public static void Draw(Graphics graphics)
{
var generator = graphics.Generator;
var image = TestIcons.TestImage(generator);
// lines
var whitePen = Pens.White(generator);
graphics.DrawLine(whitePen, 1, 1, 99, 99);
graphics.DrawLine(whitePen, 50, 1, 50, 99);
graphics.DrawLine(whitePen, 1, 51, 99, 51);
graphics.DrawRectangle(Pens.White(generator), 101, 1, 100, 100);
graphics.DrawRectangle(Pens.White(generator), 101, 1, 10, 10);
graphics.DrawEllipse(Pens.Green(generator), 101, 1, 100, 100);
graphics.DrawPolygon(Pens.White(generator), new PointF(203, 1), new PointF(253, 51), new Point(203, 101), new PointF(203, 1), new PointF(253, 1), new PointF(253, 101), new PointF(203, 101));
var rect = new RectangleF(255, 1, 100, 100);
graphics.DrawArc(Pens.LightGreen(generator), rect, 180, 90);
graphics.DrawArc(Pens.SkyBlue(generator), rect, 0, 90);
rect.Inflate(-15, 0);
graphics.DrawArc(Pens.FloralWhite(generator), rect, -45, 90);
rect.Inflate(-5, -20);
graphics.DrawArc(Pens.SlateGray(generator), rect, -45, 270);
rect.Inflate(-10, -10);
graphics.DrawArc(Pens.SteelBlue(generator), rect, 180 + 45, 270);
graphics.DrawImage(image, 100, 1, 100, 100);
graphics.DrawText(Fonts.Sans(12 * graphics.PointsPerPixel, generator: generator), Colors.White, 0, 104, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
// filled
graphics.FillRectangle(Brushes.White(generator), 101, 120, 100, 100);
graphics.FillRectangle(Brushes.Gray(generator), 101, 120, 10, 10);
graphics.FillEllipse(Brushes.Green(generator), 101, 120, 100, 100);
graphics.FillPolygon(Brushes.White(generator), new PointF(202, 120), new PointF(252, 170), new Point(202, 220), new PointF(202, 120));
rect = new RectangleF(255, 120, 100, 100);
graphics.FillPie(Brushes.LightGreen(generator), rect, 180, 90);
graphics.FillPie(Brushes.SkyBlue(generator), rect, 0, 90);
rect.Inflate(-15, 0);
graphics.FillPie(Brushes.FloralWhite(generator), rect, -45, 90);
rect.Inflate(-5, -20);
graphics.FillPie(Brushes.SlateGray(generator), rect, -45, 270);
rect.Inflate(-10, -10);
graphics.FillPie(Brushes.SteelBlue(generator), rect, 180 + 45, 270);
graphics.DrawImage(image, 101, 120, 100, 100);
}
Control AntialiasOff()
{
var control = new Drawable {
Size = new Size(100, 100), BackgroundColor = Colors.Black
};
var path = CreatePath();
control.Paint += (sender, e) => {
e.Graphics.Antialias = false;
e.Graphics.DrawPath(Pens.White(), path);
};
return(control);
}
Control LargeCanvas()
{
var control = new Drawable
{
Size = new Size(1000, 1000),
BackgroundColor = Colors.Blue
};
var image = TestIcons.TestImage;
control.Paint += delegate(object sender, PaintEventArgs pe)
{
pe.Graphics.FillRectangle(Brushes.Black(), new Rectangle(150, 150, 100, 100));
var whitePen = Pens.White();
var inc = 400;
for (int i = 0; i <= control.Size.Width / inc; i++)
{
var pos = i * inc;
pe.Graphics.DrawLine(whitePen, new Point(pos, 0), new Point(pos + control.Size.Width, control.Size.Height));
pe.Graphics.DrawLine(whitePen, new Point(pos, 0), new Point(pos - control.Size.Width, control.Size.Height));
}
var lpos = 100;
pe.Graphics.DrawLine(whitePen, new Point(0, lpos), new Point(control.Size.Width, lpos));
pe.Graphics.DrawLine(whitePen, new Point(lpos, 0), new Point(lpos, control.Size.Height));
pe.Graphics.DrawImage(image, 100, 10);
pe.Graphics.DrawImage(image, 250, 10, 80, 20);
};
LogEvents(control);
var layout = new PixelLayout();
layout.Add(control, 25, 25);
return(new Scrollable
{
Size = new Size(250, 250),
Content = layout
});
}
void MatrixTests(Graphics g)
{
// test matrix RotateAt
DrawRotatedLines(g, Colors.SkyBlue, rotatedLineCenter, (center, angle) => {
var m = Matrix.Create(Generator);
m.RotateAt(angle, center);
g.MultiplyTransform(m);
});
// test matrix scale/translate/rotate
DrawRotatedLines(g, Colors.Salmon, rotatedLineCenter, (center, angle) => {
var m = Matrix.Create(Generator);
m.Translate(center);
m.Rotate(angle);
m.Translate(-center);
m.Scale(.4f);
g.MultiplyTransform(m);
});
// test rotating arcs
DrawRotatedArcs(g, Colors.LightBlue, rotatedLineCenter, (center, angle) => {
var m = Matrix.Create(Generator);
m.RotateAt(angle, center);
g.MultiplyTransform(m);
});
// test transformed text
DrawRotatedText(g, Colors.Lime, rotatedTextCenter, (center, angle) => {
var m = Matrix.Create(Generator);
m.RotateAt(angle, center - 40);
g.MultiplyTransform(m);
});
// test image drawing
{
g.SaveTransform();
g.MultiplyTransform(Matrix.FromScaleAt(new SizeF(1, -1), imageScaleLocation + image.Size / 2, generator: Generator));
g.DrawImage(image, imageScaleLocation);
var m = Matrix.Create(Generator);
m.Translate(0, -50);
m.ScaleAt(0.3f, imageScaleLocation + image.Size / 2);
g.MultiplyTransform(m);
g.DrawImage(image, imageScaleLocation);
g.RestoreTransform();
}
// test skewing
{
g.SaveTransform();
var m = Matrix.Create(Generator);
m.Skew(20, 20);
g.MultiplyTransform(m);
var textSize = g.MeasureString(font, "Skewed Text");
g.DrawText(font, Colors.White, new PointF(110, 0), "Skewed Text");
g.DrawLine(Pens.White(Generator), 110, textSize.Height + 2, 110 + textSize.Width, textSize.Height + 2);
g.RestoreTransform();
}
// test more drawing operations
{
g.SaveTransform();
var m = Matrix.Create(Generator);
m.Translate(480, 20);
m.Scale(0.4f);
m.Rotate(90);
g.MultiplyTransform(m);
PixelOffsetSection.Draw(g);
g.RestoreTransform();
}
}
void DirectTests(Graphics g)
{
// test translate/rotate
DrawRotatedLines(g, Colors.SkyBlue, rotatedLineCenter, (center, angle) => {
g.TranslateTransform(center);
g.RotateTransform(angle);
g.TranslateTransform(-center);
});
// test translate/rotate/scale
DrawRotatedLines(g, Colors.Salmon, rotatedLineCenter, (center, angle) => {
g.TranslateTransform(center);
g.RotateTransform(angle);
g.TranslateTransform(-center);
g.ScaleTransform(.4f);
});
// test rotating arcs
DrawRotatedArcs(g, Colors.LightBlue, rotatedLineCenter, (center, angle) => {
g.TranslateTransform(center);
g.RotateTransform(angle);
g.TranslateTransform(-center);
});
// test transformed text
DrawRotatedText(g, Colors.Lime, rotatedTextCenter, (center, angle) => {
g.TranslateTransform(center - 40);
g.RotateTransform(angle);
g.TranslateTransform(-center + 40);
});
// Test image drawing
g.SaveTransform();
g.TranslateTransform(imageScaleLocation + image.Size / 2);
g.ScaleTransform(1, -1);
g.TranslateTransform(-imageScaleLocation - image.Size / 2);
g.DrawImage(image, imageScaleLocation);
g.TranslateTransform(0, -50);
g.TranslateTransform(imageScaleLocation + image.Size / 2);
g.ScaleTransform(0.3f);
g.TranslateTransform(-imageScaleLocation - image.Size / 2);
g.DrawImage(image, imageScaleLocation);
g.RestoreTransform();
// test skewing
g.SaveTransform();
g.MultiplyTransform(Matrix.FromSkew(20, 20, Generator));
var textSize = g.MeasureString(font, "Skewed Text");
g.DrawText(font, Colors.White, new PointF(110, 0), "Skewed Text");
g.DrawLine(Pens.White(Generator), 110, textSize.Height + 2, 110 + textSize.Width, textSize.Height + 2);
g.RestoreTransform();
// test more drawing operations
g.SaveTransform();
g.TranslateTransform(480, 20);
g.ScaleTransform(0.4f);
g.RotateTransform(90);
PixelOffsetSection.Draw(g);
g.RestoreTransform();
}
