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FIX: automatic PNG-to-JPEG conversion should use a default white background

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This commit is contained in:
Régis Hanol 2017-06-01 23:10:36 +02:00
parent c4b6420455
commit 832d621b48
1 changed files with 7 additions and 1 deletions
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8
lib/upload_creator.rb
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@ -132,7 +132,13 @@ class UploadCreator
jpeg_tempfile = Tempfile.new(["image", ".jpg"])
OptimizedImage.ensure_safe_paths!(@file.path, jpeg_tempfile.path)
Discourse::Utils.execute_command('convert', @file.path, '-quality', SiteSetting.png_to_jpg_quality.to_s, jpeg_tempfile.path)
Discourse::Utils.execute_command(
'convert', @file.path,
'-background', 'white',
'-flatten',
'-quality', SiteSetting.png_to_jpg_quality.to_s,
jpeg_tempfile.path
)
# keep the JPEG if it's at least 15% smaller
if File.size(jpeg_tempfile.path) < filesize * 0.85