#include "common/curve_tools.h"
#include "common/darktable.h"
#include "common/splines.h"
#include "control/conf.h"
#include "develop/develop.h"
#include <cairo.h>
#include <glib.h>
#include <math.h>
#include <stdint.h>
#include <stdlib.h>
#include <gui/gtk.h>

Include dependency graph for draw.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	dt_draw_curve_t

Macros
#define	M_PI 3.141592654

#define	DT_DRAW_SIZE_LINE DT_PIXEL_APPLY_DPI(1.5f)

#define	DT_DRAW_SIZE_LINE_SELECTED DT_PIXEL_APPLY_DPI(3.0f)

#define	DT_DRAW_SIZE_LINE_HIGHLIGHT (DT_PIXEL_APPLY_DPI(4.0f) + DT_DRAW_SIZE_LINE)

#define	DT_DRAW_SIZE_LINE_HIGHLIGHT_SELECTED (DT_PIXEL_APPLY_DPI(5.0f) + DT_DRAW_SIZE_LINE_SELECTED)

#define	DT_DRAW_SIZE_CROSS DT_PIXEL_APPLY_DPI(7.0f)

#define	DT_DRAW_SCALE_DASH DT_PIXEL_APPLY_DPI(12.0f)

#define	DT_DRAW_SCALE_ARROW DT_PIXEL_APPLY_DPI(18.0f)

#define	DT_DRAW_RADIUS_NODE DT_PIXEL_APPLY_DPI(5.0f)

#define	DT_DRAW_RADIUS_NODE_SELECTED (1.5f * DT_DRAW_RADIUS_NODE)

#define	DT_DRAW_SELECTION_RADIUS_NO_UPSCALE(dev) (2.0f * DT_DRAW_RADIUS_NODE / dt_dev_get_zoom_level((dt_develop_t *)dev))

#define	DT_DRAW_SELECTION_RADIUS(dev) (DT_DRAW_SELECTION_RADIUS_NO_UPSCALE((dt_develop_t)dev) darktable.gui->ppd)

#define	DT_DRAW_SELECTION_ROTATION_AREA DT_PIXEL_APPLY_DPI(50.0f)

#define	DT_DRAW_SELECTION_ROTATION_RADIUS(dev) (DT_DRAW_SELECTION_ROTATION_AREA / dt_dev_get_zoom_level((dt_develop_t *)dev))

Typedefs
typedef enum dt_masks_dash_type_t	dt_masks_dash_type_t

typedef struct dt_draw_curve_t	dt_draw_curve_t

typedef void(*	shape_draw_function_t) (cairo_t cr, const float points, const int points_count, const int nb, const gboolean border, const gboolean source)

Enumerations
enum	dt_masks_dash_type_t { DT_MASKS_NO_DASH = 0 , DT_MASKS_DASH_STICK = 1 , DT_MASKS_DASH_ROUND = 2 }

Functions
static void	dt_draw_set_color_overlay (cairo_t *cr, gboolean bright, double alpha)

static void	dt_draw_star (cairo_t *cr, float x, float y, float r1, float r2)

static void	dt_draw_line (cairo_t *cr, float left, float top, float right, float bottom)

static void	dt_draw_grid (cairo_t *cr, const int num, const int left, const int top, const int right, const int bottom)

static float	dt_curve_to_mouse (const float x, const float zoom_factor, const float offset)

static void	dt_draw_grid_zoomed (cairo_t *cr, const int num, const float left, const float top, const float right, const float bottom, const float width, const float height, const float zoom_factor, const float zoom_offset_x, const float zoom_offset_y)

static float	dt_log_scale_axis (const float x, const float base)

static void	dt_draw_loglog_grid (cairo_t *cr, const int num, const int left, const int top, const int right, const int bottom, const float base)

static void	dt_draw_semilog_x_grid (cairo_t *cr, const int num, const int left, const int top, const int right, const int bottom, const float base)

static void	dt_draw_semilog_y_grid (cairo_t *cr, const int num, const int left, const int top, const int right, const int bottom, const float base)

static void	dt_draw_vertical_lines (cairo_t *cr, const int num, const int left, const int top, const int right, const int bottom)

static void	dt_draw_horizontal_lines (cairo_t *cr, const int num, const int left, const int top, const int right, const int bottom)

static dt_draw_curve_t *	dt_draw_curve_new (const float min, const float max, unsigned int type)

static void	dt_draw_curve_destroy (dt_draw_curve_t *c)

static void	dt_draw_curve_set_point (dt_draw_curve_t *c, const int num, const float x, const float y)

static void	dt_draw_curve_smaple_values (dt_draw_curve_t c, const float min, const float max, const int res, float x, float *y)

static void	dt_draw_curve_calc_values (dt_draw_curve_t c, const float min, const float max, const int res, float x, float *y)

static void	dt_draw_curve_calc_values_V2_nonperiodic (dt_draw_curve_t c, const float min, const float max, const int res, float x, float *y)

static void	dt_draw_curve_calc_values_V2_periodic (dt_draw_curve_t c, const float min, const float max, const int res, float x, float *y)

static void	dt_draw_curve_calc_values_V2 (dt_draw_curve_t c, const float min, const float max, const int res, float x, float *y, const gboolean periodic)

static float	dt_draw_curve_calc_value (dt_draw_curve_t *c, const float x)

static int	dt_draw_curve_add_point (dt_draw_curve_t *c, const float x, const float y)

static void	dt_draw_histogram_8_linxliny (cairo_t cr, const uint32_t hist, int32_t channels, int32_t channel)

static void	dt_draw_histogram_8_zoomed (cairo_t cr, const uint32_t hist, int32_t channels, int32_t channel, const float zoom_factor, const float zoom_offset_x, const float zoom_offset_y, gboolean linear)

static void	dt_draw_histogram_8_logxliny (cairo_t cr, const uint32_t hist, int32_t channels, int32_t channel, float base_log)

static void	dt_draw_histogram_8_logxlogy (cairo_t cr, const uint32_t hist, int32_t channels, int32_t channel, float base_log)

static void	dt_draw_histogram_8_linxlogy (cairo_t cr, const uint32_t hist, int32_t channels, int32_t channel)

static void	dt_draw_histogram_8_log_base (cairo_t cr, const uint32_t hist, int32_t channels, int32_t channel, const gboolean linear, float base_log)

static void	dt_draw_histogram_8 (cairo_t cr, const uint32_t hist, int32_t channels, int32_t channel, const gboolean linear)

static void	dt_draw_cairo_to_gdk_pixbuf (uint8_t *data, unsigned int width, unsigned int height)

static void	dt_cairo_perceptual_gradient (cairo_pattern_t *grad, double alpha)

static GdkPixbuf *	dt_draw_paint_to_pixbuf (GtkWidget widget, const guint pixbuf_size, const int flags, void(dtgtk_cairo_paint_fct)(cairo_t cr, gint x, gint y, gint w, gint h, gint flags, void data))

static void	dt_draw_set_dash_style (cairo_t *cr, dt_masks_dash_type_t type, float zoom_scale)

static void	dt_draw_node (cairo_t *cr, const gboolean square, const gboolean point_action, const gboolean selected, const float zoom_scale, const float x, const float y)
	Draw an node point of a mask.

static void	dt_draw_handle (cairo_t *cr, const float pt_x, const float pt_y, const float zoom_scale, const float handle_x, const float handle_y, const gboolean selected)
	Draw & control handle of a point with a tail bet.

static void	dt_draw_shape_lines (const dt_masks_dash_type_t dash_type, const gboolean source, cairo_t cr, const int nb, const gboolean selected, const float zoom_scale, const float points, const int points_count, const shape_draw_function_t *draw_shape_func)
	Draw the lines of a mask shape.

static void	dt_draw_stroke_line (const dt_masks_dash_type_t dash_type, const gboolean source, cairo_t *cr, const gboolean selected, const float zoom_scale)
	Stroke a line with style.

static void	_draw_arrow_head (cairo_t *cr, const float arrow[2], const float arrow_x_a, const float arrow_y_a, const float arrow_x_b, const float arrow_y_b)

static void	_draw_arrow_tail (cairo_t *cr, const float arrow_bud_x, const float arrow_bud_y, const float tail[2], const gboolean draw_tail)

static void	dt_draw_arrow (cairo_t *cr, const float zoom_scale, const gboolean selected, const gboolean draw_tail, const dt_masks_dash_type_t dash_style, const float arrow[2], const float tail[2])
	Draw an arrow with head and, if needed, tail. The length of the arrow head is defined by DT_DRAW_SCALE_ARROW. This is used for the clone mask source indicator.

Macro Definition Documentation

◆ DT_DRAW_RADIUS_NODE

#define DT_DRAW_RADIUS_NODE DT_PIXEL_APPLY_DPI(5.0f)

◆ DT_DRAW_RADIUS_NODE_SELECTED

#define DT_DRAW_RADIUS_NODE_SELECTED (1.5f * DT_DRAW_RADIUS_NODE)

◆ DT_DRAW_SCALE_ARROW

#define DT_DRAW_SCALE_ARROW DT_PIXEL_APPLY_DPI(18.0f)

◆ DT_DRAW_SCALE_DASH

#define DT_DRAW_SCALE_DASH DT_PIXEL_APPLY_DPI(12.0f)

stuff's scale

◆ DT_DRAW_SELECTION_RADIUS

#define DT_DRAW_SELECTION_RADIUS ( dev ) (DT_DRAW_SELECTION_RADIUS_NO_UPSCALE((dt_develop_t*)dev) * darktable.gui->ppd)

◆ DT_DRAW_SELECTION_RADIUS_NO_UPSCALE

#define DT_DRAW_SELECTION_RADIUS_NO_UPSCALE ( dev ) (2.0f * DT_DRAW_RADIUS_NODE / dt_dev_get_zoom_level((dt_develop_t *)dev))

◆ DT_DRAW_SELECTION_ROTATION_AREA

#define DT_DRAW_SELECTION_ROTATION_AREA DT_PIXEL_APPLY_DPI(50.0f)

◆ DT_DRAW_SELECTION_ROTATION_RADIUS

#define DT_DRAW_SELECTION_ROTATION_RADIUS ( dev ) (DT_DRAW_SELECTION_ROTATION_AREA / dt_dev_get_zoom_level((dt_develop_t *)dev))

◆ DT_DRAW_SIZE_CROSS

#define DT_DRAW_SIZE_CROSS DT_PIXEL_APPLY_DPI(7.0f)

◆ DT_DRAW_SIZE_LINE

#define DT_DRAW_SIZE_LINE DT_PIXEL_APPLY_DPI(1.5f)

line sizes for drawing

◆ DT_DRAW_SIZE_LINE_HIGHLIGHT

#define DT_DRAW_SIZE_LINE_HIGHLIGHT (DT_PIXEL_APPLY_DPI(4.0f) + DT_DRAW_SIZE_LINE)

◆ DT_DRAW_SIZE_LINE_HIGHLIGHT_SELECTED

#define DT_DRAW_SIZE_LINE_HIGHLIGHT_SELECTED (DT_PIXEL_APPLY_DPI(5.0f) + DT_DRAW_SIZE_LINE_SELECTED)

◆ DT_DRAW_SIZE_LINE_SELECTED

#define DT_DRAW_SIZE_LINE_SELECTED DT_PIXEL_APPLY_DPI(3.0f)

◆ M_PI

#define M_PI 3.141592654

some common drawing routines.

Typedef Documentation

◆ dt_draw_curve_t

typedef struct dt_draw_curve_t dt_draw_curve_t

wrapper around nikon curve.

◆ dt_masks_dash_type_t

typedef enum dt_masks_dash_type_t dt_masks_dash_type_t

dash type

◆ shape_draw_function_t

typedef void(* shape_draw_function_t) (cairo_t *cr, const float *points, const int points_count, const int nb, const gboolean border, const gboolean source)

Enumeration Type Documentation

◆ dt_masks_dash_type_t

enum dt_masks_dash_type_t

dash type

Enumerator
DT_MASKS_NO_DASH
DT_MASKS_DASH_STICK
DT_MASKS_DASH_ROUND

Function Documentation

◆ _draw_arrow_head()

static void _draw_arrow_head	(	cairo_t *	cr,
		const float	arrow[2],
		const float	arrow_x_a,
		const float	arrow_y_a,
		const float	arrow_x_b,
		const float	arrow_y_b
	)

static

Referenced by dt_draw_arrow().

◆ _draw_arrow_tail()

static void _draw_arrow_tail	(	cairo_t *	cr,
		const float	arrow_bud_x,
		const float	arrow_bud_y,
		const float	tail[2],
		const gboolean	draw_tail
	)

static

References dt_draw_line().

Referenced by dt_draw_arrow().

◆ dt_cairo_perceptual_gradient()

static void dt_cairo_perceptual_gradient	(	cairo_pattern_t *	grad,
		double	alpha
	)

inlinestatic

Referenced by _init_drawing(), and dt_iop_tonecurve_draw().

◆ dt_curve_to_mouse()

static float dt_curve_to_mouse	(	const float	x,
		const float	zoom_factor,
		const float	offset
	)

inlinestatic

Referenced by dt_draw_grid_zoomed().

◆ dt_draw_arrow()

static void dt_draw_arrow	(	cairo_t *	cr,
		const float	zoom_scale,
		const gboolean	selected,
		const gboolean	draw_tail,
		const dt_masks_dash_type_t	dash_style,
		const float	arrow[2],
		const float	tail[2]
	)

inlinestatic

Draw an arrow with head and, if needed, tail. The length of the arrow head is defined by DT_DRAW_SCALE_ARROW. This is used for the clone mask source indicator.

Parameters

cr	the cairo context to draw into
zoom_scale	the current zoom scale of the image
selected	TRUE if the shape needs to be highlighted
draw_tail	TRUE to draw the tail line
dash_style	the dash style to use for the tail line
arrow	the position of the arrow tip
tail	the position of the tail point

References _draw_arrow_head(), _draw_arrow_tail(), DT_DRAW_SCALE_ARROW, dt_draw_set_color_overlay(), dt_draw_set_dash_style(), DT_DRAW_SIZE_LINE, DT_DRAW_SIZE_LINE_HIGHLIGHT, DT_DRAW_SIZE_LINE_HIGHLIGHT_SELECTED, DT_MASKS_NO_DASH, FALSE, and TRUE.

Referenced by dt_masks_draw_source().

◆ dt_draw_cairo_to_gdk_pixbuf()

static void dt_draw_cairo_to_gdk_pixbuf	(	uint8_t *	data,
		unsigned int	width,
		unsigned int	height
	)

inlinestatic

transform a data blob from cairo's premultiplied rgba/bgra to GdkPixbuf's un-premultiplied bgra/rgba

References height, and width.

Referenced by _draw_ellipse(), _draw_rectangle(), _get_pixbuf_from_cairo(), _init_image_pin(), _init_place_pin(), _view_map_images_count(), dt_draw_paint_to_pixbuf(), and tree_insert_presets().

◆ dt_draw_curve_add_point()

static int dt_draw_curve_add_point	(	dt_draw_curve_t *	c,
		const float	x,
		const float	y
	)

inlinestatic

Referenced by _area_draw_callback(), _area_draw_callback(), _generate_curve_lut(), commit_params(), compute_curve_lut(), dt_iop_basecurve_draw(), dt_iop_tonecurve_draw(), gui_init(), gui_init(), and init_pipe().

◆ dt_draw_curve_calc_value()

static float dt_draw_curve_calc_value	(	dt_draw_curve_t *	c,
		const float	x
	)

inlinestatic

References interpolate_set(), interpolate_val(), MAX, and MIN.

Referenced by _area_button_press_callback(), _area_button_press_callback(), area_button_press(), denoiseprofile_button_press(), dt_iop_basecurve_button_press(), dt_iop_tonecurve_button_press(), get_scales(), lowlight_button_press(), process(), and rawdenoise_button_press().

◆ dt_draw_curve_calc_values()

static void dt_draw_curve_calc_values	(	dt_draw_curve_t *	c,
		const float	min,
		const float	max,
		const int	res,
		float *	x,
		float *	y
	)

inlinestatic

References CurveDataSample(), and dt_draw_curve_smaple_values().

Referenced by _area_draw_callback(), _area_draw_callback(), _generate_curve_lut(), area_draw(), commit_params(), commit_params(), compute_curve_lut(), denoiseprofile_draw(), dt_iop_basecurve_draw(), dt_iop_tonecurve_draw(), lowlight_draw(), and rawdenoise_draw().

◆ dt_draw_curve_calc_values_V2()

static void dt_draw_curve_calc_values_V2	(	dt_draw_curve_t *	c,
		const float	min,
		const float	max,
		const int	res,
		float *	x,
		float *	y,
		const gboolean	periodic
	)

inlinestatic

References dt_draw_curve_calc_values_V2_nonperiodic(), and dt_draw_curve_calc_values_V2_periodic().

Referenced by _area_draw_callback(), and commit_params().

◆ dt_draw_curve_calc_values_V2_nonperiodic()

static void dt_draw_curve_calc_values_V2_nonperiodic	(	dt_draw_curve_t *	c,
		const float	min,
		const float	max,
		const int	res,
		float *	x,
		float *	y
	)

inlinestatic

References CurveDataSampleV2(), and dt_draw_curve_smaple_values().

Referenced by dt_draw_curve_calc_values_V2().

◆ dt_draw_curve_calc_values_V2_periodic()

static void dt_draw_curve_calc_values_V2_periodic	(	dt_draw_curve_t *	c,
		const float	min,
		const float	max,
		const int	res,
		float *	x,
		float *	y
	)

inlinestatic

References CurveDataSampleV2Periodic(), and dt_draw_curve_smaple_values().

Referenced by dt_draw_curve_calc_values_V2().

◆ dt_draw_curve_destroy()

static void dt_draw_curve_destroy ( dt_draw_curve_t * c )

inlinestatic

Referenced by _area_draw_callback(), _area_draw_callback(), _generate_curve_lut(), cleanup_pipe(), commit_params(), compute_curve_lut(), dt_iop_basecurve_draw(), dt_iop_tonecurve_draw(), gui_cleanup(), and gui_cleanup().

◆ dt_draw_curve_new()

static dt_draw_curve_t * dt_draw_curve_new	(	const float	min,
		const float	max,
		unsigned int	type
	)

inlinestatic

References type.

Referenced by _area_draw_callback(), _area_draw_callback(), _generate_curve_lut(), commit_params(), compute_curve_lut(), dt_iop_basecurve_draw(), dt_iop_tonecurve_draw(), gui_init(), gui_init(), and init_pipe().

◆ dt_draw_curve_set_point()

static void dt_draw_curve_set_point	(	dt_draw_curve_t *	c,
		const int	num,
		const float	x,
		const float	y
	)

inlinestatic

Referenced by _area_draw_callback(), _area_draw_callback(), _generate_curve_lut(), area_draw(), commit_params(), commit_params(), denoiseprofile_draw(), dt_iop_basecurve_draw(), dt_iop_tonecurve_draw(), lowlight_draw(), and rawdenoise_draw().

◆ dt_draw_curve_smaple_values()

static void dt_draw_curve_smaple_values	(	dt_draw_curve_t *	c,
		const float	min,
		const float	max,
		const int	res,
		float *	x,
		float *	y
	)

inlinestatic

Referenced by dt_draw_curve_calc_values(), dt_draw_curve_calc_values_V2_nonperiodic(), and dt_draw_curve_calc_values_V2_periodic().

◆ dt_draw_grid()

static void dt_draw_grid	(	cairo_t *	cr,
		const int	num,
		const int	left,
		const int	top,
		const int	right,
		const int	bottom
	)

inlinestatic

References dt_draw_line(), height, and width.

Referenced by _process_histogram(), _process_waveform(), area_draw(), area_draw(), denoiseprofile_draw(), dt_iop_basecurve_draw(), dt_iop_tonecurve_draw(), dt_iop_tonecurve_draw(), dt_iop_tonecurve_draw(), lowlight_draw(), and rawdenoise_draw().

◆ dt_draw_grid_zoomed()

static void dt_draw_grid_zoomed	(	cairo_t *	cr,
		const int	num,
		const float	left,
		const float	top,
		const float	right,
		const float	bottom,
		const float	width,
		const float	height,
		const float	zoom_factor,
		const float	zoom_offset_x,
		const float	zoom_offset_y
	)

inlinestatic

References dt_curve_to_mouse(), dt_draw_line(), height, and width.

Referenced by _area_draw_callback().

◆ dt_draw_handle()

static void dt_draw_handle	(	cairo_t *	cr,
		const float	pt_x,
		const float	pt_y,
		const float	zoom_scale,
		const float	handle_x,
		const float	handle_y,
		const gboolean	selected
	)

inlinestatic

Draw & control handle of a point with a tail bet.

Parameters

cr	the cairo context to draw into
pt_x	the x position of the node point
pt_y	the y position of the node point
zoom_scale	the current zoom scale of the image
handle_x	the x position of the handle point
handle_y	the y position of the handle point
node_index	the index of the node being edited (-1 if none)
handle_index	the index of the handle being edited (-1 if none)
handle_dragging	the index of the handle being dragged (-1 if none)

References DT_DRAW_RADIUS_NODE, DT_DRAW_RADIUS_NODE_SELECTED, dt_draw_set_color_overlay(), DT_DRAW_SIZE_LINE, DT_DRAW_SIZE_LINE_HIGHLIGHT, DT_DRAW_SIZE_LINE_HIGHLIGHT_SELECTED, FALSE, M_PI, and TRUE.

Referenced by _brush_events_post_expose(), and _polygon_events_post_expose().

◆ dt_draw_histogram_8()

static void dt_draw_histogram_8	(	cairo_t *	cr,
		const uint32_t *	hist,
		int32_t	channels,
		int32_t	channel,
		const gboolean	linear
	)

inlinestatic

References dt_draw_histogram_8_linxliny(), dt_draw_histogram_8_linxlogy(), and linear.

Referenced by _area_draw_callback(), _process_histogram(), dt_iop_levels_area_draw(), and dt_iop_tonecurve_draw().

◆ dt_draw_histogram_8_linxliny()

static void dt_draw_histogram_8_linxliny	(	cairo_t *	cr,
		const uint32_t *	hist,
		int32_t	channels,
		int32_t	channel
	)

inlinestatic

Referenced by dt_draw_histogram_8().

◆ dt_draw_histogram_8_linxlogy()

static void dt_draw_histogram_8_linxlogy	(	cairo_t *	cr,
		const uint32_t *	hist,
		int32_t	channels,
		int32_t	channel
	)

inlinestatic

Referenced by dt_draw_histogram_8().

◆ dt_draw_histogram_8_log_base()

static void dt_draw_histogram_8_log_base	(	cairo_t *	cr,
		const uint32_t *	hist,
		int32_t	channels,
		int32_t	channel,
		const gboolean	linear,
		float	base_log
	)

inlinestatic

References dt_draw_histogram_8_logxliny(), dt_draw_histogram_8_logxlogy(), and linear.

Referenced by dt_iop_tonecurve_draw().

◆ dt_draw_histogram_8_logxliny()

static void dt_draw_histogram_8_logxliny	(	cairo_t *	cr,
		const uint32_t *	hist,
		int32_t	channels,
		int32_t	channel,
		float	base_log
	)

inlinestatic

Referenced by dt_draw_histogram_8_log_base().

◆ dt_draw_histogram_8_logxlogy()

static void dt_draw_histogram_8_logxlogy	(	cairo_t *	cr,
		const uint32_t *	hist,
		int32_t	channels,
		int32_t	channel,
		float	base_log
	)

inlinestatic

Referenced by dt_draw_histogram_8_log_base().

◆ dt_draw_histogram_8_zoomed()

static void dt_draw_histogram_8_zoomed	(	cairo_t *	cr,
		const uint32_t *	hist,
		int32_t	channels,
		int32_t	channel,
		const float	zoom_factor,
		const float	zoom_offset_x,
		const float	zoom_offset_y,
		gboolean	linear
	)

inlinestatic

References linear.

Referenced by _area_draw_callback(), and _area_draw_callback().

◆ dt_draw_horizontal_lines()

static void dt_draw_horizontal_lines	(	cairo_t *	cr,
		const int	num,
		const int	left,
		const int	top,
		const int	right,
		const int	bottom
	)

inlinestatic

References height.

Referenced by dt_guides_draw_grid().

◆ dt_draw_line()

static void dt_draw_line	(	cairo_t *	cr,
		float	left,
		float	top,
		float	right,
		float	bottom
	)

inlinestatic

Referenced by _draw_arrow_tail(), _draw_line(), dt_draw_grid(), dt_draw_grid_zoomed(), dt_draw_loglog_grid(), dt_draw_semilog_x_grid(), dt_draw_semilog_y_grid(), dt_guides_draw_diagonal_method(), dt_guides_draw_golden_mean(), dt_guides_draw_harmonious_triangles(), dt_guides_draw_metering(), dt_guides_draw_perspective(), and dt_guides_draw_rules_of_thirds().

◆ dt_draw_loglog_grid()

static void dt_draw_loglog_grid	(	cairo_t *	cr,
		const int	num,
		const int	left,
		const int	top,
		const int	right,
		const int	bottom,
		const float	base
	)

inlinestatic

References dt_draw_line(), dt_log_scale_axis(), height, and width.

Referenced by dt_iop_basecurve_draw(), dt_iop_tonecurve_draw(), and dt_iop_tonecurve_draw().

◆ dt_draw_node()

static void dt_draw_node	(	cairo_t *	cr,
		const gboolean	square,
		const gboolean	point_action,
		const gboolean	selected,
		const float	zoom_scale,
		const float	x,
		const float	y
	)

inlinestatic

Draw an node point of a mask.

Parameters

cr	the cairo context to draw into
square	TRUE to draw a square node, FALSE to draw a round node
point_action	TRUE if the point is selected or dragged
selected	TRUE if the shape is selected
zoom_scale	the current zoom scale of the image
x	the center x position of the anchor
y	the center y position of the anchor

References DT_DRAW_RADIUS_NODE, dt_draw_set_color_overlay(), DT_DRAW_SIZE_LINE, DT_DRAW_SIZE_LINE_SELECTED, FALSE, and TRUE.

Referenced by _brush_events_post_expose(), _ellipse_draw_node(), _ellipse_events_post_expose(), _gradient_draw_arrow(), and _polygon_events_post_expose().

◆ dt_draw_paint_to_pixbuf()

static GdkPixbuf * dt_draw_paint_to_pixbuf	(	GtkWidget *	widget,
		const guint	pixbuf_size,
		const int	flags,
		void()(cairo_t cr, gint x, gint y, gint w, gint h, gint flags, void *data)	dtgtk_cairo_paint_fct
	)

inlinestatic

References dt_draw_cairo_to_gdk_pixbuf(), DT_PIXEL_APPLY_DPI, flags, size, and TRUE.

Referenced by _gui_styles_dialog_run(), and dt_gui_hist_dialog_new().

◆ dt_draw_semilog_x_grid()

static void dt_draw_semilog_x_grid	(	cairo_t *	cr,
		const int	num,
		const int	left,
		const int	top,
		const int	right,
		const int	bottom,
		const float	base
	)

inlinestatic

References dt_draw_line(), dt_log_scale_axis(), height, and width.

Referenced by dt_iop_tonecurve_draw().

◆ dt_draw_semilog_y_grid()

static void dt_draw_semilog_y_grid	(	cairo_t *	cr,
		const int	num,
		const int	left,
		const int	top,
		const int	right,
		const int	bottom,
		const float	base
	)

inlinestatic

References dt_draw_line(), dt_log_scale_axis(), height, and width.

Referenced by dt_iop_tonecurve_draw().

◆ dt_draw_set_color_overlay()

static void dt_draw_set_color_overlay	(	cairo_t *	cr,
		gboolean	bright,
		double	alpha
	)

inlinestatic

set color based on gui overlay preference

References darktable, darktable_t::gui, dt_gui_gtk_t::overlay_blue, dt_gui_gtk_t::overlay_contrast, dt_gui_gtk_t::overlay_green, and dt_gui_gtk_t::overlay_red.

Referenced by _draw_sym(), _gradient_draw_arrow(), dt_draw_arrow(), dt_draw_handle(), dt_draw_node(), dt_draw_shape_lines(), dt_guides_draw(), dt_guides_draw_grid(), dt_masks_draw_clone_source_pos(), dt_masks_draw_source(), gui_draw_sym(), gui_post_expose(), and gui_post_expose().

◆ dt_draw_set_dash_style()

static void dt_draw_set_dash_style	(	cairo_t *	cr,
		dt_masks_dash_type_t	type,
		float	zoom_scale
	)

inlinestatic

References DT_DRAW_SCALE_DASH, DT_MASKS_DASH_ROUND, DT_MASKS_DASH_STICK, DT_MASKS_NO_DASH, and type.

Referenced by _brush_events_post_expose(), dt_draw_arrow(), dt_draw_shape_lines(), dt_masks_draw_clone_source_pos(), and dt_masks_draw_source().

◆ dt_draw_shape_lines()

static void dt_draw_shape_lines	(	const dt_masks_dash_type_t	dash_type,
		const gboolean	source,
		cairo_t *	cr,
		const int	nb,
		const gboolean	selected,
		const float	zoom_scale,
		const float *	points,
		const int	points_count,
		const shape_draw_function_t *	draw_shape_func
	)

inlinestatic

Draw the lines of a mask shape.

Parameters

dash_type	the dash type to use
source	TRUE if we draw the source shape (clone mask)
cr	the cairo context to draw into
nb	the number of coord by node
selected	TRUE if the shape is selected
zoom_scale	the current zoom scale of the image
points	the points of the shape to draw
points_count	the number of points in the shape
functions	the functions table of the shape

References dt_draw_set_color_overlay(), dt_draw_set_dash_style(), DT_DRAW_SIZE_LINE, DT_DRAW_SIZE_LINE_HIGHLIGHT, DT_DRAW_SIZE_LINE_HIGHLIGHT_SELECTED, DT_DRAW_SIZE_LINE_SELECTED, DT_MASKS_NO_DASH, FALSE, and TRUE.

Referenced by _brush_events_post_expose(), _circle_events_post_expose(), _ellipse_events_post_expose(), _gradient_events_post_expose(), _polygon_events_post_expose(), and dt_draw_stroke_line().

◆ dt_draw_star()

static void dt_draw_star	(	cairo_t *	cr,
		float	x,
		float	y,
		float	r1,
		float	r2
	)

inlinestatic

draws a rating star

References M_PI.

Referenced by dtgtk_cairo_paint_overlays(), dtgtk_cairo_paint_star(), and dtgtk_cairo_paint_unratestar().

◆ dt_draw_stroke_line()

static void dt_draw_stroke_line	(	const dt_masks_dash_type_t	dash_type,
		const gboolean	source,
		cairo_t *	cr,
		const gboolean	selected,
		const float	zoom_scale
	)

inlinestatic

Stroke a line with style.

Parameters

dash_type	the dash type to use
source	TRUE if we draw the source shape (clone mask)
cr	the cairo context to draw into
selected	TRUE if the shape is selected
zoom_scale	the current zoom scale of the image

References dt_draw_shape_lines().

Referenced by _brush_events_post_expose(), _gradient_draw_arrow(), and _polygon_events_post_expose().

◆ dt_draw_vertical_lines()

static void dt_draw_vertical_lines	(	cairo_t *	cr,
		const int	num,
		const int	left,
		const int	top,
		const int	right,
		const int	bottom
	)

inlinestatic

References width.

Referenced by _area_draw_callback(), dt_guides_draw_grid(), and dt_iop_levels_area_draw().

◆ dt_log_scale_axis()

static float dt_log_scale_axis	(	const float	x,
		const float	base
	)

inlinestatic

Referenced by dt_draw_loglog_grid(), dt_draw_semilog_x_grid(), dt_draw_semilog_y_grid(), and dt_iop_tonecurve_draw().

Data Structures

Macros

Typedefs

Enumerations

Functions

Macro Definition Documentation

◆ DT_DRAW_RADIUS_NODE

◆ DT_DRAW_RADIUS_NODE_SELECTED

◆ DT_DRAW_SCALE_ARROW

◆ DT_DRAW_SCALE_DASH

◆ DT_DRAW_SELECTION_RADIUS

◆ DT_DRAW_SELECTION_RADIUS_NO_UPSCALE

◆ DT_DRAW_SELECTION_ROTATION_AREA

◆ DT_DRAW_SELECTION_ROTATION_RADIUS

◆ DT_DRAW_SIZE_CROSS

◆ DT_DRAW_SIZE_LINE

◆ DT_DRAW_SIZE_LINE_HIGHLIGHT

◆ DT_DRAW_SIZE_LINE_HIGHLIGHT_SELECTED

◆ DT_DRAW_SIZE_LINE_SELECTED

◆ M_PI

Typedef Documentation

◆ dt_draw_curve_t

◆ dt_masks_dash_type_t

◆ shape_draw_function_t

Enumeration Type Documentation

◆ dt_masks_dash_type_t

Function Documentation

◆ _draw_arrow_head()

◆ _draw_arrow_tail()

◆ dt_cairo_perceptual_gradient()

◆ dt_curve_to_mouse()

◆ dt_draw_arrow()

◆ dt_draw_cairo_to_gdk_pixbuf()

◆ dt_draw_curve_add_point()

◆ dt_draw_curve_calc_value()

◆ dt_draw_curve_calc_values()

◆ dt_draw_curve_calc_values_V2()

◆ dt_draw_curve_calc_values_V2_nonperiodic()

◆ dt_draw_curve_calc_values_V2_periodic()

◆ dt_draw_curve_destroy()

◆ dt_draw_curve_new()

◆ dt_draw_curve_set_point()

◆ dt_draw_curve_smaple_values()

◆ dt_draw_grid()

◆ dt_draw_grid_zoomed()

◆ dt_draw_handle()

◆ dt_draw_histogram_8()

◆ dt_draw_histogram_8_linxliny()

◆ dt_draw_histogram_8_linxlogy()

◆ dt_draw_histogram_8_log_base()

◆ dt_draw_histogram_8_logxliny()

◆ dt_draw_histogram_8_logxlogy()

◆ dt_draw_histogram_8_zoomed()

◆ dt_draw_horizontal_lines()

◆ dt_draw_line()

◆ dt_draw_loglog_grid()

◆ dt_draw_node()

◆ dt_draw_paint_to_pixbuf()

◆ dt_draw_semilog_x_grid()

◆ dt_draw_semilog_y_grid()

◆ dt_draw_set_color_overlay()

◆ dt_draw_set_dash_style()

◆ dt_draw_shape_lines()

◆ dt_draw_star()

◆ dt_draw_stroke_line()

◆ dt_draw_vertical_lines()

◆ dt_log_scale_axis()