diff --git a/src/bin/ephoto.h b/src/bin/ephoto.h index 03a25b8..81dd7b7 100644 --- a/src/bin/ephoto.h +++ b/src/bin/ephoto.h @@ -78,6 +78,7 @@ void ephoto_filter_blur(Evas_Object *main, Evas_Object *image); void ephoto_filter_sharpen(Evas_Object *main, Evas_Object *image); void ephoto_filter_black_and_white(Evas_Object *main, Evas_Object *image); void ephoto_filter_old_photo(Evas_Object *main, Evas_Object *image); +void ephoto_filter_histogram_eq(Evas_Object *main, Evas_Object *image); enum _Ephoto_State { diff --git a/src/bin/ephoto_bcg.c b/src/bin/ephoto_bcg.c index 75a97b0..3fc677f 100644 --- a/src/bin/ephoto_bcg.c +++ b/src/bin/ephoto_bcg.c @@ -17,12 +17,41 @@ struct _Ephoto_BCG unsigned int *original_im_data; }; +static int +_normalize_color(int color) +{ + if (color < 0) + return 0; + else if (color > 255) + return 255; + else + return color; +} + +static int +_mul_color_alpha(int color, int alpha) +{ + if (alpha > 0 && alpha < 255) + return (color * (255 / alpha)); + else + return color; +} + +static int +_demul_color_alpha(int color, int alpha) +{ + if (alpha > 0 && alpha < 255) + return ((color * alpha) / 255); + else + return color; +} + unsigned int * _ephoto_bcg_adjust_brightness(Ephoto_BCG *ebcg, int brightness, unsigned int *image_data) { unsigned int *im_data, *im_data_new, *p1, *p2; int x, y, w, h; - int a, r, g, b, nb, ng, nr; + int a, r, g, b, bb, gg, rr; im_data = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); if (image_data) @@ -43,28 +72,19 @@ _ephoto_bcg_adjust_brightness(Ephoto_BCG *ebcg, int brightness, unsigned int *im g = (int)((*p1 >> 8) & 0xff); r = (int)((*p1 >> 16) & 0xff); a = (int)((*p1 >> 24) & 0xff); - if (a > 0 && a < 255) - { - b = b * (255 / a); - g = g * (255 / a); - r = r * (255 / a); - } - nb = (int)b+ebcg->brightness; - ng = (int)g+ebcg->brightness; - nr = (int)r+ebcg->brightness; - if (nb < 0) nb = 0; - if (nb > 255) nb = 255; - if (ng < 0) ng = 0; - if (ng > 255) ng = 255; - if (nr < 0) nr = 0; - if (nr > 255) nr = 255; - if (a > 0 && a < 255) - { - nb = (nb * a) / 255; - ng = (ng * a) / 255; - nr = (nr * a) / 255; - } - *p2 = (a << 24) | (nr << 16) | (ng << 8) | nb; + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); + bb = (int)b+ebcg->brightness; + gg = (int)g+ebcg->brightness; + rr = (int)r+ebcg->brightness; + bb = _normalize_color(bb); + gg = _normalize_color(gg); + rr = _normalize_color(rr); + bb = _demul_color_alpha(bb, a); + gg = _demul_color_alpha(gg, a); + rr = _demul_color_alpha(rr, a); + *p2 = (a << 24) | (rr << 16) | (gg << 8) | bb; p2++; p1++; } @@ -79,7 +99,7 @@ _ephoto_bcg_adjust_contrast(Ephoto_BCG *ebcg, int contrast, unsigned int *image_ { unsigned int *im_data, *im_data_new, *p1, *p2; int x, y, w, h, top, bottom; - int a, r, g, b, nb, ng, nr; + int a, r, g, b, bb, gg, rr; float factor; im_data = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); @@ -104,28 +124,19 @@ _ephoto_bcg_adjust_contrast(Ephoto_BCG *ebcg, int contrast, unsigned int *image_ g = (int)((*p1 >> 8) & 0xff); r = (int)((*p1 >> 16) & 0xff); a = (int)((*p1 >> 24) & 0xff); - if (a > 0 && a < 255) - { - b = b * (255 / a); - g = g * (255 / a); - r = r * (255 / a); - } - nb = (int)((factor * (b - 128)) + 128); - ng = (int)((factor * (g - 128)) + 128); - nr = (int)((factor * (r - 128)) + 128); - if (nb < 0) nb = 0; - if (nb > 255) nb = 255; - if (ng < 0) ng = 0; - if (ng > 255) ng = 255; - if (nr < 0) nr = 0; - if (nr > 255) nr = 255; - if (a > 0 && a < 255) - { - nb = (nb * a) / 255; - ng = (ng * a) / 255; - nr = (nr * a) / 255; - } - *p2 = (a << 24) | (nr << 16) | (ng << 8) | nb; + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); + bb = (int)((factor * (b - 128)) + 128); + gg = (int)((factor * (g - 128)) + 128); + rr = (int)((factor * (r - 128)) + 128); + bb = _normalize_color(bb); + gg = _normalize_color(gg); + rr = _normalize_color(rr); + bb = _demul_color_alpha(bb, a); + gg = _demul_color_alpha(gg, a); + rr = _demul_color_alpha(rr, a); + *p2 = (a << 24) | (rr << 16) | (gg << 8) | bb; p2++; p1++; } @@ -140,7 +151,7 @@ _ephoto_bcg_adjust_gamma(Ephoto_BCG *ebcg, double gamma, unsigned int *image_dat { unsigned int *im_data, *im_data_new, *p1, *p2; int x, y, w, h; - int a, r, g, b, nb, ng, nr; + int a, r, g, b, bb, gg, rr; im_data = malloc(sizeof(unsigned int) * ebcg->w * ebcg->h); if (image_data) @@ -161,28 +172,19 @@ _ephoto_bcg_adjust_gamma(Ephoto_BCG *ebcg, double gamma, unsigned int *image_dat g = (int)((*p1 >> 8) & 0xff); r = (int)((*p1 >> 16) & 0xff); a = (int)((*p1 >> 24) & 0xff); - if (a > 0 && a < 255) - { - b = b * (255 / a); - g = g * (255 / a); - r = r * (255 / a); - } - nb = (int)(pow(((double)b/255), ebcg->gamma) * 255); - ng = (int)(pow(((double)g/255), ebcg->gamma) * 255); - nr = (int)(pow(((double)r/255), ebcg->gamma) * 255); - if (nb < 0) nb = 0; - if (nb > 255) nb = 255; - if (ng < 0) ng = 0; - if (ng > 255) ng = 255; - if (nr < 0) nr = 0; - if (nr > 255) nr = 255; - if (a > 0 && a < 255) - { - nb = (nb * a) / 255; - ng = (ng * a) / 255; - nr = (nr * a) / 255; - } - *p2 = (a << 24) | (nr << 16) | (ng << 8) | nb; + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); + bb = (int)(pow(((double)b/255), ebcg->gamma) * 255); + gg = (int)(pow(((double)g/255), ebcg->gamma) * 255); + rr = (int)(pow(((double)r/255), ebcg->gamma) * 255); + bb = _normalize_color(bb); + gg = _normalize_color(gg); + rr = _normalize_color(rr); + bb = _demul_color_alpha(bb, a); + gg = _demul_color_alpha(gg, a); + rr = _demul_color_alpha(rr, a); + *p2 = (a << 24) | (rr << 16) | (gg << 8) | bb; p2++; p1++; } diff --git a/src/bin/ephoto_filters.c b/src/bin/ephoto_filters.c index 8c0704c..0e19bf4 100644 --- a/src/bin/ephoto_filters.c +++ b/src/bin/ephoto_filters.c @@ -1,5 +1,34 @@ #include "ephoto.h" +static int +_normalize_color(int color) +{ + if (color < 0) + return 0; + else if (color > 255) + return 255; + else + return color; +} + +static int +_mul_color_alpha(int color, int alpha) +{ + if (alpha > 0 && alpha < 255) + return (color * (255 / alpha)); + else + return color; +} + +static int +_demul_color_alpha(int color, int alpha) +{ + if (alpha > 0 && alpha < 255) + return ((color * alpha) / 255); + else + return color; +} + void ephoto_filter_blur(Evas_Object *main, Evas_Object *image) { @@ -168,12 +197,9 @@ ephoto_filter_black_and_white(Evas_Object *main, Evas_Object *image) g = (int)((im_data[i] >> 8) & 0xff); r = (int)((im_data[i] >> 16) & 0xff); a = (int)((im_data[i] >> 24) & 0xff); - if (a > 0 && a < 255) - { - b = b * (255 / a); - g = g * (255 / a); - r = r * (255 / a); - } + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); gray = (int)((0.3 * r) + (0.59 * g) + (0.11 * b)); if (a >= 0 && a < 255) gray = (gray * a) / 255; @@ -197,34 +223,89 @@ ephoto_filter_old_photo(Evas_Object *main, Evas_Object *image) g = (int)((im_data[i] >> 8) & 0xff); r = (int)((im_data[i] >> 16) & 0xff); a = (int)((im_data[i] >> 24) & 0xff); - if (a > 0 && a < 255) - { - b = b * (255 / a); - g = g * (255 / a); - r = r * (255 / a); - } + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); rr = (int)((r* .393) + (g*.769) + (b*.189)); - if (rr < 0) - rr = 0; - if (rr > 255) - rr = 255; + rr = _normalize_color(rr); gg = (int)((r* .349) + (g*.686) + (b*.168)); - if (gg < 0) - gg = 0; - if (gg > 255) - gg = 255; + gg = _normalize_color(gg); bb = (int)((r* .272) + (g*.534) + (b*.131)); - if (bb < 0) - bb = 0; - if (bb > 255) - bb = 255; - if (a >= 0 && a < 255) - { - rr = (rr * a) / 255; - gg = (gg * a) / 255; - bb = (bb * a) / 255; - } + bb = _normalize_color(bb); + bb = _demul_color_alpha(bb, a); + gg = _demul_color_alpha(gg, a); + rr = _demul_color_alpha(rr, a); im_data_new[i] = (a << 24) | (rr << 16) | (gg << 8) | bb; } ephoto_single_browser_image_data_update(main, image, EINA_TRUE, im_data_new, w, h); } + +void +ephoto_filter_histogram_eq(Evas_Object *main, Evas_Object *image) +{ + unsigned int *im_data, *im_data_new, *p1, *p2; + int x, y, w, h, i, hist[256], cdf[256]; + int a, r, g, b, bb, gg, rr, norm, total; + float hh, s, v, nv, sum; + + im_data = evas_object_image_data_get(elm_image_object_get(image), EINA_FALSE); + evas_object_image_size_get(elm_image_object_get(image), &w, &h); + im_data_new = malloc(sizeof(unsigned int) * w * h); + total = w * h; + for (i = 0; i < 256; i++) + hist[i] = 0; + for (y = 0; y < h; y++) + { + p1 = im_data + (y * w); + for (x = 0; x < w; x++) + { + b = (int)((*p1) & 0xff); + g = (int)((*p1 >> 8) & 0xff); + r = (int)((*p1 >> 16) & 0xff); + a = (int)((*p1 >> 24) & 0xff); + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); + evas_color_rgb_to_hsv(r, g, b, &hh, &s, &v); + norm = (int)round((double)v * (double)255); + hist[norm] += 1; + p1++; + } + } + sum = 0; + for (i = 0; i < 256; i++) + { + sum += ((double)hist[i] / (double)total); + cdf[i] = (int)round(sum * 255); + } + for (y = 0; y < h; y++) + { + p1 = im_data + (y * w); + p2 = im_data_new + (y * w); + for (x = 0; x < w; x++) + { + b = (int)((*p1) & 0xff); + g = (int)((*p1 >> 8) & 0xff); + r = (int)((*p1 >> 16) & 0xff); + a = (int)((*p1 >> 24) & 0xff); + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); + evas_color_rgb_to_hsv(r, g, b, &hh, &s, &v); + norm = (int)round((double)v * (double)255); + nv = (float)cdf[norm] / (float)255; + evas_color_hsv_to_rgb(hh, s, nv, &rr, &gg, &bb); + bb = _normalize_color(bb); + gg = _normalize_color(gg); + rr = _normalize_color(rr); + bb = _demul_color_alpha(bb, a); + gg = _demul_color_alpha(gg, a); + rr = _demul_color_alpha(rr, a); + *p2 = (a << 24) | (rr << 16) | (gg << 8) | bb; + p2++; + p1++; + } + } + ephoto_single_browser_image_data_update(main, image, EINA_TRUE, im_data_new, w, h); +} + diff --git a/src/bin/ephoto_hsv.c b/src/bin/ephoto_hsv.c index b019e10..17e01ee 100644 --- a/src/bin/ephoto_hsv.c +++ b/src/bin/ephoto_hsv.c @@ -17,12 +17,41 @@ struct _Ephoto_HSV unsigned int *original_im_data; }; +static int +_normalize_color(int color) +{ + if (color < 0) + return 0; + else if (color > 255) + return 255; + else + return color; +} + +static int +_mul_color_alpha(int color, int alpha) +{ + if (alpha > 0 && alpha < 255) + return (color * (255 / alpha)); + else + return color; +} + +static int +_demul_color_alpha(int color, int alpha) +{ + if (alpha > 0 && alpha < 255) + return ((color * alpha) / 255); + else + return color; +} + unsigned int * _ephoto_hsv_adjust_hue(Ephoto_HSV *ehsv, double hue, unsigned int *image_data) { unsigned int *im_data, *im_data_new, *p1, *p2; int x, y, w, h; - int a, r, g, b, nb, ng, nr; + int a, r, g, b, bb, gg, rr; float hh, s, v; im_data = malloc(sizeof(unsigned int) * ehsv->w * ehsv->h); @@ -43,32 +72,23 @@ _ephoto_hsv_adjust_hue(Ephoto_HSV *ehsv, double hue, unsigned int *image_data) g = (int)((*p1 >> 8) & 0xff); r = (int)((*p1 >> 16) & 0xff); a = (int)((*p1 >> 24) & 0xff); - if (a > 0 && a < 255) - { - b = b * (255 / a); - g = g * (255 / a); - r = r * (255 / a); - } + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); evas_color_rgb_to_hsv(r, g, b, &hh, &s, &v); hh += hue; if (hh < 0) hh += 360; if (hh > 360) hh -= 360; - evas_color_hsv_to_rgb(hh, s, v, &nr, &ng, &nb); - if (nb < 0) nb = 0; - if (nb > 255) nb = 255; - if (ng < 0) ng = 0; - if (ng > 255) ng = 255; - if (nr < 0) nr = 0; - if (nr > 255) nr = 255; - if (a > 0 && a < 255) - { - nb = (nb * a) / 255; - ng = (ng * a) / 255; - nr = (nr * a) / 255; - } - *p2 = (a << 24) | (nr << 16) | (ng << 8) | nb; + evas_color_hsv_to_rgb(hh, s, v, &rr, &gg, &bb); + bb = _normalize_color(bb); + gg = _normalize_color(gg); + rr = _normalize_color(rr); + bb = _demul_color_alpha(bb, a); + gg = _demul_color_alpha(gg, a); + rr = _demul_color_alpha(rr, a); + *p2 = (a << 24) | (rr << 16) | (gg << 8) | bb; p2++; p1++; } @@ -84,7 +104,7 @@ _ephoto_hsv_adjust_saturation(Ephoto_HSV *ehsv, double saturation, unsigned int { unsigned int *im_data, *im_data_new, *p1, *p2; int x, y, w, h; - int a, r, g, b, nb, ng, nr; + int a, r, g, b, bb, gg, rr; float hh, s, v; im_data = malloc(sizeof(unsigned int) * ehsv->w * ehsv->h); @@ -105,32 +125,23 @@ _ephoto_hsv_adjust_saturation(Ephoto_HSV *ehsv, double saturation, unsigned int g = (int)((*p1 >> 8) & 0xff); r = (int)((*p1 >> 16) & 0xff); a = (int)((*p1 >> 24) & 0xff); - if (a > 0 && a < 255) - { - b = b * (255 / a); - g = g * (255 / a); - r = r * (255 / a); - } + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); evas_color_rgb_to_hsv(r, g, b, &hh, &s, &v); s += s*((float)saturation / 100); if (s < 0) s = 0; if (s > 1) s = 1; - evas_color_hsv_to_rgb(hh, s, v, &nr, &ng, &nb); - if (nb < 0) nb = 0; - if (nb > 255) nb = 255; - if (ng < 0) ng = 0; - if (ng > 255) ng = 255; - if (nr < 0) nr = 0; - if (nr > 255) nr = 255; - if (a > 0 && a < 255) - { - nb = (nb * a) / 255; - ng = (ng * a) / 255; - nr = (nr * a) / 255; - } - *p2 = (a << 24) | (nr << 16) | (ng << 8) | nb; + evas_color_hsv_to_rgb(hh, s, v, &rr, &gg, &bb); + bb = _normalize_color(bb); + gg = _normalize_color(gg); + rr = _normalize_color(rr); + bb = _demul_color_alpha(bb, a); + gg = _demul_color_alpha(gg, a); + rr = _demul_color_alpha(rr, a); + *p2 = (a << 24) | (rr << 16) | (gg << 8) | bb; p2++; p1++; } @@ -146,7 +157,7 @@ _ephoto_hsv_adjust_value(Ephoto_HSV *ehsv, double value, unsigned int *image_dat { unsigned int *im_data, *im_data_new, *p1, *p2; int x, y, w, h; - int a, r, g, b, nb, ng, nr; + int a, r, g, b, bb, gg, rr; float hh, s, v; im_data = malloc(sizeof(unsigned int) * ehsv->w * ehsv->h); @@ -167,32 +178,23 @@ _ephoto_hsv_adjust_value(Ephoto_HSV *ehsv, double value, unsigned int *image_dat g = (int)((*p1 >> 8) & 0xff); r = (int)((*p1 >> 16) & 0xff); a = (int)((*p1 >> 24) & 0xff); - if (a > 0 && a < 255) - { - b = b * (255 / a); - g = g * (255 / a); - r = r * (255 / a); - } + b = _mul_color_alpha(b, a); + g = _mul_color_alpha(g, a); + r = _mul_color_alpha(r, a); evas_color_rgb_to_hsv(r, g, b, &hh, &s, &v); v += (v*((float)value/100)); if (v < 0) v = 0; if (v > 1) v = 1; - evas_color_hsv_to_rgb(hh, s, v, &nr, &ng, &nb); - if (nb < 0) nb = 0; - if (nb > 255) nb = 255; - if (ng < 0) ng = 0; - if (ng > 255) ng = 255; - if (nr < 0) nr = 0; - if (nr > 255) nr = 255; - if (a > 0 && a < 255) - { - nb = (nb * a) / 255; - ng = (ng * a) / 255; - nr = (nr * a) / 255; - } - *p2 = (a << 24) | (nr << 16) | (ng << 8) | nb; + evas_color_hsv_to_rgb(hh, s, v, &rr, &gg, &bb); + bb = _normalize_color(bb); + gg = _normalize_color(gg); + rr = _normalize_color(rr); + bb = _demul_color_alpha(bb, a); + gg = _demul_color_alpha(gg, a); + rr = _demul_color_alpha(rr, a); + *p2 = (a << 24) | (rr << 16) | (gg << 8) | bb; p2++; p1++; } diff --git a/src/bin/ephoto_single_browser.c b/src/bin/ephoto_single_browser.c index 82cecf2..f2e5910 100644 --- a/src/bin/ephoto_single_browser.c +++ b/src/bin/ephoto_single_browser.c @@ -1209,6 +1209,20 @@ _go_hsv(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED) } } +static void +_go_auto_eq(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED) +{ + Ephoto_Single_Browser *sb = data; + if (sb->viewer) + { + sb->editing = EINA_TRUE; + elm_object_disabled_set(sb->bar, EINA_TRUE); + evas_object_freeze_events_set(sb->bar, EINA_TRUE); + Ephoto_Viewer *v = evas_object_data_get(sb->viewer, "viewer"); + ephoto_filter_histogram_eq(sb->main, v->image); + } +} + static void _go_blur(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED) { @@ -1464,6 +1478,7 @@ ephoto_single_browser_add(Ephoto *ephoto, Evas_Object *parent) elm_menu_item_add(menu, menu_it, "insert-image", _("Brightness/Contrast/Gamma"), _go_bcg, sb); elm_menu_item_add(menu, menu_it, "insert-image", _("Hue/Saturation/Value"), _go_hsv, sb); menu_it = elm_menu_item_add(menu, NULL, "document-properties", _("Filters"), NULL, NULL); + elm_menu_item_add(menu, menu_it, "insert-image", _("Auto Equalize"), _go_auto_eq, sb); elm_menu_item_add(menu, menu_it, "insert-image", _("Black and White"), _go_black_and_white, sb); elm_menu_item_add(menu, menu_it, "insert-image", _("Old Photo"), _go_old_photo, sb); /*FIXME: Use separators once they don't mess up homogeneous toolbar*/ @@ -1536,9 +1551,13 @@ ephoto_single_browser_entry_set(Evas_Object *obj, Ephoto_Entry *entry) ephoto_entry_free_listener_add(entry, _entry_free, sb); _ephoto_single_browser_recalc(sb); - sb->edited_image_data = NULL; - sb->ew = 0; - sb->eh = 0; + if (sb->edited_image_data) + { + free(sb->edited_image_data); + sb->edited_image_data = NULL; + sb->ew = 0; + sb->eh = 0; + } if (sb->viewer) _zoom_fit(sb); }