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319 lines
8.1 KiB
319 lines
8.1 KiB
#include "ephoto.h" |
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static int |
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_normalize_color(int color) |
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{ |
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if (color < 0) |
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return 0; |
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else if (color > 255) |
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return 255; |
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else |
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return color; |
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} |
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static int |
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_mul_color_alpha(int color, int alpha) |
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{ |
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if (alpha > 0 && alpha < 255) |
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return color * (255 / alpha); |
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else |
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return color; |
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} |
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static int |
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_demul_color_alpha(int color, int alpha) |
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{ |
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if (alpha > 0 && alpha < 255) |
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return (color * alpha) / 255; |
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else |
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return color; |
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} |
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void |
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ephoto_filter_blur(Evas_Object *main, Evas_Object *image) |
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{ |
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unsigned int *im_data, *im_data_new, *p1, *p2; |
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int rad = 3; |
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Evas_Coord x, y, w, h, mx, my, mw, mh, mt, xx, yy; |
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int a, r, g, b; |
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int *as, *rs, *gs, *bs; |
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im_data = |
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evas_object_image_data_get(elm_image_object_get(image), EINA_FALSE); |
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evas_object_image_size_get(elm_image_object_get(image), &w, &h); |
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im_data_new = malloc(sizeof(unsigned int) * w * h); |
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as = malloc(sizeof(int) * w); |
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rs = malloc(sizeof(int) * w); |
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gs = malloc(sizeof(int) * w); |
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bs = malloc(sizeof(int) * w); |
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for (y = 0; y < h; y++) |
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{ |
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my = y - rad; |
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mh = (rad << 1) + 1; |
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if (my < 0) |
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{ |
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mh += my; |
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my = 0; |
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} |
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if ((my + mh) > h) |
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{ |
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mh = h - my; |
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} |
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p1 = im_data_new + (y * w); |
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memset(as, 0, w * sizeof(int)); |
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memset(rs, 0, w * sizeof(int)); |
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memset(gs, 0, w * sizeof(int)); |
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memset(bs, 0, w * sizeof(int)); |
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for (yy = 0; yy < mh; yy++) |
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{ |
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p2 = im_data + ((yy + my) * w); |
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for (x = 0; x < w; x++) |
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{ |
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as[x] += (*p2 >> 24) & 0xff; |
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rs[x] += (*p2 >> 16) & 0xff; |
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gs[x] += (*p2 >> 8) & 0xff; |
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bs[x] += *p2 & 0xff; |
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p2++; |
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} |
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} |
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if (w > ((rad << 1) + 1)) |
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{ |
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for (x = 0; x < w; x++) |
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{ |
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a = 0; |
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r = 0; |
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g = 0; |
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b = 0; |
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mx = x - rad; |
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mw = (rad << 1) + 1; |
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if (mx < 0) |
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{ |
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mw += mx; |
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mx = 0; |
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} |
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if ((mx + mw) > w) |
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{ |
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mw = w - mx; |
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} |
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mt = mw * mh; |
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for (xx = mx; xx < (mw + mx); xx++) |
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{ |
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a += as[xx]; |
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r += rs[xx]; |
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g += gs[xx]; |
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b += bs[xx]; |
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} |
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a = a / mt; |
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r = r / mt; |
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g = g / mt; |
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b = b / mt; |
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*p1 = (a << 24) | (r << 16) | (g << 8) | b; |
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p1++; |
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} |
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} |
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} |
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free(as); |
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free(rs); |
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free(gs); |
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free(bs); |
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ephoto_single_browser_image_data_done(main, im_data_new, |
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w, h); |
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} |
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void |
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ephoto_filter_sharpen(Evas_Object *main, Evas_Object *image) |
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{ |
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unsigned int *im_data, *im_data_new, *p1, *p2; |
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int a, r, g, b; |
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Evas_Coord x, y, w, h; |
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im_data = |
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evas_object_image_data_get(elm_image_object_get(image), EINA_FALSE); |
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evas_object_image_size_get(elm_image_object_get(image), &w, &h); |
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im_data_new = malloc(sizeof(unsigned int) * w * h); |
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for (y = 1; y < (h - 1); y++) |
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{ |
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p1 = im_data + 1 + (y * w); |
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p2 = im_data_new + 1 + (y * w); |
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for (x = 1; x < (w - 1); x++) |
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{ |
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b = (int) ((p1[0]) & 0xff) * 5; |
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g = (int) ((p1[0] >> 8) & 0xff) * 5; |
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r = (int) ((p1[0] >> 16) & 0xff) * 5; |
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a = (int) ((p1[0] >> 24) & 0xff) * 5; |
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b -= (int) ((p1[-1]) & 0xff); |
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g -= (int) ((p1[-1] >> 8) & 0xff); |
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r -= (int) ((p1[-1] >> 16) & 0xff); |
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a -= (int) ((p1[-1] >> 24) & 0xff); |
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b -= (int) ((p1[1]) & 0xff); |
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g -= (int) ((p1[1] >> 8) & 0xff); |
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r -= (int) ((p1[1] >> 16) & 0xff); |
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a -= (int) ((p1[1] >> 24) & 0xff); |
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b -= (int) ((p1[-w]) & 0xff); |
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g -= (int) ((p1[-w] >> 8) & 0xff); |
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r -= (int) ((p1[-w] >> 16) & 0xff); |
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a -= (int) ((p1[-w] >> 24) & 0xff); |
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b -= (int) ((p1[-w]) & 0xff); |
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g -= (int) ((p1[-w] >> 8) & 0xff); |
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r -= (int) ((p1[-w] >> 16) & 0xff); |
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a -= (int) ((p1[-w] >> 24) & 0xff); |
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a = (a & ((~a) >> 16)); |
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a = ((a | ((a & 256) - ((a & 256) >> 8)))); |
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r = (r & ((~r) >> 16)); |
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r = ((r | ((r & 256) - ((r & 256) >> 8)))); |
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g = (g & ((~g) >> 16)); |
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g = ((g | ((g & 256) - ((g & 256) >> 8)))); |
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b = (b & ((~b) >> 16)); |
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b = ((b | ((b & 256) - ((b & 256) >> 8)))); |
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*p2 = (a << 24) | (r << 16) | (g << 8) | b; |
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p2++; |
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p1++; |
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} |
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} |
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ephoto_single_browser_image_data_done(main, im_data_new, |
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w, h); |
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} |
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void |
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ephoto_filter_black_and_white(Evas_Object *main, Evas_Object *image) |
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{ |
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unsigned int *im_data, *im_data_new; |
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int gray, i, r, g, b, a; |
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Evas_Coord w, h; |
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im_data = |
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evas_object_image_data_get(elm_image_object_get(image), EINA_FALSE); |
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evas_object_image_size_get(elm_image_object_get(image), &w, &h); |
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im_data_new = malloc(sizeof(unsigned int) * w * h); |
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for (i = 0; i < (w * h); i++) |
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{ |
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b = (int) ((im_data[i]) & 0xff); |
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g = (int) ((im_data[i] >> 8) & 0xff); |
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r = (int) ((im_data[i] >> 16) & 0xff); |
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a = (int) ((im_data[i] >> 24) & 0xff); |
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b = _mul_color_alpha(b, a); |
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g = _mul_color_alpha(g, a); |
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r = _mul_color_alpha(r, a); |
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gray = (int) ((0.3 * r) + (0.59 * g) + (0.11 * b)); |
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if (a >= 0 && a < 255) |
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gray = (gray * a) / 255; |
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im_data_new[i] = (a << 24) | (gray << 16) | (gray << 8) | gray; |
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} |
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ephoto_single_browser_image_data_done(main, im_data_new, |
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w, h); |
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} |
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void |
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ephoto_filter_old_photo(Evas_Object *main, Evas_Object *image) |
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{ |
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unsigned int *im_data, *im_data_new; |
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int i, r, rr, g, gg, b, bb, a; |
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Evas_Coord w, h; |
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im_data = |
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evas_object_image_data_get(elm_image_object_get(image), EINA_FALSE); |
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evas_object_image_size_get(elm_image_object_get(image), &w, &h); |
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im_data_new = malloc(sizeof(unsigned int) * w * h); |
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for (i = 0; i < (w * h); i++) |
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{ |
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b = (int) ((im_data[i]) & 0xff); |
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g = (int) ((im_data[i] >> 8) & 0xff); |
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r = (int) ((im_data[i] >> 16) & 0xff); |
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a = (int) ((im_data[i] >> 24) & 0xff); |
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b = _mul_color_alpha(b, a); |
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g = _mul_color_alpha(g, a); |
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r = _mul_color_alpha(r, a); |
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rr = (int) ((r * .393) + (g * .769) + (b * .189)); |
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rr = _normalize_color(rr); |
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gg = (int) ((r * .349) + (g * .686) + (b * .168)); |
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gg = _normalize_color(gg); |
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bb = (int) ((r * .272) + (g * .534) + (b * .131)); |
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bb = _normalize_color(bb); |
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bb = _demul_color_alpha(bb, a); |
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gg = _demul_color_alpha(gg, a); |
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rr = _demul_color_alpha(rr, a); |
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im_data_new[i] = (a << 24) | (rr << 16) | (gg << 8) | bb; |
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} |
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ephoto_single_browser_image_data_done(main, im_data_new, |
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w, h); |
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} |
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void |
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ephoto_filter_histogram_eq(Evas_Object *main, Evas_Object *image) |
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{ |
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unsigned int *im_data, *im_data_new, *p1, *p2; |
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Evas_Coord x, y, w, h; |
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int i, hist[256], cdf[256]; |
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int a, r, g, b, bb, gg, rr, norm, total; |
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float hh, s, v, nv, sum; |
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im_data = |
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evas_object_image_data_get(elm_image_object_get(image), EINA_FALSE); |
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evas_object_image_size_get(elm_image_object_get(image), &w, &h); |
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im_data_new = malloc(sizeof(unsigned int) * w * h); |
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total = w * h; |
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for (i = 0; i < 256; i++) |
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hist[i] = 0; |
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for (y = 0; y < h; y++) |
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{ |
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p1 = im_data + (y * w); |
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for (x = 0; x < w; x++) |
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{ |
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b = (int) ((*p1) & 0xff); |
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g = (int) ((*p1 >> 8) & 0xff); |
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r = (int) ((*p1 >> 16) & 0xff); |
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a = (int) ((*p1 >> 24) & 0xff); |
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b = _mul_color_alpha(b, a); |
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g = _mul_color_alpha(g, a); |
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r = _mul_color_alpha(r, a); |
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evas_color_rgb_to_hsv(r, g, b, &hh, &s, &v); |
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norm = (int) round((double) v * (double) 255); |
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hist[norm] += 1; |
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p1++; |
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} |
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} |
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sum = 0; |
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for (i = 0; i < 256; i++) |
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{ |
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sum += ((double) hist[i] / (double) total); |
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cdf[i] = (int) round(sum * 255); |
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} |
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for (y = 0; y < h; y++) |
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{ |
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p1 = im_data + (y * w); |
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p2 = im_data_new + (y * w); |
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for (x = 0; x < w; x++) |
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{ |
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b = (int) ((*p1) & 0xff); |
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g = (int) ((*p1 >> 8) & 0xff); |
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r = (int) ((*p1 >> 16) & 0xff); |
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a = (int) ((*p1 >> 24) & 0xff); |
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b = _mul_color_alpha(b, a); |
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g = _mul_color_alpha(g, a); |
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r = _mul_color_alpha(r, a); |
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evas_color_rgb_to_hsv(r, g, b, &hh, &s, &v); |
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norm = (int) round((double) v * (double) 255); |
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nv = (float) cdf[norm] / (float) 255; |
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evas_color_hsv_to_rgb(hh, s, nv, &rr, &gg, &bb); |
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bb = _normalize_color(bb); |
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gg = _normalize_color(gg); |
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rr = _normalize_color(rr); |
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bb = _demul_color_alpha(bb, a); |
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gg = _demul_color_alpha(gg, a); |
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rr = _demul_color_alpha(rr, a); |
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*p2 = (a << 24) | (rr << 16) | (gg << 8) | bb; |
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p2++; |
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p1++; |
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} |
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} |
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ephoto_single_browser_image_data_done(main, im_data_new, |
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w, h); |
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}
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