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fixed opaque string draw with deep-dither
authorClaus Gittinger <cg@exept.de>
Wed, 12 Jun 1996 13:04:34 +0200
changeset 832 064890dcfabd
parent 831 ceb4e9f32262
child 833 5628715a15c3
fixed opaque string draw with deep-dither
DevGC.st file | annotate | diff | comparison | revisions
DeviceGraphicsContext.st file | annotate | diff | comparison | revisions 
--- a/DevGC.st	Wed Jun 12 13:01:38 1996 +0200
+++ b/DevGC.st	Wed Jun 12 13:04:34 1996 +0200
@@ -1313,9 +1313,11 @@
         ^ self
     ].
 
+    "/ the very hard case (fg-dither)
+
     self displayDeviceOpaqueString:s from:index1 to:index2 in:fontUsed x:pX y:pY.
 
-    "Modified: 21.5.1996 / 21:16:08 / cg"
+    "Modified: 12.6.1996 / 12:36:33 / cg"
 !
 
 displayOpaqueString:aString x:x y:y
@@ -2479,16 +2481,17 @@
         "
         device setForeground:bgId in:gcId.
         device setFunction:#copy in:gcId.
+        device setBitmapMask:nil in:gcId.
         self fillRectangleX:pX y:(pY - fontUsed ascent) width:w height:h.
 
-        "/ draw dithered
+        "/ draw fg dithered
         (mask depth == 1) ifTrue:[
-            device setBitmapMask:mask id in:gcId
+            device setBitmapMask:mask id in:gcId.
+            device setForeground:foreground colorId background:background colorId in:gcId.
         ] ifFalse:[
             device setPixmapMask:mask id in:gcId
         ].
 
-        device setForeground:foreground colorId background:background colorId in:gcId.
         device displayString:s
                     from:index1 to:index2 
                        x:pX y:pY
@@ -2530,12 +2533,13 @@
 "/      background := nil.
 "/      device setFunction:function in:gcId.
 "/      ^ self
-   ].
+    ].
+
     "
-     hard case, both fg and bg are dithered colors/images
+     very hard case, both fg and bg are dithered colors/images
     "
     noColor := Color noColor.
-'hard: ' print. aString print. ' ' print. paint print. ' ' print. bgPaint printCR.
+"/ 'hard: ' print. aString print. ' ' print. paint print. ' ' print. bgPaint printCR.
     "
      create temp-forms;
     "
@@ -2615,7 +2619,7 @@
     foreground := nil.
     background := nil.
 
-    "Modified: 30.5.1996 / 09:22:11 / cg"
+    "Modified: 12.6.1996 / 12:50:12 / cg"
 !
 
 displayDeviceOpaqueString:aString from:index1 to:index2 x:x y:y
@@ -3128,6 +3132,19 @@
 reinitialize
     'reinit of ' errorPrint. self classNameWithArticle errorPrint.
     ' failed' errorPrintNL
+!
+
+releaseGC
+    "destroy the associated GC - can be done to be nice to the 
+     display if you know that you are done with a drawable."
+
+    gcId notNil ifTrue:[
+        device destroyGC:gcId.
+        gcId := nil.
+        Lobby registerChange:self.
+    ]
+
+    "Created: 11.6.1996 / 22:07:30 / cg"
 ! !
 
 !DeviceGraphicsContext methodsFor:'instance release'!
@@ -3154,7 +3171,7 @@
      setup the GC to draw in this color.
      A helper for paint and paint:on:"
 
-    |dither map pixelId p fg bg vOrg ditherDepth|
+    |dither map pixelId p fg bg vOrg ditherDepth deviceDepth|
 
     gcId notNil ifTrue:[
         (p := paint) isColor ifTrue:[
@@ -3199,9 +3216,11 @@
             self foreground:fg background:bg.
             paint := p
         ] ifFalse:[
-            (ditherDepth ~~ device depth) ifTrue:[
+            deviceDepth := device depth.
+            (ditherDepth ~~ deviceDepth) ifTrue:[
                 dither := dither asFormOn:device.
-                (dither isNil or:[ditherDepth ~~ device depth]) ifTrue:[
+                ditherDepth := dither depth.
+                (dither isNil or:[ditherDepth ~~ deviceDepth]) ifTrue:[
                     self error:'bad dither'.
                     ^ self
                 ]
@@ -3213,7 +3232,7 @@
     ]
 
     "Created: 16.5.1996 / 15:35:51 / cg"
-    "Modified: 16.5.1996 / 15:37:31 / cg"
+    "Modified: 12.6.1996 / 12:49:07 / cg"
 ! !
 
 !DeviceGraphicsContext methodsFor:'queries'!
@@ -3277,6 +3296,6 @@
 !DeviceGraphicsContext class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libview/Attic/DevGC.st,v 1.6 1996-06-04 17:04:41 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libview/Attic/DevGC.st,v 1.7 1996-06-12 11:04:34 cg Exp $'
 ! !
 DeviceGraphicsContext initialize!
--- a/DeviceGraphicsContext.st	Wed Jun 12 13:01:38 1996 +0200
+++ b/DeviceGraphicsContext.st	Wed Jun 12 13:04:34 1996 +0200
@@ -1313,9 +1313,11 @@
         ^ self
     ].
 
+    "/ the very hard case (fg-dither)
+
     self displayDeviceOpaqueString:s from:index1 to:index2 in:fontUsed x:pX y:pY.
 
-    "Modified: 21.5.1996 / 21:16:08 / cg"
+    "Modified: 12.6.1996 / 12:36:33 / cg"
 !
 
 displayOpaqueString:aString x:x y:y
@@ -2479,16 +2481,17 @@
         "
         device setForeground:bgId in:gcId.
         device setFunction:#copy in:gcId.
+        device setBitmapMask:nil in:gcId.
         self fillRectangleX:pX y:(pY - fontUsed ascent) width:w height:h.
 
-        "/ draw dithered
+        "/ draw fg dithered
         (mask depth == 1) ifTrue:[
-            device setBitmapMask:mask id in:gcId
+            device setBitmapMask:mask id in:gcId.
+            device setForeground:foreground colorId background:background colorId in:gcId.
         ] ifFalse:[
             device setPixmapMask:mask id in:gcId
         ].
 
-        device setForeground:foreground colorId background:background colorId in:gcId.
         device displayString:s
                     from:index1 to:index2 
                        x:pX y:pY
@@ -2530,12 +2533,13 @@
 "/      background := nil.
 "/      device setFunction:function in:gcId.
 "/      ^ self
-   ].
+    ].
+
     "
-     hard case, both fg and bg are dithered colors/images
+     very hard case, both fg and bg are dithered colors/images
     "
     noColor := Color noColor.
-'hard: ' print. aString print. ' ' print. paint print. ' ' print. bgPaint printCR.
+"/ 'hard: ' print. aString print. ' ' print. paint print. ' ' print. bgPaint printCR.
     "
      create temp-forms;
     "
@@ -2615,7 +2619,7 @@
     foreground := nil.
     background := nil.
 
-    "Modified: 30.5.1996 / 09:22:11 / cg"
+    "Modified: 12.6.1996 / 12:50:12 / cg"
 !
 
 displayDeviceOpaqueString:aString from:index1 to:index2 x:x y:y
@@ -3128,6 +3132,19 @@
 reinitialize
     'reinit of ' errorPrint. self classNameWithArticle errorPrint.
     ' failed' errorPrintNL
+!
+
+releaseGC
+    "destroy the associated GC - can be done to be nice to the 
+     display if you know that you are done with a drawable."
+
+    gcId notNil ifTrue:[
+        device destroyGC:gcId.
+        gcId := nil.
+        Lobby registerChange:self.
+    ]
+
+    "Created: 11.6.1996 / 22:07:30 / cg"
 ! !
 
 !DeviceGraphicsContext methodsFor:'instance release'!
@@ -3154,7 +3171,7 @@
      setup the GC to draw in this color.
      A helper for paint and paint:on:"
 
-    |dither map pixelId p fg bg vOrg ditherDepth|
+    |dither map pixelId p fg bg vOrg ditherDepth deviceDepth|
 
     gcId notNil ifTrue:[
         (p := paint) isColor ifTrue:[
@@ -3199,9 +3216,11 @@
             self foreground:fg background:bg.
             paint := p
         ] ifFalse:[
-            (ditherDepth ~~ device depth) ifTrue:[
+            deviceDepth := device depth.
+            (ditherDepth ~~ deviceDepth) ifTrue:[
                 dither := dither asFormOn:device.
-                (dither isNil or:[ditherDepth ~~ device depth]) ifTrue:[
+                ditherDepth := dither depth.
+                (dither isNil or:[ditherDepth ~~ deviceDepth]) ifTrue:[
                     self error:'bad dither'.
                     ^ self
                 ]
@@ -3213,7 +3232,7 @@
     ]
 
     "Created: 16.5.1996 / 15:35:51 / cg"
-    "Modified: 16.5.1996 / 15:37:31 / cg"
+    "Modified: 12.6.1996 / 12:49:07 / cg"
 ! !
 
 !DeviceGraphicsContext methodsFor:'queries'!
@@ -3277,6 +3296,6 @@
 !DeviceGraphicsContext class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libview/DeviceGraphicsContext.st,v 1.6 1996-06-04 17:04:41 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libview/DeviceGraphicsContext.st,v 1.7 1996-06-12 11:04:34 cg Exp $'
 ! !
 DeviceGraphicsContext initialize!
hg/stx-libview