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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5131 | clevermous | 1 | /*! |
| 2 | \file Draw_Rect.c |
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| 3 | \author Mario Palomo |
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| 4 | \author Jose M. de la Huerga Fernández |
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| 5 | \author Pepe González Mora |
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| 6 | \date 05-2002 |
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| 7 | |||
| 8 | This library is free software; you can redistribute it and/or |
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| 9 | modify it under the terms of the GNU Library General Public |
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| 10 | License as published by the Free Software Foundation; either |
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| 11 | version 2 of the License, or (at your option) any later version. |
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| 12 | |||
| 13 | This library is distributed in the hope that it will be useful, |
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | Library General Public License for more details. |
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| 17 | |||
| 18 | You should have received a copy of the GNU Library General Public |
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| 19 | License along with this library; if not, write to the Free Foundation, |
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| 20 | Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 21 | */ |
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| 22 | |||
| 23 | #if SDL_DRAW_BPP == 1 |
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| 24 | #define SDL_DRAW_PUTPIXEL \ |
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| 25 | memset(p0, color, w); \ |
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| 26 | memset(p1, color, w); \ |
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| 27 | \ |
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| 28 | if (h<3) return; \ |
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| 29 | p0 = (Uint8*)super->pixels + (y+1)*super->pitch + x; \ |
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| 30 | p1 = (Uint8*)super->pixels + (y+1)*super->pitch + (x+w-1); \ |
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| 31 | i = h-2; \ |
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| 32 | switch( i % 4 ) { \ |
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| 33 | do{ \ |
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| 34 | case 0: \ |
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| 35 | *p0 = color; p0+=super->pitch; \ |
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| 36 | *p1 = color; p1+=super->pitch; \ |
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| 37 | case 3: \ |
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| 38 | *p0 = color; p0+=super->pitch; \ |
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| 39 | *p1 = color; p1+=super->pitch; \ |
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| 40 | case 2: \ |
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| 41 | *p0 = color; p0+=super->pitch; \ |
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| 42 | *p1 = color; p1+=super->pitch; \ |
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| 43 | case 1: \ |
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| 44 | *p0 = color; p0+=super->pitch; \ |
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| 45 | *p1 = color; p1+=super->pitch; \ |
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| 46 | }while( (i-=4) > 0 ); \ |
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| 47 | } |
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| 48 | |||
| 49 | |||
| 50 | #elif SDL_DRAW_BPP == 2 |
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| 51 | #define SDL_DRAW_PUTPIXEL \ |
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| 52 | i = w; \ |
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| 53 | switch( i % 4 ) { \ |
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| 54 | do{ \ |
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| 55 | case 0: \ |
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| 56 | *(Uint16*)p0 = color; p0+=2; \ |
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| 57 | *(Uint16*)p1 = color; p1+=2; \ |
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| 58 | case 3: \ |
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| 59 | *(Uint16*)p0 = color; p0+=2; \ |
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| 60 | *(Uint16*)p1 = color; p1+=2; \ |
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| 61 | case 2: \ |
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| 62 | *(Uint16*)p0 = color; p0+=2; \ |
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| 63 | *(Uint16*)p1 = color; p1+=2; \ |
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| 64 | case 1: \ |
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| 65 | *(Uint16*)p0 = color; p0+=2; \ |
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| 66 | *(Uint16*)p1 = color; p1+=2; \ |
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| 67 | }while( (i-=4) > 0 ); \ |
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| 68 | } \ |
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| 69 | if (h<3) return; \ |
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| 70 | p0 = (Uint8*)super->pixels + (y+1)*super->pitch + x*2; \ |
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| 71 | p1 = (Uint8*)super->pixels + (y+1)*super->pitch + (x+w-1)*2; \ |
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| 72 | i = h-2; \ |
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| 73 | switch( i % 4 ) { \ |
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| 74 | do{ \ |
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| 75 | case 0: \ |
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| 76 | *(Uint16*)p0 = color; p0+=super->pitch; \ |
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| 77 | *(Uint16*)p1 = color; p1+=super->pitch; \ |
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| 78 | case 3: \ |
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| 79 | *(Uint16*)p0 = color; p0+=super->pitch; \ |
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| 80 | *(Uint16*)p1 = color; p1+=super->pitch; \ |
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| 81 | case 2: \ |
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| 82 | *(Uint16*)p0 = color; p0+=super->pitch; \ |
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| 83 | *(Uint16*)p1 = color; p1+=super->pitch; \ |
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| 84 | case 1: \ |
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| 85 | *(Uint16*)p0 = color; p0+=super->pitch; \ |
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| 86 | *(Uint16*)p1 = color; p1+=super->pitch; \ |
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| 87 | }while( (i-=4) > 0 ); \ |
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| 88 | } |
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| 89 | |||
| 90 | |||
| 91 | #elif SDL_DRAW_BPP == 3 |
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| 92 | #define SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 93 | if (SDL_BYTEORDER == SDL_BIG_ENDIAN) { \ |
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| 94 | p0[0] = colorbyte2; \ |
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| 95 | p0[1] = colorbyte1; \ |
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| 96 | p0[2] = colorbyte0; \ |
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| 97 | p1[0] = colorbyte2; \ |
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| 98 | p1[1] = colorbyte1; \ |
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| 99 | p1[2] = colorbyte0; \ |
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| 100 | } else { \ |
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| 101 | p0[0] = colorbyte0; \ |
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| 102 | p0[1] = colorbyte1; \ |
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| 103 | p0[2] = colorbyte2; \ |
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| 104 | p1[0] = colorbyte0; \ |
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| 105 | p1[1] = colorbyte1; \ |
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| 106 | p1[2] = colorbyte2; \ |
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| 107 | } |
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| 108 | |||
| 109 | #define SDL_DRAW_PUTPIXEL \ |
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| 110 | i = w; \ |
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| 111 | switch( i % 4 ) { \ |
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| 112 | do{ \ |
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| 113 | case 0: \ |
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| 114 | SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 115 | p0+=3; p1+=3; \ |
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| 116 | case 3: \ |
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| 117 | SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 118 | p0+=3; p1+=3; \ |
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| 119 | case 2: \ |
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| 120 | SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 121 | p0+=3; p1+=3; \ |
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| 122 | case 1: \ |
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| 123 | SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 124 | p0+=3; p1+=3; \ |
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| 125 | }while( (i-=4) > 0 ); \ |
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| 126 | } \ |
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| 127 | if (h<3) return; \ |
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| 128 | p0 = (Uint8*)super->pixels + (y+1)*super->pitch + x*3; \ |
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| 129 | p1 = (Uint8*)super->pixels + (y+1)*super->pitch + (x+w-1)*3; \ |
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| 130 | i = h-2; \ |
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| 131 | switch( i % 4 ) { \ |
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| 132 | do{ \ |
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| 133 | case 0: \ |
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| 134 | SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 135 | p0+=super->pitch; p1+=super->pitch; \ |
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| 136 | case 3: \ |
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| 137 | SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 138 | p0+=super->pitch; p1+=super->pitch; \ |
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| 139 | case 2: \ |
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| 140 | SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 141 | p0+=super->pitch; p1+=super->pitch; \ |
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| 142 | case 1: \ |
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| 143 | SDL_DRAW_PUTPIXEL_BPP_3_AUX \ |
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| 144 | p0+=super->pitch; p1+=super->pitch; \ |
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| 145 | }while( (i-=4) > 0 ); \ |
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| 146 | } |
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| 147 | |||
| 148 | |||
| 149 | #elif SDL_DRAW_BPP == 4 |
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| 150 | |||
| 151 | #ifdef __linux__ |
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| 152 | #define SDL_DRAW_WMEMSET_START \ |
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| 153 | if (sizeof(wchar_t) == sizeof(Uint32)) { \ |
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| 154 | wmemset((wchar_t*)p0, color, w); \ |
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| 155 | wmemset((wchar_t*)p1, color, w); \ |
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| 156 | } else { |
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| 157 | #define SDL_DRAW_WMEMSET_END } |
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| 158 | #else |
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| 159 | #define SDL_DRAW_WMEMSET_START |
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| 160 | #define SDL_DRAW_WMEMSET_END |
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| 161 | #endif |
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| 162 | |||
| 163 | #define SDL_DRAW_PUTPIXEL \ |
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| 164 | SDL_DRAW_WMEMSET_START \ |
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| 165 | i = w; \ |
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| 166 | switch( i % 4 ) { \ |
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| 167 | do{ \ |
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| 168 | case 0: \ |
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| 169 | *(Uint32*)p0 = color; p0+=4; \ |
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| 170 | *(Uint32*)p1 = color; p1+=4; \ |
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| 171 | case 3: \ |
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| 172 | *(Uint32*)p0 = color; p0+=4; \ |
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| 173 | *(Uint32*)p1 = color; p1+=4; \ |
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| 174 | case 2: \ |
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| 175 | *(Uint32*)p0 = color; p0+=4; \ |
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| 176 | *(Uint32*)p1 = color; p1+=4; \ |
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| 177 | case 1: \ |
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| 178 | *(Uint32*)p0 = color; p0+=4; \ |
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| 179 | *(Uint32*)p1 = color; p1+=4; \ |
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| 180 | }while( (i-=4) > 0 ); \ |
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| 181 | } \ |
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| 182 | SDL_DRAW_WMEMSET_END \ |
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| 183 | if (h<3) return; \ |
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| 184 | p0 = (Uint8*)super->pixels + (y+1)*super->pitch + x*4; \ |
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| 185 | p1 = (Uint8*)super->pixels + (y+1)*super->pitch + (x+w-1)*4; \ |
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| 186 | i = h-2; \ |
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| 187 | switch( i % 4 ) { \ |
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| 188 | do{ \ |
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| 189 | case 0: \ |
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| 190 | *(Uint32*)p0 = color; p0+=super->pitch; \ |
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| 191 | *(Uint32*)p1 = color; p1+=super->pitch; \ |
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| 192 | case 3: \ |
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| 193 | *(Uint32*)p0 = color; p0+=super->pitch; \ |
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| 194 | *(Uint32*)p1 = color; p1+=super->pitch; \ |
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| 195 | case 2: \ |
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| 196 | *(Uint32*)p0 = color; p0+=super->pitch; \ |
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| 197 | *(Uint32*)p1 = color; p1+=super->pitch; \ |
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| 198 | case 1: \ |
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| 199 | *(Uint32*)p0 = color; p0+=super->pitch; \ |
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| 200 | *(Uint32*)p1 = color; p1+=super->pitch; \ |
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| 201 | }while( (i-=4) > 0 ); \ |
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| 202 | } |
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| 203 | |||
| 204 | #endif /*SDL_DRAW_BPP*/ |
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| 205 | |||
| 206 | |||
| 207 | void SDL_DRAWFUNCTION(SDL_Surface *super, |
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| 208 | Sint16 x, Sint16 y, Uint16 w, Uint16 h, |
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| 209 | Uint32 color) |
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| 210 | { |
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| 211 | #if SDL_DRAW_BPP == 3 |
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| 212 | Uint8 colorbyte0 = (Uint8) (color & 0xff); |
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| 213 | Uint8 colorbyte1 = (Uint8) ((color >> 8) & 0xff); |
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| 214 | Uint8 colorbyte2 = (Uint8) ((color >> 16) & 0xff); |
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| 215 | #endif |
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| 216 | |||
| 217 | register Uint8 *p0; |
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| 218 | register Uint8 *p1; |
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| 219 | register Sint16 i; |
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| 220 | |||
| 221 | if (w==0 || h==0) return; |
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| 222 | |||
| 223 | p0 = (Uint8*)super->pixels + y * super->pitch + x * SDL_DRAW_BPP; |
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| 224 | p1 = (Uint8*)super->pixels + (y+h-1) * super->pitch + x * SDL_DRAW_BPP; |
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| 225 | |||
| 226 | SDL_DRAW_PUTPIXEL |
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| 227 | |||
| 228 | }/*Draw_Rect*/ |
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| 229 | |||
| 230 | |||
| 231 | #undef SDL_DRAW_PUTPIXEL |
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| 232 | #undef SDL_DRAW_PUTPIXEL_BPP_3_AUX |
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| 233 | |||
| 234 | #undef SDL_DRAW_WMEMSET_START |
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| 235 | #undef SDL_DRAW_WMEMSET_END |
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| 236 |