- in some cases it's possible for giflib/libungif to return color

[imager.git] / imgdouble.c

diff --git a/imgdouble.c b/imgdouble.c
index 5f063a62da12d28dd9cdaa22bb0bf18c32c2bb86..8cc7b391bb2597583ecc6ce05ebe8a05d8d62a54 100644 (file)
--- a/imgdouble.c
+++ b/imgdouble.c
@@ -20,17 +20,17 @@ sample image type to work with.
 =cut
 */
 
-#include "image.h"
-#include "imagei.h"
+#include "imager.h"
+#include "imageri.h"
 
-static int i_ppix_ddoub(i_img *im, int x, int y, i_color *val);
+static int i_ppix_ddoub(i_img *im, int x, int y, const i_color *val);
 static int i_gpix_ddoub(i_img *im, int x, int y, i_color *val);
 static int i_glin_ddoub(i_img *im, int l, int r, int y, i_color *vals);
-static int i_plin_ddoub(i_img *im, int l, int r, int y, i_color *vals);
-static int i_ppixf_ddoub(i_img *im, int x, int y, i_fcolor *val);
+static int i_plin_ddoub(i_img *im, int l, int r, int y, const i_color *vals);
+static int i_ppixf_ddoub(i_img *im, int x, int y, const i_fcolor *val);
 static int i_gpixf_ddoub(i_img *im, int x, int y, i_fcolor *val);
 static int i_glinf_ddoub(i_img *im, int l, int r, int y, i_fcolor *vals);
-static int i_plinf_ddoub(i_img *im, int l, int r, int y, i_fcolor *vals);
+static int i_plinf_ddoub(i_img *im, int l, int r, int y, const i_fcolor *vals);
 static int i_gsamp_ddoub(i_img *im, int l, int r, int y, i_sample_t *samps, 
                        int const *chans, int chan_count);
 static int i_gsampf_ddoub(i_img *im, int l, int r, int y, i_fsample_t *samps, 
@@ -81,6 +81,8 @@ static i_img IIM_base_double_direct =
 /*
 =item i_img_double_new(int x, int y, int ch)
 
+=category Image creation
+
 Creates a new double per sample image.
 
 =cut
@@ -141,10 +143,10 @@ i_img *i_img_double_new(int x, int y, int ch) {
   return im;
 }
 
-static int i_ppix_ddoub(i_img *im, int x, int y, i_color *val) {
+static int i_ppix_ddoub(i_img *im, int x, int y, const i_color *val) {
   int off, ch;
 
-  if (x < 0 || x >= im->xsize || y < 0 || y > im->ysize) 
+  if (x < 0 || x >= im->xsize || y < 0 || y >= im->ysize) 
     return -1;
 
   off = (x + y * im->xsize) * im->channels;
@@ -164,7 +166,7 @@ static int i_ppix_ddoub(i_img *im, int x, int y, i_color *val) {
 static int i_gpix_ddoub(i_img *im, int x, int y, i_color *val) {
   int off, ch;
 
-  if (x < 0 || x >= im->xsize || y < 0 || y > im->ysize) 
+  if (x < 0 || x >= im->xsize || y < 0 || y >= im->ysize) 
     return -1;
 
   off = (x + y * im->xsize) * im->channels;
@@ -174,10 +176,10 @@ static int i_gpix_ddoub(i_img *im, int x, int y, i_color *val) {
   return 0;
 }
 
-static int i_ppixf_ddoub(i_img *im, int x, int y, i_fcolor *val) {
+static int i_ppixf_ddoub(i_img *im, int x, int y, const i_fcolor *val) {
   int off, ch;
 
-  if (x < 0 || x >= im->xsize || y < 0 || y > im->ysize) 
+  if (x < 0 || x >= im->xsize || y < 0 || y >= im->ysize) 
     return -1;
 
   off = (x + y * im->xsize) * im->channels;
@@ -197,7 +199,7 @@ static int i_ppixf_ddoub(i_img *im, int x, int y, i_fcolor *val) {
 static int i_gpixf_ddoub(i_img *im, int x, int y, i_fcolor *val) {
   int off, ch;
 
-  if (x < 0 || x >= im->xsize || y < 0 || y > im->ysize) 
+  if (x < 0 || x >= im->xsize || y < 0 || y >= im->ysize) 
     return -1;
 
   off = (x + y * im->xsize) * im->channels;
@@ -228,7 +230,7 @@ static int i_glin_ddoub(i_img *im, int l, int r, int y, i_color *vals) {
   }
 }
 
-static int i_plin_ddoub(i_img *im, int l, int r, int y, i_color *vals) {
+static int i_plin_ddoub(i_img *im, int l, int r, int y, const i_color *vals) {
   int ch, count, i;
   int off;
   if (y >=0 && y < im->ysize && l < im->xsize && l >= 0) {
@@ -281,7 +283,7 @@ static int i_glinf_ddoub(i_img *im, int l, int r, int y, i_fcolor *vals) {
   }
 }
 
-static int i_plinf_ddoub(i_img *im, int l, int r, int y, i_fcolor *vals) {
+static int i_plinf_ddoub(i_img *im, int l, int r, int y, const i_fcolor *vals) {
   int ch, count, i;
   int off;
   if (y >=0 && y < im->ysize && l < im->xsize && l >= 0) {