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/* 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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
#include "cairo-win32.h"
#include "cairoint.h"
#include "cairo-surface-clipper-private.h"
#ifndef SHADEBLENDCAPS
#define SHADEBLENDCAPS 120
#endif
#ifndef SB_NONE
#define SB_NONE 0
#endif
#define WIN32_FONT_LOGICAL_SCALE 32
typedef struct _cairo_win32_surface {
cairo_surface_t base;
cairo_format_t format;
HDC dc;
/* We create off-screen surfaces as DIBs or DDBs, based on what we created
* originally*/
HBITMAP bitmap;
cairo_bool_t is_dib;
/* 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;
/* We use the x and y parts of extents for situations where
* we're not supposed to draw to the entire surface.
* For example, during a paint event a program will get
* a DC that has been clipped to the dirty region.
* A cairo surface constructed for that DC will have extents
* that match bounds of the clipped region.
*
* jrmuizel: I'm not sure if storing these extents instead
* of just using the size is better... */
cairo_rectangle_int_t extents;
/* Initial clip bits
* We need these kept around so that we maintain
* whatever clip was set on the original DC at creation
* time when cairo is asked to reset the surface clip.
*/
cairo_rectangle_int_t clip_rect;
HRGN initial_clip_rgn;
cairo_bool_t had_simple_clip;
cairo_region_t *clip_region;
/* For path clipping to the printing-surface */
cairo_surface_clipper_t clipper;
/* Surface DC flags */
uint32_t flags;
/* printing surface bits */
cairo_paginated_mode_t paginated_mode;
cairo_content_t content;
cairo_bool_t path_empty;
cairo_bool_t has_ctm;
cairo_matrix_t ctm;
cairo_bool_t has_gdi_ctm;
cairo_matrix_t gdi_ctm;
HBRUSH brush, old_brush;
cairo_scaled_font_subsets_t *font_subsets;
} cairo_win32_surface_t;
/* Surface DC flag values */
enum {
/* If this is a surface created for printing or not */
CAIRO_WIN32_SURFACE_FOR_PRINTING = (1<<0),
/* Whether the DC is a display DC or not */
CAIRO_WIN32_SURFACE_IS_DISPLAY = (1<<1),
/* Whether we can use BitBlt with this surface */
CAIRO_WIN32_SURFACE_CAN_BITBLT = (1<<2),
/* Whether we can use AlphaBlend with this surface */
CAIRO_WIN32_SURFACE_CAN_ALPHABLEND = (1<<3),
/* Whether we can use StretchBlt with this surface */
CAIRO_WIN32_SURFACE_CAN_STRETCHBLT = (1<<4),
/* Whether we can use StretchDIBits with this surface */
CAIRO_WIN32_SURFACE_CAN_STRETCHDIB = (1<<5),
/* Whether we can use GradientFill rectangles with this surface */
CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT = (1<<6),
/* Whether we can use the CHECKJPEGFORMAT escape function */
CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG = (1<<7),
/* Whether we can use the CHECKJPEGFORMAT escape function */
CAIRO_WIN32_SURFACE_CAN_CHECK_PNG = (1<<8),
};
cairo_status_t
_cairo_win32_print_gdi_error (const char *context);
cairo_bool_t
_cairo_surface_is_win32 (cairo_surface_t *surface);
cairo_bool_t
_cairo_surface_is_win32_printing (cairo_surface_t *surface);
cairo_status_t
_cairo_win32_surface_finish (void *abstract_surface);
cairo_bool_t
_cairo_win32_surface_get_extents (void *abstract_surface,
cairo_rectangle_int_t *rectangle);
uint32_t
_cairo_win32_flags_for_dc (HDC dc);
cairo_status_t
_cairo_win32_surface_set_clip_region (void *abstract_surface,
cairo_region_t *region);
cairo_int_status_t
_cairo_win32_surface_show_glyphs_internal (void *surface,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_scaled_font_t *scaled_font,
const cairo_clip_t *clip,
int *remaining_glyphs,
cairo_bool_t glyph_indices);
cairo_int_status_t
_cairo_win32_surface_show_glyphs (void *surface,
cairo_operator_t op,
const cairo_pattern_t *source,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_scaled_font_t *scaled_font,
const cairo_clip_t *clip,
int *remaining_glyphs);
cairo_surface_t *
_cairo_win32_surface_create_similar (void *abstract_src,
cairo_content_t content,
int width,
int height);
cairo_status_t
_cairo_win32_surface_clone_similar (void *abstract_surface,
cairo_surface_t *src,
cairo_content_t content,
int src_x,
int src_y,
int width,
int height,
int *clone_offset_x,
int *clone_offset_y,
cairo_surface_t **clone_out);
static inline void
_cairo_matrix_to_win32_xform (const cairo_matrix_t *m,
XFORM *xform)
{
xform->eM11 = (FLOAT) m->xx;
xform->eM21 = (FLOAT) m->xy;
xform->eM12 = (FLOAT) m->yx;
xform->eM22 = (FLOAT) m->yy;
xform->eDx = (FLOAT) m->x0;
xform->eDy = (FLOAT) m->y0;
}
cairo_int_status_t
_cairo_win32_save_initial_clip (HDC dc, cairo_win32_surface_t *surface);
cairo_int_status_t
_cairo_win32_restore_initial_clip (cairo_win32_surface_t *surface);
void
_cairo_win32_debug_dump_hrgn (HRGN rgn, char *header);
cairo_bool_t
_cairo_win32_scaled_font_is_type1 (cairo_scaled_font_t *scaled_font);
cairo_bool_t
_cairo_win32_scaled_font_is_bitmap (cairo_scaled_font_t *scaled_font);
#endif /* CAIRO_WIN32_PRIVATE_H */
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