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https://github.com/RGBCube/serenity
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PixelPaint: Add keyboard zoom shortcuts
You can now use Ctrl+= and Ctrl+- to zoom in and out.
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parent
b48b8c372e
commit
2976311536
3 changed files with 31 additions and 6 deletions
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@ -370,15 +370,19 @@ Layer* ImageEditor::layer_at_editor_position(const Gfx::IntPoint& editor_positio
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return nullptr;
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}
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void ImageEditor::scale_centered_on_position(const Gfx::IntPoint& position, float scale_delta)
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void ImageEditor::clamped_scale(float scale_delta)
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{
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auto old_scale = m_scale;
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m_scale += scale_delta;
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if (m_scale < 0.1f)
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m_scale = 0.1f;
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if (m_scale > 100.0f)
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m_scale = 100.0f;
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}
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void ImageEditor::scale_centered_on_position(const Gfx::IntPoint& position, float scale_delta)
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{
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auto old_scale = m_scale;
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clamped_scale(scale_delta);
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Gfx::FloatPoint focus_point {
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m_pan_origin.x() - (position.x() - width() / 2.0f) / old_scale,
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@ -393,11 +397,19 @@ void ImageEditor::scale_centered_on_position(const Gfx::IntPoint& position, floa
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relayout();
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}
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void ImageEditor::scale_by(float scale_delta)
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{
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if (scale_delta != 0) {
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clamped_scale(scale_delta);
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relayout();
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}
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}
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void ImageEditor::reset_scale_and_position()
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{
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if (m_scale != 1.0f)
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m_scale = 1.0f;
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m_pan_origin = Gfx::FloatPoint(0, 0);
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relayout();
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}
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