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// Copyright NVIDIA Corporation 2007 -- Ignacio Castano <icastano@nvidia.com>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#include <nvcore/StrLib.h>
#include <nvcore/StdStream.h>
#include <nvmath/Color.h>
#include <nvimage/Image.h>
#include <nvimage/ImageIO.h>
#include <nvimage/DirectDrawSurface.h>
#include "cmdline.h"
// @@ Add decent error messages.
// @@ Add option to resize images.
// @@ Add support for reading DDS files with 2D images and possibly mipmaps.
int main(int argc, char *argv[])
{
MyAssertHandler assertHandler;
MyMessageHandler messageHandler;
bool assembleCubeMap = true;
bool assembleVolume = false;
bool assembleTextureArray = false;
nv::Array<nv::Path> files;
nv::Path output = "output.dds";
// Parse arguments.
for (int i = 1; i < argc; i++)
{
// Input options.
if (strcmp("-cube", argv[i]) == 0)
{
assembleCubeMap = true;
assembleVolume = false;
assembleTextureArray = false;
}
/*if (strcmp("-volume", argv[i]) == 0)
{
assembleCubeMap = false;
assembleVolume = true;
assembleTextureArray = false;
}
if (strcmp("-array", argv[i]) == 0)
{
assembleCubeMap = false;
assembleVolume = false;
assembleTextureArray = true;
}*/
else if (strcmp("-o", argv[i]) == 0)
{
i++;
if (i < argc && argv[i][0] != '-')
{
output = argv[i];
}
}
else if (argv[i][0] != '-')
{
files.append(argv[i]);
}
}
if (files.count() == 0)
{
printf("NVIDIA Texture Tools - Copyright NVIDIA Corporation 2007\n\n");
printf("usage: nvassemble [-cube|-volume|-array] 'file0' 'file1' ...\n\n");
return 1;
}
if (nv::strCaseCmp(output.extension(), ".dds") != 0)
{
//output.stripExtension();
output.append(".dds");
}
if (assembleCubeMap && files.count() != 6)
{
printf("*** error, 6 files expected, but got %d\n", files.count());
return 1;
}
// Load all files.
nv::Array<nv::Image> images;
uint w = 0, h = 0;
bool hasAlpha = false;
const uint imageCount = files.count();
images.resize(imageCount);
for (uint i = 0; i < imageCount; i++)
{
if (!images[i].load(files[i]))
{
printf("*** error loading file\n");
return 1;
}
if (i == 0)
{
w = images[i].width();
h = images[i].height();
}
else if (images[i].width() != w || images[i].height() != h)
{
printf("*** error, size of image '%s' does not match\n", files[i].str());
return 1;
}
if (images[i].format() == nv::Image::Format_ARGB)
{
hasAlpha = true;
}
}
nv::StdOutputStream stream(output);
if (stream.isError()) {
printf("Error opening '%s' for writing\n", output.str());
return 1;
}
// Output DDS header.
nv::DDSHeader header;
header.setWidth(w);
header.setHeight(h);
if (assembleCubeMap)
{
header.setTextureCube();
}
else if (assembleVolume)
{
header.setTexture3D();
header.setDepth(imageCount);
}
else if (assembleTextureArray)
{
//header.setTextureArray(imageCount);
}
// @@ It always outputs 32 bpp.
header.setPitch(4 * w);
header.setPixelFormat(32, 0xFF0000, 0xFF00, 0xFF, hasAlpha ? 0xFF000000 : 0);
stream << header;
// Output images.
for (uint i = 0; i < imageCount; i++)
{
const uint pixelCount = w * h;
for (uint p = 0; p < pixelCount; p++)
{
nv::Color32 c = images[i].pixel(p);
uint8 r = c.r;
uint8 g = c.g;
uint8 b = c.b;
uint8 a = c.a;
stream << b << g << r << a;
}
}
return 0;
}
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