public RenderTextureIssue937()
{
/*
* 1 2
* A: A1 A2
*
* B: B1 B2
*
* A1: premulti sprite
* A2: premulti render
*
* B1: non-premulti sprite
* B2: non-premulti render
*/
CCLayerColor background = new CCLayerColor(new CCColor4B(200, 200, 200, 255));
AddChild(background);
CCSprite spr_premulti = new CCSprite("Images/fire");
spr_premulti.Position = new CCPoint(16, 48);
CCSprite spr_nonpremulti = new CCSprite("Images/fire");
spr_nonpremulti.Position = new CCPoint(16, 16);
/* A2 & B2 setup */
CCRenderTexture rend = new CCRenderTexture(32, 64);
// It's possible to modify the RenderTexture blending function by
//CCBlendFunc bf = new CCBlendFunc (OGLES.GL_ONE, OGLES.GL_ONE_MINUS_SRC_ALPHA);
//rend.Sprite.BlendFunc = bf;
rend.Begin();
// A2
spr_premulti.Visit();
// B2
spr_nonpremulti.Visit();
rend.End();
CCSize s = CCDirector.SharedDirector.WinSize;
/* A1: setup */
spr_premulti.Position = new CCPoint(s.Width / 2 - 16, s.Height / 2 + 16);
/* B1: setup */
spr_nonpremulti.Position = new CCPoint(s.Width / 2 - 16, s.Height / 2 - 16);
rend.Position = new CCPoint(s.Width / 2 + 16, s.Height / 2);
AddChild(spr_nonpremulti);
AddChild(spr_premulti);
AddChild(rend);
}
public void renderScreenShot()
{
var size = CCDirector.SharedDirector.WinSize;
var texture = new CCRenderTexture((int)size.Width, (int)size.Height);
//var texture = new CCRenderTexture(512, 512);
texture.AnchorPoint = new CCPoint(0, 0);
texture.Begin();
Visit();
texture.End();
CCSprite sprite = new CCSprite(texture.Sprite.Texture);
//sprite.Position = new CCPoint(256, 256);
sprite.Position = new CCPoint(size.Width/2, size.Height / 2);
sprite.Opacity = 182;
//sprite.IsFlipY = true;
AddChild(sprite, 999999);
sprite.Color = CCTypes.CCGreen;
sprite.RunAction(
CCSequence.FromActions(
new CCFadeTo (2, 0),
new CCHide()
)
);
}