Demo image generator for python

Generates crisp images

ESP32_AP-Flasher/data/demo_image_generator.py

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+from PIL import Image, ImageDraw, ImageFont
+
+# Create a new paletted image with indexed colors
+image = Image.new('P', (296, 128))
+
+# Define the color palette (white, black, red)
+palette = [
+    255, 255, 255,  # white
+    0, 0, 0,        # black
+    255, 0, 0       # red
+]
+
+# Assign the color palette to the image
+image.putpalette(palette)
+
+# Initialize the drawing context
+draw = ImageDraw.Draw(image)
+
+# Define the text lines
+line1 = 'OpenEPaperLink'
+line2 = 'Demo image'
+
+# Define the fonts and sizes
+font_line1 = ImageFont.truetype('arial.ttf', size=36)  # Change the font file and size as per your preference
+font_line2 = ImageFont.truetype('arial.ttf', size=16)  # Change the font file and size as per your preference
+
+# Calculate the text bounding boxes to get the text widths and heights
+text_bbox_line1 = draw.textbbox((0, 0), line1, font=font_line1)
+text_bbox_line2 = draw.textbbox((0, 0), line2, font=font_line2)
+
+# Calculate the text positions to center the lines horizontally
+text_position_line1 = ((image.width - (text_bbox_line1[2] - text_bbox_line1[0])) // 2, 20)
+text_position_line2 = ((image.width - (text_bbox_line2[2] - text_bbox_line2[0])) // 2, 80)
+
+# Write the text on the image
+draw.text(text_position_line1, line1, fill=2, font=font_line1)  # Use palette index 1 for black color
+draw.text(text_position_line2, line2, fill=1, font=font_line2)  # Use palette index 2 for red color
+
+# Convert the image to 24-bit RGB
+rgb_image = image.convert('RGB')
+
+# Save the image as JPEG with maximum quality
+rgb_image.save('output.jpg', 'JPEG', quality="maximum")