scummvm/engines/hadesch/gfx_context.h
Vladimir Serbinenko 058592794f HADESCH: Add new engine for Hades' Challenge
The game is completable but 3 arcade sequences at the end of Minotaur, Medusa and Troy quests.
Probably full of bugs but I already publish it for consideration
2020-10-24 19:51:30 +02:00

72 lines
2.4 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2020 Google
*
*/
#ifndef HADESCH_GFX_CONTEXT_H
#define HADESCH_GFX_CONTEXT_H
#include "common/ptr.h"
#include "common/rect.h"
namespace Hadesch {
class GfxContext {
public:
virtual void blitVideo(byte *sourcePixels, int sourcePitch, int sourceW, int sourceH,
byte *palette, Common::Point offset) = 0;
// Use only in pod_image.cpp because of palette format
virtual void blitPodImage(byte *sourcePixels, int sourcePitch, int sourceW, int sourceH,
byte *palette, size_t ncolours, Common::Point offset) = 0;
virtual void clear() = 0;
virtual void fade(int val) = 0;
virtual void renderToScreen(Common::Point viewPoint) = 0;
virtual ~GfxContext() {}
};
class GfxContext8Bit : public GfxContext {
public:
void blitVideo(byte *sourcePixels, int sourcePitch, int sourceW, int sourceH,
byte *palette, Common::Point offset) override;
void blitPodImage(byte *sourcePixels, int sourcePitch, int sourceW, int sourceH,
byte *palette, size_t ncolours, Common::Point offset) override;
void clear() override;
void fade(int val) override;
void renderToScreen(Common::Point viewPoint) override;
GfxContext8Bit(int canvasW, int canvasH);
~GfxContext8Bit() {}
private:
Common::SharedPtr<byte> _pixels;
byte _palette[256 * 4];
bool _paletteUsed[256];
int _pitch;
int _w;
int _h;
};
void blendVideo8To8(byte *targetPixels, int targetPitch, int targetW, int targetH,
byte *sourcePixels, int sourceW, int sourceH, Common::Point offset);
}
#endif