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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/>.
*
*/
#ifndef NANCY_GRAPHICS_H
#define NANCY_GRAPHICS_H
#include "common/path.h"
#include "graphics/screen.h"
#include "engines/nancy/font.h"
namespace Nancy {
class NancyEngine;
class RenderObject;
// Graphics class that handles multilayered surface rendering with minimal redraw
class GraphicsManager {
friend class NancyEngine;
public:
GraphicsManager();
void init();
void draw(bool updateScreen = true);
void loadFonts(Common::SeekableReadStream *chunkStream);
void addObject(RenderObject *object);
void removeObject(RenderObject *object);
void clearObjects();
void redrawAll();
void suppressNextDraw();
const Font *getFont(uint id) const { return id < _fonts.size() ? &_fonts[id] : nullptr; }
const Graphics::Screen *getScreen() { return &_screen; }
const Graphics::PixelFormat &getInputPixelFormat();
const Graphics::PixelFormat &getScreenPixelFormat();
const Graphics::PixelFormat &getTransparentPixelFormat();
uint32 getTransColor() { return _transColor; }
Graphics::ManagedSurface &getAutotextSurface(uint16 id) { return _autotextSurfaces.getOrCreateVal(id); }
Common::Rect &getAutotextSurfaceBounds(uint16 id) { return _autotextSurfaceBounds.getOrCreateVal(id); }
void grabViewportObjects(Common::Array<RenderObject *> &inArray);
void screenshotScreen(Graphics::ManagedSurface &inSurf);
static void loadSurfacePalette(Graphics::ManagedSurface &inSurf, const Common::Path &paletteFilename, uint paletteStart = 0, uint paletteSize = 256);
static void copyToManaged(const Graphics::Surface &src, Graphics::ManagedSurface &dst, bool verticalFlip = false, bool doubleSize = false);
static void copyToManaged(void *src, Graphics::ManagedSurface &dst, uint srcW, uint srcH, const Graphics::PixelFormat &format, bool verticalFlip = false, bool doubleSize = false);
static void rotateBlit(const Graphics::ManagedSurface &src, Graphics::ManagedSurface &dest, byte rotation);
static void crossDissolve(const Graphics::ManagedSurface &from, const Graphics::ManagedSurface &to, byte alpha, const Common::Rect rect, Graphics::ManagedSurface &inResult);
// Debug
void debugDrawToScreen(const Graphics::ManagedSurface &surf);
Graphics::ManagedSurface _object0;
private:
void blitToScreen(const RenderObject &src, Common::Rect dest);
static int objectComparator(const void *a, const void *b);
Common::SortedArray<RenderObject *> _objects;
Graphics::PixelFormat _inputPixelFormat;
Graphics::PixelFormat _screenPixelFormat;
Graphics::PixelFormat _clut8Format;
Graphics::PixelFormat _transparentPixelFormat;
Graphics::Screen _screen;
Common::Array<Font> _fonts;
Common::List<Common::Rect> _dirtyRects;
Common::HashMap<uint16, Graphics::ManagedSurface> _autotextSurfaces;
Common::HashMap<uint16, Common::Rect> _autotextSurfaceBounds;
uint32 _transColor = 0;
bool _isSuppressed;
};
} // End of namespace Nancy
#endif // NANCY_GRAPHICS_H
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