static void DrawTest()
{
CanvasElement canvas = (CanvasElement)Document.GetElementById("canvas");
CanvasContext2D ctx = (CanvasContext2D)canvas.GetContext(Rendering.Render2D);
ctx.FillStyle = "rgb(80,0,0)";
ctx.FillRect(120, 120, 165, 160);
ctx.FillStyle = "rgba(0, 0, 160, 0.5)";
ctx.FillRect(140, 140, 165, 160);
}
/// <summary>
/// Performs pixel level collision between two masks
/// </summary>
/// <param name="mask1">The mask1.</param>
/// <param name="mask2">The mask2.</param>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <returns></returns>
public static bool Collision(string mask1, string mask2, float x, float y)
{
CanvasElement canvas1 = _masks[mask1];
if (x > canvas1.Width || y > canvas1.Height)
{
return(false);
}
CanvasElement canvas2 = _masks[mask2];
if (canvas2.Width + x < 0 || canvas2.Height + y < 0)
{
return(false);
}
int top = Math.Round(Math.Max(0, y));
int height = Math.Round(Math.Min(canvas1.Height, y + canvas2.Height) - top);
int left = Math.Round(Math.Max(0, x));
int width = Math.Round(Math.Min(canvas1.Width, x + canvas2.Width) - left);
if (width <= 0 || height <= 0)
{
return(false);
}
CanvasElement checkCanvas = (CanvasElement)Document.CreateElement("Canvas");
checkCanvas.Width = width;
checkCanvas.Height = height;
CanvasContext2D context = (CanvasContext2D)checkCanvas.GetContext(Rendering.Render2D);
context.FillStyle = "white";
context.FillRect(0, 0, checkCanvas.Width, checkCanvas.Height);
context.CompositeOperation = CompositeOperation.Xor;
context.DrawImage(canvas1, left, top, width, height, 0, 0, width, height);
context.DrawImage(canvas2, Math.Round(left - x), Math.Round(top - y), width, height, 0, 0, width, height);
PixelArray data = context.GetImageData(0, 0, width, height).Data;
for (int i = 0; i < data.Length; i += 4)
{
if ((int)data[i] > 0)
{
return(true);
}
}
return(false);
}
public void Clear()
{
if (gl != null)
{
gl.viewport(0, 0, (int)Width, (int)Height);
gl.clear(GL.COLOR_BUFFER_BIT | GL.DEPTH_BUFFER_BIT);
//gl.clearColor(1, 0, 0, 1);
}
else
{
Device.Save();
Device.FillStyle = "black";
Device.FillRect(0, 0, Width, Height);
Device.Restore();
}
}
private void MaskedResourceLoaded(ElementEvent e)
{
CanvasElement canvas = (CanvasElement)Document.CreateElement("CANVAS");
ImageElement image = (ImageElement)e.Target;
canvas.Width = image.NaturalWidth;
canvas.Height = image.NaturalHeight;
CanvasContext2D context = (CanvasContext2D)canvas.GetContext(Rendering.Render2D);
context.FillStyle = "black";
context.FillRect(0, 0, image.NaturalWidth, image.NaturalHeight);
context.CompositeOperation = CompositeOperation.Xor;
context.DrawImage(image, 0, 0);
_masks[image.Src] = canvas;
ResourceLoaded(e);
}
private bool DrawTriangle(CanvasContext2D ctx, ImageElement im, double x0, double y0, double x1, double y1, double x2, double y2,
double sx0, double sy0, double sx1, double sy1, double sx2, double sy2)
{
if (!Intersects(0, Width, 0, Height, x0, y0, x1, y1, x2, y2))
{
return(false);
}
//double edgeOffset = isOutlined ? ContractionInPixels : ExpansionInPixels;
//Vector2d expandedS0 = GetMiterPoint(Vector2d.Create(x0, y0), Vector2d.Create(x1, y1), Vector2d.Create(x2, y2), ExpansionInPixels);
//Vector2d expandedS1 = GetMiterPoint(Vector2d.Create(x1, y1), Vector2d.Create(x0, y0), Vector2d.Create(x2, y2), ExpansionInPixels);
//Vector2d expandedS2 = GetMiterPoint(Vector2d.Create(x2, y2), Vector2d.Create(x1, y1), Vector2d.Create(x0, y0), ExpansionInPixels);
//Vector2d expandedS0 = MiterPoint(x0, y0, x1, y1, x2, y2);
//Vector2d expandedS1 = MiterPoint(x1, y1, x0, y0, x2, y2);
//Vector2d expandedS2 = MiterPoint(x2, y2, x1, y1, x0, y0);
MiterPointOut(expandedS0, x0, y0, x1, y1, x2, y2, ExpansionInPixels);
MiterPointOut(expandedS1, x1, y1, x0, y0, x2, y2, ExpansionInPixels);
MiterPointOut(expandedS2, x2, y2, x1, y1, x0, y0, ExpansionInPixels);
x0 = expandedS0.X;
y0 = expandedS0.Y;
x1 = expandedS1.X;
y1 = expandedS1.Y;
x2 = expandedS2.X;
y2 = expandedS2.Y;
ctx.Save();
if (RenderingOn)
{
ctx.BeginPath();
ctx.MoveTo(x0, y0);
ctx.LineTo(x1, y1);
ctx.LineTo(x2, y2);
ctx.ClosePath();
ctx.Clip();
}
double denom = sx0 * (sy2 - sy1) - sx1 * sy2 + sx2 * sy1 + (sx1 - sx2) * sy0;
//if (denom == 0)
//{
// ctx.Restore();
// return false;
//}
double m11 = -(sy0 * (x2 - x1) - sy1 * x2 + sy2 * x1 + (sy1 - sy2) * x0) / denom;
double m12 = (sy1 * y2 + sy0 * (y1 - y2) - sy2 * y1 + (sy2 - sy1) * y0) / denom;
double m21 = (sx0 * (x2 - x1) - sx1 * x2 + sx2 * x1 + (sx1 - sx2) * x0) / denom;
double m22 = -(sx1 * y2 + sx0 * (y1 - y2) - sx2 * y1 + (sx2 - sx1) * y0) / denom;
double dx = (sx0 * (sy2 * x1 - sy1 * x2) + sy0 * (sx1 * x2 - sx2 * x1) + (sx2 * sy1 - sx1 * sy2) * x0) / denom;
double dy = (sx0 * (sy2 * y1 - sy1 * y2) + sy0 * (sx1 * y2 - sx2 * y1) + (sx2 * sy1 - sx1 * sy2) * y0) / denom;
ctx.Transform(m11, m12, m21, m22, dx, dy);
if (RenderingOn)
{
ctx.Alpha = Opacity;
if (lighting < 1.0)
{
ctx.Alpha = 1;
ctx.FillStyle = "Black";
ctx.FillRect(0, 0, Width, Height);
ctx.Alpha = lighting * Opacity;
}
ctx.DrawImage(im, 0, 0);
}
ctx.Restore();
return(true);
}
public void Paint()
{
CanvasContext2D g = (CanvasContext2D)Canvas.GetContext(Rendering.Render2D);
g.FillStyle = "rgb(20, 22, 31)";
g.FillRect(0, 0, Width, Height);
if (!ImagesLoaded)
{
return;
}
int netHeight = (Height - buffer * 2);
int netWidth = (Width - buffer * 2);
RowCount = Math.Round(Math.Max(netHeight / ThumbHeight, 1));
ColCount = Math.Round(Math.Max(netWidth / HorzSpacing, 1));
horzMultiple = ((float)netWidth + 13) / (float)ColCount;
startIndex = Math.Round((startIndex / ItemsPerPage) * ItemsPerPage);
Rectangle rectf;
int index = startIndex;
for (int y = 0; y < rowCount; y++)
{
for (int x = 0; x < colCount; x++)
{
if (index >= items.Count)
{
if (items.Count == 0 || showAddButton)
{
rectf = Rectangle.Create(Left + x * horzMultiple + 3f + startOffset, Top + y * VertSpacing, ThumbWidth - 10, 60);
g.DrawImage(thumbnailSize == ThumbnailSize.Big ? bmpBackgroundWide : bmpBackground, (int)((float)x * horzMultiple) + startOffset, y * VertSpacing);
//g.FillText(emptyText, rectf.X,rectf,Y, rectf.Width);
//g.DrawString(showAddButton ? addText : emptyText, UiTools.StandardRegular, (addButtonHover && showAddButton) ? UiTools.YellowTextBrush : UiTools.StadardTextBrush, rectf, UiTools.StringFormatCenterCenter);
}
break;
}
rectf = Rectangle.Create(Left + x * horzMultiple + 3 + startOffset, Top + y * VertSpacing, ThumbWidth - 14, 60);
//Brush textBrush = UiTools.StadardTextBrush;
string textBrush = "white";
if (index == hoverItem || (index == selectedItem && hoverItem == -1))
{
g.DrawImage(thumbnailSize == ThumbnailSize.Big ? bmpBackgroundWideHover : bmpBackgroundHover, Left + (int)((float)x * horzMultiple) + startOffset, Top + y * VertSpacing);
textBrush = "yellow";
}
else
{
g.DrawImage(thumbnailSize == ThumbnailSize.Big ? bmpBackgroundWide : bmpBackground, Left + (int)((float)x * horzMultiple) + startOffset, Top + y * VertSpacing);
}
(items[index]).Bounds = Rectangle.Create((int)(Left + x * horzMultiple) + startOffset, Top + (int)(y * VertSpacing), (int)horzMultiple, (int)VertSpacing);
try
{
ImageElement bmpThumb = items[index].Thumbnail;
if (bmpThumb != null)
{
g.DrawImage(bmpThumb, Left + (int)(x * horzMultiple) + 2 + startOffset, Top + y * VertSpacing + 3);
g.StrokeStyle = "rgb(0,0,0)";
g.Rect(Left + (int)((float)x * horzMultiple) + 2 + startOffset, Top + y * VertSpacing + 3, items[index].Thumbnail.Width, items[index].Thumbnail.Height);
}
else
{
items[index].Thumbnail = (ImageElement)Document.CreateElement("img");
items[index].Thumbnail.Src = items[index].ThumbnailUrl;
items[index].Thumbnail.AddEventListener("load", delegate(ElementEvent e) { Refresh(); }, false);
}
}
// TODO FIX this!
catch
{
}
//if (((IThumbnail)items[index]).IsImage)
//{
// g.DrawImage(Properties.Resources.InsertPictureHS, (int)((float)x * horzMultiple) + 79, y * VertSpacing + 1);
//}
//if (((IThumbnail)items[index]).IsTour)
//{
// g.DrawImage(Properties.Resources.TourIcon, (int)((float)x * horzMultiple) + 79, y * VertSpacing + 1);
//}
//g.DrawString(((IThumbnail), UiTools.StandardRegular, textBrush, rectf, UiTools.StringFormatThumbnails);
g.FillStyle = textBrush;
g.StrokeStyle = textBrush;
g.LineWidth = 1;
g.Font = "normal 8pt Arial";
g.FillText(items[index].Name, rectf.X, rectf.Y + rectf.Height, rectf.Width);
//g.FillText(items[index].Name, 10, 10);
index++;
}
if (index >= items.Count)
{
break;
}
}
}