1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* 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(SkDebugger *debugger) : QWidget() {
fBitmap.setConfig(SkBitmap::kARGB_8888_Config, 800, 800);
fBitmap.allocPixels();
fBitmap.eraseColor(SK_ColorTRANSPARENT);
fDevice = new SkBitmapDevice(fBitmap);
fDebugger = debugger;
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();
fBitmap.eraseColor(SK_ColorTRANSPARENT);
SkSafeUnref(fCanvas);
SkSafeUnref(fDevice);
fDevice = new SkBitmapDevice(fBitmap);
fCanvas = new SkCanvas(fDevice);
fDebugger->resize(event->size().width(), event->size().height());
this->update();
}
void SkRasterWidget::paintEvent(QPaintEvent* event) {
if (!this->isHidden()) {
fDebugger->draw(fCanvas);
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);
#if SK_R32_SHIFT == 0
painter.drawImage(origin, image.rgbSwapped());
#else
painter.drawImage(origin, image);
#endif
painter.end();
emit drawComplete();
}
}
|
