forked from KolibriOS/kolibrios
214 lines
6.3 KiB
C
214 lines
6.3 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2005 Red Hat, Inc
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is Red Hat, Inc.
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*
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* Contributor(s):
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* Owen Taylor <otaylor@redhat.com>
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*/
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#ifndef CAIRO_WIN32_PRIVATE_H
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#define CAIRO_WIN32_PRIVATE_H
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#include "cairo-win32.h"
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#include "cairoint.h"
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#include "cairo-surface-clipper-private.h"
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#ifndef SHADEBLENDCAPS
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#define SHADEBLENDCAPS 120
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#endif
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#ifndef SB_NONE
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#define SB_NONE 0
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#endif
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#define WIN32_FONT_LOGICAL_SCALE 32
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typedef struct _cairo_win32_surface {
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cairo_surface_t base;
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cairo_format_t format;
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HDC dc;
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/* We create off-screen surfaces as DIBs or DDBs, based on what we created
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* originally*/
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HBITMAP bitmap;
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cairo_bool_t is_dib;
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/* Used to save the initial 1x1 monochrome bitmap for the DC to
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* select back into the DC before deleting the DC and our
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* bitmap. For Windows XP, this doesn't seem to be necessary
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* ... we can just delete the DC and that automatically unselects
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* out bitmap. But it's standard practice so apparently is needed
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* on some versions of Windows.
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*/
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HBITMAP saved_dc_bitmap;
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cairo_surface_t *image;
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cairo_rectangle_int_t extents;
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/* Initial clip bits
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* We need these kept around so that we maintain
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* whatever clip was set on the original DC at creation
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* time when cairo is asked to reset the surface clip.
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*/
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cairo_rectangle_int_t clip_rect;
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HRGN initial_clip_rgn;
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cairo_bool_t had_simple_clip;
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cairo_region_t *clip_region;
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/* For path clipping to the printing-surface */
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cairo_surface_clipper_t clipper;
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/* Surface DC flags */
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uint32_t flags;
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/* printing surface bits */
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cairo_paginated_mode_t paginated_mode;
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cairo_content_t content;
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cairo_bool_t path_empty;
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cairo_bool_t has_ctm;
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cairo_matrix_t ctm;
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cairo_bool_t has_gdi_ctm;
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cairo_matrix_t gdi_ctm;
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HBRUSH brush, old_brush;
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cairo_scaled_font_subsets_t *font_subsets;
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} cairo_win32_surface_t;
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/* Surface DC flag values */
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enum {
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/* If this is a surface created for printing or not */
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CAIRO_WIN32_SURFACE_FOR_PRINTING = (1<<0),
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/* Whether the DC is a display DC or not */
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CAIRO_WIN32_SURFACE_IS_DISPLAY = (1<<1),
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/* Whether we can use BitBlt with this surface */
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CAIRO_WIN32_SURFACE_CAN_BITBLT = (1<<2),
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/* Whether we can use AlphaBlend with this surface */
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CAIRO_WIN32_SURFACE_CAN_ALPHABLEND = (1<<3),
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/* Whether we can use StretchBlt with this surface */
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CAIRO_WIN32_SURFACE_CAN_STRETCHBLT = (1<<4),
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/* Whether we can use StretchDIBits with this surface */
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CAIRO_WIN32_SURFACE_CAN_STRETCHDIB = (1<<5),
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/* Whether we can use GradientFill rectangles with this surface */
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CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT = (1<<6),
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/* Whether we can use the CHECKJPEGFORMAT escape function */
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CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG = (1<<7),
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/* Whether we can use the CHECKJPEGFORMAT escape function */
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CAIRO_WIN32_SURFACE_CAN_CHECK_PNG = (1<<8),
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};
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cairo_status_t
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_cairo_win32_print_gdi_error (const char *context);
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cairo_bool_t
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_cairo_surface_is_win32 (cairo_surface_t *surface);
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cairo_bool_t
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_cairo_surface_is_win32_printing (cairo_surface_t *surface);
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cairo_status_t
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_cairo_win32_surface_finish (void *abstract_surface);
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cairo_bool_t
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_cairo_win32_surface_get_extents (void *abstract_surface,
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cairo_rectangle_int_t *rectangle);
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uint32_t
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_cairo_win32_flags_for_dc (HDC dc);
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cairo_status_t
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_cairo_win32_surface_set_clip_region (void *abstract_surface,
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cairo_region_t *region);
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cairo_int_status_t
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_cairo_win32_surface_show_glyphs (void *surface,
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cairo_operator_t op,
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const cairo_pattern_t *source,
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cairo_glyph_t *glyphs,
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int num_glyphs,
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cairo_scaled_font_t *scaled_font,
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cairo_clip_t *clip,
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int *remaining_glyphs);
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cairo_surface_t *
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_cairo_win32_surface_create_similar (void *abstract_src,
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cairo_content_t content,
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int width,
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int height);
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cairo_status_t
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_cairo_win32_surface_clone_similar (void *abstract_surface,
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cairo_surface_t *src,
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cairo_content_t content,
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int src_x,
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int src_y,
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int width,
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int height,
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int *clone_offset_x,
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int *clone_offset_y,
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cairo_surface_t **clone_out);
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static inline void
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_cairo_matrix_to_win32_xform (const cairo_matrix_t *m,
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XFORM *xform)
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{
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xform->eM11 = (FLOAT) m->xx;
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xform->eM21 = (FLOAT) m->xy;
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xform->eM12 = (FLOAT) m->yx;
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xform->eM22 = (FLOAT) m->yy;
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xform->eDx = (FLOAT) m->x0;
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xform->eDy = (FLOAT) m->y0;
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}
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cairo_int_status_t
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_cairo_win32_save_initial_clip (HDC dc, cairo_win32_surface_t *surface);
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cairo_int_status_t
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_cairo_win32_restore_initial_clip (cairo_win32_surface_t *surface);
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void
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_cairo_win32_debug_dump_hrgn (HRGN rgn, char *header);
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cairo_bool_t
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_cairo_win32_scaled_font_is_type1 (cairo_scaled_font_t *scaled_font);
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cairo_bool_t
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_cairo_win32_scaled_font_is_bitmap (cairo_scaled_font_t *scaled_font);
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#endif /* CAIRO_WIN32_PRIVATE_H */
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