339 lines
7.9 KiB
C
339 lines
7.9 KiB
C
#include "ephoto.h"
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#include "ephoto_imaging.h"
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unsigned int *rotate_left(Ewl_Widget *image) {
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unsigned int *im_data, *im_data_new;
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int index, ind, i, j, ni, nj, ew, eh, nw, nh;
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im_data = evas_object_image_data_get(EWL_IMAGE(image)->image, FALSE);
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evas_object_image_size_get(EWL_IMAGE(image)->image, &ew, &eh);
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index = 0;
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im_data_new = malloc(sizeof(unsigned int) * ew * eh);
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nw = eh;
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nh = ew;
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for (i = 0; i < nh; i++) {
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for (j = 0; j < nw; j++) {
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ni = j;
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nj = nh - i - 1;
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ind = ni * nh + nj;
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im_data_new[index] = im_data[ind];
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index++;
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}
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}
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return im_data_new;
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}
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unsigned int *rotate_right(Ewl_Widget *image) {
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unsigned int *im_data, *im_data_new;
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int index, ind, i, j, ni, nj, ew, eh, nw, nh;
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im_data = evas_object_image_data_get(EWL_IMAGE(image)->image, FALSE);
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evas_object_image_size_get(EWL_IMAGE(image)->image, &ew, &eh);
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index = 0;
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im_data_new = malloc(sizeof(unsigned int) * ew * eh);
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nw = eh;
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nh = ew;
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for (i = 0; i < nh; i++) {
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for (j = 0; j < nw; j++) {
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ni = nw - j - 1;
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nj = i;
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ind = ni * nh + nj;
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im_data_new[index] = im_data[ind];
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index++;
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}
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}
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return im_data_new;
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}
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unsigned int *flip_horizontal(Ewl_Widget *image) {
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unsigned int *im_data, *im_data_new;
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int index, ind, i, j, ni, nj, ew, eh;
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im_data = evas_object_image_data_get(EWL_IMAGE(image)->image, FALSE);
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evas_object_image_size_get(EWL_IMAGE(image)->image, &ew, &eh);
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index = 0;
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im_data_new = malloc(sizeof(unsigned int) * ew * eh);
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for (i = 0; i < eh; i ++) {
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for (j = 0; j < ew; j++) {
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ni = i;
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nj = ew - j - 1;
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ind = ni * ew + nj;
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im_data_new[index] = im_data[ind];
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index++;
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}
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}
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return im_data_new;
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}
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unsigned int *flip_vertical(Ewl_Widget *image) {
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unsigned int *im_data, *im_data_new;
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int index, ind, i, j, ni, nj, ew, eh;
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im_data = evas_object_image_data_get(EWL_IMAGE(image)->image, FALSE);
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evas_object_image_size_get(EWL_IMAGE(image)->image, &ew, &eh);
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index = 0;
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im_data_new = malloc(sizeof(unsigned int) * ew * eh);
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for (i = 0; i < eh; i++) {
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for (j = 0; j < ew; j++) {
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ni = eh - i - 1;
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nj = j;
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ind = ni * ew + nj;
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im_data_new[index] = im_data[ind];
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index++;
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}
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}
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return im_data_new;
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}
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unsigned int *blur_image(Ewl_Widget *image) {
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unsigned int *im_data, *im_data_new, *p1, *p2;
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int rad = 2;
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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(EWL_IMAGE(image)->image, FALSE);
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evas_object_image_size_get(EWL_IMAGE(image)->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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my = y - rad;
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mh = (rad << 1) + 1;
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if (my < 0) {
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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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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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p2 = im_data + ((yy + my) * w);
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for (x = 0; x < w; x++) {
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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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for (x = 0; x < w; x++) {
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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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mw += mx;
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mx = 0;
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}
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if ((mx + mw) > w) {
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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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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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return im_data_new;
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}
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unsigned int *sharpen_image(Ewl_Widget *image) {
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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 = 2;
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im_data = evas_object_image_data_get(EWL_IMAGE(image)->image, FALSE);
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evas_object_image_size_get(EWL_IMAGE(image)->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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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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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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return im_data_new;
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}
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unsigned int *grayscale_image(Ewl_Widget *image) {
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unsigned int *im_data, *im_data_new;
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int gray, i, r, g, b, a, ew, eh;
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im_data = evas_object_image_data_get(EWL_IMAGE(image)->image, FALSE);
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evas_object_image_size_get(EWL_IMAGE(image)->image, &ew, &eh);
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im_data_new = malloc(sizeof(unsigned int) * ew * eh);
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for (i = 0; i < (ew * eh); i++) {
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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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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) 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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return im_data_new;
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}
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unsigned int *sepia_image(Ewl_Widget *image) {
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unsigned int *im_data, *im_data_new;
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int i, r, rr, g, gg, b, bb, a, ew, eh;
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im_data = evas_object_image_data_get(EWL_IMAGE(image)->image, FALSE);
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evas_object_image_size_get(EWL_IMAGE(image)->image, &ew, &eh);
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im_data_new = malloc(sizeof(unsigned int) * ew * eh);
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for (i = 0; i < (ew * eh); i++) {
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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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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 + g + b)/3)+30);
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if (rr < 0) rr = 0;
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if (rr > 255) rr = 255;
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gg = (int)(((r + g + b)/3)+10);
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if (gg < 0) gg = 0;
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if (gg > 255) gg = 255;
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bb = (int)(((r + g + b)/3)+2);
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if (bb < 0) bb = 0;
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if (bb > 255) bb = 255;
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if (a >= 0 && a < 255) {
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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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return im_data_new;
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}
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void update_image(Ewl_Widget *image, int w, int h,
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unsigned int *data) {
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if (!w || !h)
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return;
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if (data) {
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evas_object_image_size_set(EWL_IMAGE(image)->image, w, h);
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evas_object_image_data_set(EWL_IMAGE(image)->image, data);
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evas_object_image_data_update_add(EWL_IMAGE(image)->image, 0, 0,
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w, h);
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}
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else {
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ewl_image_size_set(EWL_IMAGE(image), w, h);
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ewl_widget_configure(image);
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}
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}
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