ui/views/round_rect_painter.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/views/round_rect_painter.h"
   6
   7 #include "ui/gfx/canvas.h"
   8 #include "ui/gfx/path.h"
   9 #include "ui/gfx/skia_util.h"
  10
  11 namespace views {
  12
  13 RoundRectPainter::RoundRectPainter(SkColor border_color, int corner_radius)
  14     : border_color_(border_color),
  15       corner_radius_(corner_radius) {
  16 }
  17
  18 RoundRectPainter::~RoundRectPainter() {
  19 }
  20
  21 gfx::Size RoundRectPainter::GetMinimumSize() const {
  22   return gfx::Size(1, 1);
  23 }
  24
  25 void RoundRectPainter::Paint(gfx::Canvas* canvas, const gfx::Size& size) {
  26   SkPaint paint;
  27   paint.setColor(border_color_);
  28   paint.setStyle(SkPaint::kStroke_Style);
  29   paint.setStrokeWidth(1);
  30   paint.setFlags(SkPaint::kAntiAlias_Flag);
  31   gfx::Rect rect(size);
  32   rect.Inset(0, 0, 1, 1);
  33   SkRect skia_rect = gfx::RectToSkRect(rect);
  34   skia_rect.offset(.5, .5);
  35   canvas->sk_canvas()->drawRoundRect(skia_rect, SkIntToScalar(corner_radius_),
  36       SkIntToScalar(corner_radius_), paint);
  37 }
  38
  39 }  // namespace views