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inprove hilight tracking accuracy

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chrys 2018-06-09 13:59:54 +02:00
parent 558651f9d1
commit 07d8e0ae96
1 changed files with 28 additions and 6 deletions
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34
src/fenrirscreenreader/core/attributeManager.py
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@ -283,10 +283,32 @@ class attributeManager():
for line in range(len(self.prevAttributes)):
if self.prevAttributes[line] != self.currAttributes[line]:
for column in range(len(self.prevAttributes[line])):
if self.prevAttributes[line][column] != self.currAttributes[line][column]:
if not self.isDefaultAttribute(self.currAttributes[line][column]):
if not currCursor:
currCursor = {'x': column, 'y': line}
result += textLines[line][column]
if self.prevAttributes[line][column] == self.currAttributes[line][column]:
continue
if self.isUsefulForTracking(line, column, self.currAttributes, self.prevAttributes):
if not currCursor:
currCursor = {'x': column, 'y': line}
result += textLines[line][column]
result += ' '
return result, currCursor
return result, currCursor
def isUsefulForTracking(self, line, column, currAttributes, prevAttributes, attribute=1):
if len(currAttributes) <= 3:
return False
if line < 0:
return False
if line > len(currAttributes):
return False
useful = False
# non default tracking
#useful = not self.isDefaultAttribute(currAttributes[line][column])
# arround me tracking for bg
if line == 0:
useful = (currAttributes[line][column][attribute] != currAttributes[line + 1][column][attribute]) and (currAttributes[line][column][attribute] != currAttributes[line + 2][column][attribute])
elif line >= len(prevAttributes):
useful = (currAttributes[line][column][attribute] != currAttributes[line - 1][column][attribute]) and (currAttributes[line][column][attribute] != currAttributes[line - 2][column][attribute])
else:
useful = (currAttributes[line][column][attribute] != currAttributes[line + 1][column][attribute]) and (currAttributes[line][column][attribute] != currAttributes[line - 1][column][attribute])
return useful