Only shrink when resizing with fit (#803)
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@ -41,8 +41,8 @@ pub enum ResizeOp {
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/// Scales the image to a specified height with width computed such
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/// that aspect ratio is preserved
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FitHeight(u32),
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/// Scales the image such that it fits within the specified width and
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/// height preserving aspect ratio.
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/// If the image is larger than the specified width or height, scales the image such
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/// that it fits within the specified width and height preserving aspect ratio.
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/// Either dimension may end up being smaller, but never larger than specified.
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Fit(u32, u32),
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/// Scales the image such that it fills the specified width and height.
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@ -266,7 +266,13 @@ impl ImageOp {
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Scale(w, h) => img.resize_exact(w, h, RESIZE_FILTER),
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FitWidth(w) => img.resize(w, u32::max_value(), RESIZE_FILTER),
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FitHeight(h) => img.resize(u32::max_value(), h, RESIZE_FILTER),
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Fit(w, h) => img.resize(w, h, RESIZE_FILTER),
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Fit(w, h) => {
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if img_w > w || img_h > h {
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img.resize(w, h, RESIZE_FILTER)
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} else {
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img
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}
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},
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Fill(w, h) => {
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let factor_w = img_w as f32 / w as f32;
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let factor_h = img_h as f32 / h as f32;
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@ -78,10 +78,16 @@ The source for all examples is this 300 × 380 pixels image:
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{{ resize_image(path="documentation/content/image-processing/01-zola.png", width=0, height=150, op="fit_height") }}
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### **`"fit"`**
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Like `"fit_width"` and `"fit_height"` combined.
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Like `"fit_width"` and `"fit_height"` combined, but only resize if the image is bigger than any of the specified dimensions.
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This mode is handy, if e.g. images are automatically shrinked to certain sizes in a shortcode for mobile optimization.
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Resizes the image such that the result fits within `width` and `height` preserving aspect ratio. This means that both width or height
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will be at max `width` and `height`, respectively, but possibly one of them smaller so as to preserve the aspect ratio.
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`resize_image(..., width=5000, height=5000, op="fit")`
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{{ resize_image(path="documentation/content/image-processing/01-zola.png", width=5000, height=5000, op="fit") }}
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`resize_image(..., width=150, height=150, op="fit")`
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{{ resize_image(path="documentation/content/image-processing/01-zola.png", width=150, height=150, op="fit") }}
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