ReactOS 0.4.15-dev-8222-g9164419
context.c
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1/*
2 * RichEdit - Operation context functions
3 *
4 * Copyright 2004 by Krzysztof Foltman
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21#include "editor.h"
22
24{
25 c->hDC = hDC;
26 c->editor = editor;
27 c->pt.x = 0;
28 c->pt.y = 0;
29 c->rcView = editor->rcFormat;
30 c->current_style = NULL;
31 c->orig_font = NULL;
32 if (hDC) {
33 c->dpi.cx = GetDeviceCaps(hDC, LOGPIXELSX);
34 c->dpi.cy = GetDeviceCaps(hDC, LOGPIXELSY);
35 } else {
36 c->dpi.cx = c->dpi.cy = 96;
37 }
38 if (editor->nAvailWidth)
39 c->nAvailWidth = ME_twips2pointsX(c, editor->nAvailWidth);
40 else
41 c->nAvailWidth = c->rcView.right - c->rcView.left;
42}
43
45{
47 if (c->hDC) ITextHost_TxReleaseDC( c->editor->texthost, c->hDC );
48}
static HDC hDC
Definition: 3dtext.c:33
#define NULL
Definition: types.h:112
void ME_DestroyContext(ME_Context *c)
Definition: context.c:44
void ME_InitContext(ME_Context *c, ME_TextEditor *editor, HDC hDC)
Definition: context.c:23
int ME_twips2pointsX(const ME_Context *c, int x) DECLSPEC_HIDDEN
Definition: paint.c:153
void select_style(ME_Context *c, ME_Style *s) DECLSPEC_HIDDEN
Definition: style.c:369
#define ITextHost_TxReleaseDC(This, a)
Definition: editor.h:288
const GLubyte * c
Definition: glext.h:8905
static HDC
Definition: imagelist.c:92
int WINAPI GetDeviceCaps(_In_opt_ HDC, _In_ int)
#define LOGPIXELSY
Definition: wingdi.h:719
#define LOGPIXELSX
Definition: wingdi.h:718