68 lines
1.4 KiB
C++
68 lines
1.4 KiB
C++
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#pragma once
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// Utils includes
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#include <utils/RgbImage.h>
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///
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/// Result structure of the detected blackborder.
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///
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struct BlackBorder
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{
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///
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/// Enumeration of the possible types of detected borders
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///
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enum Type
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{
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none,
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horizontal,
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vertical,
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unknown
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};
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/// The type of detected border
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Type type;
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/// The size of detected border (negative if not applicable)
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int size;
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};
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///
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/// The BlackBorderDetector performs detection of black-borders on a single image.
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/// The detector will scan the border of the upper-left quadrant of an image. Based on detected
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/// black pixels it will give an estimate of the black-border.
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///
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class BlackBorderDetector
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{
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public:
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///
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/// Constructs a black-border detector
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///
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BlackBorderDetector();
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///
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/// Performs the actual black-border detection on the given image
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///
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/// @param[in] image The image on which detection is performed
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///
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/// @return The detected (or not detected) black border info
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///
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BlackBorder process(const RgbImage& image);
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private:
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///
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/// Checks if a given color is considered black and therefor could be part of the border.
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///
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/// @param[in] color The color to check
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///
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/// @return True if the color is considered black else false
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///
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inline bool isBlack(const RgbColor& color)
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{
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// Return the simple compare of the color against black
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return RgbColor::BLACK == color;
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// TODO[TvdZ]: We could add a threshold to check that the color is close to black
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}
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};
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