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-rw-r--r--libopenjpeg/opj_convert.c216
1 files changed, 0 insertions, 216 deletions
diff --git a/libopenjpeg/opj_convert.c b/libopenjpeg/opj_convert.c
deleted file mode 100644
index 0355e502..00000000
--- a/libopenjpeg/opj_convert.c
+++ /dev/null
@@ -1,216 +0,0 @@
-#include "opj_includes.h"
-
-/*--------------------------------------------------------
-Matrix für sYCC, Amendment 1 to IEC 61966-2-1
-
-Y : 0.299 0.587 0.114 :R
-Cb: -0.1687 -0.3312 0.5 :G
-Cr: 0.5 -0.4187 -0.0812 :B
-
-Inverse:
-
-R: 1 -3.68213e-05 1.40199 :Y
-G: 1.00003 -0.344125 -0.714128 :Cb - 2^(prec - 1)
-B: 0.999823 1.77204 -8.04142e-06 :Cr - 2^(prec - 1)
-
------------------------------------------------------------*/
-static void sycc_to_rgb(int offset, int upb, int y, int cb, int cr,
- int *out_r, int *out_g, int *out_b)
-{
- int r, g, b;
-
- cb -= offset; cr -= offset;
- r = y + (int)(1.402 * (float)cr);
- if(r < 0) r = 0; else if(r > upb) r = upb; *out_r = r;
-
- g = y - (int)(0.344 * (float)cb + 0.714 * (float)cr);
- if(g < 0) g = 0; else if(g > upb) g = upb; *out_g = g;
-
- b = y + (int)(1.772 * (float)cb);
- if(b < 0) b = 0; else if(b > upb) b = upb; *out_b = b;
-}
-
-static void opj_convert_sycc444(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b;
- const int *y, *cb, *cr;
- int maxw, maxh, max, i, offset, upb;
-
- i = img->comps[0].prec;
- offset = 1<<(i - 1); upb = (1<<i)-1;
-
- maxw = img->comps[0].w; maxh = img->comps[0].h;
- max = maxw * maxh;
-
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
-
- d0 = r = (int*)opj_malloc(sizeof(int) * max);
- d1 = g = (int*)opj_malloc(sizeof(int) * max);
- d2 = b = (int*)opj_malloc(sizeof(int) * max);
-
- for(i = 0; i < max; ++i)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-
- ++y; ++cb; ++cr; ++r; ++g; ++b;
- }
- opj_free(img->comps[0].data); img->comps[0].data = d0;
- opj_free(img->comps[1].data); img->comps[1].data = d1;
- opj_free(img->comps[2].data); img->comps[2].data = d2;
-
-}/* opj_convert_sycc444() */
-
-static void opj_convert_sycc422(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b;
- const int *y, *cb, *cr;
- int maxw, maxh, max, offset, upb;
- int i, j;
-
- i = img->comps[0].prec;
- offset = 1<<(i - 1); upb = (1<<i)-1;
-
- maxw = img->comps[0].w; maxh = img->comps[0].h;
- max = maxw * maxh;
-
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
-
- d0 = r = (int*)opj_malloc(sizeof(int) * max);
- d1 = g = (int*)opj_malloc(sizeof(int) * max);
- d2 = b = (int*)opj_malloc(sizeof(int) * max);
-
- for(i=0; i < maxh; ++i)
- {
- for(j=0; j < maxw; j += 2)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-
- ++y; ++r; ++g; ++b;
-
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-
- ++y; ++r; ++g; ++b; ++cb; ++cr;
- }
- }
- opj_free(img->comps[0].data); img->comps[0].data = d0;
- opj_free(img->comps[1].data); img->comps[1].data = d1;
- opj_free(img->comps[2].data); img->comps[2].data = d2;
-
- img->comps[1].w = maxw; img->comps[1].h = maxh;
- img->comps[2].w = maxw; img->comps[2].h = maxh;
- img->comps[1].dx = img->comps[0].dx;
- img->comps[2].dx = img->comps[0].dx;
- img->comps[1].dy = img->comps[0].dy;
- img->comps[2].dy = img->comps[0].dy;
-
-}/* opj_convert_sycc422() */
-
-static void opj_convert_sycc420(opj_image_t *img)
-{
- int *d0, *d1, *d2, *r, *g, *b, *nr, *ng, *nb;
- const int *y, *cb, *cr, *ny;
- int maxw, maxh, max, offset, upb;
- int i, j;
-
- i = img->comps[0].prec;
- offset = 1<<(i - 1); upb = (1<<i)-1;
-
- maxw = img->comps[0].w; maxh = img->comps[0].h;
- max = maxw * maxh;
-
- y = img->comps[0].data;
- cb = img->comps[1].data;
- cr = img->comps[2].data;
-
- d0 = r = (int*)opj_malloc(sizeof(int) * max);
- d1 = g = (int*)opj_malloc(sizeof(int) * max);
- d2 = b = (int*)opj_malloc(sizeof(int) * max);
-
- for(i=0; i < maxh; i += 2)
- {
- ny = y + maxw;
- nr = r + maxw; ng = g + maxw; nb = b + maxw;
-
- for(j=0; j < maxw; j += 2)
- {
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-
- ++y; ++r; ++g; ++b;
-
- sycc_to_rgb(offset, upb, *y, *cb, *cr, r, g, b);
-
- ++y; ++r; ++g; ++b;
-
- sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
-
- ++ny; ++nr; ++ng; ++nb;
-
- sycc_to_rgb(offset, upb, *ny, *cb, *cr, nr, ng, nb);
-
- ++ny; ++nr; ++ng; ++nb; ++cb; ++cr;
- }
- y += maxw; r += maxw; g += maxw; b += maxw;
- }
- opj_free(img->comps[0].data); img->comps[0].data = d0;
- opj_free(img->comps[1].data); img->comps[1].data = d1;
- opj_free(img->comps[2].data); img->comps[2].data = d2;
-
- img->comps[1].w = maxw; img->comps[1].h = maxh;
- img->comps[2].w = maxw; img->comps[2].h = maxh;
- img->comps[1].dx = img->comps[0].dx;
- img->comps[2].dx = img->comps[0].dx;
- img->comps[1].dy = img->comps[0].dy;
- img->comps[2].dy = img->comps[0].dy;
-
-}/* opj_convert_sycc420() */
-
-void opj_convert_sycc_to_rgb(opj_image_t *img)
-{
- if(img->numcomps < 3)
- {
- img->color_space = CLRSPC_GRAY;
- return;
- }
-
- if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 2)
- && (img->comps[2].dx == 2)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 2)
- && (img->comps[2].dy == 2))/* horizontal and vertical sub-sample */
- {
- opj_convert_sycc420(img);
- }
- else
- if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 2)
- && (img->comps[2].dx == 2)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 1)
- && (img->comps[2].dy == 1))/* horizontal sub-sample only */
- {
- opj_convert_sycc422(img);
- }
- else
- if((img->comps[0].dx == 1)
- && (img->comps[1].dx == 1)
- && (img->comps[2].dx == 1)
- && (img->comps[0].dy == 1)
- && (img->comps[1].dy == 1)
- && (img->comps[2].dy == 1))/* no sub-sample */
- {
- opj_convert_sycc444(img);
- }
- else
- {
- fprintf(stderr,"%s:%d:opj_convert_sycc_to_rgb\n\tCAN NOT CONVERT\n",
- __FILE__,__LINE__);
- return;
- }
- img->color_space = CLRSPC_SRGB;
-
-}/* opj_convert_sycc_to_rgb() */
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-22 00:55:26 +0000