Added padding
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@ -8,7 +8,7 @@ modifications.
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* [x] Symmetric identicons
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* [x] sigil identicons
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* [x] Asymmetric identicons
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* [ ] Padding
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* [x] Padding
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## Usage
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@ -29,7 +29,7 @@ int main(int argc, char *argv[])
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"00ff00ff",
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"00ffffff",
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"0000ffff"
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});
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}, { 10, 10 });
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img = identicon.generate(digest, 500);
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img.write("identicon_example_ltr_symmetric.png");
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}
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@ -20,15 +20,17 @@
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#include "identiconpp.hpp"
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#include "debug.hpp"
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Identiconpp::Identiconpp(const uint8_t rows, const uint8_t columns,
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Identiconpp::Identiconpp(const uint8_t columns, const uint8_t rows,
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algorithm type,
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const string &background,
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const vector<string> &foreground)
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const vector<string> &foreground,
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const array<const uint8_t, 2> &padding)
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: _rows(rows)
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, _columns(columns)
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, _type(type)
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, _background(background)
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, _foreground(foreground)
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, _padding(padding)
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{
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check_color(background);
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@ -42,25 +44,35 @@ Magick::Image Identiconpp::generate(const string &digest, const uint16_t width)
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{
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ttdebug << "Using digest: " << digest << '\n';
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check_entropy(digest, _type);
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const uint16_t height = width / _columns * _rows;
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ttdebug << "width: " << std::to_string(width)
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<< ", height: " << std::to_string(height) << "\n";
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const uint16_t imgwidth = width - _padding[0] * 2;
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const uint16_t imgheight = imgwidth / _columns * _rows;
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ttdebug << "width: " << std::to_string(imgwidth + _padding[0] * 2)
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<< ", height: " << std::to_string(imgheight + _padding[1] * 2)
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<< "\n";
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Magick::Image img;
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switch (_type)
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{
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case algorithm::ltr_symmetric:
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{
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return generate_ltr_symmetric(digest, width, height);
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img = generate_ltr_symmetric(digest);
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}
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case algorithm::ltr_asymmetric:
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{
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return generate_ltr_asymmetric(digest, width, height);
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img = generate_ltr_asymmetric(digest);
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}
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case algorithm::sigil:
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{
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return generate_sigil(digest, width, height);
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img = generate_sigil(digest);
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}
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}
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img.backgroundColor(Magick::Color('#' + _background));
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img.scale(Magick::Geometry(imgwidth, imgheight));
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img.borderColor(Magick::Color('#' + _background));
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img.border(Magick::Geometry(_padding[0], _padding[1]));
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img.magick("png");
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return img;
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}
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bool Identiconpp::get_bit(const uint16_t bit, const string &digest)
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@ -17,12 +17,14 @@
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#include <cstdint>
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#include <string>
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#include <vector>
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#include <array>
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#include <Magick++/Image.h>
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using std::uint8_t;
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using std::uint16_t;
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using std::string;
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using std::vector;
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using std::array;
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/*!
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* @brief Base class for identiconpp.
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@ -55,11 +57,13 @@ public:
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* @param type The type of identicon
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* @param background Background color, hexadecimal, rrggbbaa
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* @param foreground vector of foreground colors
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* @param padding Padding { left & right, top & down }
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*/
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explicit Identiconpp(const uint8_t rows, const uint8_t columns,
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explicit Identiconpp(const uint8_t columns, const uint8_t rows,
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algorithm type = algorithm::ltr_symmetric,
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const string &background = "ffffffff",
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const vector<string> &foreground = { "000000ff" } );
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const vector<string> &foreground = { "000000ff" },
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const array<const uint8_t, 2> &padding = { 0, 0 });
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/*!
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* @brief Generates identicon from digest.
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@ -77,6 +81,7 @@ private:
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const algorithm _type;
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const string _background;
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const vector<string> _foreground;
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const array<const uint8_t, 2> _padding;
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/*!
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* @brief Generate ltr_symmetric identicon.
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@ -86,48 +91,36 @@ private:
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* from left to right, top to bottom.
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*
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* @param digest The pre-computed digest
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* @param width The width of the image
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* @param height The height of the image
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*
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* @return The image
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*/
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Magick::Image generate_ltr_symmetric(const string &digest,
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const uint16_t width,
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const uint16_t height);
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Magick::Image generate_ltr_symmetric(const string &digest);
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/*!
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* @brief Generate ltr_asymmetric identicon.
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*
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* Use bits 0 to _columns * _rows, use the
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* following bits to determine foreground color. Squares are drawn
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* from left to right, top to bottom.
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* Use bits 0 to _columns * _rows, use the following bits to
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* determine foreground color. Squares are drawn from left to
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* right, top to bottom.
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*
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* @param digest The pre-computed digest
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* @param width The width of the image
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* @param height The height of the image
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*
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* @return The image
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*/
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Magick::Image generate_ltr_asymmetric(const string &digest,
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const uint16_t width,
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const uint16_t height);
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Magick::Image generate_ltr_asymmetric(const string &digest);
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/*!
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* @brief Generate sigil identicon.
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*
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* Use bits 9 to (_columns / 2 + _columns % 2) * _rows, use the first
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* 8 bits to determine foreground color. Squares are drawn from top
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* to bottom, left to right.
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* Use bits 9 to (_columns / 2 + _columns % 2) * _rows, use the
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* first 8 bits to determine foreground color. Squares are drawn
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* from top to bottom, left to right.
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*
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* @param digest The pre-computed digest
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* @param width The width of the image
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* @param height The height of the image
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*
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* @return The image
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*/
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Magick::Image generate_sigil(const string &digest,
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const uint16_t width,
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const uint16_t height);
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Magick::Image generate_sigil(const string &digest);
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/*!
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* @brief Check if the digest contains enough entropy.
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@ -17,12 +17,10 @@
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#include "identiconpp.hpp"
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#include "debug.hpp"
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Magick::Image Identiconpp::generate_ltr_asymmetric(const string &digest,
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const uint16_t width,
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const uint16_t height)
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Magick::Image Identiconpp::generate_ltr_asymmetric(const string &digest)
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{
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Magick::Image img(Magick::Geometry(_columns, _rows),
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Magick::Color("#" + _background));
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Magick::Color("#00000000"));
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Magick::Color dotcolor = get_color(_columns * _rows + 1, digest);
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for (uint8_t row = 0; row < _rows; ++row)
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@ -38,7 +36,5 @@ Magick::Image Identiconpp::generate_ltr_asymmetric(const string &digest,
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}
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}
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img.scale(Magick::Geometry(width, height));
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img.magick("png");
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return img;
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}
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@ -17,12 +17,10 @@
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#include "identiconpp.hpp"
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#include "debug.hpp"
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Magick::Image Identiconpp::generate_ltr_symmetric(const string &digest,
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const uint16_t width,
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const uint16_t height)
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Magick::Image Identiconpp::generate_ltr_symmetric(const string &digest)
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{
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Magick::Image img(Magick::Geometry(_columns, _rows),
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Magick::Color("#" + _background));
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Magick::Color("#00000000"));
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uint8_t used_columns = _columns / 2 + _columns % 2;
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Magick::Color dotcolor = get_color(used_columns * _rows + 1, digest);
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@ -40,7 +38,5 @@ Magick::Image Identiconpp::generate_ltr_symmetric(const string &digest,
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}
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}
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img.scale(Magick::Geometry(width, height));
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img.magick("png");
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return img;
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}
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@ -17,13 +17,10 @@
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#include "identiconpp.hpp"
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#include "debug.hpp"
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Magick::Image Identiconpp::generate_sigil(const string &digest,
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const uint16_t width,
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const uint16_t height)
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Magick::Image Identiconpp::generate_sigil(const string &digest)
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{
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// throw "Not implemented.";
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Magick::Image img(Magick::Geometry(_columns, _rows),
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Magick::Color("#" + _background));
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Magick::Color("#00000000"));
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Magick::Color dotcolor = get_color(0, digest);
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uint8_t used_columns = _columns / 2 + _columns % 2;
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}
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}
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img.scale(Magick::Geometry(width, height));
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img.magick("png");
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return img;
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}
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