Lines Matching defs:surface
57 unsigned char *surface = NULL; /* Image data */
94 if (surface)
95 free (surface);
145 surface = (unsigned char *)malloc (sizeof (unsigned char) * w
147 if (!surface) {
157 free(surface);
163 row_pointers[i] = (png_bytep)(surface +
170 surface = escl_crop_surface(scanner, surface, w, h, components, width, height);
171 if (!surface) {