void Iwa_MotionBlurCompFx::setOutputRaster(float4 *srcMem, const RASTER dstRas,
TDimensionI dim, int2 margin) {
int out_j = 0;
for (int j = margin.y; j < dstRas->getLy() + margin.y; j++, out_j++) {
PIXEL *pix = dstRas->pixels(out_j);
float4 *chan_p = srcMem;
chan_p += j * dim.lx + margin.x;
for (int i = 0; i < dstRas->getLx(); i++) {
float val;
val = (*chan_p).x * (float)PIXEL::maxChannelValue + 0.5f;
pix->r = (typename PIXEL::Channel)((val > (float)PIXEL::maxChannelValue)
? (float)PIXEL::maxChannelValue
: val);
val = (*chan_p).y * (float)PIXEL::maxChannelValue + 0.5f;
pix->g = (typename PIXEL::Channel)((val > (float)PIXEL::maxChannelValue)
? (float)PIXEL::maxChannelValue
: val);
val = (*chan_p).z * (float)PIXEL::maxChannelValue + 0.5f;
pix->b = (typename PIXEL::Channel)((val > (float)PIXEL::maxChannelValue)
? (float)PIXEL::maxChannelValue
: val);
val = (*chan_p).w * (float)PIXEL::maxChannelValue + 0.5f;
pix->m = (typename PIXEL::Channel)((val > (float)PIXEL::maxChannelValue)
? (float)PIXEL::maxChannelValue
: val);
pix++;
chan_p++;
}
}
}
void Iwa_GradientWarpFx::setSourceRaster(const RASTER srcRas,
float4 *dstMem,
TDimensionI dim)
{
float4 *chann_p = dstMem;
for (int j = 0; j < dim.ly; j++) {
PIXEL *pix = srcRas->pixels(j);
for (int i = 0; i < dim.lx; i++, pix++, chann_p++) {
(*chann_p).x = (float)pix->r / (float)PIXEL::maxChannelValue;
(*chann_p).y = (float)pix->g / (float)PIXEL::maxChannelValue;
(*chann_p).z = (float)pix->b / (float)PIXEL::maxChannelValue;
(*chann_p).w = (float)pix->m / (float)PIXEL::maxChannelValue;
}
}
}
void Iwa_GradientWarpFx::setWarperRaster(const RASTER warperRas,
float *dstMem,
TDimensionI dim)
{
float *chann_p = dstMem;
for (int j = 0; j < dim.ly; j++) {
PIXEL *pix = warperRas->pixels(j);
for (int i = 0; i < dim.lx; i++, pix++, chann_p++) {
float r = (float)pix->r / (float)PIXEL::maxChannelValue;
float g = (float)pix->g / (float)PIXEL::maxChannelValue;
float b = (float)pix->b / (float)PIXEL::maxChannelValue;
(*chann_p) = 0.298912f * r + 0.586611f * g + 0.114478f * b;
}
}
}
bool Iwa_MotionBlurCompFx::setSourceRaster(const RASTER srcRas, float4 *dstMem,
TDimensionI dim,
PremultiTypes type) {
bool isPremultiplied = (type == SOURCE_IS_NOT_PREMUTIPLIED) ? false : true;
float4 *chann_p = dstMem;
float threshold = 100.0 / (float)TPixel64::maxChannelValue;
int max = 0;
for (int j = 0; j < dim.ly; j++) {
PIXEL *pix = srcRas->pixels(j);
for (int i = 0; i < dim.lx; i++) {
(*chann_p).x = (float)pix->r / (float)PIXEL::maxChannelValue;
(*chann_p).y = (float)pix->g / (float)PIXEL::maxChannelValue;
(*chann_p).z = (float)pix->b / (float)PIXEL::maxChannelValue;
(*chann_p).w = (float)pix->m / (float)PIXEL::maxChannelValue;
/*- RGB値がアルファチャンネルより大きいピクセルがあれば、
Premutiplyされていないと判断する -*/
if (type == AUTO && isPremultiplied &&
(((*chann_p).x > (*chann_p).w && (*chann_p).x > threshold) ||
((*chann_p).y > (*chann_p).w && (*chann_p).y > threshold) ||
((*chann_p).z > (*chann_p).w && (*chann_p).z > threshold)))
isPremultiplied = false;
pix++;
chann_p++;
}
}
if (isPremultiplied) {
chann_p = dstMem;
for (int i = 0; i < dim.lx * dim.ly; i++, chann_p++) {
if ((*chann_p).x > (*chann_p).w) (*chann_p).x = (*chann_p).w;
if ((*chann_p).y > (*chann_p).w) (*chann_p).y = (*chann_p).w;
if ((*chann_p).z > (*chann_p).w) (*chann_p).z = (*chann_p).w;
}
}
return isPremultiplied;
}