PixelFormat fmt;
unsigned width;
unsigned height;
+ unsigned stride;
char *data;
Data();
PixelFormat get_format() const { return data.fmt; }
unsigned get_width() const { return data.width; }
unsigned get_height() const { return data.height; }
+ unsigned get_stride() const { return data.stride; }
const void *get_data() const { return data.data; }
};