public override void InitializeResources(IUGContext context)
{
_linear = new UGLinearGradientBrush(
context,
new Vector2(0F, 0F),
new Vector2(1F, 1F),
new[] {
new UGGradientStop(UGColor.FromHSL(0F / 3F, 1F, .5F), .25F),
new UGGradientStop(UGColor.FromHSL(2F / 3F, 1F, .5F), .75F),
},
UGEdgeBehavior.Clamp);
_radial = new UGRadialGradientBrush(
context,
new Vector2(.2F, .2F),
.75F,
new[] {
new UGGradientStop(UGColor.FromHSL(0F / 3F, 1F, .5F), 0F),
new UGGradientStop(UGColor.FromHSL(.5F / 3F, 1F, .5F), .25F),
new UGGradientStop(UGColor.FromHSL(1F / 3F, 1F, .5F), .5F),
new UGGradientStop(UGColor.FromHSL(1.5F / 3F, 1F, .5F), .75F),
new UGGradientStop(UGColor.FromHSL(2F / 3F, 1F, .5F), 1F),
},
UGEdgeBehavior.Wrap);
}
public void OnDraw(IUGContext context)
{
context.ClearColor(white);
var pos = new Vector2();
var size = new UGSize(context.CanvasSize.Width / xStep, context.CanvasSize.Height / yStep);
for (var h = 0; h < xStep; ++h)
{
pos.Y = 0F;
for (var l = 0; l < yStep; ++l)
{
var color = UGColor.FromHSL((float)h / xStep, 1F, (float)l / yStep);
context.FillRectangle(pos, size, color);
pos.Y += size.Height;
}
pos.X += size.Width;
}
}
public void OnDraw(IUGContext context)
{
context.ClearColor(WHITE);
var translate = new Vector2();
var center = new Vector2() { X = context.CanvasSize.Width / SPLIT_X / 2F, Y = context.CanvasSize.Height / SPLIT_Y / 2F };
var size = new UGSize(context.CanvasSize.Width / SPLIT_X, context.CanvasSize.Height / SPLIT_Y);
for (var y = 0; y < SPLIT_Y; ++y, translate.Y += size.Height)
{
translate.X = 0F;
for (var x = 0; x < SPLIT_X; ++x, translate.X += size.Width)
{
var d = SPLIT_Y * y + x;
var color = UGColor.FromHSL((float)d / SPLIT_LENGTH, 1F, .5F);
color.A = 128;
using (context.CreateLayer())
{
context.Translate(translate);
using (context.CreateLayer())
{
switch (d)
{
case 1:
context.ScaleX(.5F);
break;
case 2:
context.ScaleY(.5F);
break;
case 3:
context.Scale(.25F, .5F);
break;
case 4:
context.Rotate(25F);
break;
case 5:
context.Rotate(45F);
break;
case 6:
context.SkewX(20F);
break;
case 7:
context.SkewY(40F);
break;
case 8:
context.Skew(5F, 10F);
break;
case 9:
context.TranslateX(10F);
break;
case 10:
context.TranslateY(10F);
break;
case 11:
context.Translate(5F, 10F);
break;
case 12:
context.Rotate(20F, center);
break;
case 13:
context.SkewX(20F, center);
break;
case 14:
context.Scale(.25F, .5F, center);
break;
case 15:
context.Transform(new Matrix3x2()
{
M11 = .25F,
M12 = (float)Math.Tan(5.0 * Math.PI / 180.0),
M21 = (float)Math.Tan(10.0 * Math.PI / 180.0),
M22 = .75F,
M31 = 10F,
M32 = 20F,
});
break;
}
FillRectangle(context, size, color);
}
DrawRectangle(context, size);
string label = null;
switch (d)
{
case 0: label = "Identity"; break;
case 1: label = "ScaleX(0.5)"; break;
case 2: label = "ScaleY(0.5)"; break;
case 3: label = "Scale(0.25, 0.5)"; break;
case 4: label = "Rotate(25°)"; break;
case 5: label = "Rotate(45°)"; break;
case 6: label = "SkewX(20°)"; break;
case 7: label = "SkewY(40°)"; break;
case 8: label = "Skew(5°, 10°)"; break;
case 9: label = "TranslateX(10)"; break;
case 10: label = "TranslateY(10)"; break;
case 11: label = "Translate(5, 10)"; break;
case 12: label = "Rotate(20°, C)"; break;
case 13: label = "SkewX(20°, C)"; break;
case 14: label = "Scale(0.25, 0.5, C)"; break;
case 15: label = "Matrix"; break;
}
using (var layout = new UGTextLayout(context, label, FORMAT, new UGSize(size.Width - 2F * MARGIN, size.Height - 2F * MARGIN)))
{
layout.HorizontalAlignment = UGHorizontalAlignment.Center;
layout.VerticalAlignment = UGVerticalAlignment.Center;
DrawText(context, layout);
}
}
}
}
}
