scummvm/engines/director/images.h
Scott Percival bf3947c19a DIRECTOR: Fix loading of 1-bit images with DIBDecoder
Fixes loading the contract text bitmap in Hell Cab.
2024-04-25 00:54:17 +02:00

90 lines
2.6 KiB
C++

/* 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/>.
*
*/
#ifndef DIRECTOR_IMAGES_H
#define DIRECTOR_IMAGES_H
#include "image/image_decoder.h"
namespace Common {
class SeekableReadStream;
struct Rect;
}
namespace Graphics {
struct Surface;
}
namespace Image {
class Codec;
}
namespace Director {
class DIBDecoder : public Image::ImageDecoder {
public:
DIBDecoder();
~DIBDecoder() override;
// ImageDecoder API
void destroy() override;
bool loadStream(Common::SeekableReadStream &stream) override;
const Graphics::Surface *getSurface() const override { return _surface; }
const byte *getPalette() const override { return _palette; }
void loadPalette(Common::SeekableReadStream &stream);
uint16 getPaletteColorCount() const override { return _paletteColorCount; }
private:
Image::Codec *_codec;
const Graphics::Surface *_surface;
byte *_palette;
uint32 _paletteColorCount;
uint16 _bitsPerPixel;
};
class BITDDecoder : public Image::ImageDecoder {
public:
BITDDecoder(int w, int h, uint16 bitsPerPixel, uint16 pitch, const byte *palette, uint16 version);
~BITDDecoder() override;
// ImageDecoder API
void destroy() override;
bool loadStream(Common::SeekableReadStream &stream) override;
const Graphics::Surface *getSurface() const override { return _surface; }
const byte *getPalette() const override { return _palette; }
void loadPalette(Common::SeekableReadStream &stream);
uint16 getPaletteColorCount() const override { return _paletteColorCount; }
private:
Graphics::Surface *_surface;
const byte *_palette;
uint8 _paletteColorCount;
uint16 _bitsPerPixel;
uint16 _version;
uint16 _pitch;
};
void copyStretchImg(Graphics::Surface *srcSurface, Graphics::Surface *targetSurface, const Common::Rect &srcRect, const Common::Rect &targetRect, const byte *pal = 0);
} // End of namespace Director
#endif