public void Render(DrawingArea area, SettingsModel settings)
{
var width = area.Allocation.Width;
var height = area.Allocation.Height;
var kaleidoscope = _factory.Get (settings.Type);
var rootNode = kaleidoscope.Generate (
settings.GeometyWidth,
settings.ImageUri,
width, height);
ImageSurface surface = new ImageSurface(Format.Argb32, width, height);
using (var context = new Context (surface)) {
context.Translate(width / 2, height / 2);
rootNode.Render (context);
}
rootNode.Geometry.Dispose ();
using (Context context = Gdk.CairoHelper.Create (area.GdkWindow)) {
context.Rectangle(0, 0, width, height);
context.SetSource(surface);
context.Fill();
context.GetTarget ().Dispose ();
}
surface.Dispose ();
}
protected void OnBtnConvertClicked(object sender, EventArgs e)
{
var pdfRectangles = new Dictionary<string, Dictionary<int, List<Tuple<Exameer.Rectangle, string>>> > ();
// Merge rectangles
foreach (PdfNode pdf in StorePDF) {
foreach (var png in pdf.Images) {
foreach (var rectangle in png.Rectangles) {
if (pdfRectangles.ContainsKey (pdf.Name)) {
if (pdfRectangles [pdf.Name].ContainsKey (rectangle.ID)) {
pdfRectangles [pdf.Name] [rectangle.ID].Add (new Tuple<Exameer.Rectangle, string> (rectangle, png.FileName));
} else {
pdfRectangles [pdf.Name].Add (rectangle.ID,
new List<Tuple<Exameer.Rectangle, string>> () {
new Tuple<Exameer.Rectangle, string>(rectangle, png.FileName)
}
);
}
} else {
pdfRectangles.Add (pdf.Name,
new Dictionary<int, List<Tuple<Exameer.Rectangle, string>>> () {{
rectangle.ID, new List<Tuple<Exameer.Rectangle, string>>() {
new Tuple<Exameer.Rectangle, string>(rectangle, png.FileName)
}}}
);
}
}
}
}
int problemNbr = 0;
foreach (var pdf in pdfRectangles) {
var createdDestinationDir = Directory.CreateDirectory ("./" + pdf.Key.Replace (".pdf", "") + "/");
foreach (var pngrects in pdf.Value) {
var surfaces = new List<Tuple<ImageSurface, Exameer.Rectangle>> ();
foreach (var rectangle in pngrects.Value) {
surfaces.Add (new Tuple<ImageSurface, Exameer.Rectangle> (new ImageSurface (rectangle.Item2), rectangle.Item1));
}
var png = new ImageSurface (pngrects.Value [0].Item2);
var rectsMaxWidth = pngrects.Value.Max (x => x.Item1.Width);
var rectsMaxHeight = pngrects.Value.Select (x => x.Item1.Height).Sum ();
var newRectWidth = (int)((rectsMaxWidth / (float)pngrects.Value [0].Item1.Parent.Width) * png.Width);
var newRectHeight = (int)((rectsMaxHeight / (float)pngrects.Value [0].Item1.Parent.Height) * png.Height); //pngrects.Value.Aggregate(0, (sum, next) => sum + next.Item1.Height);
ImageSurface newImg = new ImageSurface (Format.Argb32, newRectWidth, newRectHeight);
Context cr = new Context (newImg);
//cr.SetSourceRGBA (1, 1, 1, 1);
//cr.Paint ();
// Assume they are sorted by their appearance in PNGs.
int lastY = 0;
foreach (var surface in surfaces) {
var dstx = 0;
var dsty = lastY;
var r = surface.Item2;
var srcx = (int)((r.x1 / (float)r.Parent.Width) * png.Width);
var srcy = ((int)((r.y1 / (float)r.Parent.Height) * png.Height));
var w = (int)((r.Width / (float)r.Parent.Width) * png.Width);
var h = (int)((r.Height / (float)r.Parent.Height) * png.Height);
cr.SetSourceSurface (surface.Item1, dstx - srcx, dsty - srcy);
cr.Rectangle (dstx, dsty, w, h);
cr.Fill ();
//lastY = (int)((r.Height / (float)r.Parent.Height) * png.Height);
lastY = dsty + h;
}
newImg.Flush ();
newImg.WriteToPng ("./" + pdf.Key.Replace (".pdf", "") + "/" +
(problemNbr++) + ".png");
newImg.Dispose ();
//newImg.Dispose ();
//surfaces.ForEach (x => x.Item1.Destroy ());
surfaces.ForEach (x => x.Item1.Dispose ());
png.Dispose ();
//png.Destroy ();
}
problemNbr = 0;
}
}
ImageInfo CreateBlur(ImageInfo source)
{
double scale = Math.Max (256 / (double)source.Bounds.Width,
256 / (double)source.Bounds.Height);
var small = new Gdk.Rectangle (0, 0,
(int)Math.Ceiling (source.Bounds.Width * scale),
(int)Math.Ceiling (source.Bounds.Height * scale));
var image = new ImageSurface (Format.Argb32,
small.Width,
small.Height);
var ctx = new Context (image);
ctx.Matrix = source.Fit (small);
ctx.Operator = Operator.Source;
Pattern p = new SurfacePattern (source.Surface);
ctx.SetSource (p);
ctx.Paint ();
p.Dispose ();
ctx.Dispose ();
ImageInfo overlay = null;
using (var normal = image.ToPixbuf ())
{
using (var pixbufBlur = PixbufUtils.Blur (normal, 3, null))
{
overlay = new ImageInfo (pixbufBlur);
}
}
image.Dispose ();
return overlay;
}
private void imageToolStripMenuItem_Click(object sender, EventArgs e)
{
lastSelected = "image";
OnPaintAction = cr =>
{
int w, h;
ImageSurface image;
image = new ImageSurface(romedalenPngData);
w = image.Width;
h = image.Height;
cr.Translate(128.0, 128.0);
cr.Rotate(45 * Math.PI / 180);
cr.Scale(256.0 / w, 256.0 / h);
cr.Translate(-0.5 * w, -0.5 * h);
cr.SetSource(image, 0, 0);
cr.Paint();
image.Dispose();
};
Invalidate();
}
private void imagepatternToolStripMenuItem_Click(object sender, EventArgs e)
{
lastSelected = "imagepattern";
OnPaintAction = cr =>
{
int w, h;
ImageSurface image;
Pattern pattern;
Matrix matrix = new Matrix();
image = new ImageSurface(romedalenPngData);
w = image.Width;
h = image.Height;
pattern = new SurfacePattern(image);
pattern.Extend = Extend.Repeat;
cr.Translate(128.0, 128.0);
cr.Rotate(Math.PI / 4);
cr.Scale(1 / Math.Sqrt(2), 1 / Math.Sqrt(2));
cr.Translate(-128.0, -128.0);
matrix.InitScale(w/256.0*5.0, h/256.0*5.0);
pattern.Matrix = matrix;
cr.SetSource(pattern);
cr.Rectangle(0, 0, 256.0, 256.0);
cr.Fill();
pattern.Dispose();
image.Dispose();
};
Invalidate();
}
private void clipImageToolStripMenuItem_Click(object sender, EventArgs e)
{
lastSelected = "clipImage";
OnPaintAction = cr =>
{
int w, h;
ImageSurface image;
cr.Arc(128.0, 128.0, 76.8, 0, 2 * Math.PI);
cr.Clip();
cr.NewPath(); /* path not consumed by clip()*/
image = new ImageSurface(romedalenPngData);
w = image.Width;
h = image.Height;
cr.Scale(256.0 / w, 256.0 / h);
cr.SetSource(image, 0, 0);
cr.Paint();
image.Dispose();
};
Invalidate();
}
private Pattern RenderBar (int w, int h)
{
ImageSurface s = new ImageSurface (Format.Argb32, w, h);
Context cr = new Context (s);
RenderBar (cr, w, h, h / 2);
// TODO Implement the new ctor - see http://bugzilla.gnome.org/show_bug.cgi?id=561394
#pragma warning disable 0618
Pattern pattern = new Pattern (s);
#pragma warning restore 0618
s.Dispose ();
((IDisposable)cr).Dispose ();
return pattern;
}
