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path: root/src/lib/evas/include/evas_macros.h
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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 #ifndef EVAS_MACROS_H #define EVAS_MACROS_H #undef ABS #define ABS(x) (((x) < 0) ? -(x) : (x)) #undef SGN #define SGN(x) (((x) < 0) ? -1 : 1) /* clamp b between a and c */ #undef CLAMP #define CLAMP(a,b,c) MIN(MAX((b),(a)),(c)) #define SWAP32(x) (x) = \ ((((x) & 0x000000ff ) << 24) | \ (((x) & 0x0000ff00 ) << 8) | \ (((x) & 0x00ff0000 ) >> 8) | \ (((x) & 0xff000000 ) >> 24)) #define SWAP16(x) (x) = \ ((((x) & 0x00ff ) << 8) | \ (((x) & 0xff00 ) >> 8)) #define SPANS_COMMON(x1, w1, x2, w2) \ (!(( (int)((x2) + (int)(w2)) <= (int)(x1)) || (int)((x2) >= (int)((x1) + (int)(w1))))) #define RECTS_INTERSECT(x, y, w, h, xx, yy, ww, hh) \ ((SPANS_COMMON((x), (w), (xx), (ww))) && (SPANS_COMMON((y), (h), (yy), (hh)))) #define RECTS_CLIP_TO_RECT(_x, _y, _w, _h, _cx, _cy, _cw, _ch) \ { \ if (RECTS_INTERSECT(_x, _y, _w, _h, _cx, _cy, _cw, _ch)) \ { \ if ((int)_x < (int)(_cx)) \ { \ if ((int)_w + ((int)_x - (int)(_cx)) < 0) _w = 0; \ else _w += ((int)_x - (int)(_cx)); \ _x = (_cx); \ } \ if ((int)(_x + _w) > (int)((_cx) + (_cw))) \ _w = (_cx) + (_cw) - _x; \ if ((int)_y < (int)(_cy)) \ { \ if ((int)_h + ((int)_y - (int)(_cy)) < 0) _h = 0; \ else _h += ((int)_y - (int)(_cy)); \ _y = (_cy); \ } \ if ((int)(_y + _h) > (int)((_cy) + (_ch))) \ _h = (_cy) + (_ch) - _y; \ } \ else \ { \ _w = 0; _h = 0; \ } \ } #define INTERP_VAL(out, in1, in2, in3, in4, interp_x, interp_y) \ { \ int _v, _vv; \ \ _v = (256 - (interp_x)) * (in1); \ if ((interp_x) > 0) _v += (interp_x) * (in2); \ _v *= (256 - (interp_y)); \ if ((interp_y) > 0) \ { \ _vv = (256 - (interp_x)) * (in3); \ if ((interp_x) > 0) _vv += (interp_x) * (in4); \ _vv *= (interp_y); \ (out) = ((_v + _vv) >> 16); \ } \ else (out) = (_v >> 16); \ } #define INTERP_2(in1, in2, interp, interp_inv) \ ((in1 * interp_inv) + (in2 * interp)) >> 8 #define CONVERT_LOOP_START_ROT_0() \ src_ptr = src; \ for (y = 0; y < h; y++) \ { \ for (x = 0; x < w; x++) \ { #define CONVERT_LOOP_END_ROT_0() \ dst_ptr++; \ src_ptr++; \ } \ src_ptr += src_jump; \ dst_ptr += dst_jump; \ } #define CONVERT_LOOP_START_ROT_180() \ src_ptr = src + (w - 1) + ((h - 1) * (w + src_jump)); \ for (y = 0; y < h; y++) \ { \ for (x = 0; x < w; x++) \ { #define CONVERT_LOOP_END_ROT_180() \ dst_ptr++; \ src_ptr--; \ } \ src_ptr = src + (w - 1) + ((h - y - 2) * (w + src_jump)); \ dst_ptr += dst_jump; \ } #define CONVERT_LOOP_START_ROT_270() \ src_ptr = src + ((w - 1) * (h + src_jump)); \ for (y = 0; y < h; y++) \ { \ for (x = 0; x < w; x++) \ { #define CONVERT_LOOP_END_ROT_270() \ dst_ptr++; \ src_ptr -= (h + src_jump); \ } \ src_ptr = src + ((w - 1) * (h + src_jump)) + (y + 1); \ dst_ptr += dst_jump; \ } #define CONVERT_LOOP_START_ROT_90() \ src_ptr = src + (h - 1); \ for (y = 0; y < h; y++) \ { \ for (x = 0; x < w; x++) \ { #define CONVERT_LOOP_END_ROT_90() \ dst_ptr++; \ src_ptr += (h + src_jump); \ } \ src_ptr = src + (h - 1) - y - 1; \ dst_ptr += dst_jump; \ } #define CONVERT_LOOP2_START_ROT_0() \ src_ptr = src; \ for (y = 0; y < h; y++) \ { \ for (x = 0; x < w; x++) \ { #define CONVERT_LOOP2_INC_ROT_0() \ src_ptr++; \ x++; #define CONVERT_LOOP2_END_ROT_0() \ dst_ptr+=2; \ src_ptr++; \ } \ src_ptr += src_jump; \ dst_ptr += dst_jump; \ } #define CONVERT_LOOP2_START_ROT_180() \ src_ptr = src + (w - 1) + ((h - 1) * (w + src_jump)); \ for (y = 0; y < h; y++) \ { \ for (x = 0; x < w; x++) \ { #define CONVERT_LOOP2_INC_ROT_180() \ src_ptr--; \ x++; #define CONVERT_LOOP2_END_ROT_180() \ dst_ptr+=2; \ src_ptr--; \ } \ src_ptr = src + (w - 1) + ((h - y - 2) * (w + src_jump)); \ dst_ptr += dst_jump; \ } #define CONVERT_LOOP2_START_ROT_270() \ src_ptr = src + ((w - 1) * (h + src_jump)); \ for (y = 0; y < h; y++) \ { \ for (x = 0; x < w; x++) \ { #define CONVERT_LOOP2_INC_ROT_270() \ src_ptr -= (h + src_jump); \ x++; #define CONVERT_LOOP2_END_ROT_270() \ dst_ptr+=2; \ src_ptr -= (h + src_jump); \ } \ src_ptr = src + ((w - 1) * (h + src_jump)) + (y + 1); \ dst_ptr += dst_jump; \ } #define CONVERT_LOOP2_START_ROT_90() \ src_ptr = src + (h - 1); \ for (y = 0; y < h; y++) \ { \ for (x = 0; x < w; x++) \ { #define CONVERT_LOOP2_INC_ROT_90() \ src_ptr += (h + src_jump); \ x++; #define CONVERT_LOOP2_END_ROT_90() \ dst_ptr+=2; \ src_ptr += (h + src_jump); \ } \ src_ptr = src + (h - 1) - y - 1; \ dst_ptr += dst_jump; \ } #endif