-
Notifications
You must be signed in to change notification settings - Fork 1
/
Clipbord.cpp
206 lines (170 loc) · 4.92 KB
/
Clipbord.cpp
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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
/*
Clipboard routines
Copyright (c) 1997 Paul de Leeuw
*/
#include <windows.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "manpwin.h"
#include "Dib.h"
//#include "winbit.h"
#define DestroyAllObjects() { \
if(hdest != NULL && lpbd != NULL) GlobalUnlock(hdest);\
if(hsource != NULL && lpbs != NULL) GlobalUnlock(hsource);\
if(hdest != NULL) GlobalFree(hdest);\
}
#define RGB_RED 0
#define RGB_GREEN 1
#define RGB_BLUE 2
#define RGB_SIZE 3
extern DWORD biCompression; // BMP type compression
extern int file_type;
extern HPALETTE hpal;
extern HANDLE BitMap; // Bitmap Handle
extern BOOL Picture_active_flag;
extern int xdots, ydots, bits_per_pixel, height, width;
BYTE *CreateDib(WORD, WORD, BYTE *, WORD);
extern int DibBlt(HDC,int,int,int, int,HANDLE,int,int);
BYTE *GetOrthoPalette(BYTE *);
extern int Force24Bit(HWND, char *);
extern CDib Dib; // Device Independent Bitmap
int CopyPictureToClipboard(HWND hwnd)
{
LPBITMAPINFOHEADER lpbs=NULL,lpbd=NULL;
BYTE *hdest=NULL;
HANDLE hsource=NULL;
WORD colours_used;
DWORD PictureSize, Offset;
BYTE palette[768];
if(bits_per_pixel==24)
GetOrthoPalette(palette);
if((hdest=CreateDib((WORD)width, (WORD)height, (BYTE *)palette, (WORD)bits_per_pixel))==NULL)
{
DestroyAllObjects();
return(-1);
}
if((lpbd=(LPBITMAPINFOHEADER)GlobalLock(hdest))==NULL)
{
DestroyAllObjects();
return(-1);
}
switch (bits_per_pixel)
{
case 1:
colours_used = 2;
break;
case 4:
colours_used = 16;
break;
case 8:
colours_used = 256;
break;
default:
// A 24 bitcount DIB has no color table so use 256
colours_used = 0;
}
PictureSize = lpbd->biSizeImage;
Offset = (DWORD)sizeof(BITMAPINFOHEADER)+
(DWORD)colours_used*(DWORD)sizeof(RGBQUAD);
memcpy((char *)lpbd + Offset,(char *)Dib.DibPixels, PictureSize); // picture
lpbd=NULL;
OpenClipboard(hwnd);
EmptyClipboard();
SetClipboardData(CF_DIB,hdest);
SetClipboardData(CF_PALETTE,hpal);
CloseClipboard();
hdest=NULL;
DestroyAllObjects();
return(0);
}
/**************************************************************************
Linear 256 Colour Palette
**************************************************************************/
#define ORTHOMATCH(r,g,b) (((r) & 0x00e0) | (((g) >> 3) & 0x001c) | (((b) >> 6) & 0x0003))
BYTE *GetOrthoPalette(BYTE *buffer)
{
static int expandbits32[]={ 32,64,96,128,160,192,224,255 };
static int expandbits16[]={ 64,128,192,255 };
static char palette[768];
int r,g,b,i,rr,gg,bb;
for(r=0;r<8;++r)
{
for(g=0;g<8;++g)
{
for(b=0;b<4;++b)
{
rr=expandbits32[r];
gg=expandbits32[g];
bb=expandbits16[b];
i=ORTHOMATCH(r<<5,g<<5,b<<6);
palette[i*RGB_SIZE+RGB_RED]=(char)rr;
palette[i*RGB_SIZE+RGB_GREEN]=(char)gg;
palette[i*RGB_SIZE+RGB_BLUE]=(char)bb;
}
}
}
if(buffer != NULL)
memcpy(buffer,palette,768);
return((BYTE *)palette);
}
/**************************************************************************
Round bit depths up to legal values for a bitmap
**************************************************************************/
WORD AdjustDIBits(WORD n)
{
if (n == 1)
return(1);
else if (n > 1 && n <= 4)
return(4);
else if (n > 4 && n <= 8)
return(8);
else
return(24);
}
/**************************************************************************
Create an empty bitmap
**************************************************************************/
BYTE *CreateDib(WORD dx, WORD dy, BYTE *palette, WORD bits)
{
BYTE *hdibN;
BITMAPINFOHEADER bi;
LPBITMAPINFOHEADER lpbi;
RGBQUAD FAR *pRgb;
WORD i;
bits=AdjustDIBits(bits);
bi.biSize = (DWORD)sizeof(BITMAPINFOHEADER);
bi.biPlanes = 1;
bi.biBitCount = bits;
bi.biWidth = (DWORD)dx;
bi.biHeight = (DWORD)dy;
bi.biCompression = BI_RGB;
bi.biXPelsPerMeter = 0;
bi.biYPelsPerMeter = 0;
bi.biClrUsed = bits > 8 ? 0L : (DWORD)((1<<bits) & 0xffff);
bi.biClrImportant = bi.biClrUsed;
bi.biSizeImage = WIDTHBYTES(bi.biWidth*bi.biBitCount)*(long)dy;
if ((hdibN = (BYTE *)GlobalAlloc(GMEM_MOVEABLE | GMEM_DISCARDABLE |
GMEM_ZEROINIT,sizeof(BITMAPINFOHEADER) +
(long)bi.biClrUsed*sizeof(RGBQUAD)+bi.biSizeImage))==NULL)
return(NULL);
if((lpbi=(LPBITMAPINFOHEADER)GlobalLock(hdibN)) == NULL)
{
GlobalFree(hdibN);
return(NULL);
}
memcpy((LPSTR)lpbi,(LPSTR)&bi,sizeof(BITMAPINFOHEADER));
if (palette != NULL)
{
pRgb = (RGBQUAD FAR *)((LPSTR)lpbi + (unsigned int)lpbi->biSize);
for (i = 0; i < bi.biClrUsed; ++i)
{
pRgb[i].rgbRed=(char)palette[i*RGB_SIZE+RGB_RED];
pRgb[i].rgbGreen=(char)palette[i*RGB_SIZE+RGB_GREEN];
pRgb[i].rgbBlue=(char)palette[i*RGB_SIZE+RGB_BLUE];
pRgb[i].rgbReserved=0;
}
}
GlobalUnlock(hdibN);
return(hdibN);
}