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393 lines
13 KiB
393 lines
13 KiB
#include "ephoto.h" |
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typedef struct _Ephoto_BCG Ephoto_BCG; |
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struct _Ephoto_BCG |
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{ |
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Evas_Object *main; |
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Evas_Object *parent; |
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Evas_Object *image; |
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Evas_Object *editor; |
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Evas_Object *bslider; |
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Evas_Object *cslider; |
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Evas_Object *gslider; |
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Eina_List *handlers; |
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int contrast; |
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int brightness; |
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double gamma; |
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Evas_Coord w, h; |
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unsigned int *original_im_data; |
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}; |
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unsigned int * |
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_ephoto_bcg_adjust_brightness(Ephoto_BCG *ebcg, int brightness, |
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unsigned int *image_data) |
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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; |
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int a, r, g, b, bb, gg, rr; |
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im_data = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); |
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if (image_data) |
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memcpy(im_data, image_data, sizeof(unsigned int) * ebcg->w * ebcg->h); |
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else |
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memcpy(im_data, ebcg->original_im_data, |
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sizeof(unsigned int) * ebcg->w * ebcg->h); |
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ebcg->brightness = brightness; |
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im_data_new = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); |
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for (y = 0; y < ebcg->h; y++) |
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{ |
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p1 = im_data + (y * ebcg->w); |
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p2 = im_data_new + (y * ebcg->w); |
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for (x = 0; x < ebcg->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 = ephoto_mul_color_alpha(b, a); |
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g = ephoto_mul_color_alpha(g, a); |
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r = ephoto_mul_color_alpha(r, a); |
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bb = (int)b + ebcg->brightness; |
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gg = (int)g + ebcg->brightness; |
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rr = (int)r + ebcg->brightness; |
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bb = ephoto_normalize_color(bb); |
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gg = ephoto_normalize_color(gg); |
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rr = ephoto_normalize_color(rr); |
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bb = ephoto_demul_color_alpha(bb, a); |
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gg = ephoto_demul_color_alpha(gg, a); |
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rr = ephoto_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_update(ebcg->main, ebcg->image, |
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im_data_new, ebcg->w, ebcg->h); |
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free(im_data); |
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return im_data_new; |
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} |
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unsigned int * |
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_ephoto_bcg_adjust_contrast(Ephoto_BCG *ebcg, int contrast, |
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unsigned int *image_data) |
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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; |
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int top, bottom, a, r, g, b, bb, gg, rr; |
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float factor; |
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im_data = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); |
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if (image_data) |
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memcpy(im_data, image_data, sizeof(unsigned int) * ebcg->w * ebcg->h); |
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else |
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memcpy(im_data, ebcg->original_im_data, |
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sizeof(unsigned int) * ebcg->w * ebcg->h); |
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ebcg->contrast = contrast; |
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top = ((255 + (contrast)) * 259); |
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bottom = ((259 - (contrast)) * 255); |
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factor = (float)top / (float)bottom; |
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im_data_new = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); |
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for (y = 0; y < ebcg->h; y++) |
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{ |
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p1 = im_data + (y * ebcg->w); |
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p2 = im_data_new + (y * ebcg->w); |
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for (x = 0; x < ebcg->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 = ephoto_mul_color_alpha(b, a); |
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g = ephoto_mul_color_alpha(g, a); |
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r = ephoto_mul_color_alpha(r, a); |
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bb = (int)((factor * (b - 128)) + 128); |
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gg = (int)((factor * (g - 128)) + 128); |
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rr = (int)((factor * (r - 128)) + 128); |
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bb = ephoto_normalize_color(bb); |
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gg = ephoto_normalize_color(gg); |
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rr = ephoto_normalize_color(rr); |
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bb = ephoto_demul_color_alpha(bb, a); |
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gg = ephoto_demul_color_alpha(gg, a); |
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rr = ephoto_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_update(ebcg->main, ebcg->image, |
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im_data_new, ebcg->w, ebcg->h); |
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free(im_data); |
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return im_data_new; |
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} |
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unsigned int * |
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_ephoto_bcg_adjust_gamma(Ephoto_BCG *ebcg, double gamma, |
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unsigned int *image_data) |
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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; |
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int a, r, g, b, bb, gg, rr; |
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im_data = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); |
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if (image_data) |
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memcpy(im_data, image_data, sizeof(unsigned int) * ebcg->w * ebcg->h); |
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else |
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memcpy(im_data, ebcg->original_im_data, |
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sizeof(unsigned int) * ebcg->w * ebcg->h); |
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ebcg->gamma = 1 / gamma; |
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im_data_new = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); |
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for (y = 0; y < ebcg->h; y++) |
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{ |
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p1 = im_data + (y * ebcg->w); |
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p2 = im_data_new + (y * ebcg->w); |
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for (x = 0; x < ebcg->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 = ephoto_mul_color_alpha(b, a); |
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g = ephoto_mul_color_alpha(g, a); |
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r = ephoto_mul_color_alpha(r, a); |
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bb = (int)(pow(((double)b / 255), ebcg->gamma) * 255); |
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gg = (int)(pow(((double)g / 255), ebcg->gamma) * 255); |
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rr = (int)(pow(((double)r / 255), ebcg->gamma) * 255); |
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bb = ephoto_normalize_color(bb); |
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gg = ephoto_normalize_color(gg); |
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rr = ephoto_normalize_color(rr); |
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bb = ephoto_demul_color_alpha(bb, a); |
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gg = ephoto_demul_color_alpha(gg, a); |
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rr = ephoto_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_update(ebcg->main, ebcg->image, |
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im_data_new, ebcg->w, ebcg->h); |
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free(im_data); |
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return im_data_new; |
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} |
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static void |
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_brightness_slider_changed(void *data, Evas_Object *obj, |
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void *event_info EINA_UNUSED) |
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{ |
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Ephoto_BCG *ebcg = data; |
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int brightness; |
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unsigned int *image_data, *image_data_two; |
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brightness = elm_slider_value_get(obj); |
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image_data = _ephoto_bcg_adjust_brightness(ebcg, brightness, NULL); |
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image_data_two = |
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_ephoto_bcg_adjust_contrast(ebcg, ebcg->contrast, image_data); |
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_ephoto_bcg_adjust_gamma(ebcg, ebcg->gamma, image_data_two); |
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} |
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static void |
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_contrast_slider_changed(void *data, Evas_Object *obj, |
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void *event_info EINA_UNUSED) |
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{ |
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Ephoto_BCG *ebcg = data; |
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int contrast; |
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unsigned int *image_data, *image_data_two; |
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contrast = elm_slider_value_get(obj); |
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image_data = _ephoto_bcg_adjust_contrast(ebcg, contrast, NULL); |
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image_data_two = |
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_ephoto_bcg_adjust_brightness(ebcg, ebcg->brightness, image_data); |
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_ephoto_bcg_adjust_gamma(ebcg, ebcg->gamma, image_data_two); |
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} |
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static void |
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_gamma_slider_changed(void *data, Evas_Object *obj, |
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void *event_info EINA_UNUSED) |
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{ |
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Ephoto_BCG *ebcg = data; |
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double gamma; |
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unsigned int *image_data, *image_data_two; |
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gamma = elm_slider_value_get(obj); |
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image_data = _ephoto_bcg_adjust_gamma(ebcg, gamma, NULL); |
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image_data_two = |
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_ephoto_bcg_adjust_brightness(ebcg, ebcg->brightness, image_data); |
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_ephoto_bcg_adjust_contrast(ebcg, ebcg->contrast, image_data_two); |
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} |
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static Eina_Bool |
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_bcg_reset(void *data, int type EINA_UNUSED, |
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void *event_info EINA_UNUSED) |
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{ |
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Ephoto_BCG *ebcg = data; |
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elm_slider_value_set(ebcg->bslider, 0); |
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elm_slider_value_set(ebcg->cslider, 0); |
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elm_slider_value_set(ebcg->gslider, 1); |
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ebcg->brightness = 0; |
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ebcg->contrast = 0; |
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ebcg->gamma = 1; |
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_brightness_slider_changed(ebcg, ebcg->bslider, NULL); |
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return ECORE_CALLBACK_PASS_ON; |
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} |
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static Eina_Bool |
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_bcg_apply(void *data, int type EINA_UNUSED, |
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void *event_info EINA_UNUSED) |
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{ |
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Ephoto_BCG *ebcg = data; |
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unsigned int *image_data; |
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Evas_Coord w, h; |
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if (elm_slider_value_get(ebcg->bslider) == 0 && |
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elm_slider_value_get(ebcg->cslider) == 0 && |
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elm_slider_value_get(ebcg->gslider) == 1) |
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{ |
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ephoto_single_browser_cancel_editing(ebcg->main); |
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} |
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else |
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{ |
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image_data = |
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evas_object_image_data_get(ebcg->image, EINA_FALSE); |
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evas_object_image_size_get(ebcg->image, &w, &h); |
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ephoto_single_browser_image_data_done(ebcg->main, image_data, w, h); |
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} |
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ephoto_editor_del(ebcg->editor, ebcg->parent); |
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return ECORE_CALLBACK_PASS_ON; |
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} |
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static Eina_Bool |
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_bcg_cancel(void *data, int type EINA_UNUSED, |
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void *event_info EINA_UNUSED) |
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{ |
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Ephoto_BCG *ebcg = data; |
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elm_slider_value_set(ebcg->bslider, 0); |
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elm_slider_value_set(ebcg->cslider, 0); |
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elm_slider_value_set(ebcg->gslider, 1); |
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ebcg->brightness = 0; |
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ebcg->contrast = 0; |
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ebcg->gamma = 1; |
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_brightness_slider_changed(ebcg, ebcg->bslider, NULL); |
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ephoto_single_browser_cancel_editing(ebcg->main); |
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ephoto_editor_del(ebcg->editor, ebcg->parent); |
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return ECORE_CALLBACK_PASS_ON; |
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} |
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static void |
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_editor_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, |
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void *event_info EINA_UNUSED) |
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{ |
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Ephoto_BCG *ebcg = data; |
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Ecore_Event_Handler *handler; |
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EINA_LIST_FREE(ebcg->handlers, handler) |
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ecore_event_handler_del(handler); |
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free(ebcg->original_im_data); |
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free(ebcg); |
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} |
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void |
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ephoto_bcg_add(Ephoto *ephoto, Evas_Object *main, Evas_Object *parent, Evas_Object *image) |
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{ |
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Evas_Object *slider; |
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Ephoto_BCG *ebcg; |
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unsigned int *im_data; |
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EINA_SAFETY_ON_NULL_GOTO(image, error); |
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ebcg = calloc(1, sizeof(Ephoto_BCG)); |
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EINA_SAFETY_ON_NULL_GOTO(ebcg, error); |
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ebcg->brightness = 0; |
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ebcg->contrast = 0; |
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ebcg->gamma = 1; |
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ebcg->main = main; |
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ebcg->parent = parent; |
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ebcg->image = image; |
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im_data = |
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evas_object_image_data_get(ebcg->image, |
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EINA_FALSE); |
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evas_object_image_size_get(ebcg->image, &ebcg->w, |
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&ebcg->h); |
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ebcg->original_im_data = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); |
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memcpy(ebcg->original_im_data, im_data, |
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sizeof(unsigned int) * ebcg->w * ebcg->h); |
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ebcg->editor = ephoto_editor_add(ephoto, parent, _("Brightness/Contrast/Gamma"), |
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"ebcg", ebcg); |
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evas_object_event_callback_add(ebcg->editor, EVAS_CALLBACK_DEL, _editor_del, |
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ebcg); |
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slider = elm_slider_add(ebcg->editor); |
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elm_object_text_set(slider, _("Gamma")); |
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elm_slider_min_max_set(slider, -0.1, 3); |
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elm_slider_step_set(slider, .1); |
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elm_slider_value_set(slider, 1); |
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elm_slider_unit_format_set(slider, "%1.2f"); |
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elm_slider_indicator_format_set(slider, "%1.2f"); |
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EPHOTO_WEIGHT(slider, EVAS_HINT_EXPAND, EVAS_HINT_FILL); |
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EPHOTO_ALIGN(slider, EVAS_HINT_FILL, 0.5); |
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evas_object_smart_callback_add(slider, "delay,changed", |
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_gamma_slider_changed, ebcg); |
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elm_box_pack_start(ebcg->editor, slider); |
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evas_object_show(slider); |
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ebcg->gslider = slider; |
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slider = elm_slider_add(ebcg->editor); |
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elm_object_text_set(slider, _("Contrast")); |
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elm_slider_min_max_set(slider, -100, 100); |
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elm_slider_step_set(slider, 1); |
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elm_slider_value_set(slider, 0); |
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elm_slider_unit_format_set(slider, "%1.0f"); |
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elm_slider_indicator_format_set(slider, "%1.0f"); |
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EPHOTO_WEIGHT(slider, EVAS_HINT_EXPAND, EVAS_HINT_FILL); |
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EPHOTO_ALIGN(slider, EVAS_HINT_FILL, 0.5); |
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evas_object_smart_callback_add(slider, "delay,changed", |
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_contrast_slider_changed, ebcg); |
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elm_box_pack_start(ebcg->editor, slider); |
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evas_object_show(slider); |
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ebcg->cslider = slider; |
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slider = elm_slider_add(ebcg->editor); |
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elm_object_text_set(slider, _("Brightness")); |
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elm_slider_min_max_set(slider, -100, 100); |
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elm_slider_step_set(slider, 1); |
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elm_slider_value_set(slider, 0); |
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elm_slider_unit_format_set(slider, "%1.0f"); |
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elm_slider_indicator_format_set(slider, "%1.0f"); |
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EPHOTO_WEIGHT(slider, EVAS_HINT_EXPAND, EVAS_HINT_FILL); |
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EPHOTO_ALIGN(slider, EVAS_HINT_FILL, 0.5); |
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evas_object_smart_callback_add(slider, "delay,changed", |
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_brightness_slider_changed, ebcg); |
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elm_box_pack_start(ebcg->editor, slider); |
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evas_object_show(slider); |
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ebcg->bslider = slider; |
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ebcg->handlers = |
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eina_list_append(ebcg->handlers, |
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_RESET, |
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_bcg_reset, ebcg)); |
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ebcg->handlers = |
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eina_list_append(ebcg->handlers, |
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_APPLY, |
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_bcg_apply, ebcg)); |
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ebcg->handlers = |
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eina_list_append(ebcg->handlers, |
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_CANCEL, |
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_bcg_cancel, ebcg)); |
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return; |
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error: |
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return; |
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} |
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