ben@chromium.org
0b74269f91
Rename files too. TBR=brettw http://crbug.com/11387 Review URL: http://codereview.chromium.org/113443 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16148 0039d316-1c4b-4281-b951-d872f2087c98
114 linhas
3.0 KiB
C++
114 linhas
3.0 KiB
C++
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "views/background.h"
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#include "app/gfx/canvas.h"
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#include "base/logging.h"
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#include "skia/ext/skia_utils_win.h"
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#include "third_party/skia/include/core/SkPaint.h"
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#include "views/painter.h"
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#include "views/view.h"
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namespace views {
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// SolidBackground is a trivial Background implementation that fills the
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// background in a solid color.
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class SolidBackground : public Background {
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public:
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explicit SolidBackground(const SkColor& color) :
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color_(color) {
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SetNativeControlColor(color_);
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}
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void Paint(gfx::Canvas* canvas, View* view) const {
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// Fill the background. Note that we don't constrain to the bounds as
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// canvas is already clipped for us.
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canvas->drawColor(color_);
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}
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private:
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const SkColor color_;
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DISALLOW_EVIL_CONSTRUCTORS(SolidBackground);
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};
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class BackgroundPainter : public Background {
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public:
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BackgroundPainter(bool owns_painter, Painter* painter)
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: owns_painter_(owns_painter), painter_(painter) {
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DCHECK(painter);
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}
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virtual ~BackgroundPainter() {
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if (owns_painter_)
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delete painter_;
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}
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void Paint(gfx::Canvas* canvas, View* view) const {
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Painter::PaintPainterAt(0, 0, view->width(), view->height(), canvas,
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painter_);
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}
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private:
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bool owns_painter_;
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Painter* painter_;
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DISALLOW_EVIL_CONSTRUCTORS(BackgroundPainter);
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};
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Background::Background()
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#if defined(OS_WIN)
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: native_control_brush_(NULL)
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#endif
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{
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}
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Background::~Background() {
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#if defined(OS_WIN)
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DeleteObject(native_control_brush_);
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#endif
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}
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void Background::SetNativeControlColor(SkColor color) {
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#if defined(OS_WIN)
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DeleteObject(native_control_brush_);
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native_control_brush_ = CreateSolidBrush(skia::SkColorToCOLORREF(color));
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#endif
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}
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//static
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Background* Background::CreateSolidBackground(const SkColor& color) {
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return new SolidBackground(color);
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}
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//static
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Background* Background::CreateStandardPanelBackground() {
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return CreateVerticalGradientBackground(SkColorSetRGB(246, 250, 255),
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SkColorSetRGB(219, 235, 255));
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}
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//static
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Background* Background::CreateVerticalGradientBackground(
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const SkColor& color1, const SkColor& color2) {
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Background *background =
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CreateBackgroundPainter(true, Painter::CreateVerticalGradient(color1,
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color2));
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background->SetNativeControlColor( // 50% blend of colors 1 & 2
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SkColorSetRGB((SkColorGetR(color1) + SkColorGetR(color2)) / 2,
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(SkColorGetG(color1) + SkColorGetG(color2)) / 2,
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(SkColorGetB(color1) + SkColorGetB(color2)) / 2));
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return background;
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}
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//static
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Background* Background::CreateBackgroundPainter(bool owns_painter,
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Painter* painter) {
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return new BackgroundPainter(owns_painter, painter);
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}
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} // namespace views
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