IntegrationCairo_real.xsi.in

#ifdef HAS_CAIRO



cairo_surface_t* Integration_Cairo_pixmap_samples(Graphics__MuPDF__Pixmap* pixmap)
CODE:
	fz_pixmap* pix = pixmap->pix;

	cairo_format_t format = CAIRO_FORMAT_ARGB32;

	int stride = cairo_format_stride_for_width (format, pix->w);

	cairo_surface_t* surface = cairo_image_surface_create(
		format,
		pix->w,
		pix->h);

	unsigned char* s = pix->samples;
	unsigned char* image_data = cairo_image_surface_get_data(surface);
	for( int y = 0; y < pix->h; y++ ) {
		for( int x = 0; x < pix->w; x++ ) {
			unsigned char* p = image_data + y * stride + x * 4;
			p[0] = s[2];
			p[1] = s[1];
			p[2] = s[0];
			p[3] = 0xFF;
			s += 3;
		}
	}

	cairo_surface_mark_dirty(surface);

	RETVAL = surface;
OUTPUT:
	RETVAL

#else

# /* No Cairo support */

#endif