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3 | ** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). |
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38 | ****************************************************************************/ |
39 | |
40 | #include "qspritegrid.h" |
41 | #include "qspritegrid_p.h" |
42 | |
43 | #include <Qt3DRender/qabstracttexture.h> |
44 | |
45 | QT_BEGIN_NAMESPACE |
46 | |
47 | using namespace Qt3DCore; |
48 | |
49 | namespace Qt3DExtras { |
50 | |
51 | QSpriteGridPrivate::() |
52 | : QAbstractSpriteSheetPrivate() |
53 | , m_numColumns(1) |
54 | , m_numRows(1) |
55 | { |
56 | } |
57 | |
58 | int QSpriteGridPrivate::() const |
59 | { |
60 | return m_numColumns * m_numRows - 1; |
61 | } |
62 | |
63 | void QSpriteGridPrivate::() |
64 | { |
65 | Q_Q(QSpriteGrid); |
66 | if (m_texture && m_numColumns && m_numRows) { |
67 | m_textureSize = QSize(m_texture->width(), m_texture->height()); |
68 | m_cellSize = QSizeF((float) m_texture->width() / m_numColumns, (float) m_texture->height() / m_numRows); |
69 | } else { |
70 | m_textureSize = QSize(); |
71 | m_cellSize = QSizeF(); |
72 | } |
73 | |
74 | if (m_cellSize.isEmpty() || m_numColumns == 0 || m_numRows == 0) { |
75 | if (m_currentIndex != -1) { |
76 | m_currentIndex = -1; |
77 | emit q->currentIndexChanged(currentIndex: m_currentIndex); |
78 | } |
79 | m_textureTransform.setToIdentity(); |
80 | emit q->textureTransformChanged(textureTransform: m_textureTransform); |
81 | return; |
82 | } |
83 | |
84 | if (m_currentIndex == -1) { |
85 | m_currentIndex = 0; |
86 | emit q->currentIndexChanged(currentIndex: m_currentIndex); |
87 | } |
88 | updateTransform(); |
89 | } |
90 | |
91 | void QSpriteGridPrivate::() |
92 | { |
93 | Q_Q(QSpriteGrid); |
94 | const float xScale = (float) m_cellSize.width() / (float) m_textureSize.width(); |
95 | const float yScale = (float) m_cellSize.height() / (float) m_textureSize.height(); |
96 | |
97 | const int currentRow = m_currentIndex / m_numColumns; |
98 | const int currentColumn = m_currentIndex % m_numColumns; |
99 | const float xTranslate = currentColumn * xScale; |
100 | const float yTranslate = currentRow * yScale; |
101 | |
102 | m_textureTransform.setToIdentity(); |
103 | m_textureTransform(0, 0) = xScale; |
104 | m_textureTransform(1, 1) = yScale; |
105 | m_textureTransform(0, 2) = xTranslate; |
106 | m_textureTransform(1, 2) = yTranslate; |
107 | emit q->textureTransformChanged(textureTransform: m_textureTransform); |
108 | } |
109 | |
110 | /*! |
111 | Constructs a new QSpriteGrid instance with parent object \a parent. |
112 | */ |
113 | QSpriteGrid::(QNode *parent) |
114 | : QAbstractSpriteSheet(*new QSpriteGridPrivate, parent) |
115 | { |
116 | } |
117 | |
118 | QSpriteGrid::() |
119 | { |
120 | } |
121 | |
122 | int QSpriteGrid::() const |
123 | { |
124 | Q_D(const QSpriteGrid); |
125 | return d->m_numRows; |
126 | } |
127 | |
128 | void QSpriteGrid::(int rows) |
129 | { |
130 | Q_D(QSpriteGrid); |
131 | if (d->m_numRows != rows) { |
132 | d->m_numRows = rows; |
133 | d->updateSizes(); |
134 | emit rowsChanged(rows); |
135 | } |
136 | } |
137 | |
138 | int QSpriteGrid::columns() const |
139 | { |
140 | Q_D(const QSpriteGrid); |
141 | return d->m_numColumns; |
142 | } |
143 | |
144 | void QSpriteGrid::setColumns(int columns) |
145 | { |
146 | Q_D(QSpriteGrid); |
147 | if (d->m_numColumns != columns) { |
148 | d->m_numColumns = columns; |
149 | d->updateSizes(); |
150 | emit columnsChanged(columns); |
151 | } |
152 | } |
153 | |
154 | } // namespace Qt3DExtras |
155 | |
156 | QT_END_NAMESPACE |
157 | |