source: trunk/src/user32/icon.cpp@ 4145

Last change on this file since 4145 was 2804, checked in by sandervl, 26 years ago

Added new logging feature
File size: 4.8 KB
Line 
1/* $Id: icon.cpp,v 1.10 2000-02-16 14:34:19 sandervl Exp $ */
2
3/*
4 * Win32 icon conversion functions for OS/2
5 *
6 * Copyright 1998 Sander van Leeuwen
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> //Odin32 OS/2 api wrappers
20#include <stdio.h>
21#include <string.h>
22#include <stdlib.h>
23#include <iostream.h>
24#include <string.h>
25
26#include <win32type.h>
27
28#include <winicon.h>
29#include <misc.h>
30
31#define DBG_LOCALLOG DBG_icon
32#include "dbglocal.h"
33
34//******************************************************************************
35//******************************************************************************
36PBYTE ConvertWin32Icon(PBYTE presbits, DWORD dwResSize, DWORD *OS2ResSize)
37{
38 WINBITMAPINFOHEADER *bmpHdr = (WINBITMAPINFOHEADER *)presbits;
39 BITMAPFILEHEADER *iconhdr;
40 BITMAPFILEHEADER *iconhdr2;
41 RGBQUAD *rgb;
42 RGB *os2rgb;
43 int bwsize, i, colorsize, rgbsize, iconsize;
44
45 bwsize = (bmpHdr->biWidth*(bmpHdr->biHeight/2))/8;
46 colorsize = bmpHdr->biWidth*(bmpHdr->biHeight/2);
47 if(bmpHdr->biBitCount < 24)
48 rgbsize = (1<<bmpHdr->biBitCount)*sizeof(RGB);
49 else rgbsize = 0;
50
51 switch(bmpHdr->biBitCount) {
52 case 1:
53 colorsize /= 8;
54 break;
55 case 4:
56 colorsize /= 2;
57 break;
58 case 8:
59 break;
60 case 16:
61 colorsize *= 2;
62 break;
63 case 24:
64 colorsize *= 3;
65 break;
66 case 32:
67 colorsize *= 4;
68 break;
69 }
70 if(bmpHdr->biSizeImage == 0 && bmpHdr->biCompression == 0) {
71 bmpHdr->biSizeImage = bwsize + colorsize;
72 }
73#if 0
74 cout << "Icon size : " << bmpHdr->biSizeImage << endl;
75 cout << "Icon Width : " << bmpHdr->biWidth << endl;
76//height for both the XOR and AND bitmap (color & BW)
77 cout << "Height : " << bmpHdr->biHeight << endl;
78 cout << "Icon Bitcount: " << bmpHdr->biBitCount << endl;
79 cout << "Icon Compress: " << bmpHdr->biCompression << endl;
80#endif
81
82 //bitmapfileheader for AndXor mask + 2 RGB structs + bitmapfileheader
83 //for color bitmap + RGB structs for all the colors
84 //SvL, 15-3-98: 2*bwsize
85 iconsize = 2*sizeof(BITMAPFILEHEADER) + 2*sizeof(RGB) +
86 rgbsize + 2*bwsize + bmpHdr->biSizeImage;
87 //There are icons without an XOR mask, so check for it
88 if(bmpHdr->biSizeImage == colorsize) {
89 iconsize += bwsize;
90 }
91 iconhdr = (BITMAPFILEHEADER *)malloc(iconsize);
92 iconhdr->usType = BFT_COLORICON;
93 iconhdr->cbSize = sizeof(BITMAPFILEHEADER);
94 iconhdr->xHotspot = 0;
95 iconhdr->yHotspot = 0;
96 iconhdr->offBits = 2*sizeof(BITMAPFILEHEADER) +
97 2*sizeof(RGB) + rgbsize;
98 iconhdr->bmp.cbFix = sizeof(BITMAPINFOHEADER);
99 iconhdr->bmp.cx = (USHORT)bmpHdr->biWidth;
100 iconhdr->bmp.cy = (USHORT)bmpHdr->biHeight;
101 iconhdr->bmp.cPlanes = 1;
102 iconhdr->bmp.cBitCount = 1;
103 os2rgb = (RGB *)(iconhdr+1);
104 memset(os2rgb, 0, sizeof(RGB));
105 memset(os2rgb+1, 0xff, sizeof(RGB));
106 iconhdr2 = (BITMAPFILEHEADER *)(os2rgb+2);
107 iconhdr2->usType = BFT_COLORICON;
108 iconhdr2->cbSize = sizeof(BITMAPFILEHEADER);
109 iconhdr2->xHotspot = 0;
110 iconhdr2->yHotspot = 0;
111 iconhdr2->offBits = 2*sizeof(BITMAPFILEHEADER) +
112 2*sizeof(RGB) + rgbsize + 2*bwsize;
113 iconhdr2->bmp.cbFix = sizeof(BITMAPINFOHEADER);
114 iconhdr2->bmp.cx = (USHORT)bmpHdr->biWidth;
115 iconhdr2->bmp.cy = (USHORT)(bmpHdr->biHeight/2);
116 iconhdr2->bmp.cPlanes = bmpHdr->biPlanes;
117 iconhdr2->bmp.cBitCount= bmpHdr->biBitCount;
118 os2rgb = (RGB *)(iconhdr2+1);
119 rgb = (RGBQUAD *)(bmpHdr+1);
120 if(bmpHdr->biBitCount < 24) {
121 for(i=0;i<(1<<bmpHdr->biBitCount);i++) {
122 os2rgb->bRed = rgb->red;
123 os2rgb->bBlue = rgb->blue;
124 os2rgb->bGreen = rgb->green;
125 os2rgb++;
126 rgb++;
127 }
128 }
129 //write 2*mono pixels + color pixels
130 //There are icons without an XOR mask, so check for it
131 if(bmpHdr->biSizeImage == colorsize) {
132 memset((char *)os2rgb, 0, bwsize);
133 memset((char *)os2rgb+bwsize, 0, bwsize);
134 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
135 }
136 else {
137 memcpy((char *)os2rgb, (char *)rgb+colorsize, bwsize);
138 memcpy((char *)os2rgb+bwsize, (char *)rgb+colorsize, bwsize);
139 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
140 }
141 *OS2ResSize = iconsize;
142 return((PBYTE)iconhdr);
143}
144//******************************************************************************
145//******************************************************************************
146void FreeIcon(void *os2icon)
147{
148 free(os2icon);
149}
150//******************************************************************************
151//******************************************************************************
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