Change license, improve makefile, remove dist/

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 251 insertions, 0 deletions

diff --git a/libgamma-facade.hh b/libgamma-facade.hh
new file mode 100644
index 0000000..3ac3321
--- /dev/null
+++ b/libgamma-facade.hh
@@ -0,0 +1,251 @@
+/* See LICENSE file for copyright and license details. */
+#ifndef LIBGAMMA_FACADE_HH
+#define LIBGAMMA_FACADE_HH
+
+
+#include <string>
+#include <vector>
+
+#include "libgamma-native.hh"
+#include "libgamma-method.hh"
+
+
+#ifndef __GNUC__
+# define __attribute__(X) /* emtpy */
+#endif
+
+
+
+namespace libgamma
+{
+  /**
+   * List available adjustment methods by their order of preference based on the environment.
+   * 
+   * @param  operation  Allowed values:
+   *                      0: Methods that the environment suggests will work, excluding fake.
+   *                      1: Methods that the environment suggests will work, including fake.
+   *                      2: All real non-fake methods.
+   *                      3: All real methods.
+   *                      4: All methods.
+   *                    Other values invoke undefined behaviour.
+   * @return            Array of methods.
+   */
+  std::vector<int> list_methods(int operation);
+  
+  /**
+   * Check whether an adjustment method is available, non-existing (invalid) methods will be
+   * identified as not available under the rationale that the library may be out of date.
+   * 
+   * @param   method  The adjustment method.
+   * @return          Whether the adjustment method is available.
+   */
+  int is_method_available(int method) __attribute__((const));
+  
+  /**
+   * Return the capabilities of an adjustment method.
+   * 
+   * @param  output  The data structure to fill with the method's capabilities,
+   * @param  method  The adjustment method (display server and protocol).
+   */
+  void method_capabilities(MethodCapabilities* output, int method);
+  
+  /**
+   * Return the default site for an adjustment method.
+   * 
+   * @param   method  The adjustment method (display server and protocol.)
+   * @return          The default site, `nullptr` if it cannot be determined or if
+   *                  multiple sites are not supported by the adjustment method.
+   */
+  std::string* method_default_site(int method);
+  
+  /**
+   * Return the default variable that determines
+   * the default site for an adjustment method.
+   * 
+   * @param   method  The adjustment method (display server and protocol.)
+   * @return          The environ variables that is used to determine the
+   *                  default site. `nullptr` if there is none, that is, if
+   *                  the method does not support multiple sites.
+   */
+  std::string* method_default_site_variable(int method);
+  
+  
+  /**
+   * Convert a raw representation of an EDID to a lowercase hexadecimal representation.
+   * 
+   * @param   edid    The EDID in raw representation.
+   * @param   length  The length of `edid`.
+   * @return          The EDID in lowercase hexadecimal representation.
+   */
+  std::string behex_edid(const unsigned char* edid, size_t length);
+  
+  /**
+   * Convert a raw representation of an EDID to a lowercase hexadecimal representation.
+   * 
+   * @param   edid    The EDID in raw representation.
+   * @param   length  The length of `edid`.
+   * @return          The EDID in lowercase hexadecimal representation.
+   */
+  std::string behex_edid_lowercase(const unsigned char* edid, size_t length);
+  
+  /**
+   * Convert a raw representation of an EDID to an uppercase hexadecimal representation.
+   * 
+   * @param   edid    The EDID in raw representation.
+   * @param   length  The length of `edid`.
+   * @return          The EDID in uppercase hexadecimal representation.
+   */
+  std::string behex_edid_uppercase(const unsigned char* edid, size_t length);
+  
+  /**
+   * Convert an hexadecimal representation of an EDID to a raw representation.
+   * 
+   * @param   edid  The EDID in hexadecimal representation.
+   * @return        The EDID in raw representation, it will be half the length
+   *                of `edid` (the input value).
+   */
+  unsigned char* unhex_edid(const std::string edid);
+  
+  
+  /**
+   * Initialise a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param  ramps  The gamma ramp to initialise.
+   * @param  red    The size of the gamma ramp for the red channel.
+   * @param  green  The size of the gamma ramp for the green channel.
+   * @param  blue   The size of the gamma ramp for the blue channel.
+   */
+  void gamma_ramps8_initialise(GammaRamps<uint8_t>* ramps, size_t red, size_t blue, size_t green);
+  
+  /**
+   * Initialise a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param  ramps  The gamma ramp to initialise.
+   * @param  red    The size of the gamma ramp for the red channel.
+   * @param  green  The size of the gamma ramp for the green channel.
+   * @param  blue   The size of the gamma ramp for the blue channel.
+   */
+  void gamma_ramps16_initialise(GammaRamps<uint16_t>* ramps, size_t red, size_t blue, size_t green);
+  
+  /**
+   * Initialise a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param  ramps  The gamma ramp to initialise.
+   * @param  red    The size of the gamma ramp for the red channel.
+   * @param  green  The size of the gamma ramp for the green channel.
+   * @param  blue   The size of the gamma ramp for the blue channel.
+   */
+  void gamma_ramps32_initialise(GammaRamps<uint32_t>* ramps, size_t red, size_t blue, size_t green);
+  
+  /**
+   * Initialise a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param  ramps  The gamma ramp to initialise.
+   * @param  red    The size of the gamma ramp for the red channel.
+   * @param  green  The size of the gamma ramp for the green channel.
+   * @param  blue   The size of the gamma ramp for the blue channel.
+   */
+  void gamma_ramps64_initialise(GammaRamps<uint64_t>* ramps, size_t red, size_t blue, size_t green);
+  
+  /**
+   * Initialise a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param  ramps  The gamma ramp to initialise.
+   * @param  red    The size of the gamma ramp for the red channel.
+   * @param  green  The size of the gamma ramp for the green channel.
+   * @param  blue   The size of the gamma ramp for the blue channel.
+   */
+  void gamma_rampsf_initialise(GammaRamps<float>* ramps, size_t red, size_t blue, size_t green);
+  
+  /**
+   * Initialise a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param  ramps  The gamma ramp to initialise.
+   * @param  red    The size of the gamma ramp for the red channel.
+   * @param  green  The size of the gamma ramp for the green channel.
+   * @param  blue   The size of the gamma ramp for the blue channel.
+   */
+  void gamma_rampsd_initialise(GammaRamps<double>* ramps, size_t red, size_t blue, size_t green);
+  
+  
+  /**
+   * Create a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param   red    The size of the gamma ramp for the red channel.
+   * @param   green  The size of the gamma ramp for the green channel.
+   * @param   blue   The size of the gamma ramp for the blue channel.
+   * @return         The gamma ramp.
+   */
+  GammaRamps<uint8_t>* gamma_ramps8_create(size_t red, size_t blue, size_t green);
+  
+  /**
+   * Create a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param   red    The size of the gamma ramp for the red channel.
+   * @param   green  The size of the gamma ramp for the green channel.
+   * @param   blue   The size of the gamma ramp for the blue channel.
+   * @return         The gamma ramp.
+   */
+  GammaRamps<uint16_t>* gamma_ramps16_create(size_t red, size_t blue, size_t green);
+  
+  /**
+   * Create a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param   red    The size of the gamma ramp for the red channel.
+   * @param   green  The size of the gamma ramp for the green channel.
+   * @param   blue   The size of the gamma ramp for the blue channel.
+   * @return         The gamma ramp.
+   */
+  GammaRamps<uint32_t>* gamma_ramps32_create(size_t red, size_t blue, size_t green);
+  
+  /**
+   * Create a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param   red    The size of the gamma ramp for the red channel.
+   * @param   green  The size of the gamma ramp for the green channel.
+   * @param   blue   The size of the gamma ramp for the blue channel.
+   * @return         The gamma ramp.
+   */
+  GammaRamps<uint64_t>* gamma_ramps64_create(size_t red, size_t blue, size_t green);
+  
+  /**
+   * Create a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param   red    The size of the gamma ramp for the red channel.
+   * @param   green  The size of the gamma ramp for the green channel.
+   * @param   blue   The size of the gamma ramp for the blue channel.
+   * @return         The gamma ramp.
+   */
+  GammaRamps<float>* gamma_rampsf_create(size_t red, size_t blue, size_t green);
+  
+  /**
+   * Create a gamma ramp in the proper way that allows all adjustment
+   * methods to read from and write to it without causing segmentation violation.
+   * 
+   * @param   red    The size of the gamma ramp for the red channel.
+   * @param   green  The size of the gamma ramp for the green channel.
+   * @param   blue   The size of the gamma ramp for the blue channel.
+   * @return         The gamma ramp.
+   */
+  GammaRamps<double>* gamma_rampsd_create(size_t red, size_t blue, size_t green);
+  
+}
+
+
+#ifndef __GNUC__
+# undef __attribute__
+#endif
+
+#endif
+