diff options
Diffstat (limited to 'src/cairo-win32-private.h')
-rw-r--r-- | src/cairo-win32-private.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/cairo-win32-private.h b/src/cairo-win32-private.h new file mode 100644 index 000000000..71e677ad1 --- /dev/null +++ b/src/cairo-win32-private.h @@ -0,0 +1,87 @@ +/* cairo - a vector graphics library with display and print output + * + * Copyright © 2005 Red Hat, Inc + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + * The Original Code is the cairo graphics library. + * + * The Initial Developer of the Original Code is Red Hat, Inc. + * + * Contributor(s): + * Owen Taylor <otaylor@redhat.com> + */ + +#ifndef CAIRO_WIN32_PRIVATE_H +#define CAIRO_WIN32_PRIVATE_H + +/* We depend on various features introduced with Win2k and Win98, + * like AlphaBlend. If it turns out to be a problem, we could + * use GetProcAddress() to look them up. + */ +#define WINVER 0x0500 + +#include <cairo-win32.h> +#include <cairoint.h> + +typedef struct _cairo_win32_surface { + cairo_surface_t base; + + cairo_format_t format; + + HDC dc; + + /* We create off-screen surfaces as DIBs */ + HBITMAP bitmap; + + /* Used to save the initial 1x1 monochrome bitmap for the DC to + * select back into the DC before deleting the DC and our + * bitmap. For Windows XP, this doesn't seem to be necessary + * ... we can just delete the DC and that automatically unselects + * out bitmap. But it's standard practice so apparently is needed + * on some versions of Windows. + */ + HBITMAP saved_dc_bitmap; + + cairo_surface_t *image; + + cairo_rectangle_t clip_rect; + + int set_clip; + HRGN saved_clip; + +} cairo_win32_surface_t; + +cairo_status_t +_cairo_win32_print_gdi_error (const char *context); + +cairo_surface_t * +_cairo_win32_surface_create_dib (cairo_format_t format, + int width, + int height); + +cairo_bool_t +_cairo_surface_is_win32 (cairo_surface_t *surface); + +#endif /* CAIRO_WIN32_PRIVATE_H */ |