author | Claus Gittinger <cg@exept.de> |
Tue, 21 Oct 1997 20:27:06 +0200 | |
changeset 713 | 548898fdd1dc |
parent 692 | e6af4c70e066 |
child 819 | e358c08e45ea |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1993 by Claus Gittinger |
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All Rights Reserved |
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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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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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'From Smalltalk/X, Version:3.2.1 on 21-oct-1997 at 5:07:02 pm' ! |
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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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!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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All Rights Reserved |
0 | 28 |
|
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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 |
|
31 |
inclusion of the above copyright notice. This software may not |
|
32 |
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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documentation |
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" |
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this class provides methods for loading Windows and OS2 icon files. |
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Image writing is only supported for BMP format with depth 1,4,8 and 24 bit images. |
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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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[See also:] |
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Image Form Icon |
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BlitImageReader FaceReader GIFReader JPEGReader PBMReader PCXReader |
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ST80FormReader SunRasterReader TargaReader TIFFReader |
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XBMReader XPMReader XWDReader |
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" |
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! ! |
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!WindowsIconReader class methodsFor:'initialization'! |
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initialize |
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"tell Image-class, that a new fileReader is present |
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for the '.bmp' and '.ico' extensions." |
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MIMETypes defineImageType:'image/x-MS-bitmap' suffix:'bmp' reader:self. |
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MIMETypes defineImageType:nil suffix:'ico' reader:self. |
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"Modified: 1.2.1997 / 15:03:59 / cg" |
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! ! |
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!WindowsIconReader class methodsFor:'testing'! |
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canRepresent:anImage |
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"return true, if anImage can be represented in my file format. |
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BMP supports depth 1,4,8 and 24." |
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^ (#(1 4 8 24) includes:anImage depth) |
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"Created: 17.10.1997 / 20:18:23 / cg" |
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! |
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isValidImageFile:aFileName |
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"return true, if aFileName contains a valid windows bitmap-file image" |
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|inStream header ok| |
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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 fileSize > 16 ifTrue:[ |
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header := ByteArray uninitializedNew:4. |
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inStream nextBytes:4 into:header. |
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(header startsWith:#(66 77)) ifTrue:[ "BM" |
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ok := true. |
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"/ '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. |
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"/ 'WINREADER: OS/2 vsn 2 BA format' infoPrintNL. |
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]. |
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(header startsWith:#(73 67)) ifTrue:[ "IC" |
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ok := true. |
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"/ 'WINREADER: OS/2 IC format' infoPrintNL. |
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]. |
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(header startsWith:#(80 84)) ifTrue:[ "PT" |
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ok := true. |
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"/ 'WINREADER: OS/2 PT format' infoPrintNL. |
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]. |
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(header startsWith:#(0 0 1 0)) ifTrue:[ |
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ok := true. |
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"/ 'WINREADER: Win3.x ICO format' infoPrintNL. |
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]. |
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]. |
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inStream close. |
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^ ok |
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" |
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WindowsIconReader isValidImageFile:'/phys/clam2/LocalLibrary/Images/OS2_icons/dos.ico' |
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" |
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"Created: 17.9.1995 / 17:14:20 / claus" |
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! ! |
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!WindowsIconReader methodsFor:'private'! |
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loadBMPWidth:w height:h depth:d compression:c from:aStream into:data |
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"helper: load a BMP image" |
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|buff idx fileBytesPerRow imgBytesPerRow| |
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d == 8 ifTrue:[ |
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(self class loadBMP8Width:w height:h compression:c from:aStream into:data) ifFalse:[ |
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'WinIconReader [warning]: read/decompression failed' infoPrintNL. |
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^ false |
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]. |
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^ true |
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]. |
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d == 4 ifTrue:[ |
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(self class loadBMP4to8Width:w height:h compression:c from:aStream into:data) ifFalse:[ |
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'WinIconReader [warning]: read/decompression failed' infoPrintNL. |
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^ false |
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]. |
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^ true |
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142 |
]. |
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d == 2 ifTrue:[ |
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(self class loadBMP2to8Width:w height:h from:aStream into:data) ifFalse:[ |
387 | 145 |
'WinIconReader [warning]: read failed' infoPrintNL. |
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^ false |
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]. |
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^ true |
103 | 149 |
]. |
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d == 1 ifTrue:[ |
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(self class loadBMP1to8Width:w height:h from:aStream into:data) ifFalse:[ |
387 | 152 |
'WinIconReader [warning]: read failed' infoPrintNL. |
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^ false |
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154 |
]. |
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155 |
^ true |
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156 |
]. |
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|
157 |
d == 24 ifTrue:[ |
713 | 158 |
imgBytesPerRow := w * 3. |
159 |
fileBytesPerRow := imgBytesPerRow. |
|
160 |
(fileBytesPerRow bitAnd:3) ~~ 0 ifTrue:[ |
|
161 |
fileBytesPerRow := (fileBytesPerRow bitAnd:(3 bitInvert)) + 4. |
|
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162 |
]. |
713 | 163 |
"/ |
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164 |
"/ stupid - last row comes first |
713 | 165 |
"/ |
166 |
idx := imgBytesPerRow * (height - 1) + 1. |
|
167 |
buff := ByteArray uninitializedNew:fileBytesPerRow. |
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168 |
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713 | 169 |
1 to:height do:[:row | |
170 |
(aStream nextBytes:fileBytesPerRow into:buff) ~~ fileBytesPerRow ifTrue:[ |
|
171 |
'WinIconReader [warning]: read failed' infoPrintNL. |
|
172 |
^ false |
|
173 |
]. |
|
174 |
data replaceFrom:idx to:idx+imgBytesPerRow-1 with:buff. |
|
175 |
idx := idx - imgBytesPerRow. |
|
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176 |
]. |
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177 |
^ true |
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178 |
]. |
387 | 179 |
'WinIconReader [warning]: unsupported depth:' infoPrint. d infoPrintNL. |
103 | 180 |
|
181 |
"Created: 17.9.1995 / 18:48:11 / claus" |
|
713 | 182 |
"Modified: 19.10.1997 / 00:01:56 / cg" |
103 | 183 |
! ! |
184 |
||
53 | 185 |
!WindowsIconReader methodsFor:'reading from file'! |
0 | 186 |
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211 | 187 |
fromOS2File:aFilename |
188 |
"read an image from an OS/2 BMP file" |
|
189 |
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41 | 190 |
|reader stream| |
191 |
||
192 |
stream := self streamReadingFile:aFilename. |
|
193 |
stream isNil ifTrue:[^ nil]. |
|
83 | 194 |
reader := (self new) fromOS2Stream:stream. |
41 | 195 |
stream close. |
196 |
reader notNil ifTrue:[^ reader image]. |
|
197 |
^ nil |
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211 | 198 |
|
199 |
"Modified: 23.4.1996 / 13:09:28 / cg" |
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21 | 200 |
! |
0 | 201 |
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202 |
fromOS2Stream:aStream |
211 | 203 |
"read an image from an OS/2 BMP stream" |
204 |
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205 |
| header inDepth |
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206 |
rawMap rMap gMap bMap srcIndex dstIndex inBytesPerRow |
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207 |
data4 mask tmp bytesPerRow nColors nByte| |
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208 |
|
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209 |
inStream := aStream. |
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210 |
aStream binary. |
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211 |
|
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212 |
"read the header" |
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213 |
|
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214 |
header := ByteArray uninitializedNew:8r110. |
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aStream nextBytes:16 into:header. |
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216 |
|
445 | 217 |
(header startsWith:#(73 67)) ifTrue:[ "IC" |
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218 |
"IC format" |
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219 |
aStream nextBytes:10 into:header startingAt:17. |
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220 |
width := header at:7. |
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|
221 |
height := header at:9. |
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222 |
inDepth := 2 "header at:11". "where is it" |
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|
223 |
] ifFalse:[ |
445 | 224 |
(header startsWith:#(67 73)) ifTrue:[ "CI" |
225 |
self error:'unsupported format: CI'. |
|
226 |
^ nil. |
|
227 |
] ifFalse:[ |
|
228 |
aStream nextBytes:(8r110-16) into:header startingAt:17. |
|
229 |
width := header at:8r101. |
|
230 |
height := header at:8r103. |
|
231 |
inDepth := header at:8r107. |
|
232 |
] |
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233 |
]. |
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234 |
|
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235 |
"read the colormap" |
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236 |
|
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Claus Gittinger <cg@exept.de>
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|
237 |
nColors := 1 bitShift:inDepth. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
238 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
239 |
rawMap := ByteArray uninitializedNew:(nColors*3). |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
240 |
aStream nextBytes:(nColors*3) into:rawMap. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
241 |
rMap := Array new:nColors. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
242 |
gMap := Array new:nColors. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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changeset
|
243 |
bMap := Array new:nColors. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
244 |
srcIndex := 1. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
245 |
1 to:nColors do:[:i | |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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changeset
|
246 |
bMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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|
247 |
srcIndex := srcIndex + 1. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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changeset
|
248 |
gMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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changeset
|
249 |
srcIndex := srcIndex + 1. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
250 |
rMap at:i put:(rawMap at:srcIndex). |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
251 |
srcIndex := srcIndex + 1. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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changeset
|
252 |
]. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
253 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
254 |
"read mask" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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diff
changeset
|
255 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
256 |
nByte := width * height + 7 // 8. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
257 |
mask := ByteArray uninitializedNew:nByte. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
258 |
aStream nextBytes:nByte into:mask. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
259 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
260 |
"what is this" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
261 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
262 |
aStream nextBytes:nByte into:mask. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
263 |
|
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
264 |
"/ "read the data bits" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
265 |
"/ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
266 |
"/ bytesPerRow := width * inDepth + 7 // 8. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
267 |
"/ data4 := ByteArray uninitializedNew:(height * bytesPerRow). |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
diff
changeset
|
268 |
"/ inDepth == 8 ifTrue:[ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
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161
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changeset
|
269 |
"/ ]. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
270 |
"/ aStream nextBytes:(height * bytesPerRow) into:data4. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
271 |
"/ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
272 |
"/ "stupid: last row first" |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
273 |
"/ |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
274 |
"/ tmp := ByteArray new:(height * bytesPerRow). |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
275 |
"/ srcIndex := 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
276 |
"/ dstIndex := (height - 1) * bytesPerRow + 1. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
277 |
"/ 1 to:height do:[:row | |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
278 |
"/ tmp replaceFrom:dstIndex to:(dstIndex + bytesPerRow - 1) |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
279 |
"/ with:data4 startingAt:srcIndex. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
280 |
"/ srcIndex := srcIndex + bytesPerRow. |
ee7d84977c86
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Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
281 |
"/ dstIndex := dstIndex - bytesPerRow. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
282 |
"/ ]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
283 |
"/ data4 := tmp. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
284 |
"/ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
285 |
"/ "expand into bytes" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
286 |
"/ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
287 |
"/ 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
|
288 |
"/ 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
|
289 |
"/ into:data mapping:nil. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
290 |
"/ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
291 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
292 |
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
|
293 |
"/ 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
|
294 |
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
|
295 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
296 |
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
|
297 |
(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
|
298 |
^ nil |
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>
parents:
161
diff
changeset
|
300 |
photometric := #palette. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
301 |
samplesPerPixel := 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
302 |
bitsPerSample := #(8). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
303 |
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
|
304 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
305 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
306 |
|i f| |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
307 |
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
|
308 |
f := i asFormOn:Display. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
309 |
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
|
310 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
311 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
312 |
"Modified: 17.9.1995 / 18:49:24 / claus" |
445 | 313 |
"Modified: 24.2.1997 / 12:11:39 / cg" |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
314 |
! |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
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 |
fromStream:aStream |
211 | 317 |
"figure out which format the stream contains |
318 |
(there are various different bmp/ico formats around) |
|
319 |
and read the image." |
|
320 |
||
321 |
|fileSize header| |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
322 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
323 |
inStream := 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 |
aStream binary. |
692
e6af4c70e066
size is going to be eliminated from the stream
Claus Gittinger <cg@exept.de>
parents:
678
diff
changeset
|
326 |
fileSize := aStream fileSize. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
327 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
328 |
fileSize < 16 ifTrue:[ |
387 | 329 |
'WinIconReader [warning]: short file' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
330 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
331 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
332 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
333 |
header := ByteArray uninitializedNew:4. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
334 |
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
|
335 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
336 |
(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
|
337 |
aStream position:1. |
387 | 338 |
"/ 'WinIconReader [info]: Win3.x or OS/2 vsn 2 BM format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
339 |
^ self fromWindowsBMPStream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
340 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
341 |
(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
|
342 |
aStream position:1. |
387 | 343 |
"/ 'WinIconReader [info]: OS/2 vsn 2 BA format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
344 |
^ self fromOS2Stream:aStream |
445 | 345 |
]. |
346 |
(header startsWith:#(67 73)) ifTrue:[ "CI" |
|
347 |
'WinIconReader [warning]: OS/2 CI format not supported:' infoPrintNL. |
|
348 |
^ nil. |
|
349 |
aStream position:1. |
|
350 |
"/ 'WinIconReader [info]: OS/2 vsn 2 BA format' infoPrintNL. |
|
351 |
^ self fromOS2Stream:aStream |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
352 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
353 |
(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
|
354 |
aStream position:1. |
387 | 355 |
"/ 'WinIconReader [info]: OS/2 IC format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
356 |
^ self fromOS2Stream:aStream |
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 |
(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
|
359 |
aStream position:1. |
387 | 360 |
"/ 'WinIconReader [info]: OS/2 PT format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
361 |
^ self fromOS2Stream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
362 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
363 |
(header startsWith:#(16r53 16r5A)) ifTrue:[ "SZ" |
445 | 364 |
'WinIconReader [warning]: OS/2 SZ format not supported:' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
365 |
^ nil. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
366 |
aStream position:1. |
445 | 367 |
'WinIconReader [info]: OS/2 SZ format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
368 |
^ self fromOS2Stream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
369 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
370 |
(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
|
371 |
aStream position:1. |
387 | 372 |
"/ 'WinIconReader [info]: Win3.x ICO format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
373 |
^ self fromWindowsICOStream:aStream |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
374 |
]. |
387 | 375 |
'WinIconReader [warning]: format not supported:' infoPrint. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
376 |
((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
|
377 |
' ' infoPrint. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
378 |
((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
|
379 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
380 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
381 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
382 |
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
|
383 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
384 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
385 |
"Modified: 17.9.1995 / 18:59:07 / claus" |
445 | 386 |
"Modified: 24.2.1997 / 12:12:41 / cg" |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
387 |
! |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
388 |
|
21 | 389 |
fromWindowsBMPFile: aFilename |
211 | 390 |
"read an image from a windows BMP file" |
391 |
||
41 | 392 |
|reader stream| |
393 |
||
394 |
stream := self class streamReadingFile:aFilename. |
|
395 |
stream isNil ifTrue:[^ nil]. |
|
83 | 396 |
reader := (self new) fromWindowsBMPStream:stream. |
41 | 397 |
stream close. |
398 |
reader notNil ifTrue:[^ reader image]. |
|
399 |
^ nil |
|
211 | 400 |
|
401 |
"Modified: 23.4.1996 / 13:09:53 / cg" |
|
21 | 402 |
! |
403 |
||
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
404 |
fromWindowsBMPStream:aStream |
211 | 405 |
"read an image from a windows BMP stream" |
406 |
||
518 | 407 |
| fileSize header iSize inDepth inPlanes compression |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
408 |
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
|
409 |
dataStart |
678 | 410 |
rawMap rMap gMap bMap srcIndex |
411 |
bytesPerRow fourBytesPerColorInfo| |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
412 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
413 |
inStream := aStream. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
414 |
aStream binary. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
415 |
|
692
e6af4c70e066
size is going to be eliminated from the stream
Claus Gittinger <cg@exept.de>
parents:
678
diff
changeset
|
416 |
fileSize := aStream fileSize. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
417 |
"read the header" |
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 |
header := ByteArray uninitializedNew:16r54. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
420 |
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
|
421 |
|
518 | 422 |
iSize := header at:(16r0E + 1). |
423 |
||
424 |
(iSize == 40) ifTrue:[ "header-size" |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
425 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
426 |
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
|
427 |
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
|
428 |
" |
387 | 429 |
"/ 'WinIconReader [info]: Win3.x or OS/2 vsn 2 format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
430 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
431 |
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
|
432 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
433 |
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
|
434 |
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
|
435 |
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
|
436 |
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
|
437 |
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
|
438 |
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
|
439 |
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
|
440 |
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
|
441 |
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
|
442 |
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
|
443 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
444 |
numColor == 0 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
445 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
446 |
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
|
447 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
448 |
inDepth <= 8 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
449 |
numColor := 1 bitShift:inDepth. |
387 | 450 |
'WinIconReader [warning]: missing nColor in header - assume ' infoPrint. numColor infoPrintNL |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
451 |
] |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
452 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
453 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
454 |
numColor ~~ 0 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
455 |
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
|
456 |
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
|
457 |
fourBytesPerColorInfo := true. |
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 |
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
|
460 |
] ifFalse:[ |
518 | 461 |
(iSize == 12) ifTrue:[ "core-info header size" |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
462 |
" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
463 |
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
|
464 |
" |
387 | 465 |
"/ 'WinIconReader [info]: OS/2 vsn 1.2 format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
466 |
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
|
467 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
468 |
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
|
469 |
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
|
470 |
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
|
471 |
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
|
472 |
numColor := 1 bitShift:inDepth. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
473 |
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
|
474 |
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
|
475 |
fourBytesPerColorInfo := false. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
476 |
compression := 0. |
565 | 477 |
"/ dataStart := header wordAt:(16r0A + 1) MSB:false. |
478 |
dataStart := nil. |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
479 |
] ifFalse:[ |
387 | 480 |
'WinIconReader [warning]: unknown format' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
481 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
482 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
483 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
484 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
485 |
numColor ~~ 0 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
486 |
"read the colormap" |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
487 |
|
565 | 488 |
rMap := ByteArray new:numColor. |
489 |
gMap := ByteArray new:numColor. |
|
490 |
bMap := ByteArray new:numColor. |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
491 |
srcIndex := 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
492 |
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
|
493 |
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
|
494 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
495 |
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
|
496 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
497 |
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
|
498 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
499 |
fourBytesPerColorInfo ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
500 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
501 |
] |
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 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
505 |
"/ check for valid compression |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
506 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
507 |
compression ~~ 0 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
508 |
"/ some compression |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
509 |
compression == 1 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
510 |
"/ 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
|
511 |
inDepth ~~ 8 ifTrue:[ |
387 | 512 |
'WinIconReader [warning]: RLE8 compression only allowed with depth8 images' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
513 |
^ nil |
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 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
516 |
compression == 2 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
517 |
"/ 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
|
518 |
inDepth ~~ 4 ifTrue:[ |
387 | 519 |
'WinIconReader [warning]: RLE4 compression only allowed with depth4 images' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
520 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
521 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
522 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
523 |
]. |
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 |
inPlanes ~~ 1 ifTrue:[ |
387 | 526 |
'WinIconReader [warning]: only 1 plane images supported' infoPrintNL. |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
527 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
528 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
529 |
|
565 | 530 |
dataStart notNil ifTrue:[ |
531 |
aStream position:(dataStart + 1). |
|
532 |
]. |
|
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 |
inDepth == 24 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
535 |
bytesPerRow := width * 3 |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
536 |
] ifFalse:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
537 |
bytesPerRow := width |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
538 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
539 |
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
|
540 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
541 |
"/ read & possibly decompress |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
542 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
543 |
(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
|
544 |
^ nil |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
545 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
546 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
547 |
inDepth == 24 ifTrue:[ |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
548 |
photometric := #rgb. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
549 |
samplesPerPixel := 3. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
550 |
bitsPerSample := #(8 8 8). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
551 |
^ self |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
552 |
]. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
553 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
554 |
photometric := #palette. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
555 |
samplesPerPixel := 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
556 |
bitsPerSample := #(8). |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
557 |
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
|
558 |
|
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
559 |
"Modified: 17.9.1995 / 18:48:46 / claus" |
565 | 560 |
"Modified: 24.4.1997 / 22:09:23 / cg" |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
561 |
! |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
562 |
|
211 | 563 |
fromWindowsICOFile:aFilename |
564 |
"read an image from a windows ICO file" |
|
565 |
||
41 | 566 |
|reader stream| |
567 |
||
568 |
stream := self class streamReadingFile:aFilename. |
|
569 |
stream isNil ifTrue:[^ nil]. |
|
83 | 570 |
reader := (self new) fromWindowsICOStream:stream. |
41 | 571 |
stream close. |
572 |
reader notNil ifTrue:[^ reader image]. |
|
573 |
^ nil |
|
21 | 574 |
|
575 |
" |
|
576 |
Image fromFile:'/phys/clam2//LocalLibrary/Images/WIN_icons/ibm.ico'. |
|
577 |
" |
|
211 | 578 |
|
579 |
"Modified: 23.4.1996 / 13:10:11 / cg" |
|
21 | 580 |
! |
581 |
||
41 | 582 |
fromWindowsICOStream:aStream |
211 | 583 |
"read an image from a windows ICO stream" |
584 |
||
21 | 585 |
| header inDepth |
586 |
rawMap rMap gMap bMap srcIndex dstIndex |
|
587 |
data4 mask tmp bytesPerRow nColor| |
|
0 | 588 |
|
41 | 589 |
inStream := aStream. |
590 |
aStream binary. |
|
0 | 591 |
|
592 |
"read the header" |
|
593 |
||
21 | 594 |
header := ByteArray uninitializedNew:(6 + 16 + 40). |
41 | 595 |
aStream nextBytes:(6 + 16 + 40) into:header. |
21 | 596 |
width := header at:(6+1). |
597 |
height := header at:(7+1). |
|
598 |
nColor := header at:(8+1). |
|
430 | 599 |
"/ reserved := header at:(9+1). |
600 |
"/ nPlanes := header wordAt:(10+1). |
|
601 |
"/ nBitsPerPel := header wordAt:(12+1). |
|
602 |
"/ nBytesInResource := header doubleWordAt:(14+1). |
|
603 |
"/ ordinal := header wordAt:(18+1). |
|
604 |
"21, 22 ?" |
|
21 | 605 |
"23, ... , 62 ?" |
606 |
||
0 | 607 |
inDepth := header at:16r25. |
608 |
||
609 |
"read the colormap" |
|
610 |
||
21 | 611 |
rawMap := ByteArray uninitializedNew:(16*4). |
41 | 612 |
aStream nextBytes:(16*4) into:rawMap. |
565 | 613 |
rMap := ByteArray new:16. |
614 |
gMap := ByteArray new:16. |
|
615 |
bMap := ByteArray new:16. |
|
0 | 616 |
srcIndex := 1. |
617 |
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
|
618 |
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
|
619 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
620 |
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
|
621 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
622 |
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
|
623 |
srcIndex := srcIndex + 1. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
624 |
srcIndex := srcIndex + 1. |
0 | 625 |
]. |
626 |
||
627 |
"read the data bits" |
|
628 |
||
565 | 629 |
inDepth == 0 ifTrue:[ |
630 |
inDepth := 4. |
|
631 |
]. |
|
3 | 632 |
bytesPerRow := width * inDepth + 7 // 8. |
633 |
data4 := ByteArray uninitializedNew:(height * bytesPerRow). |
|
41 | 634 |
aStream nextBytes:(height * bytesPerRow) into:data4. |
0 | 635 |
|
636 |
"read mask" |
|
637 |
||
638 |
" |
|
639 |
mask := ByteArray new:(width * height / 8). |
|
41 | 640 |
aStream nextBytes:(width * height / 8) into:mask. |
0 | 641 |
" |
642 |
||
643 |
"stupid: last row first" |
|
644 |
||
3 | 645 |
tmp := ByteArray uninitializedNew:(height * bytesPerRow). |
0 | 646 |
srcIndex := 1. |
647 |
dstIndex := (height - 1) * bytesPerRow + 1. |
|
648 |
1 to:height do:[:row | |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
649 |
tmp replaceFrom:dstIndex to:(dstIndex + bytesPerRow - 1) |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
650 |
with:data4 startingAt:srcIndex. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
651 |
srcIndex := srcIndex + bytesPerRow. |
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
652 |
dstIndex := dstIndex - bytesPerRow. |
0 | 653 |
]. |
654 |
data4 := tmp. |
|
655 |
||
656 |
||
657 |
photometric := #palette. |
|
658 |
samplesPerPixel := 1. |
|
298
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
659 |
|
36 | 660 |
colorMap := Colormap redVector:rMap greenVector:gMap blueVector:bMap. |
0 | 661 |
|
298
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
662 |
false ifTrue:[ |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
663 |
"expand into bytes" |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
664 |
|
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
665 |
data := ByteArray new:(width * height). |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
666 |
data4 expandPixels:inDepth width:width height:height |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
667 |
into:data mapping:nil. |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
668 |
bitsPerSample := #(8). |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
669 |
] ifFalse:[ |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
670 |
data := data4. |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
671 |
bitsPerSample := #(4). |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
672 |
]. |
cd59c474524a
return .ico files as Depth4Images (not Depth8)
Claus Gittinger <cg@exept.de>
parents:
259
diff
changeset
|
673 |
|
0 | 674 |
" |
21 | 675 |
WindowsIconReader new fromWindowsICOFile:'/phys/clam2//LocalLibrary/Images/WIN_icons/ibm.ico'. |
0 | 676 |
" |
211 | 677 |
|
565 | 678 |
"Modified: 24.4.1997 / 22:03:48 / cg" |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
679 |
! ! |
21 | 680 |
|
713 | 681 |
!WindowsIconReader methodsFor:'writing to file'! |
682 |
||
683 |
save:image onFile:aFileName |
|
684 |
"save image as BMP file on aFileName. |
|
685 |
Only depth 1,4,8 and 24 images can be represented in this format." |
|
686 |
||
687 |
self saveBMP:image onFile:aFileName. |
|
688 |
||
689 |
"Modified: 17.10.1997 / 20:16:53 / cg" |
|
690 |
! |
|
691 |
||
692 |
saveBMP:image onFile:fileName |
|
693 |
"save image as BMP file on aFileName. |
|
694 |
Only depth 1,4,8 and 24 images can be represented in this format." |
|
695 |
||
696 |
|depth bhSize biSize biClrUsed biSizeImage bfOffBits rowBytes imgBytesPerRow data srcIndex row| |
|
697 |
||
698 |
depth := image depth. |
|
699 |
width := image width. |
|
700 |
height := image height. |
|
701 |
||
702 |
(#(1 4 8 24) includes:depth) ifFalse:[ |
|
703 |
^ Image cannotRepresentImageSignal |
|
704 |
raiseWith:image |
|
705 |
errorString:('BMP format only supports depths 1,4,8 and 24'). |
|
706 |
]. |
|
707 |
image mask notNil ifTrue:[ |
|
708 |
Image informationLostQuerySignal |
|
709 |
raiseWith:image |
|
710 |
errorString:('BMP format does not support an imageMask'). |
|
711 |
]. |
|
712 |
||
713 |
bhSize := 14. "# bytes in file header" |
|
714 |
biSize := 40. "info header size in bytes" |
|
715 |
biClrUsed := (depth >= 24) ifTrue:[0] ifFalse:[1 << depth]. "No. color table entries" |
|
716 |
bfOffBits := biSize + bhSize + (4*biClrUsed). |
|
717 |
"/ bmp aligns rows on a longword boundary |
|
718 |
rowBytes := ((depth min:24) * width + 31 // 32) * 4. |
|
719 |
biSizeImage := height * rowBytes. |
|
720 |
||
721 |
outStream := fileName asFilename writeStream. |
|
722 |
outStream binary. |
|
723 |
byteOrder := #lsb. |
|
724 |
||
725 |
"Write the file header" |
|
726 |
self writeShort:19778. "bfType = BM" |
|
727 |
self writeLong:(bfOffBits + biSizeImage). "Entire file size in bytes" |
|
728 |
self writeLong:0. "bfReserved" |
|
729 |
self writeLong:bfOffBits. "Offset of bitmap data from start of hdr (and file)" |
|
730 |
||
731 |
"Write the bitmap info header" |
|
732 |
outStream position: bhSize+1. |
|
733 |
self writeLong:biSize. "info header size in bytes" |
|
734 |
self writeLong:width. "biWidth" |
|
735 |
self writeLong:height. "biHeight" |
|
736 |
self writeShort:1. "biPlanes" |
|
737 |
self writeShort:(depth min:24). "biBitCount" |
|
738 |
self writeLong:0. "biCompression" |
|
739 |
self writeLong:biSizeImage. "size of image section in bytes" |
|
740 |
self writeLong:2800. "biXPelsPerMeter" |
|
741 |
self writeLong:2800. "biYPelsPerMeter" |
|
742 |
self writeLong:biClrUsed. |
|
743 |
self writeLong:0. "biClrImportant" |
|
744 |
1 to:biClrUsed do:[:i | "Color map" |
|
745 |
|clr r g b| |
|
746 |
||
747 |
clr := image colorFromValue:i-1. |
|
748 |
clr isNil ifTrue:[ |
|
749 |
r := g := b := 0. |
|
750 |
] ifFalse:[ |
|
751 |
r := clr redByte. |
|
752 |
g := clr greenByte. |
|
753 |
b := clr blueByte. |
|
754 |
]. |
|
755 |
||
756 |
"/ put B,G,R |
|
757 |
outStream nextPut:b. |
|
758 |
outStream nextPut:g. |
|
759 |
outStream nextPut:r. |
|
760 |
outStream nextPut:0. |
|
761 |
]. |
|
762 |
||
763 |
imgBytesPerRow := image bytesPerRow. |
|
764 |
data := image data. |
|
765 |
||
766 |
||
767 |
"/ sorry, must extract rows individually |
|
768 |
"/ (even if alignment is correct), |
|
769 |
"/ since BMP saves rows bottom-to-top |
|
770 |
||
771 |
row := ByteArray new:rowBytes. |
|
772 |
||
773 |
srcIndex := 1 + (height * imgBytesPerRow). |
|
774 |
1 to:height do:[:i | |
|
775 |
srcIndex := srcIndex - imgBytesPerRow. |
|
776 |
row replaceFrom:1 to:imgBytesPerRow with:data startingAt:srcIndex. |
|
777 |
outStream nextPutAll:row. |
|
778 |
]. |
|
779 |
||
780 |
outStream close. |
|
781 |
||
782 |
" |
|
783 |
|i| |
|
784 |
||
785 |
i := Image fromFile:'bitmaps/SBrowser.xbm'. |
|
786 |
WindowsIconReader save:i onFile:'test.bmp'. |
|
787 |
" |
|
788 |
" |
|
789 |
|i| |
|
790 |
||
791 |
i := Image fromFile:'bitmaps/gifImages/garfield.gif'. |
|
792 |
WindowsIconReader save:i onFile:'test.bmp'. |
|
793 |
" |
|
794 |
||
795 |
"Modified: 21.10.1997 / 05:02:02 / cg" |
|
796 |
! ! |
|
797 |
||
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
798 |
!WindowsIconReader class methodsFor:'documentation'! |
0 | 799 |
|
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
800 |
version |
713 | 801 |
^ '$Header: /cvs/stx/stx/libview2/WindowsIconReader.st,v 1.37 1997-10-21 18:27:06 cg Exp $' |
0 | 802 |
! ! |
172
ee7d84977c86
use inforPrint instead of errorPrint (these are not fatal errors)
Claus Gittinger <cg@exept.de>
parents:
161
diff
changeset
|
803 |
WindowsIconReader initialize! |