public void blend(PImage src, int sx, int sy, int sw, int sh, int dx, int dy, int dw, int dh, BlendMode mode)
{
var blend = mode switch
{
BlendMode.ADD => BlendState.Additive,
BlendMode.DODGE => new BlendState
{
ColorSourceBlend = Blend.One,
ColorDestinationBlend = Blend.One,
ColorBlendFunction = BlendFunction.Add
},
BlendMode.MULTIPLY => new BlendState
{
ColorSourceBlend = Blend.DestinationColor,
ColorDestinationBlend = Blend.Zero,
ColorBlendFunction = BlendFunction.Add
},
BlendMode.LIGHTEST => new BlendState
{
ColorSourceBlend = Blend.One,
ColorDestinationBlend = Blend.One,
ColorBlendFunction = BlendFunction.Max
},
BlendMode.DARKEST => new BlendState
{
ColorSourceBlend = Blend.One,
ColorDestinationBlend = Blend.One,
ColorBlendFunction = BlendFunction.Min
},
BlendMode.SUBTRACT => new BlendState
{
ColorSourceBlend = Blend.One,
AlphaSourceBlend = Blend.One,
ColorDestinationBlend = Blend.One,
AlphaDestinationBlend = Blend.One,
ColorBlendFunction = BlendFunction.ReverseSubtract,
AlphaBlendFunction = BlendFunction.ReverseSubtract
},
_ => BlendState.NonPremultiplied,
};
var aux = graphicsDevice.GetRenderTargets();
var img = new RenderTarget2D(graphicsDevice, width, height, false, graphicsDevice.PresentationParameters.BackBufferFormat, DepthFormat.Depth24);
graphicsDevice.SetRenderTarget(img);
graphicsDevice.Clear(Color.Transparent);
spriteBatch.Begin(SpriteSortMode.Immediate);
spriteBatch.Draw(texture, Vector2.Zero, Color.White);
spriteBatch.End();
spriteBatch.Begin(SpriteSortMode.Immediate, blend);
spriteBatch.Draw(src.texture, new Vector2(dx, dy), new Rectangle(sx, sy, sw, sh), Color.White, 0, Vector2.Zero, new Vector2(dw / (float)sw, dh / (float)sh), SpriteEffects.None, 0);
spriteBatch.End();
graphicsDevice.SetRenderTargets(currentTarget);
texture = img;
}
public void mask(PImage img)
{
img.loadPixels();
for (int i = 0; i < pixels.Length; i++)
{
var aux = pixels[i];
aux.A = img.pixels[i].B;
pixels[i] = aux;
}
}
public void copy(PImage src, int sx, int sy, int sw, int sh, int dx, int dy, int dw, int dh)
{
var img = new RenderTarget2D(graphicsDevice, width, height, false, graphicsDevice.PresentationParameters.BackBufferFormat, DepthFormat.Depth24);
graphicsDevice.SetRenderTarget(img);
graphicsDevice.Clear(Color.Transparent);
spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.AlphaBlend);
spriteBatch.Draw(texture, Vector2.Zero, Color.White);
spriteBatch.Draw(src.texture, new Vector2(dx, dy), new Rectangle(sx, sy, sw, sh), Color.White, 0, Vector2.Zero, new Vector2(dw / (float)sw, dh / (float)sh), SpriteEffects.None, 0);
spriteBatch.End();
graphicsDevice.SetRenderTargets(currentTarget);
texture = img;
}
public void background(PImage img)
{
background(255);
image(img, 0, 0, width, height);
}
public void image(PImage img, float a, float b) => image(img, a, b, img.width, img.height);
public void image(PImage img, float a, float b, float c, float d) => DrawImage(img.texture, a, b, c, d, _style.Tint);
