/// <summary>
/// View which is clipping image and applying mask
/// </summary>
/// <param name="resourceImageUrl">Image which will be cripped</param>
/// <param name="maskImageUrl">Image for masking</param>
public ClippingMaskView(string resourceImageUrl, string maskImageUrl)
{
// Load mask image file and make PixelData
PixelData pixelData = PixelBuffer.Convert(
ImageLoading.LoadImageFromFile(
maskImageUrl,
new Size2D(),
FittingModeType.ScaleToFill
)
);
// Make mask image texture and upload.
Texture maskTexture = new Texture(
TextureType.TEXTURE_2D,
pixelData.GetPixelFormat(),
pixelData.GetWidth(),
pixelData.GetHeight()
);
maskTexture.Upload(pixelData);
Size maskImageSize = new Size(maskTexture.GetWidth(), maskTexture.GetHeight());
// Background Image will be clipped
BackgroundImage = new ImageView()
{
PositionUsesPivotPoint = true,
PivotPoint = Tizen.NUI.PivotPoint.Center,
ParentOrigin = Tizen.NUI.ParentOrigin.Center,
Size = maskImageSize,
ResourceUrl = resourceImageUrl,
};
Add(BackgroundImage);
// Set properties for render task
Camera camera = new Camera(new Vector2(maskImageSize.Width, maskImageSize.Height))
{
PositionUsesPivotPoint = true,
PivotPoint = Tizen.NUI.PivotPoint.Center,
ParentOrigin = Tizen.NUI.ParentOrigin.Center,
};
camera.SetInvertYAxis(true);
Add(camera);
RenderTask task = NUIApplication.GetDefaultWindow().GetRenderTaskList().CreateTask();
task.SetRefreshRate((uint)RenderTask.RefreshRate.REFRESH_ALWAYS);
task.SetSourceView(BackgroundImage);
task.SetExclusive(true);
task.SetInputEnabled(false);
task.SetClearColor(new Vector4(1.0f, 1.0f, 1.0f, 1.0f));
task.SetClearEnabled(true);
task.SetCamera(camera);
// Clipped Texture
Texture clippedTexture = new Texture(
TextureType.TEXTURE_2D,
PixelFormat.RGBA8888,
(uint)maskImageSize.Width,
(uint)maskImageSize.Height
);
FrameBuffer frameBuffer = new FrameBuffer(
(uint)maskImageSize.Width,
(uint)maskImageSize.Height,
(uint)FrameBuffer.Attachment.Mask.NONE
);
frameBuffer.AttachColorTexture(clippedTexture);
task.SetFrameBuffer(frameBuffer);
/* Create Renderer to apply mask */
PropertyMap vertexFormat = new PropertyMap();
vertexFormat.Add("aPosition", new PropertyValue((int)PropertyType.Vector2));
PropertyBuffer vertexBuffer = new PropertyBuffer(vertexFormat);
vertexBuffer.SetData(RectangleDataPtr(), 4);
/* Create geometry */
Geometry geometry = new Geometry();
geometry.AddVertexBuffer(vertexBuffer);
geometry.SetType(Geometry.Type.TRIANGLE_STRIP);
/* Create Shader */
Shader shader = new Shader(VERTEX_SHADER, FRAGMENT_SHADER);
TextureSet textureSet = new TextureSet();
textureSet.SetTexture(0u, clippedTexture);
textureSet.SetTexture(1u, maskTexture);
Renderer renderer = new Renderer(geometry, shader);
renderer.SetTextures(textureSet);
AddRenderer(renderer);
}