public TextureBrush(Stream stream, bool loadAsync = false)
{
IsAsync = loadAsync;
disposeTexture = true;
texture = new Texture(stream, loadAsync);
Color = Color4.White;
InterpolationMode = InterpolationMode.Default;
}
public TextureBrush(Texture texture)
{
IsAsync = texture.IsAsync;
disposeTexture = false;
this.texture = texture;
Color = Color4.White;
InterpolationMode = InterpolationMode.Default;
}
unsafe void SetTexture(Texture texture, Color4 color, float opacity)
{
SetTextureInner(texture.ResourceView);
var buffer = new Brush.BrushBuffer() { Type = 4, Opacity = opacity};
buffer.GradientColors[0] = color.R;
buffer.GradientColors[1] = color.G;
buffer.GradientColors[2] = color.B;
buffer.GradientColors[3] = color.A;
deviceContext.UpdateSubresource(brushBuffer, 0, null, (IntPtr)(&buffer), 0, 0);
deviceContext.PixelShader.SetConstantBuffer(1, brushBuffer);
}
/// <summary>
/// Draws a colored texture.
/// </summary>
/// <param name="texture">The texture.</param>
/// <param name="color">The color of the texture.</param>
/// <param name="destinationRectangle">The rectangle the texture will be displayed in.</param>
/// <param name="sourceRectangle">The rectangle defining the part of the texture that will be displayed.</param>
/// <param name="opacity">The opacity of the drawn texture.</param>
/// <param name="interpolationMode">The interpolation mode used to stretch the texture.</param>
/// <exception cref="System.ArgumentOutOfRangeException">The source rectangle lies not inside the textures bounds.</exception>
public void DrawTexture(Texture texture, Color4 color, Rectangle destinationRectangle, Rectangle sourceRectangle, float opacity = 1f, InterpolationMode interpolationMode = InterpolationMode.Default)
{
if (sourceRectangle.Left < 0 || sourceRectangle.Top < 0 ||
sourceRectangle.Right > texture.Width || sourceRectangle.Bottom > texture.Height)
throw new ArgumentOutOfRangeException(nameof(sourceRectangle));
SetTexture(texture, color, opacity);
SetSamplerState(currentWrapMode, interpolationMode == InterpolationMode.Default ? defaultInterpolationMode : interpolationMode);
float textCoordLeft = sourceRectangle.Left / texture.Width;
float textCoordRight = sourceRectangle.Right / texture.Width;
float textCoordTop = sourceRectangle.Top / texture.Height;
float textCoordBottom = sourceRectangle.Bottom / texture.Height;
Vertex[] vertices = new[]
{
new Vertex(destinationRectangle.Left, destinationRectangle.Top, textCoordLeft, textCoordTop),
new Vertex(destinationRectangle.Right, destinationRectangle.Top, textCoordRight, textCoordTop),
new Vertex(destinationRectangle.Left, destinationRectangle.Bottom, textCoordLeft, textCoordBottom),
new Vertex(destinationRectangle.Right, destinationRectangle.Bottom, textCoordRight, textCoordBottom),
};
int[] indices = { 0, 1, 2, 1, 2, 3 };
DrawVertices(indices, vertices, 0);
}
/// <summary>
/// Draws a texture.
/// </summary>
/// <param name="texture">The texture.</param>
/// <param name="location">The loction the texture will be displayed at.</param>
/// <param name="opacity">The opacity of the drawn texture.</param>
/// <param name="interpolationMode">The interpolation mode used to stretch the texture.</param>
public void DrawTexture(Texture texture, Vector2 location, float opacity = 1, InterpolationMode interpolationMode = InterpolationMode.Default)
{
DrawTexture(texture, Color4.White, new Rectangle(location.X, location.Y, texture.Width, texture.Height), opacity, interpolationMode);
}
/// <summary>
/// Draws a texture.
/// </summary>
/// <param name="texture">The texture.</param>
/// <param name="destinationRectangle">The rectangle the texture will be displayed in.</param>
/// <param name="opacity">The opacity of the drawn texture.</param>
/// <param name="interpolationMode">The interpolation mode used to stretch the texture.</param>
public void DrawTexture(Texture texture, Rectangle destinationRectangle, float opacity = 1f, InterpolationMode interpolationMode = InterpolationMode.Default)
{
DrawTexture(texture, Color4.White, destinationRectangle, opacity, interpolationMode);
}
/// <summary>
/// Draws a colored texture.
/// </summary>
/// <param name="texture">The texture.</param>
/// <param name="color">The color of the texture.</param>
/// <param name="destinationRectangle">The rectangle the texture will be displayed in.</param>
/// <param name="opacity">The opacity of the drawn texture.</param>
/// <param name="interpolationMode">The interpolation mode used to stretch the texture.</param>
public void DrawTexture(Texture texture, Color4 color, Rectangle destinationRectangle, float opacity = 1f, InterpolationMode interpolationMode = InterpolationMode.Default)
{
SetTexture(texture, color, opacity);
SetSamplerState(currentWrapMode, interpolationMode == InterpolationMode.Default ? defaultInterpolationMode : interpolationMode);
Vertex[] vertices = new[]
{
new Vertex(destinationRectangle.Left, destinationRectangle.Top, 0, 0),
new Vertex(destinationRectangle.Right, destinationRectangle.Top, 1, 0),
new Vertex(destinationRectangle.Left, destinationRectangle.Bottom, 0, 1),
new Vertex(destinationRectangle.Right, destinationRectangle.Bottom, 1, 1),
};
int[] indices = { 0, 1, 2, 1, 2, 3 };
DrawVertices(indices, vertices, 0);
}
