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Fixed rendering issues

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Improved rendering of text and icons. 
For black and white displays, the image is converted to greyscale with dithering enabled. This is because E-Papers are closer to paper than LCDs.
This commit is contained in:
Ace
2019-12-16 01:12:04 +01:00
committed by GitHub
parent 75cf68296a
commit 8419454bd8
1 changed files with 2 additions and 6 deletions
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8
modules/inkycal_drivers.py
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@@ -200,10 +200,6 @@ class EPD:
buffer[numpy.logical_and(r >= 150, g >= 150)] = [255,255,255] #white buffer[numpy.logical_and(r >= 150, g >= 150)] = [255,255,255] #white
buffer[numpy.logical_and(r >= 150, g <= 90)] = [255,0,0] #red buffer[numpy.logical_and(r >= 150, g <= 90)] = [255,0,0] #red
if display_type == "black_and_white":
buffer[numpy.logical_and(r > 245, g > 245)] = [255,255,255] #white
buffer[g < 255] = [0,0,0] #black
image = Image.fromarray(buffer) image = Image.fromarray(buffer)
return image return image
@@ -241,7 +237,7 @@ class EPD:
if display_type == 'colour': if display_type == 'colour':
buf = [0x00] * int(self.width * self.height / 4) buf = [0x00] * int(self.width * self.height / 4)
image_grayscale = image.convert('L', dither=None) image_grayscale = image.convert('L')
pixels = image_grayscale.load() pixels = image_grayscale.load()
for y in range(self.height): for y in range(self.height):
@@ -257,7 +253,7 @@ class EPD:
if display_type == 'black_and_white': if display_type == 'black_and_white':
buf = [0x00] * int(self.width * self.height / 8) buf = [0x00] * int(self.width * self.height / 8)
image_monocolor = image.convert('1') image_monocolor = image.convert('1', dither = True)
pixels = image_monocolor.load() pixels = image_monocolor.load()
for y in range(self.height): for y in range(self.height):