Add lbx_getinfo() to query properties of a loaded LBX image.

diff --git a/src/image.c b/src/image.c
index e1fd3bbe062d8390451a53ddeec965df8d863285..ba642d026b740d09b389b3eea195965da90acf3e 100644 (file)
--- a/src/image.c
+++ b/src/image.c
@@ -292,6 +292,15 @@ readerr:
        return -1;
 }
 
+void lbximg_getinfo(struct lbx_image *img, struct lbx_imginfo *info)
+{
+       *info = (struct lbx_imginfo) {
+               .width   = img->width,
+               .height  = img->height,
+               .nframes = img->frames,
+       };
+}
+
 void lbximg_close(struct lbx_image *img)
 {
        if (!img) return;

diff --git a/src/image.h b/src/image.h
index e2d18aa9141ed10265716949e7e5dcc300f9816b..44e94a7806d2d8e742ef8794b78bbaa64a94c337 100644 (file)
--- a/src/image.h
+++ b/src/image.h
@@ -11,6 +11,11 @@ struct lbx_colour {
        unsigned char blue;
 };
 
+struct lbx_imginfo {
+       unsigned int width, height;
+       unsigned int nframes;
+};
+
 LBX_IMG *lbximg_fopen(FILE *f);
 void     lbximg_close(LBX_IMG *img);
 unsigned char **lbximg_getframe(LBX_IMG *img, int frame);
@@ -18,4 +23,6 @@ unsigned char **lbximg_getframe(LBX_IMG *img, int frame);
 int lbximg_loadpalette(FILE *f, struct lbx_colour palette[static 256]);
 int lbximg_getpalette(LBX_IMG *img, struct lbx_colour palette[static 256]);
 
+void lbximg_getinfo(LBX_IMG *img, struct lbx_imginfo *info);
+
 #endif