#include <hikogui/GUI/widget_draw_context.hpp>

Public Member Functions
	widget_draw_context (widget_draw_context const &rhs) noexcept=default

	widget_draw_context (widget_draw_context &&rhs) noexcept=default

widget_draw_context &	operator= (widget_draw_context const &rhs) noexcept=default

widget_draw_context &	operator= (widget_draw_context &&rhs) noexcept=default

	widget_draw_context (gfx_draw_context const &gfx_context) noexcept

void	draw_box (widget_layout const &layout, quad const &box, draw_attributes const &attributes) const noexcept
	Draw a box.

template<draw_quad_shape Shape, draw_attribute... Attributes>
void	draw_box (widget_layout const &layout, Shape const &shape, Attributes const &...attributes) const noexcept
	Draw a box.

void	draw_line (widget_layout const &layout, line_segment const &line, draw_attributes const &attributes) const noexcept
	Draw a line.

template<draw_attribute... Attributes>
void	draw_line (widget_layout const &layout, line_segment const &line, Attributes const &...attributes) const noexcept
	Draw a line.

void	draw_circle (widget_layout const &layout, hi::circle const &circle, draw_attributes const &attributes) const noexcept
	Draw a circle.

template<draw_attribute... Attributes>
void	draw_circle (widget_layout const &layout, hi::circle const &circle, Attributes const &...attributes) const noexcept
	Draw a circle.

bool	draw_image (widget_layout const &layout, quad const &box, paged_image &image, draw_attributes const &attributes) const noexcept
	Draw an image.

template<draw_attribute... Attributes>
bool	draw_image (widget_layout const &layout, draw_quad_shape auto const &box, paged_image &image, Attributes const &...attributes) const noexcept
	Draw an image.

void	draw_glyph (widget_layout const &layout, quad const &box, hi::font const &font, glyph_id glyph, draw_attributes const &attributes) const noexcept
	Draw a glyph.

template<draw_quad_shape Shape, draw_attribute... Attributes>
void	draw_glyph (widget_layout const &layout, Shape const &box, hi::font const &font, glyph_id glyph, Attributes const &...attributes) const noexcept
	Draw a glyph.

void	draw_glyph (widget_layout const &layout, quad const &box, font_book::font_glyph_type font_glyph, draw_attributes const &attributes) const noexcept
	Draw a glyph.

template<draw_quad_shape Shape, draw_attribute... Attributes>
void	draw_glyph (widget_layout const &layout, Shape const &box, font_book::font_glyph_type font_glyph, Attributes const &...attributes) const noexcept
	Draw a glyph.

void	draw_text (widget_layout const &layout, matrix3 const &transform, text_shaper const &text, draw_attributes const &attributes) const noexcept
	Draw shaped text.

template<draw_attribute... Attributes>
void	draw_text (widget_layout const &layout, matrix3 const &transform, text_shaper const &text, Attributes const &...attributes) const noexcept
	Draw shaped text.

template<draw_attribute... Attributes>
void	draw_text (widget_layout const &layout, text_shaper const &text, Attributes const &...attributes) const noexcept
	Draw shaped text.

void	draw_text_selection (widget_layout const &layout, text_shaper const &text, text_selection const &selection, draw_attributes const &attributes) const noexcept
	Draw text-selection of shaped text.

template<draw_attribute... Attributes>
void	draw_text_selection (widget_layout const &layout, text_shaper const &text, text_selection const &selection, Attributes const &...attributes) const noexcept
	Draw text-selection of shaped text.

void	draw_text_cursors (widget_layout const &layout, text_shaper const &text, text_cursor cursor, bool overwrite_mode, bool dead_character_mode, draw_attributes const &attributes) const noexcept
	Draw text cursors of shaped text.

template<draw_attribute... Attributes>
void	draw_text_cursors (widget_layout const &layout, text_shaper const &text, text_cursor cursor, bool overwrite_mode, bool dead_character_mode, Attributes const &...attributes) const noexcept
	Draw text cursors of shaped text.

void	draw_hole (widget_layout const &layout, quad const &box, draw_attributes const &attributes) const noexcept
	Make a hole in the user interface.

template<draw_quad_shape Shape, draw_attribute... Attributes>
void	draw_hole (widget_layout const &layout, Shape const &box, Attributes const &...attributes) const noexcept
	Make a hole in the user interface.

Data Fields
gfx_draw_context	gfx_context

utc_nanoseconds	display_time_point
	The time when the drawing will appear on the screen.

Friends
bool	overlaps (widget_draw_context const &context, widget_layout const &layout) noexcept
	Checks if a widget's layout overlaps with the part of the window that is being drawn.

Detailed Description

Draw context for drawing using the HikoGUI shaders.

Member Function Documentation

◆ draw_box() [1/2]

void hi::v1::widget_draw_context::draw_box	(	widget_layout const &	layout,
		quad const &	box,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw a box.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
box	The four points of the box to draw.
attributes	The drawing attributes to use.

◆ draw_box() [2/2]

template<draw_quad_shape Shape, draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_box	(	widget_layout const &	layout,
		Shape const &	shape,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw a box.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
shape	The shape of the box.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_circle() [1/2]

template<draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_circle	(	widget_layout const &	layout,
		hi::circle const &	circle,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw a circle.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
circle	The circle to draw.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_circle() [2/2]

void hi::v1::widget_draw_context::draw_circle	(	widget_layout const &	layout,
		hi::circle const &	circle,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw a circle.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
circle	The circle to draw.
attributes	The drawing attributes to use.

◆ draw_glyph() [1/4]

void hi::v1::widget_draw_context::draw_glyph	(	widget_layout const &	layout,
		quad const &	box,
		font_book::font_glyph_type	font_glyph,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw a glyph.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
box	The size and position of the glyph.
glyph	The glyphs to draw.
attributes	The drawing attributes to use.

◆ draw_glyph() [2/4]

void hi::v1::widget_draw_context::draw_glyph	(	widget_layout const &	layout,
		quad const &	box,
		hi::font const &	font,
		glyph_id	glyph,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw a glyph.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
box	The size and position of the glyph.
glyph	The glyphs to draw.
attributes	The drawing attributes to use.

◆ draw_glyph() [3/4]

template<draw_quad_shape Shape, draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_glyph	(	widget_layout const &	layout,
		Shape const &	box,
		font_book::font_glyph_type	font_glyph,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw a glyph.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
box	The size and position of the glyph.
glyph	The glyphs to draw.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_glyph() [4/4]

template<draw_quad_shape Shape, draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_glyph	(	widget_layout const &	layout,
		Shape const &	box,
		hi::font const &	font,
		glyph_id	glyph,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw a glyph.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
box	The size and position of the glyph.
glyph	The glyphs to draw.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_hole() [1/2]

void hi::v1::widget_draw_context::draw_hole	(	widget_layout const &	layout,
		quad const &	box,
		draw_attributes const &	attributes ) const

inlinenoexcept

Make a hole in the user interface.

This function makes a hole in the user-interface so that fragments written in the swap-chain before the GUI is drawn will be visible.

Parameters

layout	The layout of the widget.
box	The box in local coordinates of the widget.
attributes	The drawing attributes to use.

◆ draw_hole() [2/2]

template<draw_quad_shape Shape, draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_hole	(	widget_layout const &	layout,
		Shape const &	box,
		Attributes const &...	attributes ) const

inlinenoexcept

Make a hole in the user interface.

This function makes a hole in the user-interface so that fragments written in the swap-chain before the GUI is drawn will be visible.

Parameters

layout	The layout of the widget.
box	The box in local coordinates of the widget.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_image() [1/2]

template<draw_attribute... Attributes>

bool hi::v1::widget_draw_context::draw_image	(	widget_layout const &	layout,
		draw_quad_shape auto const &	box,
		paged_image &	image,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw an image.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
box	The four points of the box to draw.
image	The image to show.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

Returns: True when the image was drawn, false if the image is not ready yet. Widgets may want to request a redraw if the image is not ready.

◆ draw_image() [2/2]

bool hi::v1::widget_draw_context::draw_image	(	widget_layout const &	layout,
		quad const &	box,
		paged_image &	image,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw an image.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
box	The four points of the box to draw.
image	The image to show.
attributes	The drawing attributes to use.

Returns: True when the image was drawn, false if the image is not ready yet. Widgets may want to request a redraw if the image is not ready.

◆ draw_line() [1/2]

template<draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_line	(	widget_layout const &	layout,
		line_segment const &	line,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw a line.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
line	The line segment to draw.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_line() [2/2]

void hi::v1::widget_draw_context::draw_line	(	widget_layout const &	layout,
		line_segment const &	line,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw a line.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
line	The line segment to draw.
attributes	The drawing attributes to use.

◆ draw_text() [1/3]

template<draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_text	(	widget_layout const &	layout,
		matrix3 const &	transform,
		text_shaper const &	text,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw shaped text.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
transform	How to transform the shaped text relative to layout.
text	The shaped text to draw.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_text() [2/3]

void hi::v1::widget_draw_context::draw_text	(	widget_layout const &	layout,
		matrix3 const &	transform,
		text_shaper const &	text,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw shaped text.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
transform	How to transform the shaped text relative to layout.
text	The shaped text to draw.
attributes	The drawing attributes to use.

◆ draw_text() [3/3]

template<draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_text	(	widget_layout const &	layout,
		text_shaper const &	text,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw shaped text.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
text	The shaped text to draw.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_text_cursors() [1/2]

template<draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_text_cursors	(	widget_layout const &	layout,
		text_shaper const &	text,
		text_cursor	cursor,
		bool	overwrite_mode,
		bool	dead_character_mode,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw text cursors of shaped text.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
text	The shaped text to draw.
cursor	The position of the cursor.
overwrite_mode	If true draw overwrite mode cursor; if false draw insertion mode cursors,
dead_character_mode	If true draw the dead-character cursor. The dead_character_mode overrides all other cursors.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_text_cursors() [2/2]

void hi::v1::widget_draw_context::draw_text_cursors	(	widget_layout const &	layout,
		text_shaper const &	text,
		text_cursor	cursor,
		bool	overwrite_mode,
		bool	dead_character_mode,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw text cursors of shaped text.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
text	The shaped text to draw.
cursor	The position of the cursor.
overwrite_mode	If true draw overwrite mode cursor; if false draw insertion mode cursors,
dead_character_mode	If true draw the dead-character cursor. The dead_character_mode overrides all other cursors.
attributes	The drawing attributes to use.

◆ draw_text_selection() [1/2]

template<draw_attribute... Attributes>

void hi::v1::widget_draw_context::draw_text_selection	(	widget_layout const &	layout,
		text_shaper const &	text,
		text_selection const &	selection,
		Attributes const &...	attributes ) const

inlinenoexcept

Draw text-selection of shaped text.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
text	The shaped text to draw.
selection	The text selection.
attributes	The drawing attributes to use, see: `draw_attributes::draw_attributes()`.

◆ draw_text_selection() [2/2]

void hi::v1::widget_draw_context::draw_text_selection	(	widget_layout const &	layout,
		text_shaper const &	text,
		text_selection const &	selection,
		draw_attributes const &	attributes ) const

inlinenoexcept

Draw text-selection of shaped text.

Parameters

layout	The layout to use, specifically the to_window transformation matrix and the clipping rectangle.
text	The shaped text to draw.
selection	The text selection.
attributes	The drawing attributes to use.

Friends And Related Symbol Documentation

◆ overlaps

bool overlaps	(	widget_draw_context const &	context,
		widget_layout const &	layout )

friend

Checks if a widget's layout overlaps with the part of the window that is being drawn.

Parameters

context	The draw context which contains the scissor rectangle.
layout	The layout of a widget which contains the rectangle where the widget is located on the window

Returns: True if the widget needs to draw into the context.

Field Documentation

◆ display_time_point

utc_nanoseconds hi::v1::widget_draw_context::display_time_point

The time when the drawing will appear on the screen.

The documentation for this class was generated from the following file:

hikogui/src/hikogui/GUI/widget_draw_context.hpp

Public Member Functions

Data Fields

Friends

Detailed Description

Member Function Documentation

◆ draw_box() [1/2]

◆ draw_box() [2/2]

◆ draw_circle() [1/2]

◆ draw_circle() [2/2]

◆ draw_glyph() [1/4]

◆ draw_glyph() [2/4]

◆ draw_glyph() [3/4]

◆ draw_glyph() [4/4]

◆ draw_hole() [1/2]

◆ draw_hole() [2/2]

◆ draw_image() [1/2]

◆ draw_image() [2/2]

◆ draw_line() [1/2]

◆ draw_line() [2/2]

◆ draw_text() [1/3]

◆ draw_text() [2/3]

◆ draw_text() [3/3]

◆ draw_text_cursors() [1/2]

◆ draw_text_cursors() [2/2]

◆ draw_text_selection() [1/2]

◆ draw_text_selection() [2/2]

Friends And Related Symbol Documentation

◆ overlaps

Field Documentation

◆ display_time_point