e8fe4bc3ef
https://codereview.appspot.com/7311084/ git-svn-id: http://skia.googlecode.com/svn/trunk@7710 2bbb7eff-a529-9590-31e7-b0007b416f81
83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
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/*
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* Copyright 2012 Google Inc.
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*
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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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*/
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#ifndef SKCANVASWIDGET_H_
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#define SKCANVASWIDGET_H_
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#include <QWidget>
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#include <QHBoxLayout>
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#include "SkStream.h"
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#include "SkRasterWidget.h"
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#include "SkGLWidget.h"
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#include "SkDebugger.h"
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class SkCanvasWidget : public QWidget {
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Q_OBJECT
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public:
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SkCanvasWidget(QWidget* parent, SkDebugger* debugger);
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~SkCanvasWidget();
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enum WidgetType {
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kRaster_8888_WidgetType = 1 << 0,
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#if SK_SUPPORT_GPU
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kGPU_WidgetType = 1 << 1,
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#endif
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};
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void drawTo(int index);
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void setWidgetVisibility(WidgetType type, bool isHidden);
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/** Zooms the canvas by scale with the transformation centered at the widget point (px, py). */
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void zoom(float scale, int px, int py);
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void resetWidgetTransform();
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enum ZoomCommandTypes {
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kIn_ZoomCommand,
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kOut_ZoomCommand,
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};
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public slots:
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/**
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* Zooms in or out (see ZoomCommandTypes) by the standard zoom factor
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* with the transformation centered in the middle of the widget.
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*/
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void zoom(int zoomCommand);
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signals:
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void scaleFactorChanged(float newScaleFactor);
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void commandChanged(int newCommand);
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void hitChanged(int hit);
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private:
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QHBoxLayout fHorizontalLayout;
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SkRasterWidget fRasterWidget;
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#if SK_SUPPORT_GPU
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SkGLWidget fGLWidget;
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#endif
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SkDebugger* fDebugger;
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SkIPoint fPreviousPoint;
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SkMatrix fUserMatrix;
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void mouseMoveEvent(QMouseEvent* event);
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void mousePressEvent(QMouseEvent* event);
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void mouseDoubleClickEvent(QMouseEvent* event);
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void wheelEvent(QWheelEvent* event);
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void snapWidgetTransform();
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};
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#endif /* SKCANVASWIDGET_H_ */
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