source: trunk/src/pe2lx/icon.cpp

Last change on this file was 411, checked in by sandervl, 26 years ago

Icon conversion bugfix
File size: 7.3 KB
Line 
1/* $Id: icon.cpp,v 1.5 1999-08-04 13:10:14 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 <os2.h>
20#include <stdio.h>
21#include <string.h>
22#include <stdlib.h>
23#include <iostream.h>
24#include <string.h>
25#include "pefile.h"
26#include "lx.h"
27#include "icon.h"
28#include "misc.h"
29
30
31//******************************************************************************
32//******************************************************************************
33OS2Icon::OS2Icon(int id, WINBITMAPINFOHEADER *bmpHdr, int size) :
34 id(0), next(NULL), iconhdr(NULL), iconsize(0), prevoffset(0)
35{
36 RGBQUAD *rgb;
37 RGB2 *os2rgb;
38 int bwsize, i, colorsize, rgbsize;
39 OS2Icon *icon = OS2Icon::icons;
40
41 if(icon != NULL) {
42 while(icon->next != NULL) {
43 icon = icon->next;
44 }
45 icon->next = this;
46 }
47 else icons = this;
48
49 this->id = id;
50 bwsize = (bmpHdr->biWidth*(bmpHdr->biHeight/2))/8;
51 colorsize = bmpHdr->biWidth*(bmpHdr->biHeight/2);
52 //SvL: 28-09-'98: only for <= 8
53 if(bmpHdr->biBitCount <= 8)
54 rgbsize = (1<<bmpHdr->biBitCount)*sizeof(RGB2);
55 else rgbsize = 0;
56
57 switch(bmpHdr->biBitCount) {
58 case 1:
59 colorsize /= 8;
60 break;
61 case 4:
62 colorsize /= 2;
63 break;
64 case 8:
65 break;
66 case 16:
67 colorsize *= 2;
68 break;
69 case 24:
70 colorsize *= 3;
71 break;
72 case 32:
73 colorsize *= 4;
74 break;
75 }
76 if(bmpHdr->biSizeImage == 0 && bmpHdr->biCompression == 0) {
77 bmpHdr->biSizeImage = bwsize + colorsize;
78 }
79 cout << "Icon size : " << bmpHdr->biSizeImage << endl;
80 cout << "Icon Width : " << bmpHdr->biWidth << endl;
81//height for both the XOR and AND bitmap (color & BW)
82 cout << "Height : " << bmpHdr->biHeight << endl;
83 cout << "Icon Bitcount: " << bmpHdr->biBitCount << endl;
84 cout << "Icon Compress: " << bmpHdr->biCompression << endl;
85
86 //SvL: 28-09-'98: cllngenu.dll has an incorrect size in the header
87 if(bmpHdr->biSizeImage < colorsize) {
88 bmpHdr->biSizeImage = colorsize;
89 }
90 //bitmapfileheader for AndXor mask + 2 RGB structs + bitmapfileheader
91 //for color bitmap + RGB structs for all the colors
92 //SvL, 3-3-98: 2*bwsize
93 iconsize = 2*sizeof(BITMAPFILEHEADER2) + 2*sizeof(RGB2) +
94 rgbsize + 2*bwsize + bmpHdr->biSizeImage;
95 //There are icons without an XOR mask, so check for it
96 if(bmpHdr->biSizeImage == colorsize) {
97 iconsize += bwsize;
98 }
99 iconhdr = (BITMAPFILEHEADER2 *)malloc(iconsize);
100 memset(iconhdr, 0, iconsize);
101 iconhdr->usType = BFT_COLORICON;
102 iconhdr->cbSize = sizeof(BITMAPFILEHEADER2);
103 iconhdr->xHotspot = 0;
104 iconhdr->yHotspot = 0;
105 iconhdr->offBits = 2*sizeof(BITMAPFILEHEADER2) +
106 2*sizeof(RGB2) + rgbsize;
107 iconhdr->bmp2.cbFix = sizeof(BITMAPINFOHEADER2);
108 iconhdr->bmp2.cx = (USHORT)bmpHdr->biWidth;
109 iconhdr->bmp2.cy = (USHORT)bmpHdr->biHeight;
110 iconhdr->bmp2.cPlanes = 1;
111 iconhdr->bmp2.cBitCount= 1;
112 iconhdr->bmp2.ulCompression = BCA_UNCOMP;
113 iconhdr->bmp2.ulColorEncoding = BCE_RGB;
114 os2rgb = (RGB2 *)(iconhdr+1);
115 memset(os2rgb, 0, sizeof(RGB2));
116 memset(os2rgb+1, 0xff, sizeof(RGB2)); //not reserved byte
117 iconhdr2 = (BITMAPFILEHEADER2 *)(os2rgb+2);
118 iconhdr2->usType = BFT_COLORICON;
119 iconhdr2->cbSize = sizeof(BITMAPFILEHEADER2);
120 iconhdr2->xHotspot = 0;
121 iconhdr2->yHotspot = 0;
122 iconhdr2->offBits = 2*sizeof(BITMAPFILEHEADER2) +
123 2*sizeof(RGB2) + rgbsize + 2*bwsize;
124 iconhdr2->bmp2.cbFix = sizeof(BITMAPINFOHEADER2);
125 iconhdr2->bmp2.cx = (USHORT)bmpHdr->biWidth;
126 iconhdr2->bmp2.cy = (USHORT)(bmpHdr->biHeight/2);
127 iconhdr2->bmp2.cPlanes = bmpHdr->biPlanes;
128 iconhdr2->bmp2.cBitCount= bmpHdr->biBitCount;
129 iconhdr2->bmp2.ulCompression = BCA_UNCOMP;
130 iconhdr2->bmp2.ulColorEncoding = BCE_RGB;
131 os2rgb = (RGB2 *)(iconhdr2+1);
132 rgb = (RGBQUAD *)(bmpHdr+1);
133 if(bmpHdr->biBitCount < 24) {
134 for(i=0;i<(1<<bmpHdr->biBitCount);i++) {
135//// cout << "(R,G,B) = (" << (int)rgb->red << ", " << (int)rgb->green << ", " << (int)rgb->blue << ")" << endl;
136 os2rgb->bRed = rgb->red;
137 os2rgb->bBlue = rgb->blue;
138 os2rgb->bGreen = rgb->green;
139 os2rgb++;
140 rgb++;
141 }
142 }
143 //write 2*mono pixels + color pixels
144 //There are icons without an XOR mask, so check for it
145 if(bmpHdr->biSizeImage == colorsize) {
146 memset((char *)os2rgb, 0, bwsize);
147 memset((char *)os2rgb+bwsize, 0, bwsize);
148 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
149 }
150 else {
151 memcpy((char *)os2rgb, (char *)rgb+colorsize, bwsize);
152 memcpy((char *)os2rgb+bwsize, (char *)rgb+colorsize, bwsize);
153 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
154 }
155}
156//******************************************************************************
157//******************************************************************************
158void OS2Icon::SetIconHdrOffset(int offset)
159{
160 iconhdr->offBits += offset - prevoffset;
161 iconhdr2->offBits += offset - prevoffset;
162 //remember in case icons are used in multiple groups
163 //(can't imagine this ever happening, but you never know)
164 prevoffset = offset;
165}
166//******************************************************************************
167//******************************************************************************
168OS2Icon::~OS2Icon()
169{
170 if(iconhdr) free(iconhdr);
171}
172//******************************************************************************
173//******************************************************************************
174int OS2Icon::QueryIconSize()
175{
176 return(iconsize);
177}
178//******************************************************************************
179//******************************************************************************
180BITMAPFILEHEADER2 *OS2Icon::GetIconHeader()
181{
182 return(iconhdr);
183}
184//******************************************************************************
185//******************************************************************************
186/*static*/ OS2Icon *OS2Icon::GetIcon(int id)
187{
188 OS2Icon *icon = OS2Icon::icons;
189
190 while(icon != NULL) {
191 if(icon->id == id) return(icon);
192 icon = icon->next;
193 }
194 return(NULL);
195}
196//******************************************************************************
197//******************************************************************************
198/*static*/ void OS2Icon::DestroyAll()
199{
200 OS2Icon *icon = OS2Icon::icons, *next;
201
202 while(icon != NULL) {
203 next = icon->next;
204 delete(icon);
205 icon = next;
206 }
207}
208//******************************************************************************
209//******************************************************************************
210OS2Icon *OS2Icon::icons = NULL;
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