AgsAutomationArea: Advanced Gtk+ Sequencer Application Reference Manual

AgsAutomationArea

AgsAutomationArea — area automations

Functions

GList *	ags_automation_area_find_specifier ()
GList *	ags_automation_area_find_position ()
void	ags_automation_area_draw_strip ()
void	ags_automation_area_draw_segment ()
void	ags_automation_area_draw_scale ()
void	ags_automation_area_draw_automation ()
void	ags_automation_area_draw_surface ()
void	ags_automation_area_paint ()
AgsAutomationArea *	ags_automation_area_new ()

Properties

AgsAudio *	audio	Read / Write
GType *	channel-type	Read / Write
gchar *	control-name	Read / Write
gchar *	control-specifier	Read / Write
GtkDrawingArea *	drawing-area	Read / Write
gchar *	effect	Read / Write
gchar *	filename	Read / Write
guint	height	Read
guint	y	Read

Types and Values

#define	AGS_AUTOMATION_AREA_DEFAULT_HEIGHT
#define	AGS_AUTOMATION_AREA_DEFAULT_PRECISION

Object Hierarchy

    GObject
    ╰── AgsAutomationArea

Includes

#include <ags/X/areaor/ags_automation_area.h>

Description

The AgsAutomationArea lets you paint automations.

Functions

ags_automation_area_find_specifier ()

GList *
ags_automation_area_find_specifier (GList *automation_area,
                                    gchar *specifier);

Finds matching specifier within automation_area GList containing AgsAutomationArea.

Parameters

automation_area	the GList containing AgsAutomationArea
specifier	the string specifier to match

Returns

the matching GList

Since: 0.7.2

ags_automation_area_find_position ()

GList *
ags_automation_area_find_position (GList *automation_area,
                                   guint x,
                                   guint y);

Finds the given position on the drawing area.

Parameters

automation_area	the GList containing AgsAutomationArea
x	x position
y	y position

Returns

the matching GList

Since: 0.7.64

ags_automation_area_draw_strip ()

void
ags_automation_area_draw_strip (AgsAutomationArea *automation_area,
                                cairo_t *cr,
                                gdouble x_offset,
                                gdouble y_offset);

Plot data.

Parameters

automation_area	the AgsAutomationArea
cr	the cairo_t surface
x_offset	x position given by GtkHScrollbar
y_offset	y position given by GtkVScrollbar

Since: 0.4.3

ags_automation_area_draw_segment ()

void
ags_automation_area_draw_segment (AgsAutomationArea *automation_area,
                                  cairo_t *cr,
                                  gdouble x_offset,
                                  gdouble y_offset);

Draws horizontal and vertical lines.

Parameters

automation_area	the AgsAutomationArea
cr	the cairo_t surface
x_offset	x position given by GtkHScrollbar
y_offset	y position given by GtkVScrollbar

Since: 0.4.3

ags_automation_area_draw_scale ()

void
ags_automation_area_draw_scale (AgsAutomationArea *automation_area,
                                cairo_t *cr,
                                gdouble x_offset,
                                gdouble y_offset);

Draw a scale and its boundaries.

Parameters

automation_area	the AgsAutomationArea
cr	the cairo_t surface
x_offset	x position given by GtkHScrollbar
y_offset	y position given by GtkVScrollbar

Since: 0.4.3

ags_automation_area_draw_automation ()

void
ags_automation_area_draw_automation (AgsAutomationArea *automation_area,
                                     cairo_t *cr,
                                     gdouble x_offset,
                                     gdouble y_offset);

Draw the AgsAutomation of selected AgsMachine on automation_edit .

Parameters

automation_area	a AgsAutomationArea
cr	the cairo_t surface
x_offset	x position given by GtkHScrollbar
y_offset	y position given by GtkVScrollbar

Since: 0.4.3

ags_automation_area_draw_surface ()

void
ags_automation_area_draw_surface (AgsAutomationArea *automation_area,
                                  cairo_t *cr,
                                  gdouble x_offset,
                                  gdouble y_offset,
                                  gdouble x0,
                                  gdouble y0,
                                  gdouble x1,
                                  gdouble y1,
                                  guint steps);

Draw a portion of data.

Parameters

automation_area	the AgsAutomationArea
cr	the cairo_t surface
x_offset	x position given by GtkHScrollbar
y_offset	y position given by GtkVScrollbar
x0	x offset
y0	y offset
x1	x offset
y1	y offset
steps	precision range

Since: 0.4.3

ags_automation_area_paint ()

void
ags_automation_area_paint (AgsAutomationArea *automation_area,
                           cairo_t *cr,
                           gdouble x_offset,
                           gdouble y_offset);

ags_automation_area_new ()

AgsAutomationArea *
ags_automation_area_new (GtkDrawingArea *drawing_area,
                         AgsAudio *audio,
                         GType channel_type,
                         gchar *control_name);

Create a new AgsAutomationArea.

Parameters

drawing_area	the assigned drawing area
audio	the assigned AgsAudio
channel_type	the channel type
control_name	the control_name

Returns

a new AgsAutomationArea

Since: 0.4.3

Types and Values

AGS_AUTOMATION_AREA_DEFAULT_HEIGHT

#define AGS_AUTOMATION_AREA_DEFAULT_HEIGHT (128)

AGS_AUTOMATION_AREA_DEFAULT_PRECISION

#define AGS_AUTOMATION_AREA_DEFAULT_PRECISION (8)

Property Details

The `“audio”` property

  “audio”                    AgsAudio *

The AgsAudio to visualize.

Flags: Read / Write

Since: 0.7.74

The `“channel-type”` property

  “channel-type”             GType *

The target channel.

Flags: Read / Write

Allowed values: void

Since: 0.7.74

The `“control-name”` property

  “control-name”             gchar *

The control name to display.

Flags: Read / Write

Default value: NULL

The `“control-specifier”` property

  “control-specifier”        gchar *

The control specifier it is assigned with.

Flags: Read / Write

Default value: NULL

The `“drawing-area”` property

  “drawing-area”             GtkDrawingArea *

The GtkDrawingArea to perform drawing on.

Flags: Read / Write

Since: 0.7.74

The `“effect”` property

  “effect”                   gchar *

The effect name it is assigned with.

Flags: Read / Write

Default value: NULL

The `“filename”` property

  “filename”                 gchar *

The filename it is assigned with.

Flags: Read / Write

Default value: NULL

The `“height”` property

  “height”                   guint

The nth height.

Flags: Read

Allowed values: <= 65535

Default value: 0

Since: 0.7.74

The `“y”` property

  “y”                        guint

The y offset.

Flags: Read

Allowed values: <= 65535

Default value: 0

Since: 0.7.74