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qhtml5canvas.cpp
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#include <QFile>
#include "qhtml5canvas.h"
#include "qpaintengine_html5_p.h"
#include <QPalette>
QHtml5Canvas::QHtml5Canvas(QRect geometry)
:QPicture()
{
m_pEngine = new QHtml5PaintEngine(&m_buffer);
m_buffer.open((QIODevice::WriteOnly));
m_buffer.write("<!DOCTYPE html>\r\n<HTML><BODY onLoad=\"draw()\"><CANVAS id=\"qt\" width=\"1024\" height=\"768\"></BODY></HTML>\r\n<SCRIPT LANGUAGE=\"JavaScript\">\r\n");
m_buffer.write("function draw()\r\n{\r\n\tvar canvas = document.getElementById(\"qt\");\r\n\tvar context = canvas.getContext('2d');");
//m_buffer.write("\r\n\tcontext.translate(0.5, 0);");
m_buffer.write("\r\n\tcontext.shadowBlur=0;\r\n");
QPalette p;
m_pEngine->updateBackground(Qt::OpaqueMode, QBrush(QColor(p.color(QPalette::Background))));
m_buffer.write(QString("\tcontext.fillStyle = \"%1\";\r\n").arg(p.color(QPalette::Background).name()).toUtf8());
m_buffer.write(QString("\tcontext.fillRect(%2, %3, %4, %5);\r\n")
.arg(0).arg(0)
.arg(geometry.width()).arg(geometry.height())
.toUtf8());
m_buffer.write("\r\n");
}
QHtml5PaintEngine *QHtml5Canvas::paintEngine() const
{
return m_pEngine;
}
bool QHtml5Canvas::save ( const QString & fileName, const char * format)
{
QFile f(fileName);
f.open(QIODevice::WriteOnly);
f.write(m_buffer.data());
f.write("}</SCRIPT>\r\n");
f.close();
Q_UNUSED(format);
return true;}