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);
}
void MatrixTests(Graphics g)
{
// test matrix RotateAt
DrawRotatedLines(g, Colors.SkyBlue, rotatedLineCenter, (center, angle) => {
var m = Matrix.Create();
m.RotateAt(angle, center);
g.MultiplyTransform(m);
});
// test matrix scale/translate/rotate
DrawRotatedLines(g, Colors.Salmon, rotatedLineCenter, (center, angle) => {
var m = Matrix.Create();
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();
m.RotateAt(angle, center);
g.MultiplyTransform(m);
});
// test transformed text
DrawRotatedText(g, Colors.Lime, rotatedTextCenter, (center, angle) => {
var m = Matrix.Create();
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));
g.DrawImage(image, imageScaleLocation);
var m = Matrix.Create();
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();
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, 110, textSize.Height + 2, 110 + textSize.Width, textSize.Height + 2);
g.RestoreTransform();
}
// test more drawing operations
{
g.SaveTransform();
var m = Matrix.Create();
m.Translate(480, 20);
m.Scale(0.4f);
m.Rotate(90);
g.MultiplyTransform(m);
PixelOffsetSection.Draw(g);
g.RestoreTransform();
}
}
void DrawRotatedText(Graphics g, Color color, PointF center, Action<PointF, float> action)
{
for (float i = 0; i <= 90f; i += 10)
{
g.SaveTransform();
action(center, i);
g.DrawText(font, color, center, "Some Rotated Text");
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));
var textSize = g.MeasureString(font, "Skewed Text");
g.DrawText(font, Colors.White, new PointF(110, 0), "Skewed Text");
g.DrawLine(Pens.White, 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();
}
internal void DrawFrame(Graphics g)
{
float y = 0;
foreach (var info in GetDrawInfo())
{
var size = g.MeasureString(info.Font, info.Text);
g.DrawText(info.Font, Colors.White, 10, y, info.Text);
y += size.Height;
}
}
public static void Draw(Graphics graphics)
{
var image = TestIcons.TestImage;
// lines
var whitePen = new Pen(Colors.White, 1);
graphics.DrawLine(whitePen, 1, 1, 99, 99);
graphics.DrawLine(whitePen, 50, 1, 50, 99);
graphics.DrawLine(whitePen, 1, 51, 99, 51);
graphics.DrawRectangle(whitePen, 101, 1, 100, 100);
graphics.DrawRectangle(whitePen, 101, 1, 10, 10);
graphics.DrawEllipse(Pens.Green, 101, 1, 100, 100);
graphics.DrawPolygon(whitePen, 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, rect, 180, 90);
graphics.DrawArc(Pens.SkyBlue, rect, 0, 90);
rect.Inflate(-15, 0);
graphics.DrawArc(Pens.FloralWhite, rect, -45, 90);
rect.Inflate(-5, -20);
graphics.DrawArc(Pens.SlateGray, rect, -45, 270);
rect.Inflate(-10, -10);
graphics.DrawArc(Pens.SteelBlue, rect, 180 + 45, 270);
graphics.DrawImage(image, 100, 1, 100, 100);
graphics.DrawText(Fonts.Sans(12 * graphics.PointsPerPixel), Colors.White, 0, 104, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
// filled
graphics.FillRectangle(Brushes.White, 101, 120, 100, 100);
graphics.FillRectangle(Brushes.Gray, 101, 120, 10, 10);
graphics.FillEllipse(Brushes.Green, 101, 120, 100, 100);
graphics.FillPolygon(Brushes.White, 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, rect, 180, 90);
graphics.FillPie(Brushes.SkyBlue, rect, 0, 90);
rect.Inflate(-15, 0);
graphics.FillPie(Brushes.FloralWhite, rect, -45, 90);
rect.Inflate(-5, -20);
graphics.FillPie(Brushes.SlateGray, rect, -45, 270);
rect.Inflate(-10, -10);
graphics.FillPie(Brushes.SteelBlue, rect, 180 + 45, 270);
graphics.DrawImage(image, 101, 120, 100, 100);
const int offset = 440;
var xoffset = offset;
var yoffset = 112;
for (int i = 1; i < 14; i++)
{
var pen = new Pen(Colors.White, i);
pen.LineCap = PenLineCap.Butt;
graphics.DrawLine(pen, xoffset, 1, xoffset, 110);
graphics.DrawLine(pen, offset, yoffset, offset + 100, yoffset);
xoffset += i + 2;
yoffset += i + 2;
}
}
public void DrawFrame(Graphics graphics, Size canvasSize)
{
if (graphics == null)
return;
lock (Boxes)
{
if (Boxes.Count == 0 && canvasSize.Width > 1 && canvasSize.Height > 1)
InitializeBoxes(canvasSize);
var fps = TotalFrames / Watch.Elapsed.TotalSeconds;
// The frames per second as determined by the last frame. Measuring a single frame
// must include EndDraw, since that is when the pipeline is flushed to the device.
var lastFrameFps = Stopwatch.Frequency / (Watch.ElapsedTicks - PreviousFrameStartTicks);
PreviousFrameStartTicks = Watch.ElapsedTicks;
var fpsText = string.Format("Frames per second since start: {0:0.00}, last: {1:0.00}", fps, lastFrameFps);
var start = Watch.ElapsedTicks;
if (EraseBoxes)
graphics.FillRectangle(Colors.Black, new RectangleF(graphics.MeasureString(font, fpsText)));
graphics.DrawText(font, textBrush, 0, 0, fpsText);
var bounds = canvasSize;
graphics.AntiAlias = false;
foreach (var box in Boxes)
{
if (EraseBoxes)
box.Erase(graphics);
box.Move(bounds);
box.Draw(graphics);
}
TotalFrames++;
}
}