78 lines
2 KiB
C++
78 lines
2 KiB
C++
#include "fgqcanvasimage.h"
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#include <QPainter>
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#include <QDebug>
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#include "fgcanvaspaintcontext.h"
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#include "localprop.h"
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#include "fgqcanvasimageloader.h"
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FGQCanvasImage::FGQCanvasImage(FGCanvasGroup* pr, LocalProp* prop) :
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FGCanvasElement(pr, prop)
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{
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}
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void FGQCanvasImage::doPaint(FGCanvasPaintContext *context) const
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{
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if (_imageDirty) {
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rebuildImage();
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_imageDirty = false;
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}
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context->painter()->drawPixmap(0, 0, _image);
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}
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bool FGQCanvasImage::onChildAdded(LocalProp *prop)
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{
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if (FGCanvasElement::onChildAdded(prop)) {
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return true;
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}
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const QByteArray nm = prop->name();
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if ((nm == "source") || (nm == "src") || (nm == "size") || (nm == "file")) {
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connect(prop, &LocalProp::valueChanged, this, &FGQCanvasImage::markImageDirty);
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return true;
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}
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qDebug() << "image saw child:" << prop->name();
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return false;
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}
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void FGQCanvasImage::markImageDirty()
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{
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_imageDirty = true;
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}
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void FGQCanvasImage::rebuildImage() const
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{
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QByteArray file = _propertyRoot->value("file", QByteArray()).toByteArray();
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if (!file.isEmpty()) {
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_image = FGQCanvasImageLoader::instance()->getImage(file);
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if (_image.isNull()) {
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// get notified when the image loads
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FGQCanvasImageLoader::instance()->connectToImageLoaded(file,
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const_cast<FGQCanvasImage*>(this),
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SLOT(markImageDirty()));
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} else {
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qDebug() << "have image" << _image.size();
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}
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} else {
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qDebug() << "source" << _propertyRoot->value("source", QString());
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qDebug() << "src" << _propertyRoot->value("src", QString());
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}
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_destSize = QSizeF(_propertyRoot->value("size[0]", 0.0).toFloat(),
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_propertyRoot->value("size[1]", 0.0).toFloat());
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qDebug() << "dest-size" << _destSize;
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_imageDirty = false;
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}
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void FGQCanvasImage::markStyleDirty()
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{
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}
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