source: trunk/src/kernel32/cvticon.cpp@ 1036

Last change on this file since 1036 was 997, checked in by sandervl, 26 years ago

Fixes for icon(group) + cursorgroup conversion
File size: 7.0 KB
Line 
1/* $Id: cvticon.cpp,v 1.4 1999-09-21 08:24:53 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
88 bwsize = (bmpHdr->biWidth*(bmpHdr->biHeight/2))/8;
89 colorsize = bmpHdr->biWidth*(bmpHdr->biHeight/2);
90 //SvL: 28-09-'98: only for <= 8
91 if(bmpHdr->biBitCount <= 8)
92 rgbsize = (1<<bmpHdr->biBitCount)*sizeof(RGB2);
93 else rgbsize = 0;
94
95 switch(bmpHdr->biBitCount) {
96 case 1:
97 colorsize /= 8;
98 break;
99 case 4:
100 colorsize /= 2;
101 break;
102 case 8:
103 break;
104 case 16:
105 colorsize *= 2;
106 break;
107 case 24:
108 colorsize *= 3;
109 break;
110 case 32:
111 colorsize *= 4;
112 break;
113 }
114 if(bmpHdr->biSizeImage == 0 && bmpHdr->biCompression == 0) {
115 bmpHdr->biSizeImage = bwsize + colorsize;
116 }
117 dprintf(("Icon size : %d", bmpHdr->biSizeImage));
118 dprintf(("Icon Width : %d", bmpHdr->biWidth));
119 //height for both the XOR and AND bitmap (color & BW)
120 dprintf(("Height : %d", bmpHdr->biHeight));
121 dprintf(("Icon Bitcount: %d", bmpHdr->biBitCount));
122 dprintf(("Icon Compress: %d", bmpHdr->biCompression));
123
124 //SvL: 28-09-'98: cllngenu.dll has an incorrect size in the header
125 if(bmpHdr->biSizeImage < colorsize) {
126 bmpHdr->biSizeImage = colorsize;
127 }
128 //bitmapfileheader for AndXor mask + 2 RGB structs + bitmapfileheader
129 //for color bitmap + RGB structs for all the colors
130 //SvL, 3-3-98: 2*bwsize
131 iconsize = 2*sizeof(BITMAPFILEHEADER2) + 2*sizeof(RGB2) +
132 rgbsize + 2*bwsize + bmpHdr->biSizeImage;
133
134 iconhdr = (BITMAPFILEHEADER2 *)malloc(iconsize);
135 memset(iconhdr, 0, iconsize);
136 iconhdr->usType = BFT_COLORICON;
137 iconhdr->cbSize = sizeof(BITMAPFILEHEADER2);
138 iconhdr->xHotspot = 0;
139 iconhdr->yHotspot = 0;
140 iconhdr->offBits = 2*sizeof(BITMAPFILEHEADER2) +
141 2*sizeof(RGB2) + rgbsize + offsetBits;
142 iconhdr->bmp2.cbFix = sizeof(BITMAPINFOHEADER2);
143 iconhdr->bmp2.cx = (USHORT)bmpHdr->biWidth;
144 iconhdr->bmp2.cy = (USHORT)bmpHdr->biHeight;
145 iconhdr->bmp2.cPlanes = 1;
146 iconhdr->bmp2.cBitCount= 1;
147 iconhdr->bmp2.ulCompression = BCA_UNCOMP;
148 iconhdr->bmp2.ulColorEncoding = BCE_RGB;
149 os2rgb = (RGB2 *)(iconhdr+1);
150 memset(os2rgb, 0, sizeof(RGB2));
151 memset(os2rgb+1, 0xff, sizeof(RGB)); //not reserved byte!
152 iconhdr2 = (BITMAPFILEHEADER2 *)(os2rgb+2);
153 iconhdr2->usType = BFT_COLORICON;
154 iconhdr2->cbSize = sizeof(BITMAPFILEHEADER2);
155 iconhdr2->xHotspot = 0;
156 iconhdr2->yHotspot = 0;
157 iconhdr2->offBits = 2*sizeof(BITMAPFILEHEADER2) +
158 2*sizeof(RGB2) + rgbsize + 2*bwsize + offsetBits;
159 iconhdr2->bmp2.cbFix = sizeof(BITMAPINFOHEADER2);
160 iconhdr2->bmp2.cx = (USHORT)bmpHdr->biWidth;
161 iconhdr2->bmp2.cy = (USHORT)(bmpHdr->biHeight/2);
162 iconhdr2->bmp2.cPlanes = bmpHdr->biPlanes;
163 iconhdr2->bmp2.cBitCount= bmpHdr->biBitCount;
164 iconhdr2->bmp2.ulCompression = BCA_UNCOMP;
165 iconhdr2->bmp2.ulColorEncoding = BCE_RGB;
166 os2rgb = (RGB2 *)(iconhdr2+1);
167 rgb = (RGBQUAD *)(bmpHdr+1);
168 if(bmpHdr->biBitCount < 24) {
169 for(i=0;i<(1<<bmpHdr->biBitCount);i++) {
170 os2rgb->bRed = rgb->red;
171 os2rgb->bBlue = rgb->blue;
172 os2rgb->bGreen = rgb->green;
173 os2rgb++;
174 rgb++;
175 }
176 }
177 //write 2*mono pixels + color pixels
178 //There are icons without an AND mask, so check for it
179 if(bmpHdr->biSizeImage == colorsize)
180 {
181 memset((char *)os2rgb, 0, bwsize);
182 memset((char *)os2rgb+bwsize, 0, bwsize);
183 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
184 }
185 else {
186 memset((char *)os2rgb, 0, bwsize); // windows has no xor mask
187 memcpy((char *)os2rgb+bwsize, (char *)rgb+colorsize, bwsize); // and-mask
188 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize); // color(xor-mask)
189
190// memcpy((char *)os2rgb, (char *)rgb+colorsize, bwsize);
191// memcpy((char *)os2rgb+bwsize, (char *)rgb+colorsize, bwsize);
192// memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
193 }
194 *os2size = iconsize;
195 return (void *)iconhdr;
196}
197//******************************************************************************
198//******************************************************************************
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