320 lines
8.1 KiB
C
320 lines
8.1 KiB
C
#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)
|
|
{
|
|
unsigned int *im_data, *im_data_new, *p1, *p2;
|
|
int rad = 3;
|
|
Evas_Coord x, y, w, h, mx, my, mw, mh, mt, xx, yy;
|
|
int a, r, g, b;
|
|
int *as, *rs, *gs, *bs;
|
|
|
|
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);
|
|
as = malloc(sizeof(int) * w);
|
|
rs = malloc(sizeof(int) * w);
|
|
gs = malloc(sizeof(int) * w);
|
|
bs = malloc(sizeof(int) * w);
|
|
|
|
for (y = 0; y < h; y++)
|
|
{
|
|
my = y - rad;
|
|
mh = (rad << 1) + 1;
|
|
if (my < 0)
|
|
{
|
|
mh += my;
|
|
my = 0;
|
|
}
|
|
if ((my + mh) > h)
|
|
{
|
|
mh = h - my;
|
|
}
|
|
p1 = im_data_new + (y * w);
|
|
memset(as, 0, w * sizeof(int));
|
|
memset(rs, 0, w * sizeof(int));
|
|
memset(gs, 0, w * sizeof(int));
|
|
memset(bs, 0, w * sizeof(int));
|
|
|
|
for (yy = 0; yy < mh; yy++)
|
|
{
|
|
p2 = im_data + ((yy + my) * w);
|
|
for (x = 0; x < w; x++)
|
|
{
|
|
as[x] += (*p2 >> 24) & 0xff;
|
|
rs[x] += (*p2 >> 16) & 0xff;
|
|
gs[x] += (*p2 >> 8) & 0xff;
|
|
bs[x] += *p2 & 0xff;
|
|
p2++;
|
|
}
|
|
}
|
|
if (w > ((rad << 1) + 1))
|
|
{
|
|
for (x = 0; x < w; x++)
|
|
{
|
|
a = 0;
|
|
r = 0;
|
|
g = 0;
|
|
b = 0;
|
|
mx = x - rad;
|
|
mw = (rad << 1) + 1;
|
|
if (mx < 0)
|
|
{
|
|
mw += mx;
|
|
mx = 0;
|
|
}
|
|
if ((mx + mw) > w)
|
|
{
|
|
mw = w - mx;
|
|
}
|
|
mt = mw * mh;
|
|
for (xx = mx; xx < (mw + mx); xx++)
|
|
{
|
|
a += as[xx];
|
|
r += rs[xx];
|
|
g += gs[xx];
|
|
b += bs[xx];
|
|
}
|
|
a = a / mt;
|
|
r = r / mt;
|
|
g = g / mt;
|
|
b = b / mt;
|
|
*p1 = (a << 24) | (r << 16) | (g << 8) | b;
|
|
p1++;
|
|
}
|
|
}
|
|
}
|
|
free(as);
|
|
free(rs);
|
|
free(gs);
|
|
free(bs);
|
|
|
|
ephoto_single_browser_image_data_done(main, im_data_new,
|
|
w, h);
|
|
}
|
|
|
|
void
|
|
ephoto_filter_sharpen(Evas_Object *main, Evas_Object *image)
|
|
{
|
|
unsigned int *im_data, *im_data_new, *p1, *p2;
|
|
int a, r, g, b;
|
|
Evas_Coord x, y, w, h;
|
|
|
|
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);
|
|
|
|
for (y = 1; y < (h - 1); y++)
|
|
{
|
|
p1 = im_data + 1 + (y * w);
|
|
p2 = im_data_new + 1 + (y * w);
|
|
for (x = 1; x < (w - 1); x++)
|
|
{
|
|
b = (int) ((p1[0]) & 0xff) * 5;
|
|
g = (int) ((p1[0] >> 8) & 0xff) * 5;
|
|
r = (int) ((p1[0] >> 16) & 0xff) * 5;
|
|
a = (int) ((p1[0] >> 24) & 0xff) * 5;
|
|
b -= (int) ((p1[-1]) & 0xff);
|
|
g -= (int) ((p1[-1] >> 8) & 0xff);
|
|
r -= (int) ((p1[-1] >> 16) & 0xff);
|
|
a -= (int) ((p1[-1] >> 24) & 0xff);
|
|
b -= (int) ((p1[1]) & 0xff);
|
|
g -= (int) ((p1[1] >> 8) & 0xff);
|
|
r -= (int) ((p1[1] >> 16) & 0xff);
|
|
a -= (int) ((p1[1] >> 24) & 0xff);
|
|
b -= (int) ((p1[-w]) & 0xff);
|
|
g -= (int) ((p1[-w] >> 8) & 0xff);
|
|
r -= (int) ((p1[-w] >> 16) & 0xff);
|
|
a -= (int) ((p1[-w] >> 24) & 0xff);
|
|
b -= (int) ((p1[-w]) & 0xff);
|
|
g -= (int) ((p1[-w] >> 8) & 0xff);
|
|
r -= (int) ((p1[-w] >> 16) & 0xff);
|
|
a -= (int) ((p1[-w] >> 24) & 0xff);
|
|
a = (a & ((~a) >> 16));
|
|
a = ((a | ((a & 256) - ((a & 256) >> 8))));
|
|
r = (r & ((~r) >> 16));
|
|
r = ((r | ((r & 256) - ((r & 256) >> 8))));
|
|
g = (g & ((~g) >> 16));
|
|
g = ((g | ((g & 256) - ((g & 256) >> 8))));
|
|
b = (b & ((~b) >> 16));
|
|
b = ((b | ((b & 256) - ((b & 256) >> 8))));
|
|
*p2 = (a << 24) | (r << 16) | (g << 8) | b;
|
|
p2++;
|
|
p1++;
|
|
}
|
|
}
|
|
ephoto_single_browser_image_data_done(main, im_data_new,
|
|
w, h);
|
|
}
|
|
|
|
void
|
|
ephoto_filter_black_and_white(Evas_Object *main, Evas_Object *image)
|
|
{
|
|
unsigned int *im_data, *im_data_new;
|
|
int gray, i, r, g, b, a;
|
|
Evas_Coord w, h;
|
|
|
|
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);
|
|
|
|
for (i = 0; i < (w * h); i++)
|
|
{
|
|
b = (int) ((im_data[i]) & 0xff);
|
|
g = (int) ((im_data[i] >> 8) & 0xff);
|
|
r = (int) ((im_data[i] >> 16) & 0xff);
|
|
a = (int) ((im_data[i] >> 24) & 0xff);
|
|
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;
|
|
im_data_new[i] = (a << 24) | (gray << 16) | (gray << 8) | gray;
|
|
}
|
|
ephoto_single_browser_image_data_done(main, im_data_new,
|
|
w, h);
|
|
}
|
|
|
|
void
|
|
ephoto_filter_old_photo(Evas_Object *main, Evas_Object *image)
|
|
{
|
|
unsigned int *im_data, *im_data_new;
|
|
int i, r, rr, g, gg, b, bb, a;
|
|
Evas_Coord w, h;
|
|
|
|
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);
|
|
for (i = 0; i < (w * h); i++)
|
|
{
|
|
b = (int) ((im_data[i]) & 0xff);
|
|
g = (int) ((im_data[i] >> 8) & 0xff);
|
|
r = (int) ((im_data[i] >> 16) & 0xff);
|
|
a = (int) ((im_data[i] >> 24) & 0xff);
|
|
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));
|
|
rr = _normalize_color(rr);
|
|
gg = (int) ((r * .349) + (g * .686) + (b * .168));
|
|
gg = _normalize_color(gg);
|
|
bb = (int) ((r * .272) + (g * .534) + (b * .131));
|
|
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_done(main, 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;
|
|
Evas_Coord x, y, w, h;
|
|
int 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_done(main, im_data_new,
|
|
w, h);
|
|
}
|