Change license, improve makefile, remove dist/

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

1 files changed, 535 insertions, 0 deletions

diff --git a/libgamma-method.cc b/libgamma-method.cc
new file mode 100644
index 0000000..79230f2
--- /dev/null
+++ b/libgamma-method.cc
@@ -0,0 +1,535 @@
+/* See LICENSE file for copyright and license details. */
+#include "libgamma-method.hh"
+
+#include "libgamma-error.hh"
+
+#include <cstdlib>
+#include <cstring>
+#include <cerrno>
+
+
+namespace libgamma
+{
+  /**
+   * Constructor.
+   */
+  MethodCapabilities::MethodCapabilities() :
+    crtc_information(0),
+    default_site_known(false),
+    multiple_sites(false),
+    multiple_partitions(false),
+    multiple_crtcs(false),
+    partitions_are_graphics_cards(false),
+    site_restore(false),
+    partition_restore(false),
+    crtc_restore(false),
+    identical_gamma_sizes(false),
+    fixed_gamma_size(false),
+    fixed_gamma_depth(false),
+    real(false),
+    fake(false)
+  {
+    /* Do nothing. */
+  }
+  
+  
+  /**
+   * Constructor.
+   * 
+   * @param  caps  The information in the native structure.
+   */
+  MethodCapabilities::MethodCapabilities(libgamma_method_capabilities_t* caps) :
+    crtc_information(caps->crtc_information),
+    default_site_known(caps->default_site_known),
+    multiple_sites(caps->multiple_sites),
+    multiple_partitions(caps->multiple_partitions),
+    multiple_crtcs(caps->multiple_crtcs),
+    partitions_are_graphics_cards(caps->partitions_are_graphics_cards),
+    site_restore(caps->site_restore),
+    partition_restore(caps->partition_restore),
+    crtc_restore(caps->crtc_restore),
+    identical_gamma_sizes(caps->identical_gamma_sizes),
+    fixed_gamma_size(caps->fixed_gamma_size),
+    fixed_gamma_depth(caps->fixed_gamma_depth),
+    real(caps->real),
+    fake(caps->fake)
+  {
+    /* Do nothing. */
+  }
+  
+  
+  /**
+   * Copy constructor.
+   * 
+   * @param  other  The information to copy.
+   */
+  MethodCapabilities::MethodCapabilities(const MethodCapabilities& other) :
+    crtc_information(other.crtc_information),
+    default_site_known(other.default_site_known),
+    multiple_sites(other.multiple_sites),
+    multiple_partitions(other.multiple_partitions),
+    multiple_crtcs(other.multiple_crtcs),
+    partitions_are_graphics_cards(other.partitions_are_graphics_cards),
+    site_restore(other.site_restore),
+    partition_restore(other.partition_restore),
+    crtc_restore(other.crtc_restore),
+    identical_gamma_sizes(other.identical_gamma_sizes),
+    fixed_gamma_size(other.fixed_gamma_size),
+    fixed_gamma_depth(other.fixed_gamma_depth),
+    real(other.real),
+    fake(other.fake)
+  {
+    /* Do nothing. */
+  }
+  
+  
+  /**
+   * Destructor.
+   */
+  MethodCapabilities::~MethodCapabilities()
+  {
+    /* Do nothing. */
+  }
+  
+  
+  /**
+   * Copy operator.
+   * 
+   * @param  other  The information to copy.
+   */
+  MethodCapabilities& MethodCapabilities::operator =(const MethodCapabilities& other)
+  {
+    this->crtc_information = other.crtc_information;
+    this->default_site_known = other.default_site_known;
+    this->multiple_sites = other.multiple_sites;
+    this->multiple_partitions = other.multiple_partitions;
+    this->multiple_crtcs = other.multiple_crtcs;
+    this->partitions_are_graphics_cards = other.partitions_are_graphics_cards;
+    this->site_restore = other.site_restore;
+    this->partition_restore = other.partition_restore;
+    this->crtc_restore = other.crtc_restore;
+    this->identical_gamma_sizes = other.identical_gamma_sizes;
+    this->fixed_gamma_size = other.fixed_gamma_size;
+    this->fixed_gamma_depth = other.fixed_gamma_depth;
+    this->real = other.real;
+    this->fake = other.fake;
+    
+    return *this;
+  }
+  
+  
+  
+  
+  
+  /**
+   * Constructor.
+   */
+  CRTCInformation::CRTCInformation() :
+    edid(nullptr),
+    edid_length(0),
+    edid_error(0),
+    width_mm(0),
+    width_mm_error(0),
+    height_mm(0),
+    height_mm_error(0),
+    width_mm_edid(0),
+    width_mm_edid_error(0),
+    height_mm_edid(0),
+    height_mm_edid_error(0),
+    red_gamma_size(0),
+    green_gamma_size(0),
+    blue_gamma_size(0),
+    gamma_size_error(0),
+    gamma_depth(0),
+    gamma_depth_error(0),
+    gamma_support(0),
+    gamma_support_error(0),
+    subpixel_order((SubpixelOrder)0),
+    subpixel_order_error(0),
+    active(0),
+    active_error(0),
+    connector_name(nullptr),
+    connector_name_error(0),
+    connector_type((ConnectorType)0),
+    connector_type_error(0),
+    gamma_red(0),
+    gamma_green(0),
+    gamma_blue(0),
+    gamma_error(0)
+  {
+    /* Do nothing. */
+  }
+  
+  
+  /**
+   * Constructor.
+   * 
+   * @param  info  The information in the native structure.
+   */
+  CRTCInformation::CRTCInformation(libgamma_crtc_information_t* info) :
+    edid(info->edid),
+    edid_length(info->edid_length),
+    edid_error(info->edid_error),
+    width_mm(info->width_mm),
+    width_mm_error(info->width_mm_error),
+    height_mm(info->height_mm),
+    height_mm_error(info->height_mm_error),
+    width_mm_edid(info->width_mm_edid),
+    width_mm_edid_error(info->width_mm_edid_error),
+    height_mm_edid(info->height_mm_edid),
+    height_mm_edid_error(info->height_mm_edid_error),
+    red_gamma_size(info->red_gamma_size),
+    green_gamma_size(info->green_gamma_size),
+    blue_gamma_size(info->blue_gamma_size),
+    gamma_size_error(info->gamma_size_error),
+    gamma_depth(info->gamma_depth),
+    gamma_depth_error(info->gamma_depth_error),
+    gamma_support(info->gamma_support),
+    gamma_support_error(info->gamma_support_error),
+    subpixel_order(info->subpixel_order),
+    subpixel_order_error(info->subpixel_order_error),
+    active(info->active),
+    active_error(info->active_error),
+    connector_name(nullptr),
+    connector_name_error(info->connector_name_error),
+    connector_type(info->connector_type),
+    connector_type_error(info->connector_type_error),
+    gamma_red(info->gamma_red),
+    gamma_green(info->gamma_green),
+    gamma_blue(info->gamma_blue),
+    gamma_error(info->gamma_error)
+  {
+    if (info->connector_name != nullptr)
+      {
+	this->connector_name = new std::string(info->connector_name);
+	free(info->connector_name);
+      }
+  }
+  
+  
+  /**
+   * Copy constructor.
+   * 
+   * @param  other  The information to copy.
+   */
+  CRTCInformation::CRTCInformation(const CRTCInformation& other) :
+    edid(nullptr),
+    edid_length(other.edid_length),
+    edid_error(other.edid_error),
+    width_mm(other.width_mm),
+    width_mm_error(other.width_mm_error),
+    height_mm(other.height_mm),
+    height_mm_error(other.height_mm_error),
+    width_mm_edid(other.width_mm_edid),
+    width_mm_edid_error(other.width_mm_edid_error),
+    height_mm_edid(other.height_mm_edid),
+    height_mm_edid_error(other.height_mm_edid_error),
+    red_gamma_size(other.red_gamma_size),
+    green_gamma_size(other.green_gamma_size),
+    blue_gamma_size(other.blue_gamma_size),
+    gamma_size_error(other.gamma_size_error),
+    gamma_depth(other.gamma_depth),
+    gamma_depth_error(other.gamma_depth_error),
+    gamma_support(other.gamma_support),
+    gamma_support_error(other.gamma_support_error),
+    subpixel_order(other.subpixel_order),
+    subpixel_order_error(other.subpixel_order_error),
+    active(other.active),
+    active_error(other.active_error),
+    connector_name(nullptr),
+    connector_name_error(other.connector_name_error),
+    connector_type(other.connector_type),
+    connector_type_error(other.connector_type_error),
+    gamma_red(other.gamma_red),
+    gamma_green(other.gamma_green),
+    gamma_blue(other.gamma_blue),
+    gamma_error(other.gamma_error)
+  {
+    if (other.edid != nullptr)
+      {
+	this->edid = (unsigned char*)malloc(this->edid_length * sizeof(unsigned char));
+	memcpy(this->edid, other.edid, this->edid_length * sizeof(unsigned char));
+      }
+    if (other.connector_name != nullptr)
+      this->connector_name = new std::string(*(other.connector_name));
+  }
+  
+  
+  /**
+   * Destructor.
+   */
+  CRTCInformation::~CRTCInformation()
+  {
+    if (this->connector_name != nullptr)
+      delete this->connector_name;
+    free(this->edid);
+  }
+  
+  
+  /**
+   * Copy operator.
+   * 
+   * @param  other  The information to copy.
+   */
+  CRTCInformation& CRTCInformation::operator =(const CRTCInformation& other)
+  {
+    this->edid = nullptr;
+    this->edid_length = other.edid_length;
+    this->edid_error = other.edid_error;
+    this->width_mm = other.width_mm;
+    this->width_mm_error = other.width_mm_error;
+    this->height_mm = other.height_mm;
+    this->height_mm_error = other.height_mm_error;
+    this->width_mm_edid = other.width_mm_edid;
+    this->width_mm_edid_error = other.width_mm_edid_error;
+    this->height_mm_edid = other.height_mm_edid;
+    this->height_mm_edid_error = other.height_mm_edid_error;
+    this->red_gamma_size = other.red_gamma_size;
+    this->green_gamma_size = other.green_gamma_size;
+    this->blue_gamma_size = other.blue_gamma_size;
+    this->gamma_size_error = other.gamma_size_error;
+    this->gamma_depth = other.gamma_depth;
+    this->gamma_depth_error = other.gamma_depth_error;
+    this->gamma_support = other.gamma_support;
+    this->gamma_support_error = other.gamma_support_error;
+    this->subpixel_order = other.subpixel_order;
+    this->subpixel_order_error = other.subpixel_order_error;
+    this->active = other.active;
+    this->active_error = other.active_error;
+    this->connector_name = nullptr;
+    this->connector_name_error = other.connector_name_error;
+    this->connector_type = other.connector_type;
+    this->connector_type_error = other.connector_type_error;
+    this->gamma_red = other.gamma_red;
+    this->gamma_green = other.gamma_green;
+    this->gamma_blue = other.gamma_blue;
+    this->gamma_error = other.gamma_error;
+    
+    if (other.edid != nullptr)
+      {
+	this->edid = (unsigned char*)malloc(this->edid_length * sizeof(unsigned char));
+	memcpy(this->edid, other.edid, this->edid_length * sizeof(unsigned char));
+      }
+    if (other.connector_name != nullptr)
+      this->connector_name = new std::string(*(other.connector_name));
+    
+    return *this;
+  }
+  
+#ifdef __GNUC__
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wshadow"
+#endif
+  
+  /**
+   * Constructor.
+   */
+  Site::Site() :
+    method(0),
+    site(nullptr),
+    partitions_available(0),
+    native(nullptr)
+  {
+    /* Do nothing. */
+  }
+  
+  /**
+   * Constructor.
+   * 
+   * @param  method  The adjustment method of the site.
+   * @param  site    The site identifier, will be moved into
+   *                 the structure, must be `delete`:able.
+   */
+  Site::Site(int method, std::string* site) :
+    method(method),
+    site(site),
+    partitions_available(0),
+    native(nullptr)
+  {
+    char* cstr = nullptr;
+    int r;
+    
+    if (site != nullptr)
+      {
+	const char* cstr_ = site->c_str();
+	cstr = (char*)malloc((strlen(cstr_) + 1) * sizeof(char));
+	memcpy(cstr, cstr_, (strlen(cstr_) + 1) * sizeof(char));
+      }
+    this->native = (libgamma_site_state_t*)malloc(sizeof(libgamma_site_state_t));
+    r = libgamma_site_initialise(this->native, method, cstr);
+    if (r < 0)
+      {
+	int saved_errno = errno;
+	free(this->native);
+	this->native = nullptr;
+	errno = saved_errno;
+	throw create_error(r);
+      }
+    this->partitions_available = this->native->partitions_available;
+  }
+  
+  /**
+   * Destructor.
+   */
+  Site::~Site()
+  {
+    if (this->site != nullptr)
+      delete this->site;
+    if (this->native != nullptr)
+      libgamma_site_free(this->native);
+  }
+  
+  /**
+   * Restore the gamma ramps all CRTC:s with a site to
+   * the system settings.
+   */
+  void Site::restore()
+  {
+    int r;
+    r = libgamma_site_restore(this->native);
+    if (r != 0)
+      throw create_error(r);
+  }
+  
+  
+  
+  /**
+   * Constructor.
+   */
+  Partition::Partition() :
+    site(nullptr),
+    partition(0),
+    crtcs_available(0),
+    native(nullptr)
+  {
+    /* Do nothing. */
+  }
+  
+  /**
+   * Constructor.
+   * 
+   * @param  site       The site of the partition.
+   * @param  partition  The index of the partition.
+   */
+  Partition::Partition(Site* site, size_t partition) :
+    site(site),
+    partition(partition),
+    crtcs_available(0),
+    native(nullptr)
+  {
+    int r;
+    this->native = (libgamma_partition_state_t*)malloc(sizeof(libgamma_partition_state_t));
+    r = libgamma_partition_initialise(this->native, site->native, partition);
+    if (r < 0)
+      {
+	int saved_errno = errno;
+	free(this->native);
+	this->native = nullptr;
+	errno = saved_errno;
+	throw create_error(r);
+      }
+    this->crtcs_available = this->native->crtcs_available;
+  }
+  
+  /**
+   * Destructor.
+   */
+  Partition::~Partition()
+  {
+    if (this->native != nullptr)
+      libgamma_partition_free(this->native);
+  }
+  
+  /**
+   * Restore the gamma ramps all CRTC:s with a partition
+   * to the system settings.
+   */
+  void Partition::restore()
+  {
+    int r;
+    r = libgamma_partition_restore(this->native);
+    if (r != 0)
+      throw create_error(r);
+  }
+  
+  
+  
+  /**
+   * Constructor.
+   */
+  CRTC::CRTC() :
+    partition(nullptr),
+    crtc(0),
+    native(nullptr)
+  {
+    /* Do nothing. */
+  }
+  
+  /**
+   * Constructor.
+   * 
+   * @param  partition  The partition of the CRTC.
+   * @param  crtc       The index of the CRTC.
+   */
+  CRTC::CRTC(Partition* partition, size_t crtc) :
+    partition(partition),
+    crtc(crtc),
+    native(nullptr)
+  {
+    int r;
+    this->native = (libgamma_crtc_state_t*)malloc(sizeof(libgamma_crtc_state_t));
+    r = libgamma_crtc_initialise(this->native, partition->native, crtc);
+    if (r < 0)
+      {
+	int saved_errno = errno;
+	free(this->native);
+	this->native = nullptr;
+	errno = saved_errno;
+	throw create_error(r);
+      }
+  }
+  
+  /**
+   * Destructor.
+   */
+  CRTC::~CRTC()
+  {
+    if (this->native != nullptr)
+      libgamma_crtc_free(this->native);
+  }
+  
+  /**
+   * Restore the gamma ramps for a CRTC to the system
+   * settings for that CRTC.
+   */
+  void CRTC::restore()
+  {
+    int r;
+    r = libgamma_crtc_restore(this->native);
+    if (r != 0)
+      throw create_error(r);
+  }
+  
+  /**
+   * Read information about a CRTC.
+   * 
+   * @param   output  Instance of a data structure to fill with the information about the CRTC.
+   * @param   fields  OR:ed identifiers for the information about the CRTC that should be read.
+   * @return          Whether an error has occurred and is stored in a `*_error` field.
+   */
+  bool CRTC::information(CRTCInformation* output, int32_t fields)
+  {
+    libgamma_crtc_information_t info;
+    int r;
+    
+    r = libgamma_get_crtc_information(&info, this->native, fields);
+    *output = CRTCInformation(&info);
+    return r != 0;
+  }
+  
+#ifdef __GNUC__
+# pragma GCC diagnostic pop
+#endif
+  
+}
+