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52f4686e4a
If loading fails, the factory method returns NULL, while previously the constructor would create a Surface object with a NULL "raw" field. However, since most of the methods dereference "raw" without checking, such a Surface would likely crash the application when used.
87 lines
3.4 KiB
C++
87 lines
3.4 KiB
C++
/***************************************************************************
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* Copyright (C) 2006 by Massimiliano Torromeo *
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* massimiliano.torromeo@gmail.com *
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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 2 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, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef SURFACE_H
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#define SURFACE_H
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#include <SDL.h>
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#include <string>
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#include "asfont.h"
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using std::string;
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struct RGBAColor {
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unsigned short r,g,b,a;
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};
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RGBAColor strtorgba(const string &strColor);
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/**
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Wrapper around SDL_Surface
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@author Massimiliano Torromeo <massimiliano.torromeo@gmail.com>
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*/
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class Surface {
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public:
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static Surface *openOutputSurface(int width, int height, int bitsperpixel);
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static Surface *loadImage(const string &img, const string &skin="");
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Surface(Surface *s);
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~Surface();
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SDL_Surface *raw;
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void flip();
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void clearClipRect();
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void setClipRect(int x, int y, int w, int h);
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void setClipRect(SDL_Rect rect);
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bool blit(Surface *destination, int x, int y, int w=0, int h=0, int a=-1);
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bool blit(Surface *destination, SDL_Rect container, ASFont::HAlign halign = ASFont::HAlignLeft, ASFont::VAlign valign = ASFont::VAlignTop);
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bool blitCenter(Surface *destination, int x, int y, int w=0, int h=0, int a=-1);
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bool blitRight(Surface *destination, int x, int y, int w=0, int h=0, int a=-1);
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void write(ASFont *font, const string &text, int x, int y, ASFont::HAlign halign = ASFont::HAlignLeft, ASFont::VAlign valign = ASFont::VAlignTop) {
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font->write(this, text, x, y, halign, valign);
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}
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int box(Sint16, Sint16, Sint16, Sint16, Uint8, Uint8, Uint8, Uint8);
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int box(Sint16, Sint16, Sint16, Sint16, Uint8, Uint8, Uint8);
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int box(Sint16, Sint16, Sint16, Sint16, RGBAColor);
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int box(SDL_Rect, RGBAColor);
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int rectangle(Sint16, Sint16, Sint16, Sint16, Uint8, Uint8, Uint8, Uint8);
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int rectangle(Sint16, Sint16, Sint16, Sint16, RGBAColor);
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int rectangle(SDL_Rect, RGBAColor);
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int hline(Sint16, Sint16, Sint16, Uint8, Uint8, Uint8, Uint8);
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private:
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Surface(SDL_Surface *raw, bool freeWhenDone);
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SDL_PixelFormat *format();
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bool blit(SDL_Surface *destination, int x, int y, int w=0, int h=0, int a=-1);
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bool blitCenter(SDL_Surface *destination, int x, int y, int w=0, int h=0, int a=-1);
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bool blitRight(SDL_Surface *destination, int x, int y, int w=0, int h=0, int a=-1);
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bool freeWhenDone;
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bool locked;
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int halfW, halfH;
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};
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#endif
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