SDL_Surface * BitmapHandler::loadBitmapFromDir(std::string path, std::string fname, bool setKey)
{
if(!fname.size())
{
logGlobal->warnStream() << "Call to loadBitmap with void fname!";
return NULL;
}
if (!CResourceHandler::get()->existsResource(ResourceID(path + fname, EResType::IMAGE)))
{
return nullptr;
}
SDL_Surface * ret=NULL;
auto readFile = CResourceHandler::get()->loadData(
ResourceID(path + fname, EResType::IMAGE));
if (isPCX(readFile.first.get()))
{ //H3-style PCX
ret = loadH3PCX(readFile.first.get(), readFile.second);
if (ret)
{
if(ret->format->BytesPerPixel == 1 && setKey)
{
const SDL_Color &c = ret->format->palette->colors[0];
SDL_SetColorKey(ret,SDL_SRCCOLORKEY,SDL_MapRGB(ret->format, c.r, c.g, c.b));
}
}
else
logGlobal->errorStream()<<"Failed to open "<<fname<<" as H3 PCX!";
}
else
{ //loading via SDL_Image
CFileInfo info(CResourceHandler::get()->getResourceName(ResourceID(path + fname, EResType::IMAGE)));
ret = IMG_LoadTyped_RW(
//create SDL_RW with our data (will be deleted by SDL)
SDL_RWFromConstMem((void*)readFile.first.get(), readFile.second),
1, // mark it for auto-deleting
&info.getExtension()[0] + 1); //pass extension without dot (+1 character)
if (ret)
{
if (ret->format->palette)
{
//set correct value for alpha\unused channel
for (int i=0; i< ret->format->palette->ncolors; i++)
ret->format->palette->colors[i].unused = 255;
}
}
else
{
logGlobal->errorStream()<<"Failed to open "<<fname<<" via SDL_Image";
}
}
SDL_SetColorKey(ret, SDL_SRCCOLORKEY, SDL_MapRGB(ret->format, 0, 255, 255));
return ret;
}
SDL_Surface * BitmapHandler::loadBitmapFromDir(std::string path, std::string fname, bool setKey)
{
if(!fname.size())
{
logGlobal->warnStream() << "Call to loadBitmap with void fname!";
return nullptr;
}
if (!CResourceHandler::get()->existsResource(ResourceID(path + fname, EResType::IMAGE)))
{
return nullptr;
}
SDL_Surface * ret=nullptr;
auto readFile = CResourceHandler::get()->load(ResourceID(path + fname, EResType::IMAGE))->readAll();
if (isPCX(readFile.first.get()))
{ //H3-style PCX
ret = loadH3PCX(readFile.first.get(), readFile.second);
if (ret)
{
if(ret->format->BytesPerPixel == 1 && setKey)
{
const SDL_Color &c = ret->format->palette->colors[0];
SDL_SetColorKey(ret,SDL_SRCCOLORKEY,SDL_MapRGB(ret->format, c.r, c.g, c.b));
}
}
else
logGlobal->errorStream()<<"Failed to open "<<fname<<" as H3 PCX!";
}
else
{ //loading via SDL_Image
ret = IMG_Load_RW(
//create SDL_RW with our data (will be deleted by SDL)
SDL_RWFromConstMem((void*)readFile.first.get(), readFile.second),
1); // mark it for auto-deleting
if (ret)
{
if (ret->format->palette)
{
//set correct value for alpha\unused channel
for (int i=0; i< ret->format->palette->ncolors; i++)
ret->format->palette->colors[i].unused = 255;
}
}
else
{
logGlobal->errorStream()<<"Failed to open "<<fname<<" via SDL_Image";
logGlobal->errorStream()<<"Reason: " << IMG_GetError();
}
}
// When modifyin anything here please check two use cases:
// 1) Vampire mansion in Necropolis (not 1st color is transparent)
// 2) Battle background when fighting on grass/dirt, topmost sky part (NO transparent color)
// 3) New objects that may use 24-bit images for icons (e.g. witchking arts)
auto colorID = SDL_MapRGB(ret->format, 0, 255, 255);
if (ret->format->palette)
{
auto & color = ret->format->palette->colors[colorID];
// set color key only if exactly such color was found
if (color.r == 0 && color.g == 255 && color.b == 255)
SDL_SetColorKey(ret, SDL_SRCCOLORKEY, colorID);
}
else // always set
{
SDL_SetColorKey(ret, SDL_SRCCOLORKEY, colorID);
}
return ret;
}
