library(ggplot2)
library(patchwork)

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library(ggplot2)
library(cowplot)

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#!/usr/bin/env python3
"""Legacy: Assemble multi-panel scientific figure from PNG files."""

from PIL import Image, ImageDraw, ImageFont
from pathlib import Path

def add_panel_label(img, label, position='top-left',
                   font_size=80, offset=(40, 40),
                   bg_color='white', text_color='black',
                   border=True):
    """
    Add panel label (A, B, C) to image.

    Args:
        img: PIL Image object
        label: Label text (e.g., 'A', 'B', 'C')
        position: 'top-left', 'top-right', 'bottom-left', 'bottom-right'
        font_size: Font size in pixels (80 works well for 3000px wide images)
        offset: (x, y) offset from corner in pixels
        bg_color: Background color for label box
        text_color: Label text color
        border: Whether to draw border around label box
    """
    draw = ImageDraw.Draw(img)

    # Try system fonts (macOS, then Linux)
    try:
        font = ImageFont.truetype("/System/Library/Fonts/Helvetica.ttc", font_size)
    except:
        try:
            font = ImageFont.truetype(
                "/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf", font_size
            )
        except:
            font = ImageFont.load_default()
            print(f"Warning: Using default font for label {label}")

    # Calculate label position
    x, y = offset
    if 'right' in position:
        bbox = draw.textbbox((0, 0), label, font=font)
        text_width = bbox[2] - bbox[0]
        x = img.width - text_width - offset[0]
    if 'bottom' in position:
        bbox = draw.textbbox((0, 0), label, font=font)
        text_height = bbox[3] - bbox[1]
        y = img.height - text_height - offset[1]

    # Draw background box
    bbox = draw.textbbox((x, y), label, font=font)
    padding = 10
    draw.rectangle(
        [bbox[0] - padding, bbox[1] - padding,
         bbox[2] + padding, bbox[3] + padding],
        fill=bg_color,
        outline='black' if border else None,
        width=2 if border else 0
    )

    # Draw text
    draw.text((x, y), label, fill=text_color, font=font)

    return img


def assemble_vertical(input_files, output_file, labels=None,
                     spacing=40, dpi=300):
    """
    Stack images vertically with panel labels.

    Args:
        input_files: List of paths to input images
        output_file: Path for output image
        labels: List of labels (default: A, B, C, ...)
        spacing: Vertical spacing between panels in pixels
        dpi: Output resolution
    """
    if labels is None:
        labels = [chr(65 + i) for i in range(len(input_files))]  # A, B, C, ...

    # Load all images
    images = [Image.open(f) for f in input_files]

    # Add labels
    labeled = [add_panel_label(img, label)
               for img, label in zip(images, labels)]

    # Calculate dimensions
    max_width = max(img.width for img in labeled)
    total_height = sum(img.height for img in labeled) + spacing * (len(labeled) - 1)

    # Create combined image
    combined = Image.new('RGB', (max_width, total_height), 'white')

    # Paste images
    y_offset = 0
    for img in labeled:
        combined.paste(img, (0, y_offset))
        y_offset += img.height + spacing

    # Save with specified DPI
    combined.save(output_file, dpi=(dpi, dpi))
    print(f"✅ Created {output_file}")
    print(f"   Dimensions: {combined.width}×{combined.height} px at {dpi} DPI")

    return output_file


def assemble_horizontal(input_files, output_file, labels=None,
                       spacing=40, dpi=300):
    """Stack images horizontally with panel labels."""
    if labels is None:
        labels = [chr(65 + i) for i in range(len(input_files))]

    images = [Image.open(f) for f in input_files]
    labeled = [add_panel_label(img, label)
               for img, label in zip(images, labels)]

    max_height = max(img.height for img in labeled)
    total_width = sum(img.width for img in labeled) + spacing * (len(labeled) - 1)

    combined = Image.new('RGB', (total_width, max_height), 'white')

    x_offset = 0
    for img in labeled:
        combined.paste(img, (x_offset, 0))
        x_offset += img.width + spacing

    combined.save(output_file, dpi=(dpi, dpi))
    print(f"✅ Created {output_file}")
    print(f"   Dimensions: {combined.width}×{combined.height} px at {dpi} DPI")

    return output_file


def assemble_grid(input_files, output_file, rows, cols,
                 labels=None, spacing=40, dpi=300):
    """
    Arrange images in a grid with panel labels.

    Args:
        rows: Number of rows
        cols: Number of columns
        Other args same as assemble_vertical
    """
    if labels is None:
        labels = [chr(65 + i) for i in range(len(input_files))]

    images = [Image.open(f) for f in input_files]
    labeled = [add_panel_label(img, label)
               for img, label in zip(images, labels)]

    # Calculate cell dimensions (use max from each row/col)
    cell_width = max(img.width for img in labeled)
    cell_height = max(img.height for img in labeled)

    # Total dimensions
    total_width = cell_width * cols + spacing * (cols - 1)
    total_height = cell_height * rows + spacing * (rows - 1)

    combined = Image.new('RGB', (total_width, total_height), 'white')

    # Place images
    for idx, img in enumerate(labeled):
        if idx >= rows * cols:
            break
        row = idx // cols
        col = idx % cols
        x = col * (cell_width + spacing)
        y = row * (cell_height + spacing)
        combined.paste(img, (x, y))

    combined.save(output_file, dpi=(dpi, dpi))
    print(f"✅ Created {output_file}")
    print(f"   Dimensions: {combined.width}×{combined.height} px at {dpi} DPI")

    return output_file


if __name__ == '__main__':
    import sys

    # Example usage
    if len(sys.argv) < 3:
        print("Usage: python assemble_figures.py <output> <layout> <input1> <input2> ...")
        print("  layout: vertical, horizontal, or grid:RxC (e.g., grid:2x2)")
        sys.exit(1)

    output = sys.argv[1]
    layout = sys.argv[2]
    inputs = sys.argv[3:]

    if layout == 'vertical':
        assemble_vertical(inputs, output)
    elif layout == 'horizontal':
        assemble_horizontal(inputs, output)
    elif layout.startswith('grid:'):
        rows, cols = map(int, layout.split(':')[1].split('x'))
        assemble_grid(inputs, output, rows, cols)
    else:
        print(f"Unknown layout: {layout}")
        sys.exit(1)

#!/usr/bin/env Rscript

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library(cowplot)

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library(patchwork)

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✅ Created figure1_efficacy.png
   Dimensions: 3000×4200 px at 300 DPI
   Size: 2.3 MB

✅ Created Figure1_Efficacy.png
   Dimensions: 3000×6080 px at 300 DPI