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basics of layer structure

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This commit is contained in:
Jonas Mucke
2019-12-04 18:58:33 +01:00
parent 69c2750358
commit 6a52fbbb35
36 changed files with 4958 additions and 21 deletions
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56
IntelliPhoto/Painting/Layer/PaintingArea.cpp
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@@ -15,7 +15,10 @@ PaintingArea::PaintingArea(int maxWidth, int maxHeight, QWidget *parent)
//tetsing
this->addLayer(200,200,0,0);
this->addLayer(200,200,201,201);
layerStructure[0].image->floodFill(QColor(255,0,0,255));
this->addLayer(200,200,150,150);
layerStructure[1].image->floodFill(QColor(0,255,0,255));
layerStructure[1].alpha=100;
}
@@ -51,6 +54,7 @@ void PaintingArea::addLayer(int width, int height, int widthOffset, int heightOf
}
newLayer.alpha = 255;
this->layerStructure.push_back(newLayer);
}
void PaintingArea::deleteLayer(int index){
@@ -89,22 +93,16 @@ bool PaintingArea::openImage(const QString &fileName)
// Save the current image
bool PaintingArea::saveImage(const QString &fileName, const char *fileFormat)
{
if(this->activeLayer==-1){
if(layerStructure.size()==0){
return false;
}
// Created to hold the image
this->assembleLayers();
for(size_t i=0; i<layerStructure.size(); i++){
LayerObject layer;
QImage cpy = layer.image->getDisplayable(layer.alpha);
//TODO draw cpy to CANVAS
if (Canvas->save(fileName, fileFormat)) {
return true;
} else {
return false;
}
//if (Canvas.save(fileName, fileFormat)) {
// return true;
//} else {
// return false;
//}
}
// Used to change the pen color
@@ -196,14 +194,11 @@ void PaintingArea::mouseReleaseEvent(QMouseEvent *event)
// update themselves
void PaintingArea::paintEvent(QPaintEvent *event)
{
if(this->activeLayer==-1){
return;
}
LayerObject active = layerStructure[activeLayer];
this->assembleLayers();
QPainter painter(this);
QRect dirtyRec = event->rect();
painter.drawImage(dirtyRec, active.image->getDisplayable(dirtyRec.size(), active.alpha), dirtyRec);
painter.drawImage(dirtyRec, *Canvas, dirtyRec);
update();
}
@@ -239,3 +234,28 @@ void PaintingArea::resizeImage(QImage *image_res, const QSize &newSize){
image_res->scaled(newSize,Qt::IgnoreAspectRatio);
}
void PaintingArea::assembleLayers(){
Canvas->fill(Qt::GlobalColor::black);
for(size_t i=0; i<layerStructure.size(); i++){
LayerObject layer = layerStructure[i];
QImage cpy = layer.image->getDisplayable(layer.alpha);
QColor clr_0;
QColor clr_1;
for(int y=0; y<layer.height; y++){
for(int x=0; x<layer.width; x++){
clr_0=Canvas->pixelColor(layer.widthOffset+x, layer.heightOffset+y);
clr_1=cpy.pixelColor(x,y);
float t = (float)clr_1.alpha()/255.f;
int r =(float)clr_1.red()*(t)+(float)clr_0.red()*(1.-t);
int g =(float)clr_1.green()*(t)+(float)clr_0.green()*(1.-t);
int b =(float)clr_1.blue()*(t)+(float)clr_0.blue()*(1.-t);
clr_0.setRed(r);
clr_0.setGreen(g);
clr_0.setBlue(b);
Canvas->setPixelColor(layer.widthOffset+x, layer.heightOffset+y, clr_0);
}
}
}
}