hi Namespace Reference

geometry/margins.hpp More...

Namespaces
namespace	geo
	HikoGUI geometry types.
namespace	v1
	The HikoGUI API version 1.

Data Structures
class	abstract_button_widget
	Base class for implementing button widgets. More...
class	audio_device_widget
	Audio device configuration widget. More...
struct	box_constraints
	2D constraints. More...
struct	box_shape
class	button_delegate
	A button delegate controls the state of a button widget. More...
class	cache
class	cancel_error
	Cancel error is caused by user pressing cancel. More...
struct	char_converter
	A converter between character encodings. More...
struct	char_map
	Character encoder/decoder template. More...
struct	char_map<"ascii">
	ASCII (7-bit) character map. More...
struct	char_map<"cp-1252">
	CP-1252 / Windows-1252 character map. More...
struct	char_map<"iso-8859-1">
	ISO-8859-1 / Latin-1 character map. More...
struct	char_map<"utf-16">
	Unicode UTF-16 encoding. More...
struct	char_map<"utf-32">
	Unicode UTF-32 encoding. More...
struct	char_map<"utf-8">
	Unicode UTF-8 encoding. More...
class	checkbox_widget
	A GUI widget that permits the user to make a binary choice. More...
class	circle
	A type defining a 2D circle. More...
class	color
	This is a RGBA floating point color. More...
class	const_resource_view
	A read-only view of a resource. More...
struct	convertible_to_any
	A type that can be implicitly converted to any type. More...
class	corner_radii
	The 4 radii of the corners of a quad or rectangle. More...
class	cpu_id
class	dead_lock_detector
	Dead lock detector. More...
class	default_radio_button_delegate
	A default radio button delegate. More...
class	default_selection_delegate
	A delegate that control the state of a selection_widget. More...
class	default_tab_delegate
	A delegate that control the state of a tab_widget. More...
class	default_text_delegate
	A default text delegate. More...
class	default_text_delegate< char const * >
	A default text delegate specialization for std::string. More...
class	default_text_delegate< gstring >
	A default text delegate specialization for gstring. More...
class	default_text_delegate< std::string >
	A default text delegate specialization for std::string. More...
class	default_text_delegate< text >
	A default text delegate specialization for text. More...
class	default_text_delegate< translate >
	A default text delegate specialization for translate. More...
class	default_text_field_delegate
	A default text delegate. More...
class	default_text_field_delegate< T >
	A default text delegate specialization for std::integral<T>. More...
class	default_toggle_button_delegate
	A default toggle button delegate. More...
struct	draw_attributes
	The draw attributes used to draw shaped into the draw context. More...
class	draw_context
	Draw context for drawing using the HikoGUI shaders. More...
class	file
	A File object. More...
class	file_view
	Map a file into virtual memory. More...
class	font_char_map
	Character map of a font. More...
class	glob_pattern
	A glob pattern. More...
class	grid_layout
	Grid layout algorithm. More...
class	grid_widget
	A GUI widget that lays out child-widgets in a grid with variable sized cells. More...
class	gui_error
class	gui_event
	A user interface event. More...
class	icon_widget
	An simple GUI widget that displays an icon. More...
struct	interval
class	io_error
	Exception thrown during I/O on an error. More...
class	key_error
struct	keyboard_target_data
class	label_widget
	The GUI widget displays and lays out text together with an icon. More...
class	lean_vector
	Lean-vector with (SVO) short-vector-optimization. More...
struct	lexer_config
class	line_segment
	Line segment. More...
class	log
class	lookahead_iterator
	Lookahead iterator. More...
class	menu_button_widget
	A button that is part of a menu. More...
class	momentary_button_widget
	A momentary button widget. More...
struct	mouse_event_data
	Information for a mouse event. More...
struct	native_simd
	A native-SIMD type. More...
class	not_found_error
	Exception thrown when an item was not found. More...
struct	number_of_data_members
class	operation_error
	Exception thrown during execution of a dynamic operation. More...
class	os_error
	Exception thrown during an operating system call. More...
struct	otype_fbyte_buf_t
	Open-type for 8 signed integer that must be scaled by the EM-scale. More...
struct	otype_fixed15_16_buf_t
	Open-type 16.16 signed fixed point, range between -32768.0 and 32767.999. More...
struct	otype_fixed1_14_buf_t
	Open-type 16-bit signed fraction, range between -2.0 and 1.999. More...
struct	otype_fuword_buf_t
	Open-type for 16 unsigned integer that must be scaled by the EM-scale. More...
struct	otype_fword_buf_t
	Open-type for 16 signed integer that must be scaled by the EM-scale. More...
class	overlay_widget
	A GUI widget which may exist anywhere on a window overlaid above any other widget. More...
struct	override_t
	Tag used for special functions or constructions to do a override compared to another function of the same na,e. More...
class	parse_error
	Exception thrown during parsing on an error. More...
class	pixmap
	A 2D pixel-based image. More...
class	pixmap_span
	A non-owning 2D pixel-based image. More...
class	quad_color
	A color for each corner of a quad. More...
class	radio_button_widget
	A graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. More...
class	row_column_layout
class	row_column_widget
	A row/column widget lays out child widgets along a row or column. More...
class	scroll_aperture_widget
	A scroll aperture widget. More...
class	scroll_bar_widget
	Scroll bar widget This widget is used in a pair of a vertical and horizontal scrollbar as a child of the scroll_widget. More...
class	scroll_widget
	The scroll widget allows a content widget to be shown in less space than is required. More...
class	selection_delegate
	A delegate that controls the state of a selection_widget. More...
class	selection_widget
	A graphical control element that allows the user to choose only one of a predefined set of mutually exclusive options. More...
class	spacer_widget
	This GUI widget is used as a spacer between other widget for layout purposes. More...
class	system_menu_widget
	The system menu widget. More...
class	tab_delegate
	A delegate that controls the state of a tab_widget. More...
class	tab_widget
	A graphical element that shows only one of a predefined set of mutually exclusive child widgets. More...
class	text_delegate
	A delegate that controls the state of a text_widget. More...
class	text_field_delegate
	A delegate that controls the state of a text_field_widget. More...
class	text_field_widget
	A single line text field. More...
class	text_widget
	A text widget. More...
struct	three_way_comparison
	A functor to safely compare two arithmetic values. More...
struct	three_way_comparison< Lhs, Rhs >
class	toggle_widget
	A GUI widget that permits the user to make a binary choice. More...
class	toolbar_button_widget
	A momentary button used as a child in the toolbar. More...
class	toolbar_tab_button_widget
	A graphical control element that allows the user to choose only one of a predefined set of mutually exclusive views of a tab_widget. More...
class	toolbar_widget
	A toolbar widget is located at the top of a window and lays out its children horizontally. More...
class	unfair_mutex_impl
	An unfair mutex This is a fast implementation of a mutex which does not fairly arbitrate between multiple blocking threads. More...
class	unfair_recursive_mutex
	An unfair recursive-mutex This is a fast implementation of a recursive-mutex which does not fairly arbitrate between multiple blocking threads. More...
struct	unusable_t
	A type that can not be constructed, copied, moved or destructed. More...
class	URI
	A Uniform Resource Identifier. More...
class	uri_error
class	URL
	Universal Resource Locator. More...
class	url_error
class	widget
	An interactive graphical object as part of the user-interface. More...
class	widget_layout
	The layout of a widget. More...
class	window_traffic_lights_widget
	Window control button widget. More...
class	window_widget
	The top-level window widget. More...

Typedefs
using	thread_id = uint32_t
using	unfair_mutex = unfair_mutex_impl<true>
using	aarectangle = geo::axis_aligned_rectangle<float>
using	aarectanglei = geo::axis_aligned_rectangle<int>
using	extent2 = geo::extent<float, 2>
	A 2D extent.
using	extent3 = geo::extent<float, 3>
	A 3D extent.
using	extent2i = geo::extent<int, 2>
	A 2D extent.
using	extent3i = geo::extent<int, 3>
	A 3D extent.
using	identity2 = geo::identity
	2D identity transform.
using	identity3 = geo::identity
	2D identity transform.
using	lookat3 = geo::lookat
using	margins = geo::margins<float>
using	marginsi = geo::margins<int>
using	matrix2 = geo::matrix<2>
	A 2D homogenious transformation matrix.
using	matrix3 = geo::matrix<3>
	A 3D homogenious transformation matrix.
using	perspective3 = geo::perspective
using	widget_id = tagged_id<uint32_t, "widget">
template<typename T >
using	row_layout = row_column_layout<axis::x, T>
template<typename T >
using	column_layout = row_column_layout<axis::y, T>
using	ssize_t = std::ptrdiff_t
	Signed size/index into an array.
using	row_widget = row_column_widget<axis::x>
	Lays out children in a row.
using	column_widget = row_column_widget<axis::y>
	Lays out children in a column.
using	vertical_scroll_widget = scroll_widget<axis::vertical>
	Vertical scroll widget.
using	horizontal_scroll_widget = scroll_widget<axis::horizontal>
	Horizontal scroll widget.

Enumerations
enum class	semantic_color : unsigned char {   blue , green , indigo , orange ,   pink , purple , red , teal ,   yellow , gray , gray2 , gray3 ,   gray4 , gray5 , gray6 , foreground ,   border , fill , accent , text_select ,   primary_cursor , secondary_cursor }
	Semantic colors. More...
enum class	global_state_type : uint64_t {   log_debug = 0x01 , log_info = 0x02 , log_statistics = 0x04 , log_trace = 0x08 ,   log_audit = 0x10 , log_warning = 0x20 , log_error = 0x40 , log_fatal = 0x80 ,   log_mask = log_debug | log_info | log_statistics | log_trace | log_audit | log_warning | log_error | log_fatal , log_level_default = log_audit | log_error | log_fatal , log_level_fatal = log_audit | log_fatal , log_level_error = log_trace | log_error | log_level_fatal ,   log_level_warning = log_warning | log_level_error , log_level_info = log_info | log_statistics | log_level_warning , log_level_debug = log_debug | log_level_info , log_is_running = 0x1'00 ,   time_stamp_utc_is_running = 0x2'00 , system_is_running = 0x1'000000'00 , system_is_shutting_down = 0x2'000000'00 , system_mask = system_is_running | system_is_shutting_down }
	The flag-type used for global state. More...
enum class	seek_whence { seek_whence::begin , seek_whence::current , seek_whence::end }
	The position in the file to seek from. More...
enum class	access_mode {   access_mode::read = 0x1 , access_mode::write = 0x2 , access_mode::rename = 0x4 , access_mode::read_lock = 0x10 ,   access_mode::write_lock = 0x20 , access_mode::open = 0x100 , access_mode::create = 0x200 , access_mode::truncate = 0x400 ,   access_mode::random = 0x1000 , access_mode::sequential = 0x2000 , access_mode::no_reuse = 0x4000 , access_mode::write_through = 0x8000 ,   access_mode::create_directories = 0x10000 , access_mode::open_for_read = open | read , access_mode::open_for_read_and_write = open | read | write , truncate_or_create_for_write = create_directories | open | create | truncate | write }
	The mode in which way to open a file. More...
enum class	path_location {   path_location::resource_dirs , path_location::executable_file , path_location::executable_dir , path_location::library_file ,   path_location::library_dir , path_location::data_dir , path_location::log_dir , path_location::preferences_file ,   path_location::system_font_dirs , path_location::font_dirs , path_location::theme_dirs }
	File and Directory locations. More...
enum class	axis : unsigned char {   none = 0 , x = 1 , y = 2 , z = 4 ,   both = x | y , all = x | y | z , horizontal = x , vertical = y }
	An enumeration of the 3 axis for 3D geometry. More...
enum class	line_end_cap { line_end_cap::flat , line_end_cap::round }
	The way two lines should be joined. More...
enum class	line_join_style { line_join_style::none , line_join_style::bevel , line_join_style::miter , line_join_style::round }
	The way two lines should be joined. More...
enum class	border_side { on , inside , outside }
	The side where the border is drawn. More...
enum class	gui_event_type {   none , keyboard_down , keyboard_up , keyboard_grapheme ,   keyboard_partial_grapheme , keyboard_enter , keyboard_exit , mouse_move ,   mouse_drag , mouse_down , mouse_up , mouse_wheel ,   mouse_enter , mouse_exit , mouse_exit_window , gui_event_type::window_redraw ,   gui_event_type::window_relayout , gui_event_type::window_reconstrain , gui_event_type::window_resize , gui_event_type::window_minimize ,   gui_event_type::window_maximize , gui_event_type::window_normalize , gui_event_type::window_close , gui_event_type::window_open_sysmenu ,   gui_event_type::window_set_keyboard_target , gui_event_type::window_set_clipboard , text_cursor_left_char , text_cursor_right_char ,   text_cursor_down_char , text_cursor_up_char , text_cursor_left_word , text_cursor_right_word ,   text_cursor_begin_line , text_cursor_end_line , text_cursor_begin_sentence , text_cursor_end_sentence ,   text_cursor_begin_document , text_cursor_end_document , text_select_left_char , text_select_right_char ,   text_select_down_char , text_select_up_char , text_select_word , text_select_left_word ,   text_select_right_word , text_select_begin_line , text_select_end_line , text_select_begin_sentence ,   text_select_end_sentence , text_select_document , text_select_begin_document , text_select_end_document ,   text_delete_char_prev , text_delete_char_next , text_delete_word_prev , text_delete_word_next ,   text_swap_chars , text_edit_paste , text_edit_copy , text_edit_cut ,   text_undo , text_redo , text_insert_line , text_insert_line_up ,   text_insert_line_down , text_mode_insert , gui_widget_next , gui_widget_prev ,   gui_menu_next , gui_menu_prev , gui_toolbar_open , gui_toolbar_next ,   gui_toolbar_prev , gui_activate , gui_activate_next , gui_cancel }
	GUI event type. More...
enum class	gui_event_variant {   gui_event_variant::other , gui_event_variant::mouse , gui_event_variant::keyboard , gui_event_variant::keyboard_target ,   gui_event_variant::grapheme , gui_event_variant::rectangle , gui_event_variant::clipboard_data }
	A granular gui event type. More...
enum class	button_state { button_state::off , button_state::on , button_state::other }
	The state of a button. More...
enum class	widget_mode {   widget_mode::collapse , widget_mode::invisible , widget_mode::disabled , widget_mode::display ,   widget_mode::select , widget_mode::partial , widget_mode::enabled }
	The mode that the widget is operating at. More...

Functions
char32_t	random_char () noexcept
constexpr std::u32string	to_u32string (std::u32string_view rhs) noexcept
	Identity conversion from UTF-32 to UTF-32.
constexpr std::u32string	to_u32string (std::u16string_view rhs) noexcept
	Conversion from UTF-16 to UTF-32.
constexpr std::u32string	to_u32string (std::u8string_view rhs) noexcept
	Conversion from UTF-8 to UTF-32.
constexpr std::u32string	to_u32string (std::wstring_view rhs) noexcept
	Conversion from wide-string (UTF-16/32) to UTF-32.
constexpr std::u32string	to_u32string (std::string_view rhs) noexcept
	Conversion from UTF-8 to UTF-32.
constexpr std::u16string	to_u16string (std::u32string_view rhs) noexcept
	Conversion from UTF-32 to UTF-16.
constexpr std::u16string	to_u16string (std::u16string_view rhs) noexcept
	Identity conversion from UTF-16 to UTF-16.
constexpr std::u16string	to_u16string (std::u8string_view rhs) noexcept
	Conversion from UTF-8 to UTF-16.
constexpr std::u16string	to_u16string (std::wstring_view rhs) noexcept
	Conversion from wide-string (UTF-16/32) to UTF-16.
constexpr std::u16string	to_u16string (std::string_view rhs) noexcept
	Conversion from UTF-8 to UTF-16.
constexpr std::u8string	to_u8string (std::u32string_view rhs) noexcept
	Conversion from UTF-32 to UTF-8.
constexpr std::u8string	to_u8string (std::u16string_view rhs) noexcept
	Conversion from UTF-16 to UTF-8.
constexpr std::u8string	to_u8string (std::u8string_view rhs) noexcept
	Identity conversion from UTF-8 to UTF-8.
constexpr std::u8string	to_u8string (std::wstring_view rhs) noexcept
	Conversion from wide-string (UTF-16/32) to UTF-8.
constexpr std::u8string	to_u8string (std::string_view rhs) noexcept
	Conversion from UTF-8 to UTF-8.
constexpr std::wstring	to_wstring (std::u32string_view rhs) noexcept
	Conversion from UTF-32 to wide-string (UTF-16/32).
constexpr std::wstring	to_wstring (std::u16string_view rhs) noexcept
	Conversion from UTF-16 to wide-string (UTF-16/32).
constexpr std::wstring	to_wstring (std::u8string_view rhs) noexcept
	Conversion from UTF-8 to wide-string (UTF-16/32).
constexpr std::wstring	to_wstring (std::wstring_view rhs) noexcept
	Identity conversion from wide-string (UTF-16/32) to wide-string (UTF-16/32).
constexpr std::wstring	to_wstring (std::string_view rhs) noexcept
	Conversion from UTF-8 to wide-string (UTF-16/32).
constexpr std::string	to_string (std::u32string_view rhs) noexcept
	Conversion from UTF-32 to UTF-8.
constexpr std::string	to_string (std::u16string_view rhs) noexcept
	Conversion from UTF-16 to UTF-8.
constexpr std::string	to_string (std::u8string_view rhs) noexcept
	Identity conversion from UTF-8 to UTF-8.
constexpr std::string	to_string (std::wstring_view rhs) noexcept
	Conversion from wide-string (UTF-16/32) to UTF-8.
constexpr std::string	to_string (std::string_view rhs) noexcept
	Conversion from UTF-8 to UTF-8.
constexpr matrix3	color_primaries_to_RGBtoXYZ (float wx, float wy, float rx, float ry, float gx, float gy, float bx, float by) noexcept
	Create a color space conversion matrix.
float	Rec2100_linear_to_gamma (float L) noexcept
	Rec.2100 linear to gamma transfer function.
float	Rec2100_gamma_to_linear (float N) noexcept
	Rec.2100 gamma to linear transfer function.
std::string_view	to_string (semantic_color rhs) noexcept
	Convert a semantic color to a string.
semantic_color	semantic_color_from_string (std::string_view str)
	Convert a string to a semantic color.
float	sRGB_linear_to_gamma (float u) noexcept
	sRGB linear to gamma transfer function.
float	sRGB_gamma_to_linear (float u) noexcept
	sRGB gamma to linear transfer function.
uint8_t	sRGB_linear16_to_gamma8 (float16 u) noexcept
	sRGB linear float-16 to gamma transfer function.
float16	sRGB_gamma8_to_linear16 (uint8_t u) noexcept
	sRGB gamma to linear float-16 transfer function.
color	color_from_sRGB (float r, float g, float b, float a) noexcept
	Convert gama corrected sRGB color to the linear color.
color	color_from_sRGB (uint8_t r, uint8_t g, uint8_t b, uint8_t a) noexcept
	Convert gama corrected sRGB color to the linear color.
color	color_from_sRGB (std::string_view str)
constexpr global_state_type	operator| (global_state_type lhs, global_state_type rhs) noexcept
constexpr global_state_type	operator& (global_state_type lhs, global_state_type rhs) noexcept
constexpr global_state_type	operator~ (global_state_type rhs) noexcept
constexpr bool	to_bool (global_state_type rhs) noexcept
constexpr bool	is_system_running (global_state_type rhs) noexcept
constexpr bool	is_system_shutting_down (global_state_type rhs) noexcept
bool	is_system_running () noexcept
	Check if the HikoGUI system is running.
bool	is_system_shutting_down () noexcept
	Check if the HikoGUI system is being shut down.
void	set_log_level (global_state_type log_level) noexcept
	Set the logging level.
bool	global_state_disable (global_state_type subsystem, std::memory_order order=std::memory_order::seq_cst) noexcept
	Disable a subsystem.
bool	global_state_enable (global_state_type subsystem, std::memory_order order=std::memory_order::seq_cst) noexcept
	Enable a subsystem.
template<typename T > requires (is_atomic_v<T>)
T::value_type	start_subsystem (T &check_variable, typename T::value_type off_value, typename T::value_type(*init_function)(), void(*deinit_function)())
	Start a sub-system.
bool	start_subsystem (global_state_type state_bit, bool(*init_function)(), void(*deinit_function)())
	Start a sub-system.
template<typename T > requires (is_atomic_v<T>)
T::value_type	start_subsystem_or_terminate (T &check_variable, typename T::value_type off_value, typename T::value_type(*init_function)(), void(*deinit_function)())
	Start a sub-system.
void	stop_subsystem (void(*deinit_function)())
	Stop a sub-system.
void	start_system () noexcept
	Start the system.
void	shutdown_system () noexcept
	Shutdown the system.
thread_id	current_thread_id () noexcept
	Get the current thread id.
void	set_thread_name (std::string_view name) noexcept
	Set the name of the current thread.
std::string	get_thread_name (thread_id id) noexcept
	Get the thread name of a thread id.
std::vector< bool >	process_affinity_mask ()
	Get the current process CPU affinity mask.
std::vector< bool >	set_thread_affinity_mask (std::vector< bool > const &mask)
	Set the current thread CPU affinity mask.
std::vector< bool >	set_thread_affinity (std::size_t cpu_id)
	Set the current thread CPU affinity to a single CPU.
std::size_t	advance_thread_affinity (std::size_t &cpu) noexcept
	Advance thread affinity to the next CPU.
std::size_t	current_cpu_id () noexcept
	Get the current CPU id.
template<typename T , typename Op >
void	dsp_visit (std::span< T > r, std::span< T const > a, std::span< T const > b, Op op) noexcept
template<typename T , typename Op >
void	dsp_visit (std::span< T > r, std::span< T const > a, T b, Op op) noexcept
template<typename T , typename Op >
void	dsp_visit (std::span< float > r, float a, Op op) noexcept
void	dsp_add (dsp_argument auto... args) noexcept
void	dsp_sub (dsp-argument auto... args) noexcept
void	dsp_mul (dsp-argument auto... args) noexcept
constexpr access_mode	operator| (access_mode const &lhs, access_mode const &rhs) noexcept
constexpr access_mode	operator& (access_mode const &lhs, access_mode const &rhs) noexcept
constexpr bool	to_bool (access_mode const &rhs) noexcept
generator< std::filesystem::path >	glob (glob_pattern pattern)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	glob (std::string_view pattern)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	glob (std::string pattern)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	glob (char const *pattern)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	glob (std::filesystem::path pattern)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	glob (path_location location, std::filesystem::path ref)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	glob (path_location location, std::string_view ref)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	glob (path_location location, std::string ref)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	glob (path_location location, char const *ref)
	Find paths on the filesystem that match the glob pattern.
generator< std::filesystem::path >	get_paths (path_location location)
	Get a set of paths.
std::optional< std::filesystem::path >	find_path (path_location location, std::filesystem::path const &ref) noexcept
	Find a path.
std::filesystem::path	get_path (path_location location)
	Get the single and only path.
std::span< std::byte const >	otype_cmap_find (std::span< std::byte const > bytes, uint16_t platform_id, uint16_t platform_specific_id)
font_char_map	otype_cmap_parse_map_4 (std::span< std::byte const > over_sized_bytes)
font_char_map	otype_cmap_parse_map_6 (std::span< std::byte const > over_sized_bytes)
font_char_map	otype_cmap_parse_map_12 (std::span< std::byte const > over_sized_bytes)
font_char_map	otype_cmap_parse_map (std::span< std::byte const > bytes)
font_char_map	otype_cmap_parse (std::span< std::byte const > bytes)
auto	otype_head_parse (std::span< std::byte const > bytes)
auto	otype_hhea_parse (std::span< std::byte const > bytes, float em_scale)
auto	otype_hmtx_get (std::span< std::byte const > bytes, hi::glyph_id glyph_id, uint16_t num_horizontal_metrics, float em_scale)
std::optional< float >	otype_kern_sub0_find (size_t &offset, std::span< std::byte const > bytes, glyph_id first_glyph_id, glyph_id second_glyph_id, float em_scale)
vector2	otype_kern_v0_find (std::span< std::byte const > bytes, glyph_id first_glyph_id, glyph_id second_glyph_id, float em_scale)
	'kern' version 0 find.
vector2	otype_kern_v1_find (std::span< std::byte const > bytes, glyph_id first_glyph_id, glyph_id second_glyph_id, float em_scale)
vector2	otype_kern_find (std::span< std::byte const > bytes, glyph_id first_glyph_id, glyph_id second_glyph_id, float em_scale)
std::pair< size_t, size_t >	otype_loca16_get (std::span< std::byte const > bytes, hi::glyph_id glyph_id)
std::pair< size_t, size_t >	otype_loca32_get (std::span< std::byte const > bytes, hi::glyph_id glyph_id)
std::pair< size_t, size_t >	otype_loca_get (std::span< std::byte const > loca_bytes, hi::glyph_id glyph_id, bool loca_is_offset32)
std::span< std::byte const >	otype_loca_get (std::span< std::byte const > loca_bytes, std::span< std::byte const > glyf_bytes, hi::glyph_id glyph_id, bool loca_is_offset32)
auto	otype_maxp_parse (std::span< std::byte const > bytes)
std::optional< std::string >	otype_name_search (std::span< std::byte const > bytes, uint16_t name_id, language_tag language=language_tag{"en"})
	Get a name from the name table.
auto	otype_name_get_family (std::span< std::byte const > bytes)
auto	otype_parse_os2 (std::span< std::byte const > bytes, float em_scale)
template<fixed_string Name>
std::span< std::byte const >	otype_sfnt_search (std::span< std::byte const > bytes)
std::optional< std::string >	otype_get_string (std::span< std::byte const > bytes, uint16_t platform_id, uint16_t platform_specific_id)
constexpr axis	operator& (axis const &lhs, axis const &rhs) noexcept
	AND the axis.
constexpr axis	operator| (axis const &lhs, axis const &rhs) noexcept
	OR the axis.
constexpr bool	to_bool (axis const &rhs) noexcept
	Check if any of the axis are set.
aarectangle	fit (aarectangle const &bounds, aarectangle const &rectangle) noexcept
	Make a rectangle fit inside bounds.
aarectanglei	fit (aarectanglei const &bounds, aarectanglei const &rectangle) noexcept
	Make a rectangle fit inside bounds.
template<>
constexpr aarectanglei	narrow_cast (aarectangle const &rhs) noexcept
template<>
constexpr aarectangle	narrow_cast (aarectanglei const &rhs) noexcept
template<>
constexpr extent2i	narrow_cast (extent2 const &rhs) noexcept
template<>
constexpr extent2	narrow_cast (extent2i const &rhs) noexcept
template<>
constexpr marginsi	narrow_cast (margins const &rhs) noexcept
template<>
constexpr margins	narrow_cast (marginsi const &rhs) noexcept
std::string_view	to_string (gui_event_type rhs) noexcept
	Convert a GUI event type to a string.
constexpr gui_event_type	to_gui_event_type (std::string_view name) noexcept
	Convert a name to a GUI event type.
constexpr gui_event_variant	to_gui_event_variant (gui_event_type type) noexcept
	Convert a gui event type, to an gui event variant.
template<typename T , typename Allocator = std::allocator<std::remove_const_t<T>>>
	pixmap (pixmap_span< T > const &other, Allocator allocator=std::allocator{}) -> pixmap< std::remove_const_t< T > >
template<typename T , typename Allocator >
	pixmap_span (pixmap< T, Allocator > const &other) -> pixmap_span< T const >
template<typename T , typename Allocator >
	pixmap_span (pixmap< T, Allocator > &other) -> pixmap_span< T >
template<std::input_iterator It, std::input_iterator ItEnd>
	lean_vector (It first, ItEnd last) -> lean_vector< typename std::iterator_traits< It >::value_type >
template<size_t LookaheadCount, typename Iterator >
auto	make_lookahead_iterator (Iterator &&it) noexcept
template<typename Functor >
void	process_call (Functor &&functor, std::string_view data)
	Call a function in a new process.
template<fixed_string Literal>
auto	operator""_R ()
template<size_t Index, typename Type >
constexpr decltype(auto)	get_data_member (Type &&rhs) noexcept
template<typename T >
constexpr auto	type_name () noexcept
void	terminate_handler () noexcept
	The HikoGUI terminate handler.
constexpr bool	is_Pattern_White_Space (char32_t c) noexcept
	Check if a character has Pattern_White_Space property.
constexpr bool	is_Pattern_Syntax (char32_t c) noexcept
	Check if a character has Pattern_Syntax property.
constexpr bool	is_Other_ID_Start (char32_t c) noexcept
	Check if a character has Other_ID_Start property.
constexpr bool	is_Other_ID_Continue (char32_t c) noexcept
	Check if a character has Other_ID_Continue property.
constexpr bool	is_ID_Start (char32_t c) noexcept
	Check if this character starts an Annex #31 Identifier.
constexpr bool	is_ID_Continue (char32_t c) noexcept
	Check if this character continues an Annex #31 Identifier.
constexpr bool	bound_check (std::unsigned_integral auto index, std::unsigned_integral auto upper) noexcept
	Check if an unsigned index is less than the bound.
constexpr bool	bound_check (std::integral auto index, std::integral auto lower, std::integral auto upper) noexcept
	Check if an index is between the lower (inclusive) and upper (exclusive).
constexpr bool	bound_check (std::integral auto index, bound_check_range_helper auto &&range) noexcept
	Check if an index is within a range.
constexpr unsigned long long	from_string_literal (std::string_view str)
template<std::integral T>
std::string	to_string (T const &value) noexcept
	Convert integer to string.
template<std::integral T>
T	from_string (std::string_view str, int base=10)
	Convert a string to an integer.
template<std::floating_point T>
T	from_string (std::string_view str)
	Convert a string to an floating point.
template<arithmetic Lhs, arithmetic Rhs>
constexpr auto	three_way_compare (Lhs const &lhs, Rhs const &rhs) noexcept
	Safely compare two arithmetic values to each other.
void	prepare_debug_break () noexcept
	Prepare for breaking in the debugger.
std::string	get_last_error_message () noexcept
	Get the OS error message from the last error received on this thread.
constexpr std::size_t	operator""_uz (unsigned long long lhs) noexcept
constexpr std::size_t	operator""_zu (unsigned long long lhs) noexcept
constexpr std::ptrdiff_t	operator""_z (unsigned long long lhs) noexcept
template<typename T , typename U >
bool	compare_store (T &lhs, U &&rhs) noexcept
	Compare then store if there was a change.
template<typename T , typename U >
bool	compare_store (std::atomic< T > &lhs, U &&rhs) noexcept
	Compare then store if there was a change.
template<class T , class U >
constexpr auto &&	forward_like (U &&x) noexcept
std::wstring	win32_string_to_wstring (std::string_view s)
	Convert a UTF-8 std::string to a win32-API compatible std::wstring.
std::string	win32_wstring_to_string (std::wstring_view s)
	Convert a win32-API compatible std::wstring to a UTF-8 std::string.
std::shared_ptr< button_delegate >	make_default_radio_button_delegate (auto &&value, auto &&on_value) noexcept
	Make a shared pointer to a radio-button delegate.
std::shared_ptr< button_delegate >	make_default_toggle_button_delegate (auto &&value, auto &&...args) noexcept
	Make a shared pointer to a toggle-button delegate.
std::shared_ptr< selection_delegate >	make_default_selection_delegate (auto &&value, auto &&options, auto &&...off_value) noexcept
	Create a shared pointer to a default selection delegate.
std::shared_ptr< tab_delegate >	make_default_tab_delegate (auto &&value) noexcept
	Create a shared pointer to a default tab delegate.
std::shared_ptr< text_delegate >	make_default_text_delegate (auto &&value) noexcept
	Create a shared pointer to a default text delegate.
std::shared_ptr< text_field_delegate >	make_default_text_field_delegate (auto &&value) noexcept
	Create a shared pointer to a default text delegate.
widget *	get_if (widget *start, widget_id id, bool include_invisible) noexcept
widget &	get (widget &start, widget_id id, bool include_invisible)

Variables
constexpr matrix3	Rec2020_to_XYZ = color_primaries_to_RGBtoXYZ(0.3127f, 0.3290f, 0.708f, 0.292f, 0.170f, 0.797f, 0.131f, 0.046f)
	Rec.2020 to XYZ color space conversion matrix.
constexpr matrix3	XYZ_to_Rec2020 = ~Rec2020_to_XYZ
	XYZ to Rec.2020 color space conversion matrix.
constexpr matrix3	Rec2100_to_XYZ = Rec2020_to_XYZ
	Rec.2100 to XYZ color space conversion matrix.
constexpr matrix3	XYZ_to_Rec2100 = XYZ_to_Rec2020
	XYZ to Rec.2100 color space conversion matrix.
constexpr auto	semantic_color_metadata
constexpr matrix3	sRGB_to_XYZ
	Matrix to convert sRGB to XYZ.
constexpr matrix3	XYZ_to_sRGB
	Matrix to convert XYZ to sRGB.
std::atomic< global_state_type >	global_state = global_state_type::log_level_default
	The global state of the hikogui framework.
constexpr std::size_t	maximum_num_cpus = 64
constexpr auto	gui_event_type_metadata
template<lexer_config Config>
constexpr auto	lexer = detail::lexer<Config>()
log	log_global
namspace	v1
template<typename T >
constexpr size_t	number_of_data_members_v = number_of_data_members<T>::value
std::terminate_handler	old_terminate_handler
	The old terminate handler.
std::atomic< char const * >	terminate_message = nullptr
	Message to show when the application is terminated.

Detailed Description

geometry/margins.hpp

The HikoGUI namespace.