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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 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.
*
*/
#ifndef SHERLOCK_GRAPHICS_H
#define SHERLOCK_GRAPHICS_H
#include "common/rect.h"
#include "graphics/surface.h"
namespace Sherlock {
#define SCALE_THRESHOLD 0x100
struct ImageFrame;
class Surface {
private:
bool _freePixels;
/**
* Clips the given source bounds so the passed destBounds will be entirely on-screen
*/
bool clip(Common::Rect &srcBounds, Common::Rect &destBounds);
/**
* Copy a surface into this one
*/
void blitFrom(const Graphics::Surface &src);
/**
* Draws a surface at a given position within this surface
*/
void blitFrom(const Graphics::Surface &src, const Common::Point &pt);
/**
* Draws a sub-section of a surface at a given position within this surface
*/
void blitFrom(const Graphics::Surface &src, const Common::Point &pt, const Common::Rect &srcBounds);
/**
* Draws a surface at a given position within this surface with transparency
*/
void transBlitFromUnscaled(const Graphics::Surface &src, const Common::Point &pt, bool flipped,
int overrideColor);
protected:
Graphics::Surface _surface;
virtual void addDirtyRect(const Common::Rect &r) {}
public:
Surface(uint16 width, uint16 height);
Surface();
virtual ~Surface();
/**
* Sets up an internal surface with the specified dimensions that will be automatically freed
* when the surface object is destroyed
*/
void create(uint16 width, uint16 height);
/**
* Copy a surface into this one
*/
void blitFrom(const Surface &src);
/**
* Copy an image frame into this surface
*/
void blitFrom(const ImageFrame &src);
/**
* Draws a surface at a given position within this surface
*/
void blitFrom(const Surface &src, const Common::Point &pt);
/**
* Copy an image frame onto this surface at a given position
*/
void blitFrom(const ImageFrame &src, const Common::Point &pt);
/**
* Draws a sub-section of a surface at a given position within this surface
*/
void blitFrom(const Surface &src, const Common::Point &pt, const Common::Rect &srcBounds);
/**
* Copy a sub-area of a source image frame into this surface at a given position
*/
void blitFrom(const ImageFrame &src, const Common::Point &pt, const Common::Rect &srcBounds);
/**
* Draws an image frame at a given position within this surface with transparency
*/
void transBlitFrom(const ImageFrame &src, const Common::Point &pt,
bool flipped = false, int overrideColor = 0, int scaleVal = 256);
/**
* Draws a surface at a given position within this surface with transparency
*/
void transBlitFrom(const Surface &src, const Common::Point &pt,
bool flipped = false, int overrideColor = 0, int scaleVal = 256);
/**
* Draws a surface at a given position within this surface with transparency
*/
void transBlitFrom(const Graphics::Surface &src, const Common::Point &pt,
bool flipped = false, int overrideColor = 0, int scaleVal = 256);
/**
* Fill a given area of the surface with a given color
*/
void fillRect(int x1, int y1, int x2, int y2, byte color);
/**
* Fill a given area of the surface with a given color
*/
void fillRect(const Common::Rect &r, byte color);
void maskArea(const ImageFrame &src, const Common::Point &pt, int scrollX);
/**
* Clear the screen
*/
void clear();
/**
* Free the underlying surface
*/
void free();
/**
* Set the pixels for the surface to an existing data block
*/
void setPixels(byte *pixels, int width, int height);
inline uint16 w() const { return _surface.w; }
inline uint16 h() const { return _surface.h; }
inline const byte *getPixels() const { return (const byte *)_surface.getPixels(); }
inline byte *getPixels() { return (byte *)_surface.getPixels(); }
inline byte *getBasePtr(int x, int y) { return (byte *)_surface.getBasePtr(x, y); }
inline const byte *getBasePtr(int x, int y) const { return (const byte *)_surface.getBasePtr(x, y); }
inline void hLine(int x, int y, int x2, uint32 color) { _surface.hLine(x, y, x2, color); }
inline void vLine(int x, int y, int y2, uint32 color) { _surface.vLine(x, y, y2, color); }
};
} // End of namespace Sherlock
#endif
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