public override void Draw(CanvasDrawingSession drawingSession, bool useSpriteBatch)
{
if (!surfaceLoaded)
{
return;
}
// 保护原先画布的混合模式
var previousBlend = drawingSession.Blend;
drawingSession.Blend = blendState;
#if WINDOWS_UWP
if (useSpriteBatch)
{
// 使用 SpriteBatch 可以提高性能
using (var spriteBatch = drawingSession.CreateSpriteBatch())
{
Draw(drawingSession, spriteBatch);
}
}
else
{
Draw(drawingSession, null);
}
#else
Draw(drawingSession);
#endif
drawingSession.Blend = previousBlend;
}
public void RunScenario(CanvasDrawingSession drawingSession, CanvasSpriteSortMode sortMode)
{
switch (method)
{
case Scenario.DrawMethod.Win2DSpriteBatch:
using (var sb = drawingSession.CreateSpriteBatch(sortMode))
{
foreach (var sprite in sprites)
{
sb.Draw(sprite.Bitmap, sprite.Position, sprite.Tint, Vector2.Zero, sprite.Rotation, Vector2.One, CanvasSpriteFlip.None);
}
}
break;
case Scenario.DrawMethod.DrawImage:
var oldTransform = drawingSession.Transform;
foreach (var sprite in sprites)
{
drawingSession.Transform = Matrix3x2.CreateRotation(sprite.Rotation) * Matrix3x2.CreateTranslation(sprite.Position);
drawingSession.DrawImage(sprite.Bitmap, Vector2.Zero, sprite.Bitmap.Bounds, sprite.Tint.W);
}
drawingSession.Transform = oldTransform;
break;
}
}
public void Draw(CanvasDrawingSession drawingSession, bool useSpriteBatch)
{
if (surfaceLoaded)
{
// 保护原先画布的混合模式
var previousBlend = drawingSession.Blend;
drawingSession.Blend = CanvasBlend.SourceOver;
#if WINDOWS_UWP
if (useSpriteBatch)
{
// 使用 SpriteBatch 可以提高性能
using (var spriteBatch = drawingSession.CreateSpriteBatch())
{
Draw(drawingSession, spriteBatch);
}
}
else
{
Draw(drawingSession, null);
}
#else
Draw(drawingSession);
#endif
drawingSession.Blend = previousBlend;
}
}
public static CanvasSpriteBatch CreateSpriteBatch(this CanvasDrawingSession session, bool pixelGraphics = false)
{
session.Units = CanvasUnits.Pixels;
var spriteBatch = session.CreateSpriteBatch(CanvasSpriteSortMode.None,
CanvasImageInterpolation.NearestNeighbor, CanvasSpriteOptions.ClampToSourceRect);
return(spriteBatch);
}
virtual protected void Stage_Draw(ICanvasAnimatedControl sender, CanvasAnimatedDrawEventArgs args)
{
using (CanvasDrawingSession ds = args.DrawingSession)
using (CanvasSpriteBatch SBatch = ds.CreateSpriteBatch(CanvasSpriteSortMode.Bitmap))
{
lock ( Scenes )
{
Scenes.ForEach(x => x.Draw(ds, SBatch, Textures));
}
}
}
// Draws all of the active particles.
public void Draw(CanvasDrawingSession drawingSession, bool useSpriteBatch)
{
var previousBlend = drawingSession.Blend;
drawingSession.Blend = blendState;
if (useSpriteBatch)
{
using (var spriteBatch = drawingSession.CreateSpriteBatch())
{
Draw(drawingSession, spriteBatch);
}
}
else
{
Draw(drawingSession, null);
}
drawingSession.Blend = previousBlend;
}
public override void Draw(CanvasDrawingSession session)
{
var size = new Size(50.0d, 50.0d);
var sourceRect = new Rect(0.0d, 0.0d, 25.0d, 25.0d);
using (session.CreateLayer(1.0f))
{
using (var batch = session.CreateSpriteBatch(CanvasSpriteSortMode.Bitmap))
{
for (var row = 0; row < 10; row++)
{
for (var column = 0; column < 10; column++)
{
var x = size.Width * column;
var y = size.Height * row;
batch.DrawFromSpriteSheet(bitmapBrush, new Rect(new Point(x, y), size), sourceRect);
}
}
}
}
base.Draw(session);
}
public SpriteBatchWrapper(CanvasDrawingSession drawingSession)
{
_spriteBatch = drawingSession.CreateSpriteBatch(CanvasSpriteSortMode.None, CanvasImageInterpolation.Linear, CanvasSpriteOptions.ClampToSourceRect);
}
