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annotate src/video/SDL_drawrect.c @ 4495:dbbfdb9ea716

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Simplified clipboard API for sanity's sake. A complete clipboard implementation would support multiple formats that could be queried at runtime, events for when the clipboard contents changed, support for HTML, images, etc. We're not going that crazy, at least for now. :)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 07 Jul 2010 23:54:03 -0700
parents f7b03b6838cb
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_video.h"
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25
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26
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27 int
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28 SDL_DrawRect(SDL_Surface * dst, const SDL_Rect * rect, Uint32 color)
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29 {
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30 SDL_Rect full_rect;
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31 SDL_Point points[5];
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32
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33 if (!dst) {
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34 SDL_SetError("Passed NULL destination surface");
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35 return -1;
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36 }
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37
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38 /* If 'rect' == NULL, then outline the whole surface */
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39 if (!rect) {
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40 full_rect.x = 0;
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41 full_rect.y = 0;
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42 full_rect.w = dst->w;
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43 full_rect.h = dst->h;
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44 rect = &full_rect;
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45 }
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46
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47 points[0].x = rect->x;
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48 points[0].y = rect->y;
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49 points[1].x = rect->x+rect->w-1;
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50 points[1].y = rect->y;
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51 points[2].x = rect->x+rect->w-1;
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52 points[2].y = rect->y+rect->h-1;
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53 points[3].x = rect->x;
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54 points[3].y = rect->y+rect->h-1;
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55 points[4].x = rect->x;
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56 points[4].y = rect->y;
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57 return SDL_DrawLines(dst, points, 5, color);
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58 }
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59
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60 int
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61 SDL_DrawRects(SDL_Surface * dst, const SDL_Rect ** rects, int count,
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62 Uint32 color)
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63 {
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64 int i;
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65
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66 for (i = 0; i < count; ++i) {
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67 if (SDL_DrawRect(dst, rects[i], color) < 0) {
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68 return -1;
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69 }
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70 }
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71 return 0;
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72 }
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73
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74 /* vi: set ts=4 sw=4 expandtab: */