author | Claus Gittinger <cg@exept.de> |
Fri, 07 Jun 1996 15:48:46 +0200 | |
changeset 298 | cd59c474524a |
parent 259 | 62b1bbafd9ba |
child 387 | 0f4c8ef0e973 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1993 by Claus Gittinger |
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28 | 3 |
All Rights Reserved |
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5 |
This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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7 |
inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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||
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ImageReader subclass:#WindowsIconReader |
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instanceVariableNames:'' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Graphics-Images-Support' |
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! |
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||
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!WindowsIconReader class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1993 by Claus Gittinger |
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28 | 25 |
All Rights Reserved |
0 | 26 |
|
21 | 27 |
This software is furnished under a license and may be used |
28 |
only in accordance with the terms of that license and with the |
|
29 |
inclusion of the above copyright notice. This software may not |
|
30 |
be provided or otherwise made available to, or used by, any |
|
31 |
other person. No title to or ownership of the software is |
|
32 |
hereby transferred. |
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" |
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! |
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documentation |
37 |
" |
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this class provides methods for loading Windows and OS2 icon files. |
39 |
Image writing is not supported. |
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The reader tries to figure out which version of BMP/ICO is used. |
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It seems to be able to load most formats, but who knows ... |
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||
44 |
[See also:] |
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234 | 45 |
Image Form Icon |
211 | 46 |
BlitImageReader FaceReader GIFReader JPEGReader PBMReader PCXReader |
47 |
ST80FormReader SunRasterReader TargaReader TIFFReader |
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48 |
XBMReader XPMReader XWDReader |
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" |
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! ! |
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!WindowsIconReader class methodsFor:'initialization'! |
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54 |
initialize |
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"tell Image-class, that a new fileReader is present |
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for the '.bmp', '.BMP', '.ico' and '.ICO' extensions." |
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||
28 | 58 |
Image fileFormats at:'.bmp' put:self. |
211 | 59 |
Image fileFormats at:'.BMP' put:self. |
28 | 60 |
Image fileFormats at:'.ico' put:self. |
211 | 61 |
Image fileFormats at:'.ICO' put:self. |
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63 |
"Modified: 23.4.1996 / 13:08:46 / cg" |
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! ! |
65 |
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102 | 66 |
!WindowsIconReader class methodsFor:'testing'! |
67 |
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68 |
isValidImageFile:aFileName |
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"return true, if aFileName contains a valid windows bitmap-file image" |
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71 |
|inStream header ok| |
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73 |
inStream := self streamReadingFile:aFileName. |
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inStream isNil ifTrue:[^ false]. |
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inStream binary. |
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ok := false. |
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inStream size > 16 ifTrue:[ |
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header := ByteArray uninitializedNew:4. |
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inStream nextBytes:4 into:header. |
102 | 81 |
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(header startsWith:#(66 77)) ifTrue:[ "BM" |
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ok := true. |
104 | 84 |
"/ 'WINREADER: Win3.x or OS/2 vsn 2 BM format' infoPrintNL. |
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]. |
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(header startsWith:#(66 65)) ifTrue:[ "BA" |
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ok := true. |
104 | 88 |
"/ 'WINREADER: OS/2 vsn 2 BA format' infoPrintNL. |
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89 |
]. |
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(header startsWith:#(73 67)) ifTrue:[ "IC" |
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ok := true. |
104 | 92 |
"/ 'WINREADER: OS/2 IC format' infoPrintNL. |
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93 |
]. |
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94 |
(header startsWith:#(80 84)) ifTrue:[ "PT" |
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ok := true. |
104 | 96 |
"/ 'WINREADER: OS/2 PT format' infoPrintNL. |
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97 |
]. |
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98 |
(header startsWith:#(0 0 1 0)) ifTrue:[ |
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99 |
ok := true. |
104 | 100 |
"/ 'WINREADER: Win3.x ICO format' infoPrintNL. |
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101 |
]. |
102 | 102 |
]. |
104 | 103 |
inStream close. |
104 |
^ ok |
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102 | 105 |
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106 |
" |
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107 |
WindowsIconReader isValidImageFile:'/phys/clam2/LocalLibrary/Images/OS2_icons/dos.ico' |
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" |
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109 |
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110 |
"Created: 17.9.1995 / 17:14:20 / claus" |
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! ! |
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112 |
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103 | 113 |
!WindowsIconReader methodsFor:'private'! |
114 |
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115 |
loadBMPWidth:w height:h depth:d compression:c from:aStream into:data |
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211 | 116 |
"helper: load a BMP image" |
117 |
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118 |
|buff idx1 idx2 bytesPerRow| |
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119 |
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103 | 120 |
d == 8 ifTrue:[ |
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(self class loadBMP8Width:w height:h compression:c from:aStream into:data) ifFalse:[ |
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'BMP: read/decompression failed' infoPrintNL. |
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123 |
^ false |
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124 |
]. |
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125 |
^ true |
160
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126 |
]. |
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127 |
d == 4 ifTrue:[ |
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(self class loadBMP4to8Width:w height:h compression:c from:aStream into:data) ifFalse:[ |
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'BMP: read/decompression failed' infoPrintNL. |
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^ false |
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131 |
]. |
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132 |
^ true |
160
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133 |
]. |
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handle depth 24 rgb BMP files
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134 |
d == 2 ifTrue:[ |
172
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135 |
(self class loadBMP2to8Width:w height:h from:aStream into:data) ifFalse:[ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
136 |
'BMP: read failed' infoPrintNL. |
ee7d84977c86
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137 |
^ false |
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138 |
]. |
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139 |
^ true |
103 | 140 |
]. |
160
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141 |
d == 1 ifTrue:[ |
172
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142 |
(self class loadBMP1to8Width:w height:h from:aStream into:data) ifFalse:[ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
143 |
'BMP: read failed' infoPrintNL. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
144 |
^ false |
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145 |
]. |
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|
146 |
^ true |
160
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|
147 |
]. |
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handle depth 24 rgb BMP files
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|
148 |
d == 24 ifTrue:[ |
172
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|
149 |
bytesPerRow := w * 3. |
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|
150 |
((aStream nextBytes:(h * bytesPerRow) into:data) ~~ (h * bytesPerRow)) ifTrue:[ |
ee7d84977c86
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|
151 |
'BMP: read failed' infoPrintNL. |
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152 |
^ false |
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153 |
]. |
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|
154 |
"/ stupid - last row comes first |
160
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|
155 |
|
172
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|
156 |
buff := ByteArray uninitializedNew:bytesPerRow. |
ee7d84977c86
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|
157 |
idx1 := 1. |
ee7d84977c86
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|
158 |
idx2 := 1 + (h-1 * bytesPerRow). |
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changeset
|
159 |
[idx1 < idx2] whileTrue:[ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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changeset
|
160 |
buff replaceFrom:1 to:bytesPerRow with:data startingAt:idx1. |
ee7d84977c86
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|
161 |
data replaceFrom:idx1 to:(idx1 + bytesPerRow - 1) with:data startingAt:idx2. |
ee7d84977c86
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|
162 |
data replaceFrom:idx2 to:(idx2 + bytesPerRow - 1) with:buff startingAt:1. |
ee7d84977c86
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changeset
|
163 |
idx1 := idx1 + bytesPerRow. |
ee7d84977c86
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|
164 |
idx2 := idx2 - bytesPerRow. |
ee7d84977c86
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165 |
]. |
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|
166 |
^ true |
160
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|
167 |
]. |
172
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|
168 |
'BMP: unsupported depth:' infoPrint. d infoPrintNL. |
103 | 169 |
|
170 |
"Created: 17.9.1995 / 18:48:11 / claus" |
|
211 | 171 |
"Modified: 23.4.1996 / 13:09:09 / cg" |
103 | 172 |
! ! |
173 |
||
53 | 174 |
!WindowsIconReader methodsFor:'reading from file'! |
0 | 175 |
|
211 | 176 |
fromOS2File:aFilename |
177 |
"read an image from an OS/2 BMP file" |
|
178 |
||
41 | 179 |
|reader stream| |
180 |
||
181 |
stream := self streamReadingFile:aFilename. |
|
182 |
stream isNil ifTrue:[^ nil]. |
|
83 | 183 |
reader := (self new) fromOS2Stream:stream. |
41 | 184 |
stream close. |
185 |
reader notNil ifTrue:[^ reader image]. |
|
186 |
^ nil |
|
211 | 187 |
|
188 |
"Modified: 23.4.1996 / 13:09:28 / cg" |
|
21 | 189 |
! |
0 | 190 |
|
172
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|
191 |
fromOS2Stream:aStream |
211 | 192 |
"read an image from an OS/2 BMP stream" |
193 |
||
172
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|
194 |
| header inDepth |
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|
195 |
rawMap rMap gMap bMap srcIndex dstIndex inBytesPerRow |
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196 |
data4 mask tmp bytesPerRow nColors nByte| |
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|
197 |
|
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198 |
inStream := aStream. |
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|
199 |
aStream binary. |
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200 |
|
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201 |
"read the header" |
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202 |
|
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203 |
header := ByteArray uninitializedNew:8r110. |
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|
204 |
aStream nextBytes:16 into:header. |
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|
205 |
|
ee7d84977c86
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|
206 |
(header startsWith:#(73 67)) ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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|
207 |
"IC format" |
ee7d84977c86
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|
208 |
aStream nextBytes:10 into:header startingAt:17. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
209 |
width := header at:7. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
210 |
height := header at:9. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
211 |
inDepth := 2 "header at:11". "where is it" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
212 |
] ifFalse:[ |
ee7d84977c86
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|
213 |
aStream nextBytes:(8r110-16) into:header startingAt:17. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
214 |
width := header at:8r101. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
215 |
height := header at:8r103. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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216 |
inDepth := header at:8r107. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
217 |
]. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
218 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
219 |
"read the colormap" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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220 |
|
ee7d84977c86
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|
221 |
nColors := 1 bitShift:inDepth. |
ee7d84977c86
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222 |
|
ee7d84977c86
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223 |
rawMap := ByteArray uninitializedNew:(nColors*3). |
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224 |
aStream nextBytes:(nColors*3) into:rawMap. |
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225 |
rMap := Array new:nColors. |
ee7d84977c86
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226 |
gMap := Array new:nColors. |
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227 |
bMap := Array new:nColors. |
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228 |
srcIndex := 1. |
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229 |
1 to:nColors do:[:i | |
ee7d84977c86
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|
230 |
bMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
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|
231 |
srcIndex := srcIndex + 1. |
ee7d84977c86
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|
232 |
gMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
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|
233 |
srcIndex := srcIndex + 1. |
ee7d84977c86
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|
234 |
rMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
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|
235 |
srcIndex := srcIndex + 1. |
ee7d84977c86
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|
236 |
]. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
237 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
238 |
"read mask" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
239 |
|
ee7d84977c86
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|
240 |
nByte := width * height + 7 // 8. |
ee7d84977c86
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|
241 |
mask := ByteArray uninitializedNew:nByte. |
ee7d84977c86
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|
242 |
aStream nextBytes:nByte into:mask. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
243 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
244 |
"what is this" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
245 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
246 |
aStream nextBytes:nByte into:mask. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
247 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
248 |
"/ "read the data bits" |
ee7d84977c86
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|
249 |
"/ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
250 |
"/ bytesPerRow := width * inDepth + 7 // 8. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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changeset
|
251 |
"/ data4 := ByteArray uninitializedNew:(height * bytesPerRow). |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
252 |
"/ inDepth == 8 ifTrue:[ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
253 |
"/ ]. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
254 |
"/ aStream nextBytes:(height * bytesPerRow) into:data4. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
255 |
"/ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
256 |
"/ "stupid: last row first" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
257 |
"/ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
258 |
"/ tmp := ByteArray new:(height * bytesPerRow). |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
259 |
"/ srcIndex := 1. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
260 |
"/ dstIndex := (height - 1) * bytesPerRow + 1. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
261 |
"/ 1 to:height do:[:row | |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
262 |
"/ tmp replaceFrom:dstIndex to:(dstIndex + bytesPerRow - 1) |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
263 |
"/ with:data4 startingAt:srcIndex. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
264 |
"/ srcIndex := srcIndex + bytesPerRow. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
265 |
"/ dstIndex := dstIndex - bytesPerRow. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
266 |
"/ ]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
267 |
"/ data4 := tmp. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
268 |
"/ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
269 |
"/ "expand into bytes" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
270 |
"/ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
271 |
"/ data := ByteArray new:(width * height). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
272 |
"/ data4 expandPixels:inDepth width:width height:height |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
273 |
"/ into:data mapping:nil. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
274 |
"/ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
275 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
276 |
bytesPerRow := width * inDepth + 7 // 8. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
277 |
"/ bmp data is always 32bit aligned; if required, |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
278 |
inBytesPerRow := ((bytesPerRow + 3) // 4) * 4. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
279 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
280 |
data := ByteArray uninitializedNew:(height * width "bytesPerRow"). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
281 |
(self loadBMPWidth:width height:height depth:inDepth compression:0 from:aStream into:data) ifFalse:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
282 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
283 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
284 |
photometric := #palette. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
285 |
samplesPerPixel := 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
286 |
bitsPerSample := #(8). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
287 |
colorMap := Colormap redVector:rMap greenVector:gMap blueVector:bMap. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
288 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
289 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
290 |
|i f| |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
291 |
i := Image fromFile:'/LocalLibrary/Images/OS2/dos3.ico'. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
292 |
f := i asFormOn:Display. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
293 |
v displayOpaqueForm:(f magnifyBy:2@2) x:5 y:5 |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
294 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
295 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
296 |
"Modified: 17.9.1995 / 18:49:24 / claus" |
211 | 297 |
"Modified: 23.4.1996 / 13:09:40 / cg" |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
298 |
! |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
299 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
300 |
fromStream:aStream |
211 | 301 |
"figure out which format the stream contains |
302 |
(there are various different bmp/ico formats around) |
|
303 |
and read the image." |
|
304 |
||
305 |
|fileSize header| |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
306 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
307 |
inStream := aStream. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
308 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
309 |
aStream binary. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
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changeset
|
310 |
fileSize := aStream size. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
311 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
312 |
fileSize < 16 ifTrue:[ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
313 |
'WINREADER: short file' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
314 |
^ nil |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
315 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
316 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
317 |
header := ByteArray uninitializedNew:4. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
318 |
aStream nextBytes:4 into:header. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
319 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
320 |
(header startsWith:#(66 77)) ifTrue:[ "BM" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
321 |
aStream position:1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
322 |
'WINREADER: Win3.x or OS/2 vsn 2 BM format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
323 |
^ self fromWindowsBMPStream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
324 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
325 |
(header startsWith:#(66 65)) ifTrue:[ "BA" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
326 |
aStream position:1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
327 |
'WINREADER: OS/2 vsn 2 BA format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
328 |
^ self fromOS2Stream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
329 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
330 |
(header startsWith:#(73 67)) ifTrue:[ "IC" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
331 |
aStream position:1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
332 |
'WINREADER: OS/2 IC format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
333 |
^ self fromOS2Stream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
334 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
335 |
(header startsWith:#(80 84)) ifTrue:[ "PT" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
336 |
aStream position:1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
337 |
'WINREADER: OS/2 PT format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
338 |
^ self fromOS2Stream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
339 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
340 |
(header startsWith:#(16r53 16r5A)) ifTrue:[ "SZ" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
341 |
'WINREADER: SZ format not supported:' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
342 |
^ nil. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
343 |
aStream position:1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
344 |
'WINREADER: OS/2 PT format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
345 |
^ self fromOS2Stream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
346 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
347 |
(header startsWith:#(0 0 1 0)) ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
348 |
aStream position:1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
349 |
'WINREADER: Win3.x ICO format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
350 |
^ self fromWindowsICOStream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
351 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
352 |
'WINREADER: format not supported:' infoPrint. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
353 |
((header at:1) printStringRadix:16) infoPrint. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
354 |
' ' infoPrint. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
355 |
((header at:2) printStringRadix:16) infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
356 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
357 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
358 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
359 |
Image fromFile:'/phys/clam//LocalLibrary/Images/OS2_icons/dos.ico' |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
360 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
361 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
362 |
"Modified: 17.9.1995 / 18:59:07 / claus" |
211 | 363 |
"Modified: 23.4.1996 / 13:11:10 / cg" |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
364 |
! |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
365 |
|
21 | 366 |
fromWindowsBMPFile: aFilename |
211 | 367 |
"read an image from a windows BMP file" |
368 |
||
41 | 369 |
|reader stream| |
370 |
||
371 |
stream := self class streamReadingFile:aFilename. |
|
372 |
stream isNil ifTrue:[^ nil]. |
|
83 | 373 |
reader := (self new) fromWindowsBMPStream:stream. |
41 | 374 |
stream close. |
375 |
reader notNil ifTrue:[^ reader image]. |
|
376 |
^ nil |
|
211 | 377 |
|
378 |
"Modified: 23.4.1996 / 13:09:53 / cg" |
|
21 | 379 |
! |
380 |
||
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
381 |
fromWindowsBMPStream:aStream |
211 | 382 |
"read an image from a windows BMP stream" |
383 |
||
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
384 |
| fileSize header inDepth inPlanes compression |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
385 |
imgSize resH resV numColor numImportantColor |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
386 |
dataStart |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
387 |
rawMap rMap gMap bMap srcIndex dstIndex inBytesPerRow |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
388 |
data4 mask tmp bytesPerRow fourBytesPerColorInfo| |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
389 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
390 |
inStream := aStream. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
391 |
aStream binary. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
392 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
393 |
fileSize := aStream size. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
394 |
"read the header" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
395 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
396 |
header := ByteArray uninitializedNew:16r54. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
397 |
aStream nextBytes:18 into:header. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
398 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
399 |
((header at:(16r0E + 1)) == 40) ifTrue:[ "header-size" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
400 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
401 |
its an Windows3.x BMP file |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
402 |
or OS/2 vsn 2 BMP file |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
403 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
404 |
'BMP: Win3.x or OS/2 vsn 2 format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
405 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
406 |
aStream nextBytes:(40-4) into:header startingAt:19. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
407 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
408 |
width := header wordAt:(16r12 + 1) MSB:false. "(header at:19) + ((header at:20) * 256). " |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
409 |
height := header wordAt:(16r16 + 1) MSB:false. "(header at:23) + ((header at:24) * 256). " |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
410 |
inPlanes := header wordAt:(16r1A + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
411 |
inDepth := header wordAt:(16r1C + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
412 |
compression := header wordAt:(16r1E + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
413 |
imgSize := header doubleWordAt:(16r22 + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
414 |
resH := header doubleWordAt:(16r26 + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
415 |
resV := header doubleWordAt:(16r2A + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
416 |
numColor := header doubleWordAt:(16r2E + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
417 |
numImportantColor := header doubleWordAt:(16r32 + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
418 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
419 |
numColor == 0 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
420 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
421 |
some bmp-writers seem to leave this as zero (which is wrong) |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
422 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
423 |
inDepth <= 8 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
424 |
numColor := 1 bitShift:inDepth. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
425 |
'BMP: missing nColor in header - assume ' infoPrint. numColor infoPrintNL |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
426 |
] |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
427 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
428 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
429 |
numColor ~~ 0 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
430 |
rawMap := ByteArray uninitializedNew:(numColor * 4). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
431 |
aStream nextBytes:(numColor * 4) into:rawMap. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
432 |
fourBytesPerColorInfo := true. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
433 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
434 |
dataStart := header wordAt:(16r0A + 1) MSB:false |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
435 |
] ifFalse:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
436 |
((header at:(16r0E + 1)) == 12) ifTrue:[ "core-info header size" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
437 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
438 |
its an OS/2 (vsn1.2) BMP file |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
439 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
440 |
'BMP: OS/2 vsn 1.2 format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
441 |
aStream nextBytes:(12-4) into:header startingAt:19. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
442 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
443 |
width := header wordAt:(16r12 + 1) MSB:false. "(header at:19) + ((header at:20) * 256). " |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
444 |
height := header wordAt:(16r14 + 1) MSB:false. "(header at:21) + ((header at:22) * 256). " |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
445 |
inPlanes := header wordAt:(16r16 + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
446 |
inDepth := header wordAt:(16r18 + 1) MSB:false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
447 |
numColor := 1 bitShift:inDepth. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
448 |
rawMap := ByteArray uninitializedNew:(numColor * 3). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
449 |
aStream nextBytes:(numColor * 3) into:rawMap. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
450 |
fourBytesPerColorInfo := false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
451 |
compression := 0. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
452 |
dataStart := header wordAt:(16r0A + 1) MSB:false |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
453 |
] ifFalse:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
454 |
'BMP: unknown format' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
455 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
456 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
457 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
458 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
459 |
numColor ~~ 0 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
460 |
"read the colormap" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
461 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
462 |
rMap := Array new:numColor. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
463 |
gMap := Array new:numColor. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
464 |
bMap := Array new:numColor. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
465 |
srcIndex := 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
466 |
1 to:numColor do:[:i | |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
467 |
bMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
468 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
469 |
gMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
470 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
471 |
rMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
472 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
473 |
fourBytesPerColorInfo ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
474 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
475 |
] |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
476 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
477 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
478 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
479 |
"/ check for valid compression |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
480 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
481 |
compression ~~ 0 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
482 |
"/ some compression |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
483 |
compression == 1 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
484 |
"/ RLE8 - must be depth-8 |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
485 |
inDepth ~~ 8 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
486 |
'BMP: RLE8 compression only allowed with depth8 images' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
487 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
488 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
489 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
490 |
compression == 2 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
491 |
"/ RLE4 - must be depth-4 |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
492 |
inDepth ~~ 4 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
493 |
'BMP: RLE4 compression only allowed with depth4 images' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
494 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
495 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
496 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
497 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
498 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
499 |
inPlanes ~~ 1 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
500 |
'BMP: only 1 plane images supported' infoPrintNL. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
501 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
502 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
503 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
504 |
aStream position:(dataStart + 1). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
505 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
506 |
inDepth == 24 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
507 |
bytesPerRow := width * 3 |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
508 |
] ifFalse:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
509 |
bytesPerRow := width |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
510 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
511 |
data := ByteArray uninitializedNew:(height * bytesPerRow). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
512 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
513 |
"/ read & possibly decompress |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
514 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
515 |
(self loadBMPWidth:width height:height depth:inDepth compression:compression from:aStream into:data) ifFalse:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
516 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
517 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
518 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
519 |
inDepth == 24 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
520 |
photometric := #rgb. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
521 |
samplesPerPixel := 3. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
522 |
bitsPerSample := #(8 8 8). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
523 |
^ self |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
524 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
525 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
526 |
photometric := #palette. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
527 |
samplesPerPixel := 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
528 |
bitsPerSample := #(8). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
529 |
colorMap := Colormap redVector:rMap greenVector:gMap blueVector:bMap. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
530 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
531 |
"Modified: 17.9.1995 / 18:48:46 / claus" |
211 | 532 |
"Modified: 23.4.1996 / 13:10:00 / cg" |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
533 |
! |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
534 |
|
211 | 535 |
fromWindowsICOFile:aFilename |
536 |
"read an image from a windows ICO file" |
|
537 |
||
41 | 538 |
|reader stream| |
539 |
||
540 |
stream := self class streamReadingFile:aFilename. |
|
541 |
stream isNil ifTrue:[^ nil]. |
|
83 | 542 |
reader := (self new) fromWindowsICOStream:stream. |
41 | 543 |
stream close. |
544 |
reader notNil ifTrue:[^ reader image]. |
|
545 |
^ nil |
|
21 | 546 |
|
547 |
" |
|
548 |
Image fromFile:'/phys/clam2//LocalLibrary/Images/WIN_icons/ibm.ico'. |
|
549 |
" |
|
211 | 550 |
|
551 |
"Modified: 23.4.1996 / 13:10:11 / cg" |
|
21 | 552 |
! |
553 |
||
41 | 554 |
fromWindowsICOStream:aStream |
211 | 555 |
"read an image from a windows ICO stream" |
556 |
||
21 | 557 |
| header inDepth |
558 |
rawMap rMap gMap bMap srcIndex dstIndex |
|
559 |
data4 mask tmp bytesPerRow nColor| |
|
0 | 560 |
|
41 | 561 |
inStream := aStream. |
562 |
aStream binary. |
|
0 | 563 |
|
564 |
"read the header" |
|
565 |
||
21 | 566 |
header := ByteArray uninitializedNew:(6 + 16 + 40). |
41 | 567 |
aStream nextBytes:(6 + 16 + 40) into:header. |
21 | 568 |
width := header at:(6+1). |
569 |
height := header at:(7+1). |
|
570 |
nColor := header at:(8+1). |
|
571 |
"10, 11, 12, 13, 14 ? (reserve)" |
|
572 |
"15, 16, 17, 18 pixel array size" |
|
573 |
"19, 20, 21, 22 offset " |
|
574 |
"23, ... , 62 ?" |
|
575 |
||
0 | 576 |
inDepth := header at:16r25. |
577 |
||
578 |
"read the colormap" |
|
579 |
||
21 | 580 |
rawMap := ByteArray uninitializedNew:(16*4). |
41 | 581 |
aStream nextBytes:(16*4) into:rawMap. |
0 | 582 |
rMap := Array new:16. |
583 |
gMap := Array new:16. |
|
584 |
bMap := Array new:16. |
|
585 |
srcIndex := 1. |
|
586 |
1 to:16 do:[:i | |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
587 |
bMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
588 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
589 |
gMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
590 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
591 |
rMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
592 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
593 |
srcIndex := srcIndex + 1. |
0 | 594 |
]. |
595 |
||
596 |
"read the data bits" |
|
597 |
||
3 | 598 |
bytesPerRow := width * inDepth + 7 // 8. |
599 |
data4 := ByteArray uninitializedNew:(height * bytesPerRow). |
|
41 | 600 |
aStream nextBytes:(height * bytesPerRow) into:data4. |
0 | 601 |
|
602 |
"read mask" |
|
603 |
||
604 |
" |
|
605 |
mask := ByteArray new:(width * height / 8). |
|
41 | 606 |
aStream nextBytes:(width * height / 8) into:mask. |
0 | 607 |
" |
608 |
||
609 |
"stupid: last row first" |
|
610 |
||
3 | 611 |
tmp := ByteArray uninitializedNew:(height * bytesPerRow). |
0 | 612 |
srcIndex := 1. |
613 |
dstIndex := (height - 1) * bytesPerRow + 1. |
|
614 |
1 to:height do:[:row | |
|
172
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615 |
tmp replaceFrom:dstIndex to:(dstIndex + bytesPerRow - 1) |
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|
616 |
with:data4 startingAt:srcIndex. |
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|
617 |
srcIndex := srcIndex + bytesPerRow. |
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|
618 |
dstIndex := dstIndex - bytesPerRow. |
0 | 619 |
]. |
620 |
data4 := tmp. |
|
621 |
||
622 |
||
623 |
photometric := #palette. |
|
624 |
samplesPerPixel := 1. |
|
298
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625 |
|
36 | 626 |
colorMap := Colormap redVector:rMap greenVector:gMap blueVector:bMap. |
0 | 627 |
|
298
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|
628 |
false ifTrue:[ |
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|
629 |
"expand into bytes" |
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changeset
|
630 |
|
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|
631 |
data := ByteArray new:(width * height). |
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|
632 |
data4 expandPixels:inDepth width:width height:height |
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|
633 |
into:data mapping:nil. |
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|
634 |
bitsPerSample := #(8). |
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|
635 |
] ifFalse:[ |
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|
636 |
data := data4. |
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|
637 |
bitsPerSample := #(4). |
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|
638 |
]. |
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|
639 |
|
0 | 640 |
" |
21 | 641 |
WindowsIconReader new fromWindowsICOFile:'/phys/clam2//LocalLibrary/Images/WIN_icons/ibm.ico'. |
0 | 642 |
" |
211 | 643 |
|
298
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|
644 |
"Modified: 7.6.1996 / 15:46:30 / cg" |
172
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|
645 |
! ! |
21 | 646 |
|
172
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|
647 |
!WindowsIconReader class methodsFor:'documentation'! |
0 | 648 |
|
172
ee7d84977c86
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|
649 |
version |
298
cd59c474524a
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|
650 |
^ '$Header: /cvs/stx/stx/libview2/Attic/WinIconRdr.st,v 1.26 1996-06-07 13:48:46 cg Exp $' |
0 | 651 |
! ! |
172
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parents:
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diff
changeset
|
652 |
WindowsIconReader initialize! |