fde1e7ccb4
Add radio buttons for setting the GL sample count to 0 ("off"), 4 or
16.
Change the default mode of the GL widget to MSAA4. Previous behavior
corresponded to "off".
BUG=1459
R=robertphillips@google.com
Author: kkinnunen@nvidia.com
Review URL: https://chromiumcodereview.appspot.com/21752002
git-svn-id: http://skia.googlecode.com/svn/trunk@10509 2bbb7eff-a529-9590-31e7-b0007b416f81
145 lines
4.0 KiB
C++
145 lines
4.0 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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#include "SkCanvasWidget.h"
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SkCanvasWidget::SkCanvasWidget(QWidget* parent,
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SkDebugger* debugger) : QWidget(parent)
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, fHorizontalLayout(this)
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, fRasterWidget(debugger)
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#if SK_SUPPORT_GPU
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, fGLWidget(debugger)
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#endif
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{
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fDebugger = debugger;
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fHorizontalLayout.setSpacing(6);
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fHorizontalLayout.setContentsMargins(0,0,0,0);
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fRasterWidget.setSizePolicy(QSizePolicy::Expanding,
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QSizePolicy::Expanding);
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#if SK_SUPPORT_GPU
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fGLWidget.setSizePolicy(QSizePolicy::Expanding,
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QSizePolicy::Expanding);
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#endif
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fHorizontalLayout.addWidget(&fRasterWidget);
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#if SK_SUPPORT_GPU
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fHorizontalLayout.addWidget(&fGLWidget);
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#endif
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fPreviousPoint.set(0,0);
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fUserMatrix.reset();
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#if SK_SUPPORT_GPU
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setWidgetVisibility(kGPU_WidgetType, true);
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#endif
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connect(&fRasterWidget, SIGNAL(drawComplete()),
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this->parentWidget(), SLOT(drawComplete()));
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}
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SkCanvasWidget::~SkCanvasWidget() {}
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void SkCanvasWidget::drawTo(int index) {
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fDebugger->setIndex(index);
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fRasterWidget.draw();
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#if SK_SUPPORT_GPU
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fGLWidget.draw();
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#endif
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emit commandChanged(fDebugger->index());
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}
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void SkCanvasWidget::mouseMoveEvent(QMouseEvent* event) {
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SkIPoint eventPoint = SkIPoint::Make(event->globalX(), event->globalY());
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SkIPoint eventOffset = eventPoint - fPreviousPoint;
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fPreviousPoint = eventPoint;
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fUserMatrix.postTranslate(eventOffset.fX, eventOffset.fY);
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fDebugger->setUserMatrix(fUserMatrix);
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drawTo(fDebugger->index());
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}
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void SkCanvasWidget::mousePressEvent(QMouseEvent* event) {
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fPreviousPoint.set(event->globalX(), event->globalY());
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emit hitChanged(fDebugger->getCommandAtPoint(event->x(), event->y(),
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fDebugger->index()));
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}
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void SkCanvasWidget::mouseDoubleClickEvent(QMouseEvent* event) {
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Qt::KeyboardModifiers modifiers = event->modifiers();
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if (modifiers.testFlag(Qt::ControlModifier)) {
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snapWidgetTransform();
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} else {
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resetWidgetTransform();
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}
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}
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#define ZOOM_FACTOR (1.25f)
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void SkCanvasWidget::wheelEvent(QWheelEvent* event) {
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Qt::KeyboardModifiers modifiers = event->modifiers();
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if (modifiers.testFlag(Qt::ControlModifier)) {
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zoom(event->delta() > 0 ? ZOOM_FACTOR : (1.0f / ZOOM_FACTOR), event->x(), event->y());
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} else {
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if (Qt::Horizontal == event->orientation()) {
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fUserMatrix.postTranslate(event->delta(), 0.0f);
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} else {
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fUserMatrix.postTranslate(0.0f, event->delta());
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}
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fDebugger->setUserMatrix(fUserMatrix);
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drawTo(fDebugger->index());
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}
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}
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void SkCanvasWidget::zoom(int zoomCommand) {
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zoom(kIn_ZoomCommand == zoomCommand ? ZOOM_FACTOR : (1.0f / ZOOM_FACTOR),
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this->size().width() / 2, this->size().height() / 2);
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}
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void SkCanvasWidget::snapWidgetTransform() {
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double x, y;
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modf(fUserMatrix.getTranslateX(), &x);
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modf(fUserMatrix.getTranslateY(), &y);
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fUserMatrix[SkMatrix::kMTransX] = x;
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fUserMatrix[SkMatrix::kMTransY] = y;
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fDebugger->setUserMatrix(fUserMatrix);
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drawTo(fDebugger->index());
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}
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void SkCanvasWidget::resetWidgetTransform() {
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fUserMatrix.reset();
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fDebugger->setUserMatrix(fUserMatrix);
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emit scaleFactorChanged(fUserMatrix.getScaleX());
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drawTo(fDebugger->index());
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}
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void SkCanvasWidget::setWidgetVisibility(WidgetType type, bool isHidden) {
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if (type == kRaster_8888_WidgetType) {
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fRasterWidget.setHidden(isHidden);
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}
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#if SK_SUPPORT_GPU
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else if (type == kGPU_WidgetType) {
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fGLWidget.setHidden(isHidden);
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}
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#endif
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}
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#if SK_SUPPORT_GPU
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void SkCanvasWidget::setGLSampleCount(int sampleCount)
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{
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fGLWidget.setSampleCount(sampleCount);
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}
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#endif
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void SkCanvasWidget::zoom(float scale, int px, int py) {
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fUserMatrix.postScale(scale, scale, px, py);
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emit scaleFactorChanged(fUserMatrix.getScaleX());
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fDebugger->setUserMatrix(fUserMatrix);
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drawTo(fDebugger->index());
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}
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