393 lines
13 KiB
C
393 lines
13 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 *frame;
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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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int blue;
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int green;
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int red;
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int w, h;
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unsigned int *original_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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unsigned int *
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_ephoto_color_adjust_red(Ephoto_Color *eco, int red, 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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int x, y, w, h;
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int a, r, g, b, rr;
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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, sizeof(unsigned int) * eco->w * eco->h);
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eco->red = red;
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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 = _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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rr = (int)r+eco->red;
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b = _normalize_color(b);
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g = _normalize_color(g);
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rr = _normalize_color(rr);
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b = _demul_color_alpha(b, a);
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g = _demul_color_alpha(g, a);
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rr = _demul_color_alpha(rr, a);
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*p2 = (a << 24) | (rr << 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, EINA_FALSE, 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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unsigned int *
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_ephoto_color_adjust_green(Ephoto_Color *eco, int green, 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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int x, y, w, h;
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int a, r, g, b, gg;
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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, sizeof(unsigned int) * eco->w * eco->h);
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eco->green = green;
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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 = _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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gg = (int)g+eco->green;
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b = _normalize_color(b);
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gg = _normalize_color(gg);
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r = _normalize_color(r);
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b = _demul_color_alpha(b, a);
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gg = _demul_color_alpha(gg, a);
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r = _demul_color_alpha(r, a);
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*p2 = (a << 24) | (r << 16) | (gg << 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, EINA_FALSE, 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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unsigned int *
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_ephoto_color_adjust_blue(Ephoto_Color *eco, int blue, 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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int x, y, w, h;
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int a, r, g, b, bb;
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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, sizeof(unsigned int) * eco->w * eco->h);
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eco->blue = blue;
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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 = _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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bb = (int)b+eco->blue;
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bb = _normalize_color(bb);
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g = _normalize_color(g);
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r = _normalize_color(r);
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bb = _demul_color_alpha(bb, 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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*p2 = (a << 24) | (r << 16) | (g << 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(eco->main, eco->image, EINA_FALSE, 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, *image_data_three;
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red = elm_slider_value_get(obj);
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image_data = _ephoto_color_adjust_red(eco, red, NULL);
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image_data_two = _ephoto_color_adjust_green(eco, eco->green, image_data);
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image_data_three = _ephoto_color_adjust_blue(eco, eco->blue, image_data_two);
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}
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static void
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_green_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 green;
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unsigned int *image_data, *image_data_two, *image_data_three;
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green = elm_slider_value_get(obj);
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image_data = _ephoto_color_adjust_green(eco, green, NULL);
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image_data_two = _ephoto_color_adjust_red(eco, eco->red, image_data);
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image_data_three = _ephoto_color_adjust_blue(eco, eco->blue, image_data_two);
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}
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static void
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_blue_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 blue;
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unsigned int *image_data, *image_data_two, *image_data_three;
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blue = elm_slider_value_get(obj);
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image_data = _ephoto_color_adjust_blue(eco, blue, NULL);
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image_data_two = _ephoto_color_adjust_red(eco, eco->red, image_data);
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image_data_three = _ephoto_color_adjust_green(eco, eco->green, image_data_two);
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}
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static void
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_color_reset(void *data, Evas_Object *obj EINA_UNUSED, 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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}
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static void
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_color_apply(void *data, Evas_Object *obj EINA_UNUSED, 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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int w, h;
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image_data = evas_object_image_data_get(elm_image_object_get(eco->image), EINA_FALSE);
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evas_object_image_size_get(elm_image_object_get(eco->image), &w, &h);
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ephoto_single_browser_image_data_update(eco->main, eco->image, EINA_TRUE, image_data, w, h);
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evas_object_del(eco->frame);
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}
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static void
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_color_cancel(void *data, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Ephoto_Color *eco = data;
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ephoto_single_browser_cancel_editing(eco->main, eco->image);
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evas_object_del(eco->frame);
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}
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static void
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_frame_del(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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Ephoto_Color *eco = data;
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free(eco->original_im_data);
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free(eco);
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}
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void ephoto_color_add(Evas_Object *main, Evas_Object *parent, Evas_Object *image)
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{
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Evas_Object *win, *box, *slider, *ic, *button;
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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 = evas_object_image_data_get(elm_image_object_get(eco->image), EINA_FALSE);
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evas_object_image_size_get(elm_image_object_get(eco->image), &eco->w, &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, sizeof(unsigned int) * eco->w * eco->h);
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eco->frame = elm_frame_add(parent);
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elm_object_text_set(eco->frame, _("Adjust Color Levels"));
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evas_object_size_hint_weight_set(eco->frame, 0.3, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(eco->frame, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(parent, eco->frame);
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evas_object_data_set(eco->frame, "eco", eco);
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evas_object_event_callback_add(eco->frame, EVAS_CALLBACK_DEL, _frame_del, eco);
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evas_object_show(eco->frame);
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box = elm_box_add(eco->frame);
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elm_box_horizontal_set(box, EINA_FALSE);
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evas_object_size_hint_weight_set(box, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_align_set(box, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_object_content_set(eco->frame, box);
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evas_object_show(box);
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slider = elm_slider_add(box);
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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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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", _red_slider_changed, eco);
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elm_box_pack_end(box, slider);
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evas_object_show(slider);
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eco->rslider = slider;
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slider = elm_slider_add(box);
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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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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", _green_slider_changed, eco);
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elm_box_pack_end(box, slider);
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evas_object_show(slider);
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eco->gslider = slider;
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slider = elm_slider_add(box);
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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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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", _blue_slider_changed, eco);
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elm_box_pack_end(box, slider);
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evas_object_show(slider);
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eco->bslider = slider;
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ic = elm_icon_add(box);
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elm_icon_order_lookup_set(ic, ELM_ICON_LOOKUP_FDO_THEME);
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evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
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elm_icon_standard_set(ic, "edit-undo");
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button = elm_button_add(box);
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elm_object_text_set(button, _("Reset"));
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elm_object_part_content_set(button, "icon", ic);
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evas_object_smart_callback_add(button, "clicked", _color_reset, eco);
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evas_object_size_hint_weight_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_size_hint_align_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(box, button);
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evas_object_show(button);
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ic = elm_icon_add(box);
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elm_icon_order_lookup_set(ic, ELM_ICON_LOOKUP_FDO_THEME);
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evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
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elm_icon_standard_set(ic, "document-save");
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button = elm_button_add(box);
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elm_object_text_set(button, _("Apply"));
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elm_object_part_content_set(button, "icon", ic);
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evas_object_smart_callback_add(button, "clicked", _color_apply, eco);
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evas_object_size_hint_weight_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_size_hint_align_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(box, button);
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evas_object_show(button);
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ic = elm_icon_add(box);
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elm_icon_order_lookup_set(ic, ELM_ICON_LOOKUP_FDO_THEME);
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evas_object_size_hint_aspect_set(ic, EVAS_ASPECT_CONTROL_VERTICAL, 1, 1);
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elm_icon_standard_set(ic, "window-close");
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button = elm_button_add(box);
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elm_object_text_set(button, _("Cancel"));
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elm_object_part_content_set(button, "icon", ic);
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evas_object_smart_callback_add(button, "clicked", _color_cancel, eco);
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evas_object_size_hint_weight_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
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evas_object_size_hint_align_set(button, EVAS_HINT_FILL, EVAS_HINT_FILL);
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elm_box_pack_end(box, button);
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evas_object_show(button);
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return;
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error:
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return;
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}
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