GDI plus minus (GDI+-)

#include "gdipm.h"

HRESULT gdipm_init_ex(void **pgdipm);
void gdipm_exit_ex(void *gdipm);

#ifdef GDIPM_NO_DPI
    HBITMAP gdipm_load_pic(void *gdipm, const WCHAR *image_filename, ARGB back_color);
    BOOL gdipm_save_pic(void *gdipm, const WCHAR *image_filename, HBITMAP hBitmap);
#else
    HBITMAP gdipm_load_pic(void *gdipm, const WCHAR *image_filename, ARGB back_color, float *x_dpi, float *y_dpi);
    BOOL gdipm_save_pic(void *gdipm, const WCHAR *image_filename, HBITMAP hBitmap, float x_dpi, float y_dpi);
#endif