зеркало из https://github.com/mozilla/moz-skia.git
73 строки
1.4 KiB
C++
73 строки
1.4 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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kGPU_WidgetType = 1 << 1,
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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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void zoom(float zoomIncrement);
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void resetWidgetTransform();
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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 slots:
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void keyZoom(int zoomIncrement) {
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zoom(zoomIncrement);
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}
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private:
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QHBoxLayout fHorizontalLayout;
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SkRasterWidget fRasterWidget;
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SkGLWidget fGLWidget;
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SkDebugger* fDebugger;
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SkIPoint fPreviousPoint;
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SkIPoint fUserOffset;
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float fUserScaleFactor;
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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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zoom(event->delta()/120);
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}
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};
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#endif /* SKCANVASWIDGET_H_ */
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