int main(int argc, char* argv[])
{
bool hasPattern = false;
bool hasRoot = false;
bool hasOutput = false;
bool addSpace = true;
std::string rootFolder;
std::string outFile;
std::string pattern = "texture_%d.png";
int outputSize = 1024;
for (int i = 1; i < argc; ++i)
{
if ((strcmp(argv[i], "-root") == 0) && (i + 1 < argc))
{
rootFolder = addTrailingSlash(std::string(argv[i+1]));
if (folderExists(rootFolder))
{
hasRoot = true;
++i;
}
else
{
std::cout << "ERROR: root folder not found" << std::endl;
return 0;
}
}
else if ((strcmp(argv[i], "-out") == 0) && (i + 1 < argc))
{
outFile = std::string(argv[i+1]);
hasOutput = true;
++i;
}
else if ((strcmp(argv[i], "-pattern") == 0) && (i + 1 < argc))
{
pattern = std::string(argv[i+1]);
hasPattern = true;
++i;
}
else if (strcmp(argv[i], "-nospace") == 0)
{
addSpace = false;
}
else if ((strcmp(argv[i], "-size") == 0) && (i + 1 < argc))
{
outputSize = strToInt(std::string(argv[i+1]));
++i;
}
}
if (!hasRoot || !hasOutput)
{
printHelp();
return 0;
}
StringList fileList;
TextureDescription::List textureDescriptors;
findFiles(rootFolder, "*.png", true, fileList);
for (auto i : fileList)
{
TextureDescription::Pointer desc(new TextureDescription);
PNGLoader::loadInfoFromFile(i, desc.reference());
if ((desc->size.x > outputSize) || (desc->size.y > outputSize))
{
std::cout << "ERROR: image " << i << " is larger (" << desc->size << ") than output size (" <<
outputSize << ";" << outputSize << "), please use -size option" << std::endl;
return 0;
}
textureDescriptors.push_back(desc);
}
std::sort(textureDescriptors.begin(), textureDescriptors.end(), sortFunc);
TextureAtlasWriter placer(addSpace);
while (textureDescriptors.size())
{
TextureAtlasWriter::TextureAtlasItem& texture = placer.addItem(vec2i(outputSize));
TextureDescription::List::iterator i = textureDescriptors.begin();
int placedItems = 0;
while (i != textureDescriptors.end())
{
if (placer.placeImage(*i, texture))
{
++placedItems;
i = textureDescriptors.erase(i);
}
else
{
++i;
}
}
texture.texture->size.x = roundToHighestPowerOfTow(texture.maxWidth);
texture.texture->size.y = roundToHighestPowerOfTow(texture.maxHeight);
}
for (TextureAtlasWriter::TextureAtlasItemList::const_iterator i = placer.items().begin(), e = placer.items().end(); i != e; ++i)
{
std::cout << "Texture: " << i->texture->size.x << "x" << i->texture->size.y << ":" << std::endl;
for (TextureAtlasWriter::ImageItemList::const_iterator ii = i->images.begin(), ie = i->images.end(); ii != ie; ++ii)
std::cout << "\t" << ii->place.origin << "\t|\t" << ii->place.size << "\t|\t" << ii->image->source << std::endl;
}
placer.writeToFile(outFile, pattern.c_str());
return 0;
}
int main(int argc, char* argv[])
{
log::addOutput(log::ConsoleOutput::Pointer::create());
bool hasPattern = false;
bool hasRoot = false;
bool hasOutput = false;
bool addSpace = true;
std::string rootFolder;
std::string outFile;
std::string pattern = "texture_%d.png";
int outputSize = 1024;
for (int i = 1; i < argc; ++i)
{
if ((strcmp(argv[i], "-root") == 0) && (i + 1 < argc))
{
rootFolder = addTrailingSlash(std::string(argv[i+1]));
if (folderExists(rootFolder))
{
hasRoot = true;
++i;
}
else
{
log::error("Root folder not found: %s", rootFolder.c_str());
return 0;
}
}
else if ((strcmp(argv[i], "-out") == 0) && (i + 1 < argc))
{
outFile = std::string(argv[i+1]);
hasOutput = true;
++i;
}
else if ((strcmp(argv[i], "-pattern") == 0) && (i + 1 < argc))
{
pattern = std::string(argv[i+1]);
hasPattern = true;
++i;
}
else if (strcmp(argv[i], "-nospace") == 0)
{
addSpace = false;
}
else if ((strcmp(argv[i], "-size") == 0) && (i + 1 < argc))
{
outputSize = strToInt(std::string(argv[i+1]));
++i;
}
}
if (!hasRoot || !hasOutput)
{
printHelp();
return 0;
}
StringList fileList;
TextureDescription::List textureDescriptors;
findFiles(rootFolder, "*.png", true, fileList);
for (auto i : fileList)
{
TextureDescription::Pointer desc = TextureDescription::Pointer::create();
png::loadInfoFromFile(i, desc.reference());
if ((desc->size.x > outputSize) || (desc->size.y > outputSize))
{
log::error("Image %s is larger (%d x %d) than ouput size (%d x %d), use -size option",
i.c_str(), desc->size.x, desc->size.y, outputSize, outputSize);
return 0;
}
textureDescriptors.push_back(desc);
}
std::sort(textureDescriptors.begin(), textureDescriptors.end(), [](const TextureDescription::Pointer& d1,
const TextureDescription::Pointer& d2) { return d1->size.square() > d2->size.square(); });
TextureAtlasWriter placer(addSpace);
while (textureDescriptors.size())
{
TextureAtlasWriter::TextureAtlasItem& texture = placer.addItem(vec2i(outputSize));
TextureDescription::List::iterator i = textureDescriptors.begin();
int placedItems = 0;
while (i != textureDescriptors.end())
{
if (placer.placeImage(*i, texture))
{
++placedItems;
i = textureDescriptors.erase(i);
}
else
{
++i;
}
}
texture.texture->size.x = static_cast<int>(roundToHighestPowerOfTwo(texture.maxWidth));
texture.texture->size.y = static_cast<int>(roundToHighestPowerOfTwo(texture.maxHeight));
}
for (const auto i : placer.items())
{
log::info("Texture: %d x %d", i.texture->size.x, i.texture->size.y);
for (const auto& ii : i.images)
{
log::info("(% 5d, % 5d) | (% 5d % 5d) | %s", static_cast<int>(ii.place.origin.x),
static_cast<int>(ii.place.origin.y), static_cast<int>(ii.place.size.x),
static_cast<int>(ii.place.size.y), getFileName(ii.image->origin()).c_str());
}
}
placer.writeToFile(outFile, pattern.c_str());
return 0;
}