emilevs/label_printer
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Make multi line text possible

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TT-392 2024-09-15 12:24:26 +02:00
parent 601b0a0ada
commit 8c48b68f77
2 changed files with 17 additions and 9 deletions
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20
flask/gen_image.py
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@ -6,16 +6,22 @@ def gen_image(height, text1, text2):
font1 = ImageFont.truetype("ComicMono.ttf", size=text1["size"]) font1 = ImageFont.truetype("ComicMono.ttf", size=text1["size"])
font2 = ImageFont.truetype("ComicMono.ttf", size=text2["size"]) font2 = ImageFont.truetype("ComicMono.ttf", size=text2["size"])
text1_box = font1.getbbox(text1["string"]) text1["string"] = text1["string"].replace("\r\n", "\n")
text2_box = font2.getbbox(text2["string"]) text2["string"] = text2["string"].replace("\r\n", "\n")
text1_width = text1_box[2] lines1 = text1["string"].split('\n')
text2_width = text2_box[2] lines2 = text2["string"].split('\n')
text1_width = max([font1.getbbox(line)[2] for line in lines1])
text2_width = max([font2.getbbox(line)[2] for line in lines2])
text1_max_start = max([font1.getbbox(line)[0] for line in lines1])
text2_max_start = max([font2.getbbox(line)[0] for line in lines2])
# I am assuming the left corner of the bbox to always be 0, I have yet to # I am assuming the left corner of the bbox to always be 0, I have yet to
# encounter a situation when this isn't the case # encounter a situation when this isn't the case
if (text1_box[0] != 0 or text2_box[0] != 0): if (text1_max_start != 0 or text2_max_start != 0):
print(Fore.YELLOW + "Warning, found situation where left corner of bbox of text != 0,", "text1_box:", text1_box, "text2_box", text2_box) print(Fore.YELLOW + "Warning, found situation where left corner of bbox of text != 0,", "text1_box:", text1, "text2_box", text2)
# the 1 here assures we don't get a 0 width image # the 1 here assures we don't get a 0 width image
img = Image.new('1', (max(text1_width, text2_width, 1), height), color=1) img = Image.new('1', (max(text1_width, text2_width, 1), height), color=1)
@ -34,7 +40,7 @@ Text1 = {
} }
Text2 = { Text2 = {
"string": "Hello worhfeiheifhefld", "string": "Hello worhfeiheifhefld\nafefe",
"size": 20, "size": 20,
"pos": 40, "pos": 40,
} }

6
flask/templates/text.html
View file

@ -14,14 +14,16 @@
<form method="POST" action="/text-form"> <form method="POST" action="/text-form">
<h2>String 1</h2> <h2>String 1</h2>
Text:</span> <input type="text" value="{{text1["string"]}}" name="string1"><br> Text:<br>
<textarea name="string1">{{text1["string"]}}</textarea><br>
Size: <input type="number" value="{{text1["size"]}}" name="size1" min="0" required Size: <input type="number" value="{{text1["size"]}}" name="size1" min="0" required
style="width: 40px"><br> style="width: 40px"><br>
Y position: <input type="number" value="{{text1["pos"]}}" name="pos1" required Y position: <input type="number" value="{{text1["pos"]}}" name="pos1" required
style="width: 40px"><br> style="width: 40px"><br>
<h2>String 2</h2> <h2>String 2</h2>
Text: <input type="text" value="{{text2["string"]}}" name="string2"><br> Text:<br>
<textarea name="string2">{{text2["string"]}}</textarea><br>
Size: <input type="number" value="{{text2["size"]}}" name="size2" min="0" required Size: <input type="number" value="{{text2["size"]}}" name="size2" min="0" required
style="width: 40px"><br> style="width: 40px"><br>
Y position: <input type="number" value="{{text2["pos"]}}" name="pos2" required Y position: <input type="number" value="{{text2["pos"]}}" name="pos2" required