102 lines
2.1 KiB
C++
102 lines
2.1 KiB
C++
/*
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Copyright (C) 2003 Parallel Realities
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Copyright (C) 2011, 2012, 2013 Guus Sliepen
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Copyright (C) 2015 Julian Marchant
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 3
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of the License, or (at your option) any later version.
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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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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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#include <stdlib.h>
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#include "SDL.h"
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#include "gfx.h"
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#include "init.h"
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#include "structs.h"
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SDL_Surface *screen;
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void screen_blit(SDL_Surface *image, int x, int y)
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{
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gfx_blit(image, x, y, screen);
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}
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void screen_blitText(int i)
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{
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screen_blit(gfx_text[i].image, (int)gfx_text[i].x, (int)gfx_text[i].y);
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}
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void screen_addBuffer(int x, int y, int w, int h)
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{
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bRect *rect = new bRect;
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rect->next = NULL;
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rect->x = x;
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rect->y = y;
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rect->w = w;
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rect->h = h;
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screen_bufferTail->next = rect;
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screen_bufferTail = rect;
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}
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void screen_flushBuffer()
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{
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bRect *prevRect = screen_bufferHead;
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bRect *rect = screen_bufferHead;
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screen_bufferTail = screen_bufferHead;
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while (rect->next != NULL)
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{
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rect = rect->next;
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prevRect->next = rect->next;
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delete rect;
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rect = prevRect;
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}
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screen_bufferHead->next = NULL;
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}
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void screen_unBuffer()
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{
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bRect *prevRect = screen_bufferHead;
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bRect *rect = screen_bufferHead;
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screen_bufferTail = screen_bufferHead;
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while (rect->next != NULL)
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{
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rect = rect->next;
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SDL_Rect blitRect;
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blitRect.x = rect->x;
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blitRect.y = rect->y;
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blitRect.w = rect->w;
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blitRect.h = rect->h;
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if (SDL_BlitSurface(background, &blitRect, screen, &blitRect) < 0)
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{
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printf("BlitSurface error: %s\n", SDL_GetError());
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showErrorAndExit(2, "");
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}
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prevRect->next = rect->next;
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delete rect;
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rect = prevRect;
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}
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screen_bufferHead->next = NULL;
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}
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