/* 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 */ #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; 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 (void *surface, cairo_operator_t op, const cairo_pattern_t *source, cairo_glyph_t *glyphs, int num_glyphs, cairo_scaled_font_t *scaled_font, 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 */