| @@ -75,6 +75,15 void XYDomain::zoomIn(const QRectF &rect) | |||
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75 | 75 | minY = maxY - dy * rect.bottom(); |
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76 | 76 | maxY = maxY - dy * rect.top(); |
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77 | 77 | |
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78 | if ((maxX - minX) == spanX()) { | |
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79 | minX = m_minX; | |
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80 | maxX = m_maxX; | |
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81 | } | |
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82 | if ((maxY - minY) == spanY()) { | |
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83 | minY = m_minY; | |
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84 | maxY = m_maxY; | |
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85 | } | |
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86 | ||
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78 | 87 | setRange(minX, maxX, minY, maxY); |
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79 | 88 | } |
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80 | 89 | |
| @@ -94,6 +103,15 void XYDomain::zoomOut(const QRectF &rect) | |||
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94 | 103 | maxY = minY + dy * rect.bottom(); |
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95 | 104 | minY = maxY - dy * m_size.height(); |
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96 | 105 | |
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106 | if ((maxX - minX) == spanX()) { | |
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107 | minX = m_minX; | |
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108 | maxX = m_maxX; | |
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109 | } | |
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110 | if ((maxY - minY) == spanY()) { | |
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111 | minY = m_minY; | |
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112 | maxY = m_maxY; | |
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113 | } | |
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114 | ||
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97 | 115 | setRange(minX, maxX, minY, maxY); |
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98 | 116 | } |
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99 | 117 | |
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