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181
Kha/Backends/WPF/kha/wpf/Painter.hx
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181
Kha/Backends/WPF/kha/wpf/Painter.hx
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package kha.wpf;
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import kha.FontStyle;
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import kha.Image;
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import kha.Kravur;
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import kha.math.FastMatrix3;
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import kha.math.Matrix3;
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import kha.Rotation;
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import system.windows.media.Color;
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import system.windows.media.DrawingContext;
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import system.windows.media.DrawingVisual;
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import system.windows.media.imaging.BitmapSource;
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import system.windows.media.ImageBrush;
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import system.windows.media.MatrixTransform;
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class Painter extends kha.graphics2.Graphics {
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public var context: DrawingContext;
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public var visual: DrawingVisual;
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public var image: BitmapSource;
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var myColor: Color;
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var myKhaColor: kha.Color;
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var myFont: Kravur;
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var tx: Float;
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var ty: Float;
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public var width: Int;
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public var height: Int;
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static var garbageCounter: Int = 0;
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public function new(width: Int, height: Int) {
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super();
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this.width = width;
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this.height = height;
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tx = 0;
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ty = 0;
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// font = new Font("Arial", new FontStyle(false, false, false), 20);
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}
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override public function begin(clear: Bool = true, clearColor: kha.Color = null): Void {
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if (visual != null)
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context = visual.RenderOpen();
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context.PushTransform(new MatrixTransform(transformation._00, transformation._01, transformation._10, transformation._11, transformation._20,
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transformation._21));
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if (clear)
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this.clear(clearColor);
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}
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override public function clear(color: kha.Color = null): Void {
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var prevColor = myKhaColor;
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this.color = color == null ? Color.Black : color;
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fillRect(0, 0, width, height);
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this.color = prevColor;
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}
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@:functionCode('
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if (visual != null) {
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context.Close();
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((global::System.Windows.Media.Imaging.RenderTargetBitmap) image).Render(visual);
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++garbageCounter;
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if (garbageCounter > 30) {
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global::System.GC.Collect(); // Because rendering into an image is a really really bad thing in WPF
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}
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}
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')
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override public function end(): Void {}
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override public function setTransformation(transformation: FastMatrix3): Void {
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context.Pop();
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context.PushTransform(new MatrixTransform(transformation._00, transformation._01, transformation._10, transformation._11, transformation._20,
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transformation._21));
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}
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@:functionCode('
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var img = (Image)image;
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context.DrawImage(img.image, new global::System.Windows.Rect(tx + x, ty + y, img.get_width(), img.get_height()));
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')
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override public function drawImage(image: Image, x: Float, y: Float): Void {}
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@:functionCode('
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var img = (Image)image;
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//var cropped = new System.Windows.Media.Imaging.CroppedBitmap(img.image, new System.Windows.Int32Rect((int)sx, (int)sy, (int)sw, (int)sh));
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//context.DrawImage(cropped, new System.Windows.Rect(tx + dx, ty + dy, dw, dh)); //super slow
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img.brush.Viewbox = new global::System.Windows.Rect(sx / img.get_width(), sy / img.get_height(), sw / img.get_width(), sh / img.get_height());
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context.DrawRectangle(img.brush, null, new global::System.Windows.Rect(tx + dx, ty + dy, dw, dh));
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')
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override public function drawScaledSubImage(image: kha.Image, sx: Float, sy: Float, sw: Float, sh: Float, dx: Float, dy: Float, dw: Float,
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dh: Float): Void {}
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/*@:functionCode('
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if (text != null) {
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text.Replace(\' \', (char)160); // Non-breaking space
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System.Windows.Media.FormattedText fText = new System.Windows.Media.FormattedText(text,
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System.Globalization.CultureInfo.GetCultureInfo("en-us"), System.Windows.FlowDirection.LeftToRight,
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new System.Windows.Media.Typeface(font.get_name()), font.get_size(), new System.Windows.Media.SolidColorBrush(color));
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if (font.get_style().getBold()) fText.SetFontWeight(System.Windows.FontWeights.Bold);
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if (font.get_style().getItalic()) fText.SetFontStyle(System.Windows.FontStyles.Italic);
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if (font.get_style().getUnderlined()) fText.SetTextDecorations(System.Windows.TextDecorations.Underline);
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context.DrawText(fText, new System.Windows.Point(tx + x, ty + y));
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}
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')
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override public function drawString(text : String, x : Float, y : Float) : Void {
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}*/
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@:functionCode('
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var img = (Image)myFont._get(myFontSize, null).getTexture();
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var xpos = tx + x;
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var ypos = ty + y;
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for (int i = 0; i < text.Length; ++i) {
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var q = myFont._get(myFontSize, null).getBakedQuad(text[i] - 32, xpos, ypos);
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if (q != null) {
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var brush = new global::System.Windows.Media.ImageBrush(img.image);
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brush.Viewbox = new global::System.Windows.Rect(q.s0, q.t0, q.s1 - q.s0, q.t1 - q.t0);
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context.PushOpacityMask(brush);
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context.DrawRectangle(new global::System.Windows.Media.SolidColorBrush(myColor), null, new global::System.Windows.Rect(q.x0, q.y0, q.x1 - q.x0, q.y1 - q.y0));
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context.Pop();
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xpos += q.xadvance;
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}
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}
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')
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override public function drawString(text: String, x: Float, y: Float): Void {}
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override function get_color(): kha.Color {
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return myKhaColor;
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}
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override function set_color(color: kha.Color): kha.Color {
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setColorInternal(color.Ab, color.Rb, color.Gb, color.Bb);
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return myKhaColor = color;
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}
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override function get_font(): kha.Font {
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return myFont;
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}
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override function set_font(font: kha.Font): kha.Font {
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return this.myFont = cast(font, Kravur);
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}
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@:functionCode('
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myColor = global::System.Windows.Media.Color.FromArgb((byte)a, (byte)r, (byte)g, (byte)b);
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')
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function setColorInternal(a: Int, r: Int, g: Int, b: Int): Void {}
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@:functionCode('
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if (width < 0.0) {
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x += width;
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width = -width;
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}
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if (height < 0.0) {
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y += height;
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height = -height;
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}
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context.DrawRectangle(null, new global::System.Windows.Media.Pen(new global::System.Windows.Media.SolidColorBrush(myColor), strength.value), new global::System.Windows.Rect(tx + x, ty + y, width, height));
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')
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override public function drawRect(x: Float, y: Float, width: Float, height: Float, strength: Float = 1.0): Void {}
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@:functionCode('
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if (width < 0.0) {
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x += width;
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width = -width;
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}
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if (height < 0.0) {
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y += height;
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height = -height;
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}
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context.DrawRectangle(new global::System.Windows.Media.SolidColorBrush(myColor), new global::System.Windows.Media.Pen(), new global::System.Windows.Rect(tx + x, ty + y, width, height));
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')
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override public function fillRect(x: Float, y: Float, width: Float, height: Float): Void {}
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@:functionCode('
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context.DrawLine(new global::System.Windows.Media.Pen(new global::System.Windows.Media.SolidColorBrush(myColor), 1), new global::System.Windows.Point(tx + x1, ty + y1), new global::System.Windows.Point(tx + x2, ty + y2));
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')
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override function drawLine(x1: Float, y1: Float, x2: Float, y2: Float, strength: Float = 1.0): Void {}
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@:functionCode('
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context.DrawVideo(((Video)video).getPlayer(), new global::System.Windows.Rect(tx + x, ty + y, width, height));
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')
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override function drawVideo(video: kha.Video, x: Float, y: Float, width: Float, height: Float): Void {}
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}
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