old
/
legacy-imlib2
3
0
Fork 4
Code Issues 3 Pull Requests Projects Releases Wiki Activity

Bye bye XCF loader. Apparently I stepped on some Gimp people's feet 

with it, because of licensing issues. I guess I'll be talking to Raster
next week what we'll do with the loader. Hope this makes us friends
with the Gimp developers again.


SVN revision: 2888
This commit is contained in:
Christian Kreibich 2000-06-25 14:46:38 +00:00
parent cee044cabc
commit 00dcd44c89
3 changed files with 4 additions and 1823 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
loaders/Makefile.am
View File

@ -12,7 +12,7 @@ INCLUDES = -I/usr/local/BerkeleyDB/include -I/usr/X11R6/include -I$(top_src
-I$(top_srcdir)/loaders
pkgdir = $(libdir)/loaders/image
pkg_LTLIBRARIES = png.la jpeg.la gif.la pnm.la argb.la tiff.la bmp.la xpm.la tga.la db.la xcf.la
pkg_LTLIBRARIES = png.la jpeg.la gif.la pnm.la argb.la tiff.la bmp.la xpm.la tga.la db.la #xcf.la
png_la_SOURCES = loader_png.c
png_la_LDFLAGS = -no-undefined -module -avoid-version
@ -54,6 +54,6 @@ db_la_SOURCES = loader_db.c
db_la_LDFLAGS = -no-undefined -module -avoid-version
db_la_LIBADD = -ldb -lz
xcf_la_SOURCES = loader_xcf.c loader_xcf_pixelfuncs.c
xcf_la_LDFLAGS = -no-undefined -module -avoid-version
xcf_la_LIBADD =
#xcf_la_SOURCES = loader_xcf.c loader_xcf_pixelfuncs.c
#xcf_la_LDFLAGS = -no-undefined -module -avoid-version
#xcf_la_LIBADD =

1704
loaders/loader_xcf.c
View File

File diff suppressed because it is too large Load Diff

115
loaders/loader_xcf_pixelfuncs.c
View File

@ -1,115 +0,0 @@
/* These are the tons of different functions for merging layers.
All of them assume merging of src2 ONTO src1. Heavily adapted
from gimp's paint_funcs.c.
--cK.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "common.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <X11/Xlib.h>
#include <X11/extensions/XShm.h>
#include <X11/Xutil.h>
#include <netinet/in.h>
#include "image.h"
#include "Imlib2.h"
#include "colormod.h"
#include "blend.h"
#define STD_BUF_SIZE 1021
#define MAXDIFF 195076
#define HASH_TABLE_SIZE 1021
#define RANDOM_TABLE_SIZE 4096
#define RANDOM_SEED 314159265
#define EPSILON 0.0001
#define INT_MULT(a,b,t) ((t) = (a) * (b) + 0x80, ((((t) >> 8) + (t)) >> 8))
#define LINEAR(x,y,w) ((w*y + x)*4)
#define alphify(src_alpha,new_alpha) \
b = 3; \
if (new_alpha != 0) \
{ \
ratio = (float) src_alpha / new_alpha; \
compl_ratio = 1.0 - ratio; \
\
do { b--; \
dest[d_idx + b] = \
(unsigned char) (src[s_idx + b] * ratio + dest[d_idx + b] * compl_ratio + EPSILON); \
} while (b); \
}
void
combine_pixels (DATA8* src, int src_w, int src_h, DATA8* dest, int dest_w, int dest_h, int dest_x, int dest_y)
{
int x, y, s_idx, d_idx, dest_col;
int src_tl_x = 0, src_tl_y = 0;
int src_br_x = src_w, src_br_y = src_h;
int a, red, green, blue;
int alpha, b;
unsigned char src_alpha;
unsigned char new_alpha;
float ratio, compl_ratio;
long tmp;
int length;
/*printf ("Blending %ix%i onto %ix%i at %i, %i -->", src_w, src_h, dest_w, dest_h, dest_x, dest_y);*/
/* translate negative destinations */
if (dest_x + src_br_x >= dest_w)
src_br_x -= (dest_x + src_br_x) - dest_w;
if (dest_y + src_br_y >= dest_h)
src_br_y -= (dest_y + src_br_y) - dest_h;
if (dest_x < 0)
{
src_tl_x = -dest_x;
dest_x = 0;
}
if (dest_y < 0)
{
src_tl_y = -dest_y;
dest_y = 0;
}
for (y = src_tl_y; y < src_br_y; y++)
{
for (x = src_tl_x; x < src_br_x; x++)
{
d_idx = LINEAR((dest_x + x - src_tl_x), (dest_y + y - src_tl_y), dest_w);
s_idx = LINEAR(x, y, src_w);
src_alpha = A_VAL(src + s_idx);
if (src_alpha != 0)
{
if (src_alpha == 255)
{
new_alpha = src_alpha;
alphify (src_alpha, new_alpha);
A_VAL(dest + d_idx) = new_alpha;
}
else
{
new_alpha = A_VAL(dest + d_idx) + INT_MULT((255 - A_VAL(dest + d_idx)), src_alpha, tmp);
alphify (src_alpha, new_alpha);
A_VAL(dest + d_idx) = new_alpha;
}
}
}
}
}