View Issue Details

IDProjectCategoryView StatusLast Update
0038846FPCLCLpublic2021-05-19 17:32
ReporterAlly Assigned To 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
OSWindows 
Product Version3.2.0 
Summary0038846: Scaling transparent bitmaps with fpinterpolation.
DescriptionFor bitmaps without transparent image areas, the scaling of bitmaps with fpinterpolation works very well.
When scaling transparent bitmaps, errors occur in the transition to transparent image areas.
The colors of partially transparent pixels are sometimes calculated to be too dark.
TagsNo tags attached.
Fixed in Revision
FPCOldBugId
FPCTarget
Attached Files

Relationships

related to 0038897 new Lazarus BitBtn - display error 

Activities

Ally

2021-05-03 09:55

reporter  

ScalingExample.zip (24,428 bytes)
NonTransparent 1 Source.png (1,260 bytes)   
NonTransparent 1 Source.png (1,260 bytes)   
NonTransparent 2 Result.png (565 bytes)   
NonTransparent 2 Result.png (565 bytes)   
Transparent 1 Source.png (1,620 bytes)   
Transparent 1 Source.png (1,620 bytes)   
Transparent 2 Result.png (1,084 bytes)   
Transparent 2 Result.png (1,084 bytes)   

Issue History

Date Modified Username Field Change
2021-05-03 09:55 Ally New Issue
2021-05-03 09:55 Ally File Added: ScalingExample.zip
2021-05-03 09:55 Ally File Added: NonTransparent 1 Source.png
2021-05-03 09:55 Ally File Added: NonTransparent 2 Result.png
2021-05-03 09:55 Ally File Added: NonTransparent 3 ResultStretch.png
2021-05-03 09:55 Ally File Added: Transparent 1 Source.png
2021-05-03 09:55 Ally File Added: Transparent 2 Result.png
2021-05-03 09:55 Ally File Added: Transparent 3 ResultStretch.png
2021-05-19 17:32 Juha Manninen Relationship added related to 0038897