void Adafruit_SSD1306::drawBitmap(int x, int y, const unsigned char *bitmap, int w, int h, QColor color){
//check if size is valid
if(w%8 != 0 || h%8 != 0){
qWarning() << "Width and Height of bitmap shold be multiply of 8 (widht % 8 = 0)";
return;
}
//GENERATE PIXMAP FROM BITMAP
QPixmap temp(w,h);
temp.fill(Qt::transparent);
QPainter tempPaint(&temp);
tempPaint.setPen(color);
for(int i = 0; i < w*h; i++){
bool value = (bitmap[i/8] >> (7-(i%8))) & 0x01 == 0x01 ? true : false;
if(value){
tempPaint.drawPoint(i%w,i/w);
}
}
QPainter p(writeBuffer);
p.drawPixmap(x,y,w,h,temp);
}
void CropAction::perform(ImageArea *area, bool prev)
{
area->applySelection();
if (prev)
{
QPainter paint(area->preview);
paint.setBrush(QBrush(QColor(0, 0, 0, 128)));
paint.setPen(Qt::NoPen);
paint.drawRect(QRect(0, 0, rect->x(), area->image->height()));
paint.drawRect(QRect(rect->x() + rect->width(), 0, area->image->width() - rect->x() - rect->width(), area->image->height()));
paint.drawRect(QRect(rect->x(), 0, rect->width(), rect->y()));
paint.drawRect(QRect(rect->x(), rect->y() + rect->height(), rect->width(), area->image->height() - rect->y() - rect->height()));
}
else
{
QImage *newImage = new QImage(rect->width(), rect->height(), QImage::Format_ARGB32);
newImage->fill(0);
QPainter tempPaint(newImage);
tempPaint.drawImage(-rect->x(), -rect->y(), *area->image);
tempPaint.end();
//Swap the two images
area->painter->end();
area->image->swap(*newImage);
area->painter->begin(area->image);
delete newImage;
if (area->selection != 0)
{
area->selection->translate(-rect->x(), -rect->y());
}
}
}
void CanvasSizeAction::perform(ImageArea *area, bool prev)
{
area->applySelection();
QImage *img;
QPainter *paint;
if (prev)
{
img = area->preview;
paint = new QPainter(img);
}
else
{
img = area->image;
paint = area->painter;
}
QImage *newImg = new QImage(width, height, QImage::Format_ARGB32);
newImg->fill(0);
QPainter tempPaint(newImg);
//Calculate the position to draw the image.
int x, y;
switch (horAnchor)
{
case anchorLeft: x = 0;
break;
case anchorMiddle: x = (width - img->width()) / 2;
break;
case anchorRight: x = width - img->width();
}
switch (verAnchor)
{
case anchorTop: y = 0;
break;
case anchorMiddle: y = (height - img->height()) / 2;
break;
case anchorBottom: y = height - img->height();
}
tempPaint.drawImage(x, y, *img);
tempPaint.end();
//Swap the two images
paint->end();
img->swap(*newImg);
paint->begin(img);
delete newImg;
if (prev)
{
delete paint;
}
}
