67 void LoadImage(rawimage *image) {  in LoadImage()  argument
68     if (!image->loaded) {  in LoadImage()
69         readimage(image);  in LoadImage()
70         image->loaded = 1;  in LoadImage()
74 color ImageMap(rawimage *image, flt u, flt v) {  in ImageMap()  argument
81     if (!image->loaded) {  in ImageMap()
82         LoadImage(image);  in ImageMap()
83         image->loaded = 1;  in ImageMap()
87         x = (image->xres - 1.0) * u; /* floating point X location */  in ImageMap()
88         y = (image->yres - 1.0) * v; /* floating point Y location */  in ImageMap()
99         ptr = image->data + ((image->xres * y1) + x1) * 3;  in ImageMap()
100         ptr2 = image->data + ((image->xres * y1) + x2) * 3;  in ImageMap()
106         ptr = image->data + ((image->xres * y2) + x1) * 3;  in ImageMap()
107         ptr2 = image->data + ((image->xres * y2) + x2) * 3;  in ImageMap()
159 void DeallocateImage(rawimage *image) {  in DeallocateImage()  argument
160     image->loaded = 0;  in DeallocateImage()
161     rt_freemem(image->data);  in DeallocateImage()