269 lines
7.1 KiB
C
269 lines
7.1 KiB
C
#include "ephoto.h"
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typedef struct _Ephoto_Reye Ephoto_Reye;
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struct _Ephoto_Reye
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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 *rslider;
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Eina_List *handlers;
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int rad;
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Evas_Coord w, h;
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unsigned int *original_im_data;
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unsigned int *edited_im_data;
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};
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static int
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_normalize_color(int color)
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{
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if (color < 0)
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return 0;
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else if (color > 255)
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return 255;
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else
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return color;
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}
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static int
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_mul_color_alpha(int color, int alpha)
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{
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if (alpha > 0 && alpha < 255)
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return color * (255 / alpha);
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else
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return color;
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}
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static int
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_demul_color_alpha(int color, int alpha)
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{
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if (alpha > 0 && alpha < 255)
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return (color * alpha) / 255;
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else
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return color;
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}
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static void
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_reye_clicked(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED,
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void *event_data EINA_UNUSED)
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{
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Ephoto_Reye *er = data;
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unsigned int *im_data, *p1;
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Evas_Coord imx, imy, imw, imh;
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Evas_Coord xpos, ypos, xadj, yadj, nx, ny;
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Evas_Coord xx, yy, nnx, nny;
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int a, r, g, b;
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double scalex, scaley;
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evas_pointer_canvas_xy_get(evas_object_evas_get(er->image), &xpos, &ypos);
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evas_object_geometry_get(er->image, &imx, &imy, &imw, &imh);
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xadj = xpos-imx;
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yadj = ypos-imy;
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if (xadj < 0) xadj = 0;
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if (yadj < 0) yadj = 0;
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scalex = (double) (xadj) / (double) imw;
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scaley = (double) (yadj) / (double) imh;
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nx = er->w * scalex;
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ny = er->h * scaley;
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if (nx < 0) nx = 0;
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if (ny < 0) ny = 0;
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im_data = malloc(sizeof(unsigned int) * er->w * er->h);
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if (er->edited_im_data)
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memcpy(im_data, er->edited_im_data,
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sizeof(unsigned int) * er->w * er->h);
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else
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memcpy(im_data, er->original_im_data,
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sizeof(unsigned int) * er->w * er->h);
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for (yy = -er->rad; yy <= er->rad; yy++)
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{
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for (xx = -er->rad; xx <= er->rad; xx++)
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{
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if ((xx * xx) + (yy * yy) <= (er->rad * er->rad))
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{
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nnx = nx + xx;
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nny = ny + yy;
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p1 = im_data + (nny * er->w) + nnx;
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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 = _mul_color_alpha(b, a);
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g = _mul_color_alpha(g, a);
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r = _mul_color_alpha(r, a);
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r = (int) ((g+b)/2);
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b = _normalize_color(b);
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g = _normalize_color(g);
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r = _normalize_color(r);
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b = _demul_color_alpha(b, a);
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g = _demul_color_alpha(g, a);
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r = _demul_color_alpha(r, a);
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*p1 = (a << 24) | (r << 16) | (g << 8) | b;
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}
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}
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}
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er->edited_im_data = im_data;
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ephoto_single_browser_image_data_update(er->main, er->image,
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im_data, er->w, er->h);
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}
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static void
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_radius_slider_changed(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
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{
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Ephoto_Reye *er = data;
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er->rad = elm_slider_value_get(obj);
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}
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static Eina_Bool
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_reye_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_Reye *er = data;
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elm_slider_value_set(er->rslider, 15);
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er->rad = 15;
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if (er->edited_im_data)
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{
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free(er->edited_im_data);
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er->edited_im_data = NULL;
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}
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ephoto_single_browser_image_data_update(er->main, er->image,
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er->original_im_data, er->w, er->h);
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_reye_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_Reye *er = data;
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unsigned int *image_data;
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Evas_Coord w, h;
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image_data =
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evas_object_image_data_get(elm_image_object_get(er->image),
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EINA_FALSE);
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evas_object_image_size_get(elm_image_object_get(er->image), &w, &h);
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ephoto_single_browser_image_data_done(er->main, image_data, w, h);
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ephoto_editor_del(er->editor);
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return ECORE_CALLBACK_PASS_ON;
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}
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static Eina_Bool
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_reye_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_Reye *er = data;
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elm_slider_value_set(er->rslider, 15);
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er->rad = 15;
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ephoto_single_browser_cancel_editing(er->main);
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if (er->edited_im_data)
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{
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free(er->edited_im_data);
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er->edited_im_data = NULL;
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}
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ephoto_editor_del(er->editor);
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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_Reye *er = data;
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Ecore_Event_Handler *handler;
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evas_object_event_callback_del(er->image, EVAS_CALLBACK_MOUSE_UP, _reye_clicked);
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EINA_LIST_FREE(er->handlers, handler)
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ecore_event_handler_del(handler);
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free(er->original_im_data);
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free(er);
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}
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void
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ephoto_red_eye_add(Evas_Object *main, Evas_Object *parent, Evas_Object *image)
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{
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Evas_Object *slider, *label;
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Ephoto_Reye *er;
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unsigned int *im_data;
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EINA_SAFETY_ON_NULL_GOTO(image, error);
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er = calloc(1, sizeof(Ephoto_Reye));
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EINA_SAFETY_ON_NULL_GOTO(er, error);
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er->rad = 15;
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er->main = main;
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er->parent = parent;
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er->image = image;
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im_data =
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evas_object_image_data_get(elm_image_object_get(er->image),
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EINA_FALSE);
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evas_object_image_size_get(elm_image_object_get(er->image), &er->w,
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&er->h);
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er->original_im_data = malloc(sizeof(unsigned int) * er->w * er->h);
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memcpy(er->original_im_data, im_data,
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sizeof(unsigned int) * er->w * er->h);
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evas_object_event_callback_add(er->image, EVAS_CALLBACK_MOUSE_UP,
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_reye_clicked, er);
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er->editor = ephoto_editor_add(parent, _("Red Eye Removal"),
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"ereye", er);
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evas_object_event_callback_add(er->editor, EVAS_CALLBACK_DEL, _editor_del,
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er);
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slider = elm_slider_add(er->editor);
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elm_object_text_set(slider, _("Radius"));
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elm_slider_min_max_set(slider, 5, 50);
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elm_slider_step_set(slider, 1);
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elm_slider_value_set(slider, 15);
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elm_slider_unit_format_set(slider, "%1.0f");
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evas_object_size_hint_weight_set(slider, EVAS_HINT_EXPAND, EVAS_HINT_FILL);
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evas_object_size_hint_align_set(slider, EVAS_HINT_FILL, 0.5);
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evas_object_smart_callback_add(slider, "delay,changed",
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_radius_slider_changed, er);
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elm_box_pack_start(er->editor, slider);
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evas_object_show(slider);
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er->rslider = slider;
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label = elm_label_add(er->editor);
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elm_object_text_set(label, _("<b>Click on an eye</b>"));
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evas_object_size_hint_weight_set(label, EVAS_HINT_EXPAND, EVAS_HINT_FILL);
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evas_object_size_hint_align_set(label, EVAS_HINT_FILL, 0.5);
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elm_box_pack_start(er->editor, label);
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evas_object_show(label);
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er->handlers =
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eina_list_append(er->handlers,
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_RESET,
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_reye_reset, er));
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er->handlers =
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eina_list_append(er->handlers,
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_APPLY,
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_reye_apply, er));
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er->handlers =
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eina_list_append(er->handlers,
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_CANCEL,
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_reye_cancel, er));
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return;
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error:
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return;
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}
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