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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/formats/formatinfo.h"
#include "common/translation.h"
#include "common/util.h"
#include "image/bmp.h"
#include "image/png.h"
namespace Common {
namespace FormatInfo {
struct FormatTypeInfo {
const char *_shortExtension; ///< Extension limited to 3 characters
const char *_longExtension; ///< Extension with no length limit
};
const FormatTypeInfo g_formatTypeInfo[kCount] = {
{nullptr, nullptr},
// Image formats
{"bmp", nullptr},
{"png", nullptr},
{"jpg", nullptr},
{"pct", "pict"},
// Binary formats
{"application/octet-stream", nullptr},
};
ImageFormatCharacteristics::ImageFormatCharacteristics()
: _lossiness(kLossinessUnknown), _supportAlpha(false), _supportPalette(false), _maxBitDepth(0) {
}
ImageSaveProperties::ImageSaveProperties() : _qualityLevel(75) {
}
bool getImageFormatCharacteristics(FormatID format, ImageFormatCharacteristics &outCharacteristics) {
outCharacteristics = ImageFormatCharacteristics();
switch (format) {
case kPICT:
outCharacteristics._supportPalette = true;
outCharacteristics._maxBitDepth = 24;
outCharacteristics._lossiness = kLossinessEither;
break;
case kBMP:
outCharacteristics._supportPalette = true;
outCharacteristics._maxBitDepth = 24;
outCharacteristics._lossiness = kLossinessLossless;
break;
case kPNG:
outCharacteristics._supportPalette = true;
outCharacteristics._supportAlpha = true;
outCharacteristics._maxBitDepth = 32;
outCharacteristics._lossiness = kLossinessLossless;
break;
case kJPEG:
outCharacteristics._maxBitDepth = 24;
outCharacteristics._lossiness = kLossinessLossy;
break;
default:
return false;
}
return true;
}
const char *getFormatExtension(Common::FormatInfo::FormatID format, bool limitTo3Characters) {
const FormatTypeInfo &typeInfo = g_formatTypeInfo[format];
if (!limitTo3Characters && typeInfo._longExtension != nullptr)
return typeInfo._longExtension;
return typeInfo._shortExtension;
}
Common::U32String getFormatSaveDescription(Common::FormatInfo::FormatID format) {
switch (format) {
case kBMP:
return _("Bitmap Image File");
case kPNG:
return _("PNG Image File");
case kJPEG:
return _("JPEG Image File");
case kPICT:
return _("QuickDraw PICT Image File");
case kUntypedBinary:
default:
return _("Data File");
}
}
#ifdef USE_PNG
static bool savePNG(Common::WriteStream &stream, const Graphics::Surface &surf, const byte *palette, const ImageSaveProperties &props) {
return Image::writePNG(stream, surf, palette);
}
#endif
static bool saveBMP(Common::WriteStream &stream, const Graphics::Surface &surf, const byte *palette, const ImageSaveProperties &props) {
return Image::writeBMP(stream, surf, palette);
}
ImageSaveCallback_t getImageSaveFunction(FormatID format) {
switch (format) {
#ifdef USE_PNG
case kPNG:
return savePNG;
#endif
case kBMP:
return saveBMP;
default:
return nullptr;
}
}
FormatSupportLevel getFormatSupportLevel(Common::FormatInfo::FormatID format) {
switch (format) {
case kPICT:
return kFormatSupportLevelAvoid;
case kPNG:
case kJPEG:
return kFormatSupportLevelPreferred;
default:
return kFormatSupportLevelDefault;
}
}
} // End of namespace FormatInfo
} // End of namespace Common
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