1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* Copyright (c) 2005 Casper Boemann <cbr@boemann.dk>
*
* this program is free software; you can redistribute it and/or modify
* it under the terms of the gnu general public license as published by
* the free software foundation; either version 2 of the license, or
* (at your option) any later version.
*
* this program 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 general public license for more details.
*
* you should have received a copy of the gnu general public license
* along with this program; if not, write to the free software
* foundation, inc., 675 mass ave, cambridge, ma 02139, usa.
*/
#ifndef KIS_GROUP_LAYER_H_
#define KIS_GROUP_LAYER_H_
#include <ksharedptr.h>
#include "kis_layer.h"
#include "kis_types.h"
#include "kis_paint_layer.h"
class KisMergeVisitor;
/**
* A KisLayer that bundles child layers into a single layer.
* The top layer is firstChild(), with index 0; the bottommost lastChild() with index childCount() - 1.
* KisLayer::nextSibling() moves towards higher indices, from the top to the bottom layer; prevSibling() the reverse.
* (Implementation detail: internally, the indices are reversed, for speed.)
**/
class KisGroupLayer : public KisLayer {
typedef KisLayer super;
Q_OBJECT
TQ_OBJECT
public:
KisGroupLayer(KisImage *img, const TQString &name, TQ_UINT8 opacity);
KisGroupLayer(const KisGroupLayer& rhs);
virtual ~KisGroupLayer();
virtual KisLayerSP clone() const;
public:
/**
* Set the entire layer extent dirty; this percolates up to parent layers all the
* way to the root layer.
*/
virtual void setDirty(bool propagate = true);
/**
* Add the given rect to the set of dirty rects for this layer;
* this percolates up to parent layers all the way to the root
* layer.
*/
virtual void setDirty(const TQRect & rect, bool propagate = true);
virtual void activate() {};
virtual void deactivate() {};
virtual TQ_INT32 x() const;
virtual void setX(TQ_INT32);
virtual TQ_INT32 y() const;
virtual void setY(TQ_INT32);
// Sets this layer and all its descendants' owner image to the given image.
virtual void setImage(KisImage *image);
virtual TQRect extent() const;
virtual TQRect exactBounds() const;
virtual bool accept(KisLayerVisitor &v)
{
// kdDebug(41001) << "GROUP\t\t" << name()
// << " dirty: " << dirty()
// << ", " << m_layers.count() << " children "
// << ", projection: " << m_projection
// << "\n";
return v.visit(this);
};
virtual void resetProjection(KisPaintDevice* to = 0); /// will copy from to, if !0, CoW!!
virtual KisPaintDeviceSP projection(const TQRect & rect);
virtual uint childCount() const;
virtual KisLayerSP firstChild() const;
virtual KisLayerSP lastChild() const;
/// Returns the layer at the specified index.
virtual KisLayerSP at(int index) const;
/// Returns the index of the layer if it's in this group, or -1 otherwise.
virtual int index(KisLayerSP layer) const;
/// Moves the specified layer to the specified index in the group, if it's already a member of this group.
virtual void setIndex(KisLayerSP layer, int index);
/** Adds the layer to this group at the specified index. childCount() is a valid index and appends to the end.
Fails and returns false if the layer is already in this group or any other (remove it first.) */
virtual bool addLayer(KisLayerSP newLayer, int index);
/**
* Add the specified layer above the specified layer (if aboveThis == 0, the bottom is used) */
virtual bool addLayer(KisLayerSP newLayer, KisLayerSP aboveThis);
/// Removes the layer at the specified index from the group.
virtual bool removeLayer(int index);
/// Removes the layer from this group. Fails if there's no such layer in this group.
virtual bool removeLayer(KisLayerSP layer);
virtual TQImage createThumbnail(TQ_INT32 w, TQ_INT32 h);
/// Returns if the layer will induce the projection hack (if the only layer in this group)
virtual bool paintLayerInducesProjectionOptimization(KisPaintLayer* l);
signals:
void sigDirty(TQRect rc);
private:
void updateProjection(const TQRect & rc);
inline int reverseIndex(int index) const { return childCount() - 1 - index; };
vKisLayerSP m_layers; // Contains the list of all layers
KisPaintDeviceSP m_projection; // The cached composition of all layers in this group
TQ_INT32 m_x;
TQ_INT32 m_y;
};
#endif // KIS_GROUP_LAYER_H_
|
