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somewhat safer use of the colormap

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svn path=/trunk/; revision=26974
This commit is contained in:
Sven Neumann
2008-09-17 15:03:36 +00:00
parent 78c71c9d9d
commit db99239b76
1 changed files with 15 additions and 9 deletions
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24
plug-ins/print/print-draw-page.c
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@ -18,6 +18,8 @@
#include "config.h"
#include <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
@ -165,23 +167,27 @@ print_draw_page (GtkPrintContext *context,
static cairo_surface_t *
print_cairo_surface_from_drawable (gint32 drawable_ID)
{
GimpDrawable *drawable = gimp_drawable_get (drawable_ID);
GimpDrawable *drawable = gimp_drawable_get (drawable_ID);
GimpPixelRgn region;
GimpImageType image_type = gimp_drawable_type (drawable_ID);
GimpImageType image_type = gimp_drawable_type (drawable_ID);
cairo_surface_t *surface;
const gint width = drawable->width;
const gint height = drawable->height;
guchar *cmap = NULL;
const gint width = drawable->width;
const gint height = drawable->height;
guchar cmap[3 * 256] = { 0, };
guchar *pixels;
gint stride;
guint count = 0;
guint done = 0;
guint count = 0;
guint done = 0;
gpointer pr;
if (gimp_drawable_is_indexed (drawable_ID))
{
cmap = gimp_image_get_colormap (gimp_drawable_get_image (drawable_ID),
NULL);
guchar *colors;
gint num_colors;
colors = gimp_image_get_colormap (gimp_drawable_get_image (drawable_ID),
&num_colors);
memcpy (cmap, colors, 3 * num_colors);
}
surface = cairo_image_surface_create (gimp_drawable_has_alpha (drawable_ID) ?