1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/*
*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
*
*Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
*"Software"), to deal in the Software without restriction, including
*without limitation the rights to use, copy, modify, merge, publish,
*distribute, sublicense, and/or sell copies of the Software, and to
*permit persons to whom the Software is furnished to do so, subject to
*the following conditions:
*
*The above copyright notice and this permission notice shall be
*included in all copies or substantial portions of the Software.
*
*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*Except as contained in this notice, the name of the XFree86 Project
*shall not be used in advertising or otherwise to promote the sale, use
*or other dealings in this Software without prior written authorization
*from the XFree86 Project.
*
* Authors: Harold L Hunt II
* Alan Hourihane <alanh@fairlite.demon.co.uk>
*/
/* $XFree86: xc/programs/Xserver/hw/xwin/wingetsp.c,v 1.7 2001/11/01 12:19:40 alanh Exp $ */
#include "win.h"
/* See Porting Layer Definition - p. 55 */
void
winGetSpansNativeGDI (DrawablePtr pDrawable,
int nMax,
DDXPointPtr pPoints,
int *piWidths,
int iSpans,
char *pDsts)
{
PixmapPtr pPixmap = NULL;
winPrivPixmapPtr pPixmapPriv = NULL;
int iSpan;
DDXPointPtr pPoint = NULL;
int *piWidth = NULL;
char *pDst = pDsts;
HBITMAP hbmpWindow, hbmpOrig, hbmpOrig1;
BYTE *pbWindow = NULL;
HDC hdcMem, hdcMem1;
ScreenPtr pScreen = pDrawable->pScreen;
winScreenPriv(pScreen);
/* Branch on the drawable type */
switch (pDrawable->type)
{
case DRAWABLE_PIXMAP:
#if 0
ErrorF ("winGetSpans - DRAWABLE_PIXMAP %08x\n",
pDrawable);
#endif
pPixmap = (PixmapPtr) pDrawable;
pPixmapPriv = winGetPixmapPriv (pPixmap);
/* Open a memory HDC */
hdcMem1 = CreateCompatibleDC (NULL);
hdcMem = CreateCompatibleDC (NULL);
/* Select the drawable pixmap into a DC */
hbmpOrig1 = SelectObject (hdcMem1, pPixmapPriv->hBitmap);
if (hbmpOrig1 == NULL)
FatalError ("winGetSpans - DRAWABLE_PIXMAP - SelectObject () "
"failed on pPixmapPriv->hBitmap\n");
/* Loop through spans */
for (iSpan = 0; iSpan < iSpans; ++iSpan)
{
pPoint = pPoints + iSpan;
piWidth = piWidths + iSpan;
hbmpWindow = winCreateDIBNativeGDI (*piWidth, 1,
pDrawable->depth,
&pbWindow,
NULL);
hbmpOrig = SelectObject (hdcMem, hbmpWindow);
/* Transfer the window bits to the window bitmap */
BitBlt (hdcMem,
0, 0,
*piWidth, 1,
hdcMem1,
pPoint->x, pPoint->y,
SRCCOPY);
memcpy (pDst,
(char*) pbWindow,
PixmapBytePad (*piWidth, pDrawable->depth));
/* Pop the window bitmap out of the HDC and delete the bitmap */
SelectObject (hdcMem, hbmpOrig);
DeleteObject (hbmpWindow);
#if 0
ErrorF ("(%dx%dx%d) (%d,%d) w: %d\n",
pDrawable->width, pDrawable->height, pDrawable->depth,
pPoint->x, pPoint->y, *piWidth);
#endif
/* Calculate offset of next bit destination */
pDst += PixmapBytePad (*piWidth, pDrawable->depth);
}
/* Pop the pixmap's bitmap out of the HDC */
SelectObject (hdcMem1, hbmpOrig1);
/* Delete the HDCs */
DeleteDC (hdcMem1);
DeleteDC (hdcMem);
break;
case DRAWABLE_WINDOW:
#if 0
ErrorF ("winGetSpans - DRAWABLE_WINDOW\n");
#endif
/* Open a memory HDC */
hdcMem = CreateCompatibleDC (NULL);
/* Loop through spans */
for (iSpan = 0; iSpan < iSpans; ++iSpan)
{
pPoint = pPoints + iSpan;
piWidth = piWidths + iSpan;
hbmpWindow = winCreateDIBNativeGDI (*piWidth, 1,
pDrawable->depth,
&pbWindow,
NULL);
hbmpOrig = SelectObject (hdcMem, hbmpWindow);
/* Transfer the window bits to the window bitmap */
BitBlt (hdcMem,
0, 0,
*piWidth, 1,
pScreenPriv->hdcScreen,
pPoint->x, pPoint->y,
SRCCOPY);
memcpy (pDst,
(char*) pbWindow,
PixmapBytePad (*piWidth, pDrawable->depth));
/* Pop the window bitmap out of the HDC */
SelectObject (hdcMem, hbmpOrig);
DeleteObject (hbmpWindow);
#if 0
ErrorF ("(%dx%dx%d) (%d,%d) w: %d\n",
pDrawable->width, pDrawable->height, pDrawable->depth,
pPoint->x, pPoint->y, *piWidth);
#endif
/* Calculate offset of next bit destination */
pDst += PixmapBytePad (*piWidth, pDrawable->depth);
}
/* Delete the window bitmap */
DeleteDC (hdcMem);
break;
case UNDRAWABLE_WINDOW:
FatalError ("winGetSpans - UNDRAWABLE_WINDOW\n");
break;
case DRAWABLE_BUFFER:
FatalError ("winGetSpans - DRAWABLE_BUFFER\n");
break;
default:
FatalError ("winGetSpans - Unknown drawable type\n");
break;
}
}
|
