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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 "SkPicture.h"
#include "SkStream.h"
#include "SkCanvasWidget.h"
#include <iostream>
SkCanvasWidget::SkCanvasWidget(QWidget *parent) :
QWidget(parent) {
fBitmap = new SkBitmap();
fBitmap->setConfig(SkBitmap::kARGB_8888_Config, 800, 800);
fBitmap->allocPixels();
fBitmap->eraseColor(0);
fDevice = new SkDevice(*fBitmap);
fCanvas = new SkCanvas(fDevice);
fDebugCanvas = new SkDebugCanvas();
this->setStyleSheet("QWidget {background-color: white; border: 1px solid #cccccc;}");
}
SkCanvasWidget::~SkCanvasWidget() {}
void SkCanvasWidget::drawTo(int index) {
delete fCanvas;
fCanvas = new SkCanvas(fDevice);
fDebugCanvas->drawTo(fCanvas, index+1);
this->update();
}
void SkCanvasWidget::loadPicture(QString filename) {
SkStream *stream = new SkFILEStream(filename.toAscii());
SkPicture *picture = new SkPicture(stream);
delete fDebugCanvas;
fDebugCanvas = new SkDebugCanvas();
picture->draw(fDebugCanvas);
fDebugCanvas->draw(fCanvas);
/* NOTE(chudy): This was a test to determine if the canvas size is accurately
* saved in the bounds of the recorded picture. It is not. Everyone of the
* sample GM images is 1000x1000. Even the one that claims it is
* 2048x2048.
std::cout << "Width: " << picture->width();
std::cout << " Height: " << picture->height() << std::endl; */
/* NOTE(chudy): Updated style sheet without a background specified to
* draw over our SkCanvas. */
this->setStyleSheet("QWidget {border: 1px solid #cccccc;}");
this->update();
}
void SkCanvasWidget::paintEvent(QPaintEvent *event) {
QPainter painter(this);
QStyleOption opt;
opt.init(this);
if (fBitmap) {
const QPoint origin(0,0);
QImage image((uchar *)fBitmap->getPixels(), fBitmap->width(), fBitmap->height(), QImage::Format_ARGB32_Premultiplied);
painter.drawImage(origin,image);
}
style()->drawPrimitive(QStyle::PE_Widget, &opt, &painter, this);
painter.end();
}
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