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0030946: Visualization - Image_AlienPixMap ignores 1-bit pixelformat when using FreeImage

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Convert 1-bit image to 8-bit one during its loading because only greyscale images are supported by visualization
This commit is contained in:
mzernova 2019-09-10 17:10:25 +03:00 committed by abv
parent 44b80414d3
commit fdae2107d9
2 changed files with 21 additions and 0 deletions
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7
src/Image/Image_AlienPixMap.cxx
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@ -589,6 +589,13 @@ bool Image_AlienPixMap::Load (const Standard_Byte* theData,
return false; return false;
} }
if (FreeImage_GetBPP (anImage) == 1)
{
FIBITMAP* aTmpImage = FreeImage_ConvertTo8Bits (anImage);
FreeImage_Unload (anImage);
anImage = aTmpImage;
}
Image_Format aFormat = convertFromFreeFormat (FreeImage_GetImageType(anImage), Image_Format aFormat = convertFromFreeFormat (FreeImage_GetImageType(anImage),
FreeImage_GetColorType(anImage), FreeImage_GetColorType(anImage),
FreeImage_GetBPP (anImage)); FreeImage_GetBPP (anImage));

14
tests/bugs/vis/bug30946 Normal file
View File

@ -0,0 +1,14 @@
puts "============="
puts "0030946: Visualization - Image_AlienPixMap ignores 1-bit pixelformat when using FreeImage"
puts "============="
pload VISUALIZATION
vinit View
vbackground -image [locate_data_file bug30946_img_1bit_256px.png]
if { [vreadpixel 120 315 rgb name] != "WHITE" } { puts "Error: background image was loaded incorrectly" }
vpoint p0 0 0 0
vaspects p0 -setMarkerType [locate_data_file bug30946_img_1bit_32px.png]
vdump $imagedir/${casename}.png