private void LivePreview_RenderUpdated(object o, LivePreviewRenderUpdatedEventArgs args)
{
double scale = PintaCore.Workspace.Scale;
var offset = PintaCore.Workspace.Offset;
var bounds = args.Bounds;
// Transform bounds (Image -> Canvas -> Window)
// Calculate canvas bounds.
double x1 = bounds.Left * scale;
double y1 = bounds.Top * scale;
double x2 = (bounds.GetRight() + 1) * scale;
double y2 = (bounds.GetBottom() + 1) * scale;
// TODO Figure out why when scale > 1 that I need add on an
// extra pixel of padding.
// I must being doing something wrong here.
if (scale > 1.0)
{
//x1 = (bounds.Left-1) * scale;
y1 = (bounds.Top - 1) * scale;
//x2 = (bounds.Right+1) * scale;
//y2 = (bounds.Bottom+1) * scale;
}
// Calculate window bounds.
x1 += offset.X;
y1 += offset.Y;
x2 += offset.X;
y2 += offset.Y;
// Convert to integer, carefull not to miss paritally covered
// pixels by rounding incorrectly.
int x = (int)Math.Floor(x1);
int y = (int)Math.Floor(y1);
int width = (int)Math.Ceiling(x2) - x;
int height = (int)Math.Ceiling(y2) - y;
// Tell GTK to expose the drawing area.
PintaCore.Chrome.Canvas.QueueDrawArea(x, y, width, height);
}
private void LivePreview_RenderUpdated (object o, LivePreviewRenderUpdatedEventArgs args)
{
double scale = PintaCore.Workspace.Scale;
var offset = PintaCore.Workspace.Offset;
var bounds = args.Bounds;
// Transform bounds (Image -> Canvas -> Window)
// Calculate canvas bounds.
double x1 = bounds.Left * scale;
double y1 = bounds.Top * scale;
double x2 = (bounds.GetRight () + 1) * scale;
double y2 = (bounds.GetBottom () + 1) * scale;
// TODO Figure out why when scale > 1 that I need add on an
// extra pixel of padding.
// I must being doing something wrong here.
if (scale > 1.0) {
//x1 = (bounds.Left-1) * scale;
y1 = (bounds.Top - 1) * scale;
//x2 = (bounds.Right+1) * scale;
//y2 = (bounds.Bottom+1) * scale;
}
// Calculate window bounds.
x1 += offset.X;
y1 += offset.Y;
x2 += offset.X;
y2 += offset.Y;
// Convert to integer, carefull not to miss paritally covered
// pixels by rounding incorrectly.
int x = (int)Math.Floor (x1);
int y = (int)Math.Floor (y1);
int width = (int)Math.Ceiling (x2) - x;
int height = (int)Math.Ceiling (y2) - y;
// Tell GTK to expose the drawing area.
PintaCore.Chrome.Canvas.QueueDrawArea (x, y, width, height);
}
