stronk/Guitar-Sheet-Parser
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Set a minimum font size to PPI/6 to make sure text stays readable

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This commit is contained in:
Marco van Dijk 2022-01-15 02:40:38 +01:00
parent 4ab8f6c836
commit 2571dcec5b
1 changed files with 10 additions and 1 deletions
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11
lib/dataStructures.py
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@ -98,6 +98,7 @@ class Section:
heightSum = 0 heightSum = 0
maxWidth = 0 maxWidth = 0
# consider section title # consider section title
logging.debug("Init size with header '{}'".format(self.header))
headerWidth, headerHeight = fontTablature.getsize(self.header) headerWidth, headerHeight = fontTablature.getsize(self.header)
heightSum += headerHeight heightSum += headerHeight
maxWidth = headerWidth maxWidth = headerWidth
@ -107,10 +108,13 @@ class Section:
tablatureTextWidth, chordTextHeight = fontTablature.getsize(self.tablatures[lineIterator]) tablatureTextWidth, chordTextHeight = fontTablature.getsize(self.tablatures[lineIterator])
heightSum += lyricTextHeight + chordTextHeight heightSum += lyricTextHeight + chordTextHeight
if lyricTextWidth > maxWidth: if lyricTextWidth > maxWidth:
logging.debug("Found line '{}' with a width of {}".format(self.lyrics[lineIterator], lyricTextWidth))
maxWidth = lyricTextWidth maxWidth = lyricTextWidth
if tablatureTextWidth > maxWidth: if tablatureTextWidth > maxWidth:
logging.debug("Found line '{}' with a width of {}".format(self.tablatures[lineIterator], tablatureTextWidth))
maxWidth = tablatureTextWidth maxWidth = tablatureTextWidth
lineIterator += 1 lineIterator += 1
logging.debug("Setting section to W:{} H:{}".format(maxWidth, heightSum))
self.expectedWidth = maxWidth self.expectedWidth = maxWidth
self.expectedHeight = heightSum self.expectedHeight = heightSum
@ -213,7 +217,7 @@ class Song:
# With a PPI of 72, a font size of 14-18 is a good starting point (PPI / 4 or 4.5) # With a PPI of 72, a font size of 14-18 is a good starting point (PPI / 4 or 4.5)
# Since font size is then shrunk and grown to fit whitespace we do not need to be as accurate # Since font size is then shrunk and grown to fit whitespace we do not need to be as accurate
# PPI of 144 -> fontSize of 32 # PPI of 144 -> fontSize of 32
self.fontSize = int(self.ppi / 4.5) self.fontSize = int(self.ppi / 4)
self.fontLyrics = ImageFont.truetype(configObj['lyricfontfamily'], self.fontSize) self.fontLyrics = ImageFont.truetype(configObj['lyricfontfamily'], self.fontSize)
self.fontTablature = ImageFont.truetype(configObj['tablaturefontfamliy'], self.fontSize) self.fontTablature = ImageFont.truetype(configObj['tablaturefontfamliy'], self.fontSize)
self.fontFamilyLyrics = configObj['lyricfontfamily'] self.fontFamilyLyrics = configObj['lyricfontfamily']
@ -254,6 +258,7 @@ class Song:
continue continue
metadataTextWidth, metadataTextHeight = self.fontMetadata.getsize(line) metadataTextWidth, metadataTextHeight = self.fontMetadata.getsize(line)
if metadataTextWidth > maxWidth: if metadataTextWidth > maxWidth:
logging.debug("Found line '{}' with a width of {}".format(line, metadataTextWidth))
maxWidth = metadataTextWidth maxWidth = metadataTextWidth
currentHeight += metadataTextHeight currentHeight += metadataTextHeight
self.metadataWidth = maxWidth self.metadataWidth = maxWidth
@ -381,6 +386,10 @@ class Song:
if smallestWhitespace / imageWidthWithoutMargins > self.longestLineWhitespaceRatioAllowed: if smallestWhitespace / imageWidthWithoutMargins > self.longestLineWhitespaceRatioAllowed:
logging.debug("Stopping resizing down, since we largest section has {}% whitespace on the width of the image".format((smallestWhitespace / imageWidthWithoutMargins )* 100)) logging.debug("Stopping resizing down, since we largest section has {}% whitespace on the width of the image".format((smallestWhitespace / imageWidthWithoutMargins )* 100))
return False return False
# Make sure the longest lines fill the page enough
if self.fontSize < int(self.ppi / 6):
logging.debug("Stopping resizing down, since the font size is becoming too small at {}".format(self.fontSize))
return False
# get first section on next page, if we have a next page to begin with # get first section on next page, if we have a next page to begin with
while currentPageIt < amountOfPages - 1: while currentPageIt < amountOfPages - 1:
curPage = self.pages[currentPageIt] curPage = self.pages[currentPageIt]