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3 | ** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). |
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39 | |
40 | #include "qspritesheet.h" |
41 | #include "qspritesheetitem.h" |
42 | #include "qspritesheet_p.h" |
43 | |
44 | #include <Qt3DRender/qabstracttexture.h> |
45 | |
46 | QT_BEGIN_NAMESPACE |
47 | |
48 | using namespace Qt3DCore; |
49 | |
50 | namespace Qt3DExtras { |
51 | |
52 | QSpriteSheetPrivate::() |
53 | : QAbstractSpriteSheetPrivate() |
54 | { |
55 | } |
56 | |
57 | int QSpriteSheetPrivate::() const |
58 | { |
59 | return m_sprites.count() - 1; |
60 | } |
61 | |
62 | void QSpriteSheetPrivate::() |
63 | { |
64 | Q_Q(QSpriteSheet); |
65 | if (m_texture) |
66 | m_textureSize = QSize(m_texture->width(), m_texture->height()); |
67 | else |
68 | m_textureSize = QSize(); |
69 | |
70 | if (m_textureSize.isEmpty() || m_sprites.isEmpty()) { |
71 | if (m_currentIndex != -1) { |
72 | m_currentIndex = -1; |
73 | emit q->currentIndexChanged(currentIndex: m_currentIndex); |
74 | } |
75 | m_textureTransform.setToIdentity(); |
76 | emit q->textureTransformChanged(textureTransform: m_textureTransform); |
77 | return; |
78 | } |
79 | |
80 | if (m_currentIndex < 0 || m_currentIndex >= m_sprites.size()) { |
81 | m_currentIndex = 0; |
82 | emit q->currentIndexChanged(currentIndex: m_currentIndex); |
83 | } |
84 | updateTransform(); |
85 | } |
86 | |
87 | void QSpriteSheetPrivate::() |
88 | { |
89 | Q_Q(QSpriteSheet); |
90 | if (m_currentIndex < 0 || m_currentIndex >= m_sprites.size()) |
91 | return; |
92 | |
93 | const QSpriteSheetItem *r = m_sprites.at(i: m_currentIndex); |
94 | const float xScale = static_cast<float>(r->width()) / static_cast<float>(m_textureSize.width()); |
95 | const float yScale = static_cast<float>(r->height()) / static_cast<float>(m_textureSize.height()); |
96 | |
97 | const float xTranslate = static_cast<float>(r->x()) / static_cast<float>(m_textureSize.width()); |
98 | const float yTranslate = static_cast<float>(r->y()) / static_cast<float>(m_textureSize.height()); |
99 | |
100 | m_textureTransform.setToIdentity(); |
101 | m_textureTransform(0, 0) = xScale; |
102 | m_textureTransform(1, 1) = yScale; |
103 | m_textureTransform(0, 2) = xTranslate; |
104 | m_textureTransform(1, 2) = yTranslate; |
105 | emit q->textureTransformChanged(textureTransform: m_textureTransform); |
106 | } |
107 | |
108 | /*! |
109 | Constructs a new QSpriteSheet instance with parent object \a parent. |
110 | */ |
111 | QSpriteSheet::(QNode *parent) |
112 | : QAbstractSpriteSheet(*new QSpriteSheetPrivate, parent) |
113 | { |
114 | } |
115 | |
116 | QSpriteSheet::() |
117 | { |
118 | } |
119 | |
120 | QVector<QSpriteSheetItem *> QSpriteSheet::() const |
121 | { |
122 | Q_D(const QSpriteSheet); |
123 | return d->m_sprites; |
124 | } |
125 | |
126 | QSpriteSheetItem *QSpriteSheet::(int x, int y, int width, int height) |
127 | { |
128 | QSpriteSheetItem *item = new QSpriteSheetItem(this); |
129 | item->setX(x); |
130 | item->setX(y); |
131 | item->setWidth(width); |
132 | item->setHeight(height); |
133 | addSprite(sprite: item); |
134 | return item; |
135 | } |
136 | |
137 | void QSpriteSheet::(QSpriteSheetItem *sprite) |
138 | { |
139 | Q_ASSERT(sprite); |
140 | Q_D(QSpriteSheet); |
141 | if (!d->m_sprites.contains(t: sprite)) { |
142 | d->m_sprites << sprite; |
143 | |
144 | // Ensures proper bookkeeping |
145 | d->registerDestructionHelper(node: sprite, func: &QSpriteSheet::removeSprite, d->m_sprites); |
146 | if (!sprite->parent()) |
147 | sprite->setParent(this); |
148 | |
149 | emit spritesChanged(sprites: d->m_sprites); |
150 | d->updateSizes(); |
151 | } |
152 | } |
153 | |
154 | void QSpriteSheet::(QSpriteSheetItem *sprite) |
155 | { |
156 | Q_ASSERT(sprite); |
157 | Q_D(QSpriteSheet); |
158 | d->m_sprites.removeOne(t: sprite); |
159 | // Remove bookkeeping connection |
160 | d->unregisterDestructionHelper(node: sprite); |
161 | } |
162 | |
163 | void QSpriteSheet::(QVector<QSpriteSheetItem *> sprites) |
164 | { |
165 | Q_D(QSpriteSheet); |
166 | d->m_sprites = sprites; |
167 | emit spritesChanged(sprites); |
168 | d->updateSizes(); |
169 | } |
170 | |
171 | } // namespace Qt3DExtras |
172 | |
173 | QT_END_NAMESPACE |
174 | |