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GroupDocs.Parser allows you to extract images from specific pages of a document, providing fine-grained control over image extraction.
- GroupDocs.Parser for Python via .NET installed
- Sample documents with multiple pages
- Basic understanding of page indexing (zero-based)
To extract images from a particular page:
from groupdocs.parser import Parser
# Create an instance of Parser class
with Parser("./sample.pdf") as parser:
# Check if image extraction is supported
if not parser.features.images:
print("Document doesn't support image extraction")
return
# Extract images from page 0 (first page)
page_index = 0
images = parser.get_images(page_index)
if images:
print(f"Images on page {page_index + 1}:")
for idx, image in enumerate(images):
print(f" Image {idx + 1}: {image.file_type}, size: {image.rectangle.width}x{image.rectangle.height}")
The following sample file is used in this example: sample.pdf
Expected behavior: Returns only the images from the specified page, or an empty collection if the page has no images.
To process images page by page:
from groupdocs.parser import Parser
# Create an instance of Parser class
with Parser("./sample.pptx") as parser:
# Check if image extraction is supported
if not parser.features.images:
print("Document doesn't support image extraction")
return
# Get document info
info = parser.get_document_info()
# Check if document has pages
if info.page_count == 0:
print("Document has no pages")
return
# Iterate over pages
total_images = 0
for page_index in range(info.page_count):
print(f"
Page {page_index + 1}/{info.page_count}:")
# Extract images from the current page
images = parser.get_images(page_index)
if images:
page_image_count = 0
for image in images:
print(f" Type: {image.file_type}, Position: ({image.rectangle.left}, {image.rectangle.top})")
page_image_count += 1
print(f" Total images on this page: {page_image_count}")
total_images += page_image_count
else:
print(" No images on this page")
print(f"
Total images in document: {total_images}")
The following sample file is used in this example: sample.pptx
Expected behavior: Iterates through all pages and extracts images from each page individually, showing page-specific image counts.
To save images organized by page number:
from groupdocs.parser import Parser
import os
# Create output directory
output_dir = "images_by_page"
os.makedirs(output_dir, exist_ok=True)
# Create an instance of Parser class
with Parser("./sample.pdf") as parser:
if not parser.features.images:
print("Image extraction not supported")
return
# Get document info
info = parser.get_document_info()
# Process each page
for page_index in range(info.page_count):
# Create page-specific directory
page_dir = os.path.join(output_dir, f"page_{page_index + 1}")
os.makedirs(page_dir, exist_ok=True)
# Extract images from page
images = parser.get_images(page_index)
if images:
for img_idx, image in enumerate(images):
# Generate filename
filename = f"image_{img_idx + 1}{image.file_type.extension}"
filepath = os.path.join(page_dir, filename)
# Save image
image.save(filepath)
print(f"Saved: {filepath}")
The following sample file is used in this example: sample.pdf
Expected behavior: Creates separate directories for each page and saves extracted images with organized naming.
To extract images from selected pages:
from groupdocs.parser import Parser
import os
# Create an instance of Parser class
with Parser("./sample.docx") as parser:
if not parser.features.images:
print("Image extraction not supported")
return
# Define pages to process (e.g., pages 1, 3, and 5)
pages_to_process = [0, 2, 4] # Zero-based indices
output_dir = "selected_page_images"
os.makedirs(output_dir, exist_ok=True)
for page_index in pages_to_process:
print(f"
Processing page {page_index + 1}...")
# Extract images from this page
images = parser.get_images(page_index)
if images:
for img_idx, image in enumerate(images):
filename = f"page{page_index + 1}_img{img_idx + 1}{image.file_type.extension}"
filepath = os.path.join(output_dir, filename)
image.save(filepath)
print(f" Saved: {filename}")
else:
print(f" No images found on page {page_index + 1}")
The following sample file is used in this example: sample.docx
Expected behavior: Extracts images only from the specified pages, skipping others.
To analyze image distribution across pages:
from groupdocs.parser import Parser
def analyze_image_distribution(file_path):
"""
Analyze how images are distributed across document pages.
"""
with Parser(file_path) as parser:
if not parser.features.images:
print("Image extraction not supported")
return
info = parser.get_document_info()
image_stats = []
total_images = 0
for page_index in range(info.page_count):
images = parser.get_images(page_index)
if images:
# Count images on this page
image_list = list(images)
page_image_count = len(image_list)
# Collect image types
image_types = [img.file_type.extension for img in image_list]
image_stats.append({
'page': page_index + 1,
'count': page_image_count,
'types': image_types
})
total_images += page_image_count
# Print summary
print(f"Document: {file_path}")
print(f"Total pages: {info.page_count}")
print(f"Total images: {total_images}")
print(f"Average images per page: {total_images / info.page_count:.2f}
")
# Print per-page details
for stat in image_stats:
types_str = ", ".join(set(stat['types']))
print(f"Page {stat['page']}: {stat['count']} images ({types_str})")
# Usage
analyze_image_distribution("sample.pdf")
The following sample file is used in this example: sample.pdf
To extract only the first image from each page:
from groupdocs.parser import Parser
import os
# Create output directory
output_dir = "first_images"
os.makedirs(output_dir, exist_ok=True)
# Create an instance of Parser class
with Parser("./sample.pdf") as parser:
if not parser.features.images:
print("Image extraction not supported")
return
info = parser.get_document_info()
for page_index in range(info.page_count):
# Extract images from page
images = parser.get_images(page_index)
if images:
# Get first image only
first_image = next(iter(images), None)
if first_image:
filename = f"page_{page_index + 1}_first{first_image.file_type.extension}"
filepath = os.path.join(output_dir, filename)
first_image.save(filepath)
print(f"Saved first image from page {page_index + 1}: {filename}")
The following sample file is used in this example: sample.pdf
Expected behavior: Extracts and saves only the first image found on each page.
- Page indices are zero-based (first page is index 0)
- Use
get_document_info()to determine the total number of pages - Check
parser.features.imagesbefore extracting images - Empty collections are returned for pages without images (not
None) - Page-by-page extraction is memory-efficient for large documents
- The method returns
Noneonly if image extraction is not supported for the document format
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