bool BaseSurfaceOSystem::finishLoad() {
BaseImage *image = new BaseImage();
if (!image->loadFile(_filename)) {
delete image;
return false;
}
_width = image->getSurface()->w;
_height = image->getSurface()->h;
bool isSaveGameGrayscale = _filename.matchString("savegame:*g", true);
if (isSaveGameGrayscale) {
warning("grayscaleConversion not yet implemented");
// FIBITMAP *newImg = FreeImage_ConvertToGreyscale(img); TODO
}
_surface->free();
delete _surface;
bool needsColorKey = false;
bool replaceAlpha = true;
if (image->getSurface()->format.bytesPerPixel == 1) {
if (!image->getPalette()) {
error("Missing palette while loading 8bit image %s", _filename.c_str());
}
_surface = image->getSurface()->convertTo(g_system->getScreenFormat(), image->getPalette());
needsColorKey = true;
} else {
if (image->getSurface()->format != g_system->getScreenFormat()) {
_surface = image->getSurface()->convertTo(g_system->getScreenFormat());
} else {
_surface = new Graphics::Surface();
_surface->copyFrom(*image->getSurface());
}
if (_filename.hasSuffix(".bmp") && image->getSurface()->format.bytesPerPixel == 4) {
// 32 bpp BMPs have nothing useful in their alpha-channel -> color-key
needsColorKey = true;
replaceAlpha = false;
} else if (image->getSurface()->format.aBits() == 0) {
needsColorKey = true;
}
}
if (needsColorKey) {
TransparentSurface trans(*_surface);
trans.applyColorKey(_ckRed, _ckGreen, _ckBlue, replaceAlpha);
}
_alphaType = hasTransparencyType(_surface);
_valid = true;
_gameRef->addMem(_width * _height * 4);
delete image;
_loaded = true;
return true;
}
bool BaseSurfaceOSystem::finishLoad() {
BaseImage *image = new BaseImage();
if (!image->loadFile(_filename)) {
delete image;
return false;
}
_width = image->getSurface()->w;
_height = image->getSurface()->h;
bool isSaveGameGrayscale = scumm_strnicmp(_filename.c_str(), "savegame:", 9) == 0 && (_filename.c_str()[_filename.size() - 1] == 'g' || _filename.c_str()[_filename.size() - 1] == 'G');
if (isSaveGameGrayscale) {
warning("grayscaleConversion not yet implemented");
// FIBITMAP *newImg = FreeImage_ConvertToGreyscale(img); TODO
}
// no alpha, set color key
/* if (surface->format.bytesPerPixel != 4)
SDL_SetColorKey(surf, SDL_TRUE, SDL_MapRGB(surf->format, ck_red, ck_green, ck_blue));*/
// convert 32-bit BMPs to 24-bit or they appear totally transparent (does any app actually write alpha in BMP properly?)
// Well, actually, we don't convert via 24-bit as the color-key application overwrites the Alpha-channel anyhow.
_surface->free();
delete _surface;
bool needsColorKey = false;
bool replaceAlpha = true;
if (_filename.hasSuffix(".bmp") && image->getSurface()->format.bytesPerPixel == 4) {
_surface = image->getSurface()->convertTo(g_system->getScreenFormat(), image->getPalette());
needsColorKey = true;
replaceAlpha = false;
} else if (image->getSurface()->format.bytesPerPixel == 1 && image->getPalette()) {
_surface = image->getSurface()->convertTo(g_system->getScreenFormat(), image->getPalette());
needsColorKey = true;
} else if (image->getSurface()->format.bytesPerPixel >= 3 && image->getSurface()->format != g_system->getScreenFormat()) {
_surface = image->getSurface()->convertTo(g_system->getScreenFormat());
if (image->getSurface()->format.bytesPerPixel == 3) {
needsColorKey = true;
}
} else {
_surface = new Graphics::Surface();
_surface->copyFrom(*image->getSurface());
if (_surface->format.aBits() == 0) {
needsColorKey = true;
}
}
if (needsColorKey) {
TransparentSurface trans(*_surface);
trans.applyColorKey(_ckRed, _ckGreen, _ckBlue, replaceAlpha);
}
_hasAlpha = hasTransparency(_surface);
_valid = true;
_gameRef->addMem(_width * _height * 4);
delete image;
_loaded = true;
return true;
}