Author: abrander
Date: 2010-02-13 12:23:59 +0100 (Sat, 13 Feb 2010)
New Revision: 3204
Modified:
trunk/plugins/load-gdk/load-gdk.c
Log:
Only initialize gamma table once.
Modified: trunk/plugins/load-gdk/load-gdk.c
===================================================================
--- trunk/plugins/load-gdk/load-gdk.c 2010-02-13 11:12:18 UTC (rev 3203)
+++ trunk/plugins/load-gdk/load-gdk.c 2010-02-13 11:23:59 UTC (rev 3204)
@@ -20,6 +20,8 @@
#include <rawstudio.h>
#include <math.h> /* pow() */
+static gushort gammatable[256];
+
/**
* Open an image using the GDK-engine
* @param filename The filename to open
@@ -33,19 +35,10 @@
guchar *pixels;
gint rowstride;
gint width, height;
- gint row,col,n,res, src, dest;
- gdouble nd;
- gushort gammatable[256];
+ gint row,col, src, dest;
gint alpha=0;
if ((pixbuf = gdk_pixbuf_new_from_file(filename, NULL)))
{
- for(n=0;n<256;n++)
- {
- nd = ((gdouble) n) / 255.0;
- res = (gint) (pow(nd, GAMMA) * 65535.0);
- _CLAMP65535(res);
- gammatable[n] = res;
- }
rowstride = gdk_pixbuf_get_rowstride(pixbuf);
pixels = gdk_pixbuf_get_pixels(pixbuf);
width = gdk_pixbuf_get_width(pixbuf);
@@ -62,7 +55,7 @@
image->pixels[dest++] =
gammatable[pixels[src++]];
image->pixels[dest++] =
gammatable[pixels[src++]];
image->pixels[dest++] =
gammatable[pixels[src++]];
- image->pixels[dest++] =
gammatable[pixels[src-2]];
+ dest++;
src+=alpha;
}
}
@@ -81,6 +74,17 @@
G_MODULE_EXPORT void
rs_plugin_load(RSPlugin *plugin)
{
+ gint n, res;
+ gdouble nd;
+
+ for(n=0;n<256;n++)
+ {
+ nd = ((gdouble) n) / 255.0;
+ res = (gint) (pow(nd, GAMMA) * 65535.0);
+ _CLAMP65535(res);
+ gammatable[n] = res;
+ }
+
rs_filetype_register_loader(".jpg", "JPEG", load_gdk, 10,
RS_LOADER_FLAGS_8BIT);
rs_filetype_register_loader(".png", "JPEG", load_gdk, 10,
RS_LOADER_FLAGS_8BIT);
rs_filetype_register_loader(".tif", "JPEG", load_gdk, 20,
RS_LOADER_FLAGS_8BIT);
_______________________________________________
Rawstudio-commit mailing list
[email protected]
http://rawstudio.org/cgi-bin/mailman/listinfo/rawstudio-commit
