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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkRasterWidget.h"
SkRasterWidget::SkRasterWidget() : QWidget() {
fBitmap.setConfig(SkBitmap::kARGB_8888_Config, 800, 800);
fBitmap.allocPixels();
fBitmap.eraseColor(0);
fTransform.set(0,0);
fScaleFactor = 1.0;
fIndex = 0;
fDevice = new SkDevice(fBitmap);
fDebugCanvas = NULL;
fCanvas = new SkCanvas(fDevice);
this->setStyleSheet("QWidget {background-color: white; border: 1px solid #cccccc;}");
}
SkRasterWidget::~SkRasterWidget() {
SkSafeUnref(fCanvas);
SkSafeUnref(fDevice);
}
void SkRasterWidget::resizeEvent(QResizeEvent* event) {
fBitmap.setConfig(SkBitmap::kARGB_8888_Config, event->size().width(), event->size().height());
fBitmap.allocPixels();
SkSafeUnref(fCanvas);
SkSafeUnref(fDevice);
fDevice = new SkDevice(fBitmap);
fCanvas = new SkCanvas(fDevice);
this->update();
}
void SkRasterWidget::paintEvent(QPaintEvent* event) {
if (fDebugCanvas) {
fDebugCanvas->drawTo(fCanvas, fIndex);
// TODO(chudy): Refactor into SkDebugCanvas.
fMatrix = fCanvas->getTotalMatrix();
fClip = fCanvas->getTotalClip().getBounds();
QPainter painter(this);
QStyleOption opt;
opt.init(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &painter, this);
QPoint origin(0,0);
QImage image((uchar *)fBitmap.getPixels(), fBitmap.width(),
fBitmap.height(), QImage::Format_ARGB32_Premultiplied);
painter.drawImage(origin, image);
painter.end();
}
}
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