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= django-imageprocessor = Provides a simple way to batch converting images with cache and presets support. == Common use cases == - automatic generating thumbnails - automatic generating static, but processed (scaled, watermarked, etc) pictures == Features == - Cache: reduces processing time - Templates: two powerful template tags - API: simple, compatible with PIL`s chops, filters, transforms - No database needed == Usage == === Thumbnailer === In your templates put: {{{ {% load imageprocess %} <img src="{{ MEDIA_URL }}{% thumbnail_url your_model.image 120 80 %}" /> }}} This will scale your_model.image to 120x80 size, preserving aspect ratio, resampled with Antialias, and cached. === Watermarking === This app does NOT support watermarking directly. You must use external application. django-imageprocessor is compatible with django-watermark (http://code.google.com/p/django-watermark/) So, to configure your watermarking batch processor simply put these lines in your settings.py: {{{ from watermarker.utils import watermark from imageprocessor.presets import create_preset from imageprocessor import ImageProcessor my_watermark_image = Image.open(os.path.join(MEDIA_ROOT, 'images', 'watermark.png')) create_preset('watermarked', ImageProcessor(quality=90).add_filter(watermark, my_watermark_image, 'br')) }}} In your templates put: {{{ {% load imageprocess %} <img src="{{ MEDIA_URL }}{% image_from_preset your_model.image "watermarked" %}" /> }}} If you want to scale your source image, put another filter before watermarking (settings.py): {{{ from PIL import Image add_filter(Image.Image.thumbnail, (800, 600), resample=Image.ANTIALIAS). }}} Full example of settings.py: {{{ from PIL import Image from watermarker.utils import watermark from imageprocessor.presets import create_preset from imageprocessor import ImageProcessor my_watermark_image = Image.open(os.path.join(MEDIA_ROOT, 'images', 'watermark.png')) create_preset('watermarked', ImageProcessor(quality=90). add_filter(Image.Image.thumbnail, (800, 600), resample=Image.ANTIALIAS). add_filter(watermark, my_watermark_image, 'br')) }}} == API == === Processors === @todo === Presets === @todo
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Batch image processing for Django with presets and cache support
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