clt debugger
Review URL: https://codereview.appspot.com/6267043

git-svn-id: http://skia.googlecode.com/svn/trunk@4404 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/debugger/QT/SkCanvasWidget.cpp b/debugger/QT/SkCanvasWidget.cpp
new file mode 100644
index 0000000..6e82656
--- /dev/null
+++ b/debugger/QT/SkCanvasWidget.cpp
@@ -0,0 +1,73 @@
+
+/*
+ * 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();
+}