231 lines
7.1 KiB
C
231 lines
7.1 KiB
C
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#include "ephoto.h"
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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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int 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 = 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_update(main, image, EINA_TRUE, im_data_new, 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, x, y, w, h;
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int mul, mul2, tot;
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int rad = 3;
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im_data = 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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mul = (rad * 4) + 1;
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mul2 = rad;
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tot = mul - (mul2 * 4);
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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_update(main, image, EINA_TRUE, im_data_new, 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, w, h;
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im_data = 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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if (a > 0 && a < 255)
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{
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b = b * (255 / a);
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g = g * (255 / a);
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r = r * (255 / a);
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}
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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_update(main, image, EINA_TRUE, im_data_new, 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, w, h;
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im_data = 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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if (a > 0 && a < 255)
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{
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b = b * (255 / a);
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g = g * (255 / a);
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r = r * (255 / a);
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}
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rr = (int)((r* .393) + (g*.769) + (b*.189));
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if (rr < 0)
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rr = 0;
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if (rr > 255)
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rr = 255;
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gg = (int)((r* .349) + (g*.686) + (b*.168));
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if (gg < 0)
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gg = 0;
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if (gg > 255)
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gg = 255;
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bb = (int)((r* .272) + (g*.534) + (b*.131));
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if (bb < 0)
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bb = 0;
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if (bb > 255)
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bb = 255;
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if (a >= 0 && a < 255)
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{
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rr = (rr * a) / 255;
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gg = (gg * a) / 255;
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bb = (bb * a) / 255;
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}
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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_update(main, image, EINA_TRUE, im_data_new, w, h);
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}
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