#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) #undef MIN #define MIN(x, y) (((x) < (y)) ? (x) : (y)) #undef MAX #define MAX(x, y) (((x) > (y)) ? (x) : (y)) #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