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72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2020 Google
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*
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*/
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#ifndef HADESCH_GFX_CONTEXT_H
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#define HADESCH_GFX_CONTEXT_H
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#include "common/ptr.h"
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#include "common/rect.h"
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#include "graphics/managed_surface.h"
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namespace Hadesch {
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class GfxContext {
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public:
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virtual void blitVideo(byte *sourcePixels, int sourcePitch, int sourceW, int sourceH,
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byte *palette, Common::Point offset) = 0;
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// Use only in pod_image.cpp because of palette format
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virtual void blitPodImage(byte *sourcePixels, int sourcePitch, int sourceW, int sourceH,
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byte *palette, size_t ncolours, Common::Point offset) = 0;
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virtual void clear() = 0;
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virtual void renderSubtitle(const Common::U32String &, Common::Point viewPoint) = 0;
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virtual void fade(int val) = 0;
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virtual void renderToScreen(Common::Point viewPoint) = 0;
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virtual ~GfxContext() {}
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};
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class GfxContext8Bit : public GfxContext, Common::NonCopyable {
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public:
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void blitVideo(byte *sourcePixels, int sourcePitch, int sourceW, int sourceH,
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byte *palette, Common::Point offset) override;
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void blitPodImage(byte *sourcePixels, int sourcePitch, int sourceW, int sourceH,
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byte *palette, size_t ncolours, Common::Point offset) override;
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void clear() override;
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void fade(int val) override;
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void renderToScreen(Common::Point viewPoint) override;
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void renderSubtitle(const Common::U32String &, Common::Point viewPoint) override;
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byte findColor(byte r, byte g, byte b);
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GfxContext8Bit(int canvasW, int canvasH);
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~GfxContext8Bit() {}
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private:
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Graphics::ManagedSurface surf;
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byte _palette[256 * 4];
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bool _paletteUsed[256];
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};
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void blendVideo8To8(byte *targetPixels, int targetPitch, int targetW, int targetH,
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byte *sourcePixels, int sourceW, int sourceH, Common::Point offset);
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}
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#endif
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