base/sys_string_conversions.h"
+#include "third_party/skia/include/core/SkTypeface.h"
+#include "ui/gfx/font.h"
+
+// Note: This is a temporary Skia-based implementation of the ui/gfx text
+// rendering routines for views/aura.  It replaces the stale Cocoa-based
+// implementation.  A future |canvas_skia_skia.cc| implementation will supersede
+// this and the other platform-specific implmenentations.
+// Most drawing options, such as alignment and multi-line, are not implemented
+// here.
+
+namespace {
+
+SkTypeface::Style FontTypefaceStyle(const gfx::Font& font) {
+  int style = 0;
+  if (font.GetStyle() & gfx::Font::BOLD)
+    style |= SkTypeface::kBold;
+  if (font.GetStyle() & gfx::Font::ITALIC)
+    style |= SkTypeface::kItalic;
+
+  return static_cast<SkTypeface::Style>(style);
+}
+
+}  // namespace
+
+namespace gfx {
+
+// static
+void Canvas::SizeStringInt(const string16& text,
+                           const gfx::Font& font,
+                           int* width,
+                           int* height,
+                           int flags) {
+  NSFont* native_font = font.GetNativeFont();
+  NSString* ns_string = base::SysUTF16ToNSString(text);
+  NSDictionary* attributes =
+      [NSDictionary dictionaryWithObject:native_font
+                                  forKey:NSFontAttributeName];
+  NSSize string_size = [ns_string sizeWithAttributes:attributes];
+  *width = string_size.width;
+  *height = font.GetHeight();
+}
+
+void Canvas::DrawStringInt(const string16& text,
+                           const gfx::Font& font,
+                           const SkColor& color,
+                           int x, int y, int w, int h,
+                           int flags) {
+  SkTypeface* typeface = SkTypeface::CreateFromName(font.GetFontName().c_str(),
+                                                    FontTypefaceStyle(font));
+  SkPaint paint;
+  paint.setTypeface(typeface);
+  typeface->unref();
+  paint.setColor(color);
+  canvas_->drawText(text.c_str(),
+                    text.size() * sizeof(string16::value_type),
+                    x,
+                    y + h,
+                    paint);
+}
+
+void Canvas::DrawStringWithHalo(const string16& text,
+                                const gfx::Font& font,
+                                const SkColor& text_color,
+                                const SkColor& halo_color,
+                                int x, int y, int w, int h,
+                                int flags) {
+}
+
+}  // namespace gfx