void ac::FlipMirrorAlphaBlend(cv::Mat &frame) {
cv::Mat copies[2];
copies[0] = frame.clone();
copies[1] = frame.clone();
FlipHorizontal(copies[0]);
FlipVertical(copies[1]);
cv::Mat output[2];
AlphaBlendDouble(copies[0], frame, output[0], 0.5, 0.5);
AlphaBlendDouble(copies[1], frame, output[1], 0.5, 0.5);
AlphaBlend(output[0], output[1], frame, 0.5);
AddInvert(frame);
}
void Image::FlipHorizontal()
{
switch(format)
{
case FORMAT_A8:
FlipHorizontal((uint8 *)data, width, height);
break;
case FORMAT_A16:
case FORMAT_RGBA5551:
case FORMAT_RGBA4444:
case FORMAT_RGB565:
FlipHorizontal((uint16 *)data, width, height);
break;
case FORMAT_RGBA8888:
FlipHorizontal((uint32 *)data, width, height);
break;
default:
DVASSERT(false && "Not implemented");
break;
}
}
void HDRTextureCube::LoadFaces() {
faces = new Face*[6];
int faceWidth = width / 3;
int faceHeight = height / 4;
for(int i = 0; i < 6; ++i) {
faces[i] = new Face();
faces[i]->data = new float[3 * faceWidth * faceHeight];
faces[i]->width = faceWidth;
faces[i]->height = faceHeight;
faces[i]->currentOffset = 0;
}
for(int l = 0; l < height; ++l) {
int jFace = (l - (l % faceHeight)) / faceHeight;
for(int iFace = 0; iFace < 3; ++iFace) {
Face *face = NULL;
int offset = 3 * (faceWidth * iFace + l * width);
if(iFace == 2 && jFace == 1) face = faces[0]; // POS_Y
if(iFace == 0 && jFace == 1) face = faces[1]; // NEG_Y
if(iFace == 1 && jFace == 0) face = faces[2]; // POS_X
if(iFace == 1 && jFace == 2) face = faces[3]; // NEG_X
if(iFace == 1 && jFace == 1) face = faces[4]; // POS_Z
if(iFace == 1 && jFace == 3) face = faces[5]; // NEG_Z
if(face) {
// the number of components to copy
int n = sizeof(float) * faceWidth * 3;
memcpy(face->data + face->currentOffset, data + offset, n);
face->currentOffset += (3 * faceWidth);
}
}
}
// adjust NEG_Z face
FlipHorizontal(faces[5]);
FlipVertical(faces[5]);
}
