Initial push

[shermanaquarium] / sherman-aquarium / shermans / images.c

diff --git a/sherman-aquarium/shermans/images.c b/sherman-aquarium/shermans/images.c
new file mode 100644 (file)
index 0000000..a6faa11
--- /dev/null
+++ b/sherman-aquarium/shermans/images.c
@@ -0,0 +1,73 @@
+
+#include <stdio.h>
+#include <gtk/gtk.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include "aquarium.h"
+
+extern int fullscreen, window_id;
+
+/* Declare it here to avoid warnings */
+GdkPixbuf *gai_load_image(const char *);
+
+void load_image(char *fname, SA_Image *image, int frames)
+{
+
+    image->pixbuf = gai_load_image(fname);
+    image->frames = frames;
+    image->rev = NULL;
+    image->width = gdk_pixbuf_get_width(image->pixbuf);
+    image->full_height = gdk_pixbuf_get_height(image->pixbuf);
+
+    image->rowstride = gdk_pixbuf_get_rowstride(image->pixbuf);
+    image->height = (int)((float)image->full_height / (float)frames+0.5);
+    image->image = gdk_pixbuf_get_pixels(image->pixbuf);
+}
+
+
+
+void load_image_n_scale(char *fname, SA_Image *image,
+                       int frames, int scale)
+{
+
+    int w, h, newh, neww,i;
+    GdkPixbuf *tmpbuff, *workbuff1, *workbuff2;
+
+    if(scale==100){
+       load_image(fname,image,frames);
+       return;
+    }
+
+
+    tmpbuff = gai_load_image(fname);
+    image->frames = frames;
+    image->rev = NULL;
+
+    w = gdk_pixbuf_get_width(tmpbuff);
+    h = gdk_pixbuf_get_height(tmpbuff);
+
+    image->width = neww =(int)((((float)w * (float)scale) / 100.0)+0.5);
+    image->height = newh = (int)((((float)h / (float)frames) * (float)scale) / 100.0 + 0.5);
+    image->full_height = newh * frames; 
+
+    image->pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE,8,
+                                  neww,
+                                  frames*newh);
+
+    for(i=0;i<frames;i++){
+       workbuff1 = gdk_pixbuf_new_subpixbuf(tmpbuff,0,i*h/frames,w,h/frames);
+       workbuff2 = gdk_pixbuf_scale_simple(workbuff1, neww, newh, GDK_INTERP_BILINEAR);
+       g_object_unref(workbuff1);
+       gdk_pixbuf_copy_area(workbuff2,0,0,neww,newh,image->pixbuf,0,newh*i);
+       g_object_unref(workbuff2);
+
+    }
+
+    
+
+
+    image->image = gdk_pixbuf_get_pixels(image->pixbuf);
+    image->rowstride = gdk_pixbuf_get_rowstride(image->pixbuf);
+
+    g_object_unref(tmpbuff);
+
+}