source: trunk/src/kernel32/cvticon.cpp@ 2004

Last change on this file since 2004 was 1475, checked in by sandervl, 26 years ago

Color cursor changes + dll loading fixes
File size: 6.8 KB
Line 
1/* $Id: cvticon.cpp,v 1.6 1999-10-27 10:35:41 sandervl Exp $ */
2
3/*
4 * PE2LX icons
5 *
6 * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
7 *
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12#define INCL_GPIBITMAPS
13#define INCL_BITMAPFILEFORMAT
14#define INCL_DOSFILEMGR /* File Manager values */
15#define INCL_DOSERRORS /* DOS Error values */
16#define INCL_DOSPROCESS /* DOS Process values */
17#define INCL_DOSMISC /* DOS Miscellanous values */
18#define INCL_WIN
19#include <os2wrap.h>
20#include <stdio.h>
21#include <string.h>
22#include <stdlib.h>
23#include <string.h>
24#include <win32type.h>
25#include <winicon.h>
26#include <misc.h>
27
28//******************************************************************************
29//******************************************************************************
30ULONG QueryConvertedIconSize(WINBITMAPINFOHEADER *bmpHdr, int size)
31{
32 int bwsize, colorsize, rgbsize, iconsize;
33
34 bwsize = (bmpHdr->biWidth*(bmpHdr->biHeight/2))/8;
35 colorsize = bmpHdr->biWidth*(bmpHdr->biHeight/2);
36 //SvL: 28-09-'98: only for <= 8
37 if(bmpHdr->biBitCount <= 8)
38 rgbsize = (1<<bmpHdr->biBitCount)*sizeof(RGB2);
39 else rgbsize = 0;
40
41 switch(bmpHdr->biBitCount) {
42 case 1:
43 colorsize /= 8;
44 break;
45 case 4:
46 colorsize /= 2;
47 break;
48 case 8:
49 break;
50 case 16:
51 colorsize *= 2;
52 break;
53 case 24:
54 colorsize *= 3;
55 break;
56 case 32:
57 colorsize *= 4;
58 break;
59 }
60 if(bmpHdr->biSizeImage == 0 && bmpHdr->biCompression == 0) {
61 bmpHdr->biSizeImage = bwsize + colorsize;
62 }
63
64 //SvL: 28-09-'98: cllngenu.dll has an incorrect size in the header
65 if(bmpHdr->biSizeImage < colorsize) {
66 bmpHdr->biSizeImage = colorsize;
67 }
68 //bitmapfileheader for AndXor mask + 2 RGB structs + bitmapfileheader
69 //for color bitmap + RGB structs for all the colors
70 //SvL, 3-3-98: 2*bwsize
71 iconsize = 2*sizeof(BITMAPFILEHEADER2) + 2*sizeof(RGB2) +
72 rgbsize + 2*bwsize + bmpHdr->biSizeImage;
73
74 return iconsize;
75}
76//******************************************************************************
77//NOTE: offsetBits is the value added to the offBits bitmap structure members
78// (handy for converting icon groups)
79//******************************************************************************
80void *ConvertIcon(WINBITMAPINFOHEADER *bmpHdr, int size, int *os2size, int offsetBits)
81{
82 RGBQUAD *rgb;
83 RGB2 *os2rgb;
84 int bwsize, i, colorsize, rgbsize, iconsize;
85 BITMAPFILEHEADER2 *iconhdr;
86 BITMAPFILEHEADER2 *iconhdr2;
87 char *pAnd, *pXor;
88
89 bwsize = (bmpHdr->biWidth*(bmpHdr->biHeight/2))/8;
90 colorsize = bmpHdr->biWidth*(bmpHdr->biHeight/2);
91 //SvL: 28-09-'98: only for <= 8
92 if(bmpHdr->biBitCount <= 8)
93 rgbsize = (1<<bmpHdr->biBitCount)*sizeof(RGB2);
94 else rgbsize = 0;
95
96 switch(bmpHdr->biBitCount) {
97 case 1:
98 colorsize /= 8;
99 break;
100 case 4:
101 colorsize /= 2;
102 break;
103 case 8:
104 break;
105 case 16:
106 colorsize *= 2;
107 break;
108 case 24:
109 colorsize *= 3;
110 break;
111 case 32:
112 colorsize *= 4;
113 break;
114 }
115 if(bmpHdr->biSizeImage == 0 && bmpHdr->biCompression == 0) {
116 bmpHdr->biSizeImage = bwsize + colorsize;
117 }
118 dprintf(("Icon size : %d", bmpHdr->biSizeImage));
119 dprintf(("Icon Width : %d", bmpHdr->biWidth));
120 //height for both the XOR and AND bitmap (color & BW)
121 dprintf(("Height : %d", bmpHdr->biHeight));
122 dprintf(("Icon Bitcount: %d", bmpHdr->biBitCount));
123 dprintf(("Icon Compress: %d", bmpHdr->biCompression));
124
125 //SvL: 28-09-'98: cllngenu.dll has an incorrect size in the header
126 if(bmpHdr->biSizeImage < colorsize) {
127 bmpHdr->biSizeImage = colorsize;
128 }
129 //bitmapfileheader for AndXor mask + 2 RGB structs + bitmapfileheader
130 //for color bitmap + RGB structs for all the colors
131 //SvL, 3-3-98: 2*bwsize
132 iconsize = 2*sizeof(BITMAPFILEHEADER2) + 2*sizeof(RGB2) +
133 rgbsize + 2*bwsize + bmpHdr->biSizeImage;
134
135 iconhdr = (BITMAPFILEHEADER2 *)malloc(iconsize);
136 memset(iconhdr, 0, iconsize);
137 iconhdr->usType = BFT_COLORICON;
138 iconhdr->cbSize = sizeof(BITMAPFILEHEADER2);
139 iconhdr->xHotspot = 0;
140 iconhdr->yHotspot = 0;
141 iconhdr->offBits = 2*sizeof(BITMAPFILEHEADER2) +
142 2*sizeof(RGB2) + rgbsize + offsetBits;
143 iconhdr->bmp2.cbFix = sizeof(BITMAPINFOHEADER2);
144 iconhdr->bmp2.cx = (USHORT)bmpHdr->biWidth;
145 iconhdr->bmp2.cy = (USHORT)bmpHdr->biHeight;
146 iconhdr->bmp2.cPlanes = 1;
147 iconhdr->bmp2.cBitCount= 1;
148 iconhdr->bmp2.ulCompression = BCA_UNCOMP;
149 iconhdr->bmp2.ulColorEncoding = BCE_RGB;
150 os2rgb = (RGB2 *)(iconhdr+1);
151 memset(os2rgb, 0, sizeof(RGB2));
152 memset(os2rgb+1, 0xff, sizeof(RGB)); //not reserved byte!
153 iconhdr2 = (BITMAPFILEHEADER2 *)(os2rgb+2);
154 iconhdr2->usType = BFT_COLORICON;
155 iconhdr2->cbSize = sizeof(BITMAPFILEHEADER2);
156 iconhdr2->xHotspot = 0;
157 iconhdr2->yHotspot = 0;
158 iconhdr2->offBits = 2*sizeof(BITMAPFILEHEADER2) +
159 2*sizeof(RGB2) + rgbsize + 2*bwsize + offsetBits;
160 iconhdr2->bmp2.cbFix = sizeof(BITMAPINFOHEADER2);
161 iconhdr2->bmp2.cx = (USHORT)bmpHdr->biWidth;
162 iconhdr2->bmp2.cy = (USHORT)(bmpHdr->biHeight/2);
163 iconhdr2->bmp2.cPlanes = bmpHdr->biPlanes;
164 iconhdr2->bmp2.cBitCount= bmpHdr->biBitCount;
165 iconhdr2->bmp2.ulCompression = BCA_UNCOMP;
166 iconhdr2->bmp2.ulColorEncoding = BCE_RGB;
167 os2rgb = (RGB2 *)(iconhdr2+1);
168 rgb = (RGBQUAD *)(bmpHdr+1);
169 if(bmpHdr->biBitCount <= 8) {
170 for(i=0;i<(1<<bmpHdr->biBitCount);i++) {
171 os2rgb->bRed = rgb->red;
172 os2rgb->bBlue = rgb->blue;
173 os2rgb->bGreen = rgb->green;
174 os2rgb++;
175 rgb++;
176 }
177 }
178
179 pXor = (char *)os2rgb;
180 pAnd = (char *)os2rgb + bwsize;
181
182 if ((size - (bmpHdr->biSize - rgbsize - colorsize)) == bwsize) {
183 char *q;
184 int i, linesize;
185
186 linesize = bmpHdr->biWidth / 8;
187 q = (char *)rgb + colorsize;
188 for (i = 0; i < (bmpHdr->biHeight/2); i++) {
189 memcpy (pAnd, q, linesize);
190 pAnd += linesize;
191 q += linesize;
192
193 memcpy (pXor, q, linesize);
194 pXor += linesize;
195 q += linesize;
196 }
197 } else {
198 memcpy (pAnd, (char *)rgb + colorsize, bwsize);
199 memset (pXor, 0, bwsize);
200 }
201 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
202
203 *os2size = iconsize;
204 return (void *)iconhdr;
205}
206//******************************************************************************
207//******************************************************************************
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