320 lines
9.8 KiB
C
320 lines
9.8 KiB
C
#include "ephoto.h"
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typedef struct _Ephoto_Color Ephoto_Color;
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struct _Ephoto_Color
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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 *gslider;
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Evas_Object *rslider;
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Eina_List *handlers;
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int blue;
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int green;
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int red;
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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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typedef enum _Ephoto_Color_Adjust Ephoto_Color_Adjust;
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enum _Ephoto_Color_Adjust
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{
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EPHOTO_COLOR_ADJUST_RED,
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EPHOTO_COLOR_ADJUST_GREEN,
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EPHOTO_COLOR_ADJUST_BLUE
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};
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unsigned int *
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_ephoto_apply_color_adjustment(Ephoto_Color *eco, unsigned int *image_data,
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int adjust, Ephoto_Color_Adjust color)
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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, cc;
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im_data = malloc(sizeof(unsigned int) * eco->w * eco->h);
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if (image_data)
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memcpy(im_data, image_data, sizeof(unsigned int) * eco->w * eco->h);
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else
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memcpy(im_data, eco->original_im_data,
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sizeof(unsigned int) * eco->w * eco->h);
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im_data_new = malloc(sizeof(unsigned int) * eco->w * eco->h);
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for (y = 0; y < eco->h; y++)
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{
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p1 = im_data + (y * eco->w);
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p2 = im_data_new + (y * eco->w);
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for (x = 0; x < eco->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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switch (color)
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{
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case EPHOTO_COLOR_ADJUST_RED:
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eco->red = adjust;
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cc = (int)r + eco->red;
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r = cc;
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break;
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case EPHOTO_COLOR_ADJUST_BLUE:
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eco->blue = adjust;
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cc = (int)b + eco->blue;
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b = cc;
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break;
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case EPHOTO_COLOR_ADJUST_GREEN:
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eco->green = adjust;
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cc = (int)g + eco->green;
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g = cc;
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break;
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default:
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break;
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}
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b = ephoto_normalize_color(b);
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g = ephoto_normalize_color(g);
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r = ephoto_normalize_color(r);
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b = ephoto_demul_color_alpha(b, a);
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g = ephoto_demul_color_alpha(g, a);
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r = ephoto_demul_color_alpha(r, a);
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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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ephoto_single_browser_image_data_update(eco->main, eco->image,
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im_data_new, eco->w, eco->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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_red_slider_changed(void *data, Evas_Object *obj, void *event_info EINA_UNUSED)
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{
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Ephoto_Color *eco = data;
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int red;
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unsigned int *image_data, *image_data_two;
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red = elm_slider_value_get(obj);
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image_data = _ephoto_apply_color_adjustment(eco, NULL, red,
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EPHOTO_COLOR_ADJUST_RED);
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image_data_two = _ephoto_apply_color_adjustment(eco, image_data, eco->green,
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EPHOTO_COLOR_ADJUST_GREEN);
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_ephoto_apply_color_adjustment(eco, image_data_two, eco->blue,
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EPHOTO_COLOR_ADJUST_BLUE);
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}
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static void
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_green_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_Color *eco = data;
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int green;
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unsigned int *image_data, *image_data_two;
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green = elm_slider_value_get(obj);
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image_data = _ephoto_apply_color_adjustment(eco, NULL, green,
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EPHOTO_COLOR_ADJUST_GREEN);
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image_data_two = _ephoto_apply_color_adjustment(eco, image_data, eco->red,
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EPHOTO_COLOR_ADJUST_RED);
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_ephoto_apply_color_adjustment(eco, image_data_two, eco->blue,
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EPHOTO_COLOR_ADJUST_BLUE);
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}
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static void
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_blue_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_Color *eco = data;
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int blue;
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unsigned int *image_data, *image_data_two;
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blue = elm_slider_value_get(obj);
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image_data = _ephoto_apply_color_adjustment(eco, NULL, blue,
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EPHOTO_COLOR_ADJUST_BLUE);
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image_data_two = _ephoto_apply_color_adjustment(eco, image_data, eco->red,
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EPHOTO_COLOR_ADJUST_RED);
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_ephoto_apply_color_adjustment(eco, image_data_two, eco->green,
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EPHOTO_COLOR_ADJUST_GREEN);
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}
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static Eina_Bool
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_color_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_Color *eco = data;
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elm_slider_value_set(eco->rslider, 0);
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elm_slider_value_set(eco->gslider, 0);
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elm_slider_value_set(eco->bslider, 0);
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eco->red = 0;
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eco->green = 0;
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eco->blue = 0;
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_red_slider_changed(eco, eco->rslider, 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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_color_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_Color *eco = 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(eco->rslider) == 0 &&
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elm_slider_value_get(eco->gslider) == 0 &&
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elm_slider_value_get(eco->bslider) == 0)
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{
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ephoto_single_browser_cancel_editing(eco->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(eco->image, EINA_FALSE);
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evas_object_image_size_get(eco->image, &w, &h);
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ephoto_single_browser_image_data_done(eco->main, image_data, w, h);
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}
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ephoto_editor_del(eco->editor, eco->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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_color_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_Color *eco = data;
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elm_slider_value_set(eco->rslider, 0);
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elm_slider_value_set(eco->gslider, 0);
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elm_slider_value_set(eco->bslider, 0);
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eco->red = 0;
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eco->green = 0;
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eco->blue = 0;
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_red_slider_changed(eco, eco->rslider, NULL);
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ephoto_single_browser_cancel_editing(eco->main);
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ephoto_editor_del(eco->editor, eco->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_Color *eco = data;
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Ecore_Event_Handler *handler;
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EINA_LIST_FREE(eco->handlers, handler)
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ecore_event_handler_del(handler);
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free(eco->original_im_data);
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free(eco);
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}
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void
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ephoto_color_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_Color *eco;
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unsigned int *im_data;
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EINA_SAFETY_ON_NULL_GOTO(image, error);
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eco = calloc(1, sizeof(Ephoto_Color));
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EINA_SAFETY_ON_NULL_GOTO(eco, error);
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eco->red = 0;
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eco->green = 0;
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eco->blue = 0;
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eco->main = main;
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eco->parent = parent;
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eco->image = image;
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im_data =
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evas_object_image_data_get(eco->image,
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EINA_FALSE);
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evas_object_image_size_get(eco->image, &eco->w,
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&eco->h);
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eco->original_im_data = malloc(sizeof(unsigned int) * eco->w * eco->h);
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memcpy(eco->original_im_data, im_data,
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sizeof(unsigned int) * eco->w * eco->h);
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eco->editor = ephoto_editor_add(ephoto, parent, _("Adjust Color Levels"),
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"eco", eco);
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evas_object_event_callback_add(eco->editor, EVAS_CALLBACK_DEL, _editor_del,
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eco);
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slider = elm_slider_add(eco->editor);
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elm_object_text_set(slider, _("Blue"));
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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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_blue_slider_changed, eco);
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elm_box_pack_start(eco->editor, slider);
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evas_object_show(slider);
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eco->bslider = slider;
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slider = elm_slider_add(eco->editor);
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elm_object_text_set(slider, _("Green"));
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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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_green_slider_changed, eco);
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elm_box_pack_start(eco->editor, slider);
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evas_object_show(slider);
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eco->gslider = slider;
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slider = elm_slider_add(eco->editor);
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elm_object_text_set(slider, _("Red"));
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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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_red_slider_changed, eco);
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elm_box_pack_start(eco->editor, slider);
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evas_object_show(slider);
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eco->rslider = slider;
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eco->handlers =
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eina_list_append(eco->handlers,
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_RESET,
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_color_reset, eco));
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eco->handlers =
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eina_list_append(eco->handlers,
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_APPLY,
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_color_apply, eco));
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eco->handlers =
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eina_list_append(eco->handlers,
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ecore_event_handler_add(EPHOTO_EVENT_EDITOR_CANCEL,
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_color_cancel, eco));
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return;
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error:
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return;
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}
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