2023-03-19 08:40:32 +00:00
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#include <map>
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#include <string>
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#include <vips/vips8>
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#include "common.h"
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using namespace std;
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using namespace vips;
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ArgumentMap Blur(string type, string *outType, char *BufferData, size_t BufferLength,
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ArgumentMap Arguments, size_t *DataSize) {
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bool sharp = GetArgument<bool>(Arguments, "sharp");
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VOption *options = VImage::option()->set("access", "sequential");
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VImage in =
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VImage::new_from_buffer(BufferData, BufferLength, "",
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type == "gif" ? options->set("n", -1) : options)
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.colourspace(VIPS_INTERPRETATION_sRGB);
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if (!in.has_alpha()) in = in.bandjoin(255);
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// TODO: find a better way to calculate the intensity for GIFs without
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// splitting frames
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VImage out =
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sharp ? in.sharpen(VImage::option()->set("sigma", 3)) : in.gaussblur(15);
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void *buf;
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out.write_to_buffer(("." + *outType).c_str(), &buf, DataSize);
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ArgumentMap output;
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output["buf"] = (char *)buf;
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output["width"] = out.width();
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output["height"] = vips_image_get_page_height(in.get_image());
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return output;
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}
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