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rasters

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This commit is contained in:
aap
2016-07-15 11:55:52 +02:00
parent 5dff69431e
commit 40fc1e24fc
11 changed files with 171 additions and 23 deletions
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src/d3d/d3d.cpp
+97 -1
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@@ -443,7 +443,7 @@ rasterFromImage(Raster *raster, Image *image)
default:
return;
}
format |= 4;
format |= Raster::TEXTURE;
raster->type = format & 0x7;
raster->flags = format & 0xF8;
@@ -505,6 +505,102 @@ rasterFromImage(Raster *raster, Image *image)
raster->unlock(0);
}
Image*
rasterToImage(Raster *raster)
{
int32 depth;
Image *image;
D3dRaster *natras = PLUGINOFFSET(D3dRaster, raster, nativeRasterOffset);
if(natras->format)
assert(0 && "no custom formats yet");
switch(raster->format & 0xF00){
case Raster::C1555:
depth = 16;
break;
case Raster::C8888:
depth = 32;
break;
case Raster::C888:
depth = 24;
break;
case Raster::C555:
depth = 16;
break;
default:
case Raster::C565:
case Raster::C4444:
case Raster::LUM8:
assert(0 && "unsupported raster format");
}
int32 pallength = 0;
if((raster->format & Raster::PAL4) == Raster::PAL4){
depth = 4;
pallength = 16;
}else if((raster->format & Raster::PAL4) == Raster::PAL8){
depth = 8;
pallength = 256;
}
uint8 *in, *out;
image = Image::create(raster->width, raster->height, depth);
image->allocate();
if(pallength){
out = image->palette;
in = (uint8*)natras->palette;
for(int32 i = 0; i < pallength; i++){
out[0] = in[2];
out[1] = in[1];
out[2] = in[0];
out[3] = in[3];
in += 4;
out += 4;
}
}
out = image->pixels;
in = raster->lock(0);
if(pallength)
memcpy(out, in, raster->width*raster->height);
else
// TODO: stride
for(int32 y = 0; y < image->height; y++)
for(int32 x = 0; x < image->width; x++)
switch(raster->format & 0xF00){
case Raster::C8888:
out[0] = in[2];
out[1] = in[1];
out[2] = in[0];
out[3] = in[3];
in += 4;
out += 4;
break;
case Raster::C888:
out[0] = in[2];
out[1] = in[1];
out[2] = in[0];
in += 4;
out += 3;
break;
case Raster::C1555:
out[0] = in[0];
out[1] = in[1];
in += 2;
out += 2;
break;
case Raster::C555:
out[0] = in[0];
out[1] = in[1] | 0x80;
in += 2;
out += 2;
break;
}
raster->unlock(0);
return image;
}
int32
getLevelSize(Raster *raster, int32 level)
{