source: trunk/src/win32k/pe2lx/icon.cpp@ 1031

Last change on this file since 1031 was 847, checked in by bird, 26 years ago

Initial checkin of Win32k. (not tested & pe2lx not up-to-date!)
File size: 7.2 KB
Line 
1/* $Id: icon.cpp,v 1.1 1999-09-06 02:20:04 bird 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
13/*******************************************************************************
14* Header Files *
15*******************************************************************************/
16#include <pe2lx.h>
17#include "icon.h"
18
19
20
21//******************************************************************************
22//******************************************************************************
23OS2Icon::OS2Icon(int id, WINBITMAPINFOHEADER *bmpHdr, int size) :
24id(0), next(NULL), iconhdr(NULL), iconsize(0), prevoffset(0)
25{
26 RGBQUAD *rgb;
27 RGB *os2rgb;
28 int bwsize, i, colorsize, rgbsize;
29 OS2Icon *icon = OS2Icon::icons;
30
31 vltassert((ULONG)bmpHdr > MINPTR && (ULONG)bmpHdr+size < MAXPTR);
32
33 if (icon != NULL)
34 {
35 while (icon->next != NULL)
36 icon = icon->next;
37
38 icon->next = this;
39 }
40 else
41 icons = this;
42
43 this->id = id;
44 bwsize = (bmpHdr->biWidth*(bmpHdr->biHeight/2))/8;
45 colorsize = bmpHdr->biWidth*(bmpHdr->biHeight/2);
46 if (bmpHdr->biBitCount <= 8)
47 rgbsize = (1<<bmpHdr->biBitCount)*sizeof(RGB);
48 else
49 rgbsize = 0;
50
51 switch (bmpHdr->biBitCount)
52 {
53 case 1:
54 colorsize /= 8;
55 break;
56 case 4:
57 colorsize /= 2;
58 break;
59 case 8:
60 break;
61 case 16:
62 colorsize *= 2;
63 break;
64 case 24:
65 colorsize *= 3;
66 break;
67 case 32:
68 colorsize *= 4;
69 break;
70 }
71 if (bmpHdr->biSizeImage == 0 && bmpHdr->biCompression == 0)
72 {
73 bmpHdr->biSizeImage = bwsize + colorsize;
74 }
75 cout << "Icon size : " << bmpHdr->biSizeImage << endl;
76 cout << "Icon Width : " << bmpHdr->biWidth << endl;
77//height for both the XOR and AND bitmap (color & BW)
78 cout << "Height : " << bmpHdr->biHeight << endl;
79 cout << "Icon Bitcount: " << bmpHdr->biBitCount << endl;
80 cout << "Icon Compress: " << bmpHdr->biCompression << endl;
81
82 //SvL: 28-09-'98: cllngenu.dll has an incorrect size in the header
83 if(bmpHdr->biSizeImage < colorsize) {
84 bmpHdr->biSizeImage = colorsize;
85 }
86 //bitmapfileheader for AndXor mask + 2 RGB structs + bitmapfileheader
87 //for color bitmap + RGB structs for all the colors
88 //SvL, 3-3-98: 2*bwsize
89 iconsize = 2*sizeof(BITMAPFILEHEADER) + 2*sizeof(RGB) +
90 rgbsize + 2*bwsize + bmpHdr->biSizeImage;
91 //There are icons without an XOR mask, so check for it
92 if (bmpHdr->biSizeImage == colorsize)
93 {
94 iconsize += bwsize;
95 }
96 iconhdr = (BITMAPFILEHEADER *)malloc(iconsize);
97 if (iconhdr == NULL)
98 {
99 if (icons == this)
100 icons = NULL;
101 else
102 icon->next = NULL;
103 vltassert(iconhdr != NULL);
104 }
105 memset((void*)iconhdr, 0xaa, iconsize); //@KSO: this makes comparing converteded files easier
106
107 iconhdr->usType = BFT_COLORICON;
108 iconhdr->cbSize = sizeof(BITMAPFILEHEADER);
109 iconhdr->xHotspot = 0;
110 iconhdr->yHotspot = 0;
111 iconhdr->offBits = 2*sizeof(BITMAPFILEHEADER) +
112 2*sizeof(RGB) + rgbsize;
113 iconhdr->bmp.cbFix = sizeof(BITMAPINFOHEADER);
114 iconhdr->bmp.cx = (USHORT)bmpHdr->biWidth;
115 iconhdr->bmp.cy = (USHORT)bmpHdr->biHeight;
116 iconhdr->bmp.cPlanes = 1;
117 iconhdr->bmp.cBitCount = 1;
118 os2rgb = (RGB *)(iconhdr+1);
119 memset(os2rgb, 0, sizeof(RGB));
120 memset(os2rgb+1, 0xff, sizeof(RGB));
121 iconhdr2 = (BITMAPFILEHEADER *)(os2rgb+2);
122 iconhdr2->usType = BFT_COLORICON;
123 iconhdr2->cbSize = sizeof(BITMAPFILEHEADER);
124 iconhdr2->xHotspot = 0;
125 iconhdr2->yHotspot = 0;
126 iconhdr2->offBits = 2*sizeof(BITMAPFILEHEADER) +
127 2*sizeof(RGB) + rgbsize + 2*bwsize;
128 iconhdr2->bmp.cbFix = sizeof(BITMAPINFOHEADER);
129 iconhdr2->bmp.cx = (USHORT)bmpHdr->biWidth;
130 iconhdr2->bmp.cy = (USHORT)(bmpHdr->biHeight/2);
131 iconhdr2->bmp.cPlanes = bmpHdr->biPlanes;
132 iconhdr2->bmp.cBitCount= bmpHdr->biBitCount;
133 os2rgb = (RGB *)(iconhdr2+1);
134 rgb = (RGBQUAD *)(bmpHdr+1);
135 if (bmpHdr->biBitCount < 24)
136 {
137 for (i=0;i<(1<<bmpHdr->biBitCount);i++)
138 {
139 //cout << "(R,G,B) = (" << (int)rgb->red << ", " << (int)rgb->green << ", " << (int)rgb->blue << ")" << endl;
140 os2rgb->bRed = rgb->red;
141 os2rgb->bBlue = rgb->blue;
142 os2rgb->bGreen = rgb->green;
143 os2rgb++;
144 rgb++;
145 }
146 }
147 //write 2*mono pixels + color pixels
148 //There are icons without an XOR mask, so check for it
149 if (bmpHdr->biSizeImage == colorsize)
150 {
151 memset((char *)os2rgb, 0, bwsize);
152 memset((char *)os2rgb+bwsize, 0, bwsize);
153 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
154 }
155 else
156 {
157 memcpy((char *)os2rgb, (char *)rgb+colorsize, bwsize);
158 memcpy((char *)os2rgb+bwsize, (char *)rgb+colorsize, bwsize);
159 memcpy((char *)os2rgb+2*bwsize, (char *)rgb, colorsize);
160
161 }
162}
163//******************************************************************************
164//******************************************************************************
165void OS2Icon::SetIconHdrOffset(int offset)
166{
167 iconhdr->offBits += offset - prevoffset;
168 iconhdr2->offBits += offset - prevoffset;
169 //remember in case icons are used in multiple groups
170 //(can't imagine this ever happening, but you never know)
171 prevoffset = offset;
172}
173//******************************************************************************
174//******************************************************************************
175OS2Icon::~OS2Icon()
176{
177 if (iconhdr) free(iconhdr);
178}
179//******************************************************************************
180//******************************************************************************
181int OS2Icon::QueryIconSize()
182{
183 return (iconsize);
184}
185//******************************************************************************
186//******************************************************************************
187BITMAPFILEHEADER *OS2Icon::GetIconHeader()
188{
189 return (iconhdr);
190}
191//******************************************************************************
192//******************************************************************************
193/*static*/ OS2Icon *OS2Icon::GetIcon(int id)
194{
195 OS2Icon *icon = OS2Icon::icons;
196
197 while (icon != NULL)
198 {
199 if (icon->id == id) return (icon);
200 icon = icon->next;
201 }
202 return (NULL);
203}
204//******************************************************************************
205//******************************************************************************
206/*static*/ void OS2Icon::DestroyAll()
207{
208 OS2Icon *icon = OS2Icon::icons, *next;
209
210 while (icon != NULL)
211 {
212 next = icon->next;
213 delete(icon);
214 icon = next;
215 }
216 OS2Icon::icons = NULL;
217}
218//******************************************************************************
219OS2Icon *OS2Icon::icons = NULL;
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