/usr/include/pigment-0.3/pgm/pgmdrawable.h is in libpigment0.3-dev 0.3.17-1.
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*
* Pigment media rendering library
*
* Copyright © 2006, 2007, 2008 Fluendo Embedded S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author(s): Loïc Molinari <loic@fluendo.com>
* Julien Moutte <julien@fluendo.com>
*/
#ifndef __PGM_DRAWABLE_H__
#define __PGM_DRAWABLE_H__
#include <gst/gst.h>
#include "pgmcommon.h"
#include "pgmlinearalgebra.h"
#include "pgmevents.h"
G_BEGIN_DECLS
#define PGM_TYPE_DRAWABLE \
(pgm_drawable_get_type ())
#define PGM_DRAWABLE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), PGM_TYPE_DRAWABLE, PgmDrawable))
#define PGM_DRAWABLE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), PGM_TYPE_DRAWABLE, PgmDrawableClass))
#define PGM_IS_DRAWABLE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), PGM_TYPE_DRAWABLE))
#define PGM_IS_DRAWABLE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), PGM_TYPE_DRAWABLE))
#define PGM_DRAWABLE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), PGM_TYPE_DRAWABLE, PgmDrawableClass))
typedef struct _PgmDrawable PgmDrawable;
typedef struct _PgmDrawableClass PgmDrawableClass;
/**
* PgmDrawableLayer:
* @PGM_DRAWABLE_UNBOUND: Not bound to a #Canvas.
* @PGM_DRAWABLE_FAR: Layer of drawables drawn behind the other layers.
* @PGM_DRAWABLE_MIDDLE: Layer of drawables drawn over the drawables in the
* far layer and behind the drawables in the near one.
* @PGM_DRAWABLE_NEAR: Layer of drawables drawn over the other layers.
*
* The rendering layers.
*/
typedef enum {
PGM_DRAWABLE_UNBOUND,
PGM_DRAWABLE_FAR,
PGM_DRAWABLE_MIDDLE,
PGM_DRAWABLE_NEAR
} PgmDrawableLayer;
/* FIXME: These are not all properties (esp. PGM_DRAWABLE_REGENERATE), could be
* an idea to change the name from property to something else
* (operation?) */
/**
* PgmDrawableProperty:
* @PGM_DRAWABLE_VISIBILITY: %PgmDrawable visibility property.
* @PGM_DRAWABLE_SIZE: %PgmDrawable size property.
* @PGM_DRAWABLE_POSITION: %PgmDrawable position property.
* @PGM_DRAWABLE_TRANSFORMATION_MATRIX: %PgmDrawable transformation matrix
* property.
* @PGM_DRAWABLE_BG_COLOR: %PgmDrawable background color property.
* @PGM_DRAWABLE_FG_COLOR: %PgmDrawable foreground color property.
* @PGM_DRAWABLE_OPACITY: %PgmDrawable opacity property.
* @PGM_DRAWABLE_REGENERATE: %PgmDrawable regenerate property.
* @PGM_IMAGE_DATA_FILE: %PgmImage file data property.
* @PGM_IMAGE_DATA_BUFFER: %PgmImage buffer data property.
* @PGM_IMAGE_DATA_GST_BUFFER: %PgmImage GstBuffer data property.
* @PGM_IMAGE_DATA_PIXBUF: %PgmImage GdkPixbuf data property.
* @PGM_IMAGE_DATA_SYSTEM_BUFFER: %PgmImage system buffer data property.
* @PGM_IMAGE_DATA_IMAGE: %PgmImage image data property.
* @PGM_IMAGE_DATA_EMPTY: %PgmImage empty data property.
* @PGM_IMAGE_SYSTEM_BUFFER_CONTENT: %PgmImage system buffer content property.
* @PGM_IMAGE_MAPPING_MATRIX: %PgmImage mapping matrix data property.
* @PGM_IMAGE_ALIGNMENT: %PgmImage alignment property.
* @PGM_IMAGE_LAYOUT: %PgmImage layout property.
* @PGM_IMAGE_INTERP: %PgmImage interpolation property.
* @PGM_IMAGE_WRAPPING: %PgmImage wrapping property.
* @PGM_IMAGE_ASPECT_RATIO: %PgmImage aspect-ratio property.
* @PGM_IMAGE_BORDER_WIDTH: %PgmImage border width property.
* @PGM_IMAGE_BORDER_INNER_COLOR: %PgmImage border inner color property.
* @PGM_IMAGE_BORDER_OUTER_COLOR: %PgmImage border outer color property.
* @PGM_TEXT_LABEL: %PgmText label property.
* @PGM_TEXT_MARKUP: %PgmText markup property.
* @PGM_TEXT_FONT_FAMILY: %PgmText font family property.
* @PGM_TEXT_HEIGHT: %PgmText height property.
* @PGM_TEXT_ELLIPSIZE: %PgmText ellipsize property.
* @PGM_TEXT_JUSTIFY: %PgmText justify property.
* @PGM_TEXT_ALIGNMENT: %PgmText alignment property.
* @PGM_TEXT_WRAP: %PgmText wrap property.
* @PGM_TEXT_GRAVITY: %PgmText gravity property.
* @PGM_TEXT_STRETCH: %PgmText stretch property.
* @PGM_TEXT_STYLE: %PgmText style property.
* @PGM_TEXT_VARIANT: %PgmText variant property.
* @PGM_TEXT_WEIGHT: %PgmText weight property.
* @PGM_TEXT_MULTILINE: %PgmText multiline property.
* @PGM_TEXT_LINE_SPACING: %PgmText line spacing property.
* @PGM_TEXT_COLOR: %PgmText color property.
* @PGM_TEXT_OUTLINE_COLOR: %PgmText outline color property.
* @PGM_TEXT_OUTLINE_WIDTH: %PgmText outline width property.
* @PGM_TEXT_CAST_SHADOW: %PgmText cast shadow property.
* @PGM_TEXT_SHADOW_POSITION: %PgmText shadow position property.
* @PGM_TEXT_SHADOW_COLOR: %PgmText shadow color.
*
* The different properties of the drawables.
*/
typedef enum {
/* PgmDrawable properties */
PGM_DRAWABLE_VISIBILITY = 0,
PGM_DRAWABLE_SIZE = 1,
PGM_DRAWABLE_POSITION = 2,
PGM_DRAWABLE_TRANSFORMATION_MATRIX = 3,
PGM_DRAWABLE_BG_COLOR = 4,
PGM_DRAWABLE_FG_COLOR = 5,
PGM_DRAWABLE_OPACITY = 6,
PGM_DRAWABLE_REGENERATE = 7,
/* PgmImage properties */
PGM_IMAGE_DATA_FILE = 8,
PGM_IMAGE_DATA_BUFFER = 9,
PGM_IMAGE_DATA_GST_BUFFER = 10,
PGM_IMAGE_DATA_PIXBUF = 11,
PGM_IMAGE_DATA_SYSTEM_BUFFER = 12,
PGM_IMAGE_DATA_IMAGE = 13,
PGM_IMAGE_DATA_EMPTY = 14,
PGM_IMAGE_SYSTEM_BUFFER_CONTENT = 15,
PGM_IMAGE_MAPPING_MATRIX = 16,
PGM_IMAGE_ALIGNMENT = 17,
PGM_IMAGE_LAYOUT = 18,
PGM_IMAGE_INTERP = 19,
PGM_IMAGE_WRAPPING = 20,
PGM_IMAGE_ASPECT_RATIO = 21,
PGM_IMAGE_BORDER_WIDTH = 22,
PGM_IMAGE_BORDER_INNER_COLOR = 23,
PGM_IMAGE_BORDER_OUTER_COLOR = 24,
/* PgmText properties */
PGM_TEXT_LABEL = 25,
PGM_TEXT_MARKUP = 26,
PGM_TEXT_FONT_FAMILY = 27,
PGM_TEXT_HEIGHT = 28,
PGM_TEXT_ELLIPSIZE = 29,
PGM_TEXT_JUSTIFY = 30,
PGM_TEXT_ALIGNMENT = 31,
PGM_TEXT_WRAP = 32,
PGM_TEXT_GRAVITY = 33,
PGM_TEXT_STRETCH = 34,
PGM_TEXT_STYLE = 35,
PGM_TEXT_VARIANT = 36,
PGM_TEXT_WEIGHT = 37,
PGM_TEXT_MULTILINE = 38,
PGM_TEXT_LINE_SPACING = 39,
PGM_TEXT_COLOR = 40,
PGM_TEXT_OUTLINE_COLOR = 41,
PGM_TEXT_OUTLINE_WIDTH = 42,
PGM_TEXT_CAST_SHADOW = 43,
PGM_TEXT_SHADOW_POSITION = 44,
PGM_TEXT_SHADOW_COLOR = 45
} PgmDrawableProperty;
/**
* PgmDrawableFlags:
* @PGM_DRAWABLE_FLAG_UNPARENTING: Child is being removed from the parent
* canvas. pgm_canvas_del_drawable() on a child already being removed
* immediately returns %FALSE.
* @PGM_DRAWABLE_FLAG_VISIBLE: Drawable is visible.
* @PGM_DRAWABLE_FLAG_LAST: Offset to define more flags.
*
* The standard flags that a drawable may have.
*/
typedef enum {
PGM_DRAWABLE_FLAG_UNPARENTING = (GST_OBJECT_FLAG_LAST << 0),
PGM_DRAWABLE_FLAG_VISIBLE = (GST_OBJECT_FLAG_LAST << 1),
/* padding */
PGM_DRAWABLE_FLAG_LAST = (GST_OBJECT_FLAG_LAST << 16)
} PgmDrawableFlags;
/**
* PgmDrawablePickingSignal:
* @PGM_DRAWABLE_PICKING_PRESSED: Pressed signal flag.
* @PGM_DRAWABLE_PICKING_PRESSURED: Pressured signal flag.
* @PGM_DRAWABLE_PICKING_RELEASED: Released signal flag.
* @PGM_DRAWABLE_PICKING_CLICKED: Clicked signal flag.
* @PGM_DRAWABLE_PICKING_DOUBLE_CLICKED: Double-clicked signal flag.
* @PGM_DRAWABLE_PICKING_DRAG_BEGIN: Drag-begin signal flag.
* @PGM_DRAWABLE_PICKING_DRAG_MOTION: Drag-motion signal flag.
* @PGM_DRAWABLE_PICKING_DRAG_END: Drag-end signal flag.
* @PGM_DRAWABLE_PICKING_ENTERED: Entered signal flag.
* @PGM_DRAWABLE_PICKING_SCROLLED: Scrolled signal flag.
* @PGM_DRAWABLE_PICKING_MOTION: Motion signal flag.
* @PGM_DRAWABLE_PICKING_MASK: Mask covering all the flags.
*
* The mouse picking flags internally used by #PgmViewport.
*/
typedef enum {
PGM_DRAWABLE_PICKING_PRESSED = (1 << 0),
PGM_DRAWABLE_PICKING_PRESSURED = (1 << 1),
PGM_DRAWABLE_PICKING_RELEASED = (1 << 2),
PGM_DRAWABLE_PICKING_CLICKED = (1 << 3),
PGM_DRAWABLE_PICKING_DOUBLE_CLICKED = (1 << 4),
PGM_DRAWABLE_PICKING_DRAG_BEGIN = (1 << 5),
PGM_DRAWABLE_PICKING_DRAG_MOTION = (1 << 6),
PGM_DRAWABLE_PICKING_DRAG_END = (1 << 7),
PGM_DRAWABLE_PICKING_ENTERED = (1 << 8),
PGM_DRAWABLE_PICKING_SCROLLED = (1 << 9),
PGM_DRAWABLE_PICKING_MOTION = (1 << 10),
PGM_DRAWABLE_PICKING_MASK = 0x7FF
} PgmDrawablePickingSignal;
/**
* PgmDrawable:
* @transformation_matrix: the drawable transformation matrix.
* @angle_x: the drawable angle of rotation on the x axis.
* @angle_y: the drawable angle of rotation on the y axis.
* @angle_z: the drawable angle of rotation on the z axis.
* @layer: the layer the drawable belongs to.
* @x: the drawable position on the x axis.
* @y: the drawable position on the y axis.
* @z: the drawable position on the z axis.
* @orig_x: the drawable original position on the x axis.
* @orig_y: the drawable original position on the y axis.
* @width: the drawable width.
* @height: the drawable height.
* @orig_width: the drawable original width.
* @orig_height: the drawable original height.
* @grid_aligned: the grid aligned boolean.
* @scale: the drawable scale factor.
* @fg_r: the drawable foreground red color component.
* @fg_g: the drawable foreground green color component.
* @fg_b: the drawable foreground blue color component.
* @fg_a: the drawable foreground alpha color component.
* @bg_r: the drawable background red color component.
* @bg_g: the drawable background green color component.
* @bg_b: the drawable background blue color component.
* @bg_a: the drawable background alpha color component.
* @opacity: the drawable opacity.
*
* Pigment drawable abstract base class.
*/
struct _PgmDrawable {
GstObject parent;
/*< public >*/
/* Transformation */
PgmMat4x4 *transformation_matrix;
gfloat angle_x, angle_y, angle_z;
/* Layer */
PgmDrawableLayer layer;
/* Position */
gfloat x, y, z;
gfloat orig_x, orig_y;
/* Scale */
gfloat scale;
/* Size */
gfloat width, height;
gfloat orig_width, orig_height;
gboolean grid_aligned;
/* Colors */
guchar fg_r, fg_g, fg_b, fg_a;
guchar bg_r, bg_g, bg_b, bg_a;
/* Opacity */
guchar opacity;
/*< private >*/
/* Position and orientation of the drawable */
PgmVec3 origin;
PgmVec3 plane_vector_i;
PgmVec3 plane_vector_j;
/* Mouse picking */
PgmVec3 press_point;
PgmVec3 viewport_press_point;
guint32 pressure;
guint32 release_time;
gboolean mouse_over;
guint16 drag_mask;
guint16 press_mask;
guint16 release_button;
guchar drag_distance;
/* Flags */
guint8 flags;
};
/**
* PgmDrawableClass:
* @parent_class: the parent class structure.
* @changed: the "changed" signal.
* @pressed: the "pressed" signal.
* @pressured: the "pressured" signal.
* @released: the "released" signal.
* @clicked: the "clicked" signal.
* @double_clicked: the "double-clicked" signal.
* @scrolled: the "scrolled" signal.
* @drag_begin: the "drag-begin" signal.
* @drag_motion: the "drag-motion" signal.
* @drag_end: the "drag-end" signal.
* @motion: the "motion" signal.
* @entered: the "entered" signal.
* @left: the "left" signal.
* @hide: the hide virtual method.
* @show: the show virtual method.
* @set_size: the set_size virtual method.
* @set_position: the set_position virtual method.
* @set_fg_color: the set_fg_color virtual method.
* @set_bg_color: the set_bg_color virtual method.
* @set_opacity: the set_opacity virtual method.
*
* The #PgmDrawable structure.
*/
struct _PgmDrawableClass {
GstObjectClass parent_class;
/*< public >*/
/* Signals */
void (*changed) (PgmDrawable *drawable,
PgmDrawableProperty property);
gboolean (*pressed) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
PgmButtonType button,
guint32 time,
guint32 pressure);
gboolean (*pressured) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
PgmButtonType button,
guint32 time,
guint32 pressure);
gboolean (*released) (PgmDrawable *drawable,
PgmButtonType button,
guint32 time);
gboolean (*clicked) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
PgmButtonType button,
guint32 time,
guint32 pressure);
gboolean (*double_clicked) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
PgmButtonType button,
guint32 time);
gboolean (*scrolled) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
PgmScrollDirection direction,
guint32 time);
gboolean (*drag_begin) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
PgmButtonType button,
guint32 time,
guint32 pressure);
gboolean (*drag_motion) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
PgmButtonType button,
guint32 time,
guint32 pressure);
gboolean (*drag_end) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
PgmButtonType button,
guint32 time);
gboolean (*motion) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
guint32 time);
gboolean (*entered) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
guint32 time);
gboolean (*left) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z,
guint32 time);
/* virtual methods for subclasses */
PgmError (*hide) (PgmDrawable *drawable);
PgmError (*show) (PgmDrawable *drawable);
PgmError (*set_size) (PgmDrawable *drawable,
gfloat width,
gfloat height);
PgmError (*set_position) (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z);
PgmError (*set_fg_color) (PgmDrawable *drawable,
guchar r,
guchar g,
guchar b,
guchar a);
PgmError (*set_bg_color) (PgmDrawable *drawable,
guchar r,
guchar g,
guchar b,
guchar a);
PgmError (*set_opacity) (PgmDrawable *drawable,
guchar opacity);
};
GType pgm_drawable_get_type (void);
PgmError pgm_drawable_hide (PgmDrawable *drawable);
PgmError pgm_drawable_show (PgmDrawable *drawable);
PgmError pgm_drawable_is_visible (PgmDrawable *drawable,
gboolean *visible);
PgmError pgm_drawable_set_size (PgmDrawable *drawable,
gfloat width,
gfloat height);
PgmError pgm_drawable_get_size (PgmDrawable *drawable,
gfloat *width,
gfloat *height);
PgmError pgm_drawable_set_position (PgmDrawable *drawable,
gfloat x,
gfloat y,
gfloat z);
PgmError pgm_drawable_get_position (PgmDrawable *drawable,
gfloat *x,
gfloat *y,
gfloat *z);
PgmError pgm_drawable_set_rotation_x (PgmDrawable *drawable,
gfloat angle);
PgmError pgm_drawable_get_rotation_x (PgmDrawable *drawable,
gfloat *angle);
PgmError pgm_drawable_set_rotation_y (PgmDrawable *drawable,
gfloat angle);
PgmError pgm_drawable_get_rotation_y (PgmDrawable *drawable,
gfloat *angle);
PgmError pgm_drawable_set_rotation_z (PgmDrawable *drawable,
gfloat angle);
PgmError pgm_drawable_get_rotation_z (PgmDrawable *drawable,
gfloat *angle);
PgmError pgm_drawable_set_scale (PgmDrawable *drawable,
gfloat scale);
PgmError pgm_drawable_get_scale (PgmDrawable *drawable,
gfloat *scale);
PgmError pgm_drawable_set_fg_color (PgmDrawable *drawable,
guchar r,
guchar g,
guchar b,
guchar a);
PgmError pgm_drawable_get_fg_color (PgmDrawable *drawable,
guchar *r,
guchar *g,
guchar *b,
guchar *a);
PgmError pgm_drawable_set_bg_color (PgmDrawable *drawable,
guchar r,
guchar g,
guchar b,
guchar a);
PgmError pgm_drawable_get_bg_color (PgmDrawable *drawable,
guchar *r,
guchar *g,
guchar *b,
guchar *a);
PgmError pgm_drawable_set_opacity (PgmDrawable *drawable,
guchar opacity);
PgmError pgm_drawable_get_opacity (PgmDrawable *drawable,
guchar *opacity);
PgmError pgm_drawable_set_grid_aligned (PgmDrawable *drawable,
gboolean aligned);
PgmError pgm_drawable_get_grid_aligned (PgmDrawable *drawable,
gboolean *aligned);
PgmError pgm_drawable_set_drag_distance (PgmDrawable *drawable,
guchar distance);
PgmError pgm_drawable_get_drag_distance (PgmDrawable *drawable,
guchar *distance);
PgmError pgm_drawable_regenerate (PgmDrawable *drawable);
PgmError pgm_drawable_from_canvas (PgmDrawable *drawable,
gfloat *x_drawable,
gfloat *y_drawable,
gfloat x_canvas,
gfloat y_canvas,
gfloat z_canvas);
PgmError pgm_drawable_to_canvas (PgmDrawable *drawable,
gfloat *x_canvas,
gfloat *y_canvas,
gfloat *z_canvas,
gfloat x_drawable,
gfloat y_drawable);
/* Protected methods */
void _pgm_drawable_emit_changed (PgmDrawable *drawable,
PgmDrawableProperty property);
void _pgm_drawable_do_press_event (PgmDrawable *drawable,
PgmEventButton *event,
PgmVec3 *p1,
PgmVec3 *p2,
guint16 *emission_mask);
void _pgm_drawable_do_pressure_event (PgmDrawable *drawable,
PgmEventButton *event,
PgmVec3 *p1,
PgmVec3 *p2,
guint16 *emission_mask);
void _pgm_drawable_do_release_event (PgmDrawable *drawable,
PgmEventButton *event,
PgmVec3 *p1,
PgmVec3 *p2,
guint16 *emission_mask);
void _pgm_drawable_do_motion_event (PgmDrawable *drawable,
PgmEventMotion *event,
PgmVec3 *p1,
PgmVec3 *p2,
guint16 *emission_mask);
void _pgm_drawable_do_scroll_event (PgmDrawable *drawable,
PgmEventScroll *event,
PgmVec3 *p1,
PgmVec3 *p2,
guint16 *emission_mask);
G_END_DECLS
#endif /* __PGM_DRAWABLE_H__ */
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