forked from enlightenment/ephoto
Ephoto: Add emboss filter
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@ -151,6 +151,7 @@ void ephoto_filter_posterize(Evas_Object *main, Evas_Object *image);
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void ephoto_filter_sketch(Evas_Object *main, Evas_Object *image);
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void ephoto_filter_invert(Evas_Object *main, Evas_Object *image);
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void ephoto_filter_edge(Evas_Object *main, Evas_Object *image);
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void ephoto_filter_emboss(Evas_Object *main, Evas_Object *image);
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void ephoto_filter_histogram_eq(Evas_Object *main, Evas_Object *image);
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/*file functions*/
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@ -7,6 +7,7 @@ enum _Ephoto_Image_Filter
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{
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EPHOTO_IMAGE_FILTER_BLUR,
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EPHOTO_IMAGE_FILTER_DITHER,
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EPHOTO_IMAGE_FILTER_EMBOSS,
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EPHOTO_IMAGE_FILTER_EQUALIZE,
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EPHOTO_IMAGE_FILTER_GRAYSCALE,
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EPHOTO_IMAGE_FILTER_INVERT,
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@ -1043,6 +1044,66 @@ _sobel(void *data)
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return EINA_FALSE;
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}
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static Eina_Bool
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_emboss(void *data)
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{
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Ephoto_Filter *ef = data;
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Evas_Coord x, y, w, h;
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int i, j, passes = 0;
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unsigned int *p;
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float emboss[3][3] = {{1, 1, 1},
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{1, -2, 1},
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{-1, -1, -1}};
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w = ef->w;
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h = ef->h;
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for (y = ef->pos; y < h; y++)
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{
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p = ef->im_data_new + (y * w);
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for (x = 0; x < w; x++)
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{
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int a, r, g , b;
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int aa = 0, rr = 0, gg = 0, bb = 0;
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if (y > 0 && x > 0 && y < (h - 2) && x < (w - 2))
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{
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for (i = -1; i <= 1; i++)
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{
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for (j = -1; j <= 1; j++)
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{
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int index, pix;
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index = (y + i) * w + x + j;
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pix = ef->im_data[index];
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bb += (int) ((pix) & 0xff) *
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emboss[i+1][j+1];
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gg += (int) ((pix >> 8) & 0xff) *
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emboss[i+1][j+1];
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rr += (int) ((pix >> 16) & 0xff) *
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emboss[i+1][j+1];
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}
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}
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}
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bb += 127;
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gg += 127;
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rr += 127;
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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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a = (*p >> 24) & 0xff;
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*p = (a << 24) | (rr << 16) | (gg << 8) | bb;
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p++;
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}
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passes++;
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if (passes == 500)
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{
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ef->pos = y++;
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return EINA_TRUE;
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}
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}
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_idler_finishing_cb(ef, EINA_FALSE);
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return EINA_FALSE;
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}
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static Eina_Bool
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_histogram_eq(void *data)
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{
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@ -1258,6 +1319,15 @@ void ephoto_filter_edge(Evas_Object *main, Evas_Object *image)
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ef->idler = ecore_idler_add(_blur, ef);
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}
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void ephoto_filter_emboss(Evas_Object *main, Evas_Object *image)
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{
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Ephoto_Filter *ef = _initialize_filter(EPHOTO_IMAGE_FILTER_EMBOSS,
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main, image);
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ef->popup = _processing(main);
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ef->idler = ecore_idler_add(_emboss, ef);
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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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@ -1256,6 +1256,21 @@ _go_edge(void *data, Evas_Object *obj EINA_UNUSED,
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}
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}
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static void
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_go_emboss(void *data, Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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{
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Ephoto_Single_Browser *sb = data;
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if (sb->viewer)
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{
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sb->editing = EINA_TRUE;
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Ephoto_Viewer *v = evas_object_data_get(sb->viewer, "viewer");
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ephoto_filter_emboss(sb->main, v->image);
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}
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}
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static void
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_image_changed(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
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void *event_info EINA_UNUSED)
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@ -1503,6 +1518,8 @@ _add_edit_menu_items(Ephoto_Single_Browser *sb, Evas_Object *menu)
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_go_dither, sb);
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elm_menu_item_add(menu, menu_itt, "insert-image", _("Edge Detect"),
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_go_edge, sb);
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elm_menu_item_add(menu, menu_itt, "insert-image", _("Emboss"),
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_go_emboss, sb);
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elm_menu_item_add(menu, menu_itt, "insert-image", _("Invert Colors"),
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_go_invert, sb);
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elm_menu_item_add(menu, menu_itt, "insert-image", _("Old Photo"),
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