50 struct sprite {  struct
103 sprite_op(const struct sprite *sprite, int x_offset, int y_offset,  in sprite_op()  argument
115    if ((y_offset < 0 || (unsigned)/*SAFE*/y_offset < sprite->height) &&  in sprite_op()
116        (x_offset < 0 || (unsigned)/*SAFE*/x_offset < sprite->width))  in sprite_op()
141                png_uint_16 *out_pixel = sprite->buffer +  in sprite_op()
142                   ((y+y_offset) * sprite->width + (x+x_offset))*4;  in sprite_op()
188 create_sprite(struct sprite *sprite, int *argc, const char ***argv)  in create_sprite()  argument
237                   sprite_op(sprite, x, y, &image, buffer);  in create_sprite()
278    sprite->file = tmpfile();  in create_sprite()
280    if (sprite->file != NULL)  in create_sprite()
287       save.width = sprite->width;  in create_sprite()
288       save.height = sprite->height;  in create_sprite()
293       if (png_image_write_to_stdio(&save, sprite->file, 1/*convert_to_8_bit*/,  in create_sprite()
294           sprite->buffer, 0/*row_stride*/, NULL/*colormap*/))  in create_sprite()
297          free(sprite->buffer);  in create_sprite()
298          sprite->buffer = NULL;  in create_sprite()
303          fprintf(stderr, "simpleover: write sprite %s: %s\n", sprite->name,  in create_sprite()
309          sprite->name, strerror(errno));  in create_sprite()
315 add_sprite(png_imagep output, png_bytep out_buf, struct sprite *sprite,  in add_sprite()  argument
339              sprite->width > output->width-x ||  in add_sprite()
340              sprite->height > output->height-y)  in add_sprite()
343                sprite->name, x, y);  in add_sprite()
356             rewind(sprite->file);  in add_sprite()
358             if (png_image_begin_read_from_stdio(&in, sprite->file))  in add_sprite()
373             fprintf(stderr, "simpleover: add sprite %s: %s\n", sprite->name,  in add_sprite()
382                sprite->name, (*argv)[0]);  in add_sprite()
398    struct sprite sprites[csprites];  in simpleover_process()