C++ (Cpp) cairo_boilerplate_get_image_surface_from_png示例

示例#1

文件： cairo-boilerplate-win32-printing.c 项目： Happy-Ferret/webkit.js

static cairo_surface_t *
_cairo_boilerplate_win32_printing_get_image_surface (cairo_surface_t *surface,
						     int	      page,
						     int	      width,
						     int	      height)
{
    win32_target_closure_t *ptc = cairo_surface_get_user_data (surface,
							       &win32_closure_key);
    char *filename;
    cairo_status_t status;

    /* XXX test paginated interface */
    if (page != 0)
	return cairo_boilerplate_surface_create_in_error (CAIRO_STATUS_SURFACE_TYPE_MISMATCH);

    xasprintf (&filename, "%s.png", ptc->filename);
    status = _cairo_boilerplate_win32_printing_surface_write_to_png (surface, filename);
    if (status)
	return cairo_boilerplate_surface_create_in_error (status);

    surface = cairo_boilerplate_get_image_surface_from_png (filename,
							    width,
							    height,
							    ptc->target == NULL);

    remove (filename);
    free (filename);

    return surface;
}

示例#2

文件： cairo-boilerplate-ps.c 项目： Acorld/WinObjC-Heading

static cairo_surface_t *
_cairo_boilerplate_ps_get_image_surface (cairo_surface_t *surface,
					 int		  page,
					 int		  width,
					 int		  height)
{
    ps_target_closure_t *ptc = cairo_surface_get_user_data (surface,
							    &ps_closure_key);
    char *filename;
    cairo_status_t status;

    if (page == 0)
	xasprintf (&filename, "%s.png", ptc->filename);
    else
	xasprintf (&filename, "%s-%%05d.png", ptc->filename);
    status = _cairo_boilerplate_ps_surface_write_to_png (surface, filename);
    if (status)
	return cairo_boilerplate_surface_create_in_error (status);

    if (page != 0) {
	free (filename);
	xasprintf (&filename, "%s-%05d.png", ptc->filename, page);
    }
    surface = cairo_boilerplate_get_image_surface_from_png (filename,
							    width,
							    height,
							    ptc->target == NULL);

    remove (filename);
    free (filename);

    return surface;
}