/// <summary>
/// Draws the given bitmap.
/// </summary>
/// <param name="bitmap">The bitmap.</param>
/// <param name="destinationRectangle">The target rectangle where to draw the bitmap.</param>
/// <param name="opacity">The opacity.</param>
/// <param name="interpolationMode">The interpolation mode.</param>
/// <param name="frameIndex">The frame of the bitmap to be rendered.</param>
public void DrawBitmap(
BitmapResource bitmap,
RectangleF destinationRectangle,
float opacity = 1f,
BitmapInterpolationMode interpolationMode = BitmapInterpolationMode.NearestNeighbor,
int frameIndex = 0)
{
if (m_renderTarget == null)
{
return;
}
bitmap.EnsureNotNull(nameof(bitmap));
destinationRectangle.EnsureNotEmpty(nameof(destinationRectangle));
opacity.EnsureInRange(0f, 1f, nameof(opacity));
int bitmapFrameCount = bitmap.TotalFrameCount;
frameIndex.EnsureInRange(0, bitmapFrameCount - 1, nameof(frameIndex));
// Render the bitmap
if (bitmapFrameCount > 1)
{
// Get the native bitmap object first
// (if not, we may not have loaded it already and therefore
// missing size information)
D2D.Bitmap nativeBitmap = bitmap.GetBitmap(m_device);
// Calculate source rectangle
int framesX = bitmap.FrameCountX;
int xFrameIndex = frameIndex % framesX;
int yFrameIndex = (frameIndex - xFrameIndex) / framesX;
int singleFrameWidth = bitmap.SingleFramePixelWidth;
int singleFrameHeight = bitmap.SingleFramePixelHeight;
RectangleF sourceRectangle = new RectangleF(
xFrameIndex * singleFrameWidth,
yFrameIndex * singleFrameHeight,
singleFrameWidth, singleFrameHeight);
// Render tiled bitmap
m_renderTarget.DrawBitmap(
nativeBitmap,
destinationRectangle.ToDXRectangle(),
opacity,
(D2D.BitmapInterpolationMode)interpolationMode,
sourceRectangle.ToDXRectangle());
}
else
{
// Render non-tiled bitmap
m_renderTarget.DrawBitmap(
bitmap.GetBitmap(m_device),
destinationRectangle.ToDXRectangle(),
opacity,
(D2D.BitmapInterpolationMode)interpolationMode);
}
}
/// <summary>
/// Draws the given image.
/// </summary>
/// <param name="image">The source of pixel data to be rendered.</param>
/// <param name="destinationOrigin">The origin point where to draw the image.</param>
public void DrawImage(
IImage image,
Vector2 destinationOrigin)
{
if (m_renderTarget == null)
{
return;
}
image.EnsureNotNull(nameof(image));
IImageInternal internalImage = image as IImageInternal;
internalImage.EnsureNotNull(nameof(internalImage));
if (m_deviceContext != null)
{
D2D.Image d2dImage = internalImage.GetImageObject(m_device) as D2D.Image;
d2dImage.EnsureNotNull(nameof(d2dImage));
m_deviceContext.DrawImage(
d2dImage,
destinationOrigin.ToDXVector(),
null,
D2D.InterpolationMode.Linear,
D2D.CompositeMode.SourceOver);
}
else
{
BitmapResource bitmap = internalImage.TryGetSourceBitmap();
if (bitmap != null)
{
this.DrawBitmap(bitmap, destinationOrigin);
}
}
}
