From 84c0be97425b9d6f8225e7e60f2c24af2643e817 Mon Sep 17 00:00:00 2001
From: Ignacio Rivero <igna@netpaws.cc>
Date: Tue, 24 Jun 2025 02:58:28 -0300
Subject: [PATCH] Added Banner Mode, updated requirements.txt (oops)

---
 app.py           | 44 +++++++++++++++++++++++++++++++++++++++++---
 requirements.txt |  3 ++-
 2 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/app.py b/app.py
index d83b7f1..6af6ede 100644
--- a/app.py
+++ b/app.py
@@ -20,6 +20,7 @@ FONT_SIZE = 24
 HEADER_SIZE_1 = 56
 HEADER_SIZE_2 = 34
 HEADER_SIZE_3 = 28
+BANNER_FONT_SIZE = 300
 IMAGE_WIDTH = 384
 BULLET_CHAR = "• "
 
@@ -390,6 +391,12 @@ HTML_FORM = '''
         <label for="userimg" style="display: inline-block; margin-bottom: 0.5em;">Subir imagen (opcional):</label><br>
         <input type="file" name="userimg" accept="image/png, image/jpeg"><br>
         <div class="options">
+        <div class="options-bannermode">
+            <label for="bannermode">
+            <input type="checkbox" name="bannermode" value="1" {% if current_bannermode %}checked{% endif %}>
+            Modo Banner (vertical)
+            </label>
+          </div>
           <div class="options-dithering">
             <label for="dithering">Dithering:</label>
             <select name="dithering">
@@ -619,10 +626,11 @@ def wrap_segments(segments, font, font_bold, font_italic, font_bolditalic, max_w
     if line:
         yield line
 
-def render(md, dithering, printmode, uploaded_img_bytes=None):
+def render(md, dithering, printmode, uploaded_img_bytes=None, bannermode=False):
     font = ImageFont.truetype(FONT_PATH, FONT_SIZE)
     font_bold = ImageFont.truetype(FONT_PATH_BOLD, FONT_SIZE)
     font_italic = ImageFont.truetype(FONT_PATH_OBLIQUE, FONT_SIZE)
+    font_banner = ImageFont.truetype(FONT_PATH_BOLD, BANNER_FONT_SIZE)
     try:
         font_bolditalic = ImageFont.truetype(FONT_PATH_BOLDITALIC, FONT_SIZE)
     except:
@@ -630,7 +638,33 @@ def render(md, dithering, printmode, uploaded_img_bytes=None):
     font_h1 = ImageFont.truetype(FONT_PATH_BOLD, HEADER_SIZE_1)
     font_h2 = ImageFont.truetype(FONT_PATH_BOLD, HEADER_SIZE_2)
     font_h3 = ImageFont.truetype(FONT_PATH_BOLD, HEADER_SIZE_3)
+
+    if bannermode:
+        # Remove line breaks for single-line banner
+        md = md.replace('\r\n', ' ') # should change this if we're ever on windows
+        # Only render as a single text line (ignore markdown except bold/italic)
+        segments = parse_segments(md)
+        # Calculate total width needed
+        x = 0
+        for style, text in segments:
+            f = font_banner
+            x += f.getbbox(text)[2] - f.getbbox(text)[0]
+        width = max(x, 1)
+        # Create image: width x 384 (height is printer width)
+        image = Image.new("L", (width, IMAGE_WIDTH), 255)
+        draw = ImageDraw.Draw(image)
+        x = 0
+        y = (IMAGE_WIDTH - BANNER_FONT_SIZE) // 2  # Center vertically
+        for style, text in segments:
+            f = font_banner
+            draw.text((x, y), text, font=f, fill=0)
+            x += f.getbbox(text)[2] - f.getbbox(text)[0]
+        # Rotate so text is vertical
+        image = image.rotate(270, expand=True)
+        return image
+    
     lines_out = []
+    
     for src_line in md.splitlines():
         if src_line.strip() == '':
             lines_out.append(('blank', []))
@@ -763,6 +797,8 @@ def render(md, dithering, printmode, uploaded_img_bytes=None):
             img_x = (IMAGE_WIDTH - img.width) // 2 if img.width < IMAGE_WIDTH else 0
             image.paste(img, (img_x, y))
             y += img.height + 10  # vertical margin after image
+    if bannermode:
+        image = image.rotate(270, expand=True)
     return image
 
 @app.route("/", methods=["GET", "POST"])
@@ -804,10 +840,12 @@ def index():
         md = request.form["md"]
         dithering = request.form.get("dithering", "floyd")
         printmode = request.form.get("printmode", "1bpp")
-        image = render(md, dithering, printmode, uploaded_img_bytes)
+        bannermode = bool(request.form.get("bannermode"))
+        image = render(md, dithering, printmode, uploaded_img_bytes, bannermode=bannermode)
         session['dithering'] = dithering
         session['printmode'] = printmode
         session['rotation'] = rotation
+        session['bannermode'] = bannermode
         buf = io.BytesIO()
         image.save(buf, format="PNG")
         buf.seek(0)
@@ -841,7 +879,7 @@ def index():
             except Exception as e:
                 error = f"Failed to print: {e}"
     return render_template_string(HTML_FORM, dithering_modes=DITHERING_MODES, img=img_data, default_md=md,
-        printed=printed, error=error, current_dithering=session.get('dithering', 'floyd'), current_rotation=session.get('rotation', 0), current_printmode=session.get('printmode', '1bpp'))
+        printed=printed, error=error, current_dithering=session.get('dithering', 'floyd'), current_rotation=session.get('rotation', 0), current_printmode=session.get('printmode', '1bpp'), current_bannermode=session.get('bannermode', False))
 
 @app.route('/manifest.json')
 def manifest():
diff --git a/requirements.txt b/requirements.txt
index fd632f1..2eacab7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 Flask
 markdown
-Pillow
\ No newline at end of file
+Pillow
+requests