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PixelPaint: Add keyboard zoom shortcuts

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You can now use Ctrl+= and Ctrl+- to zoom in and out.
This commit is contained in:
Jagger De Leo 2021-04-15 22:06:25 -04:00 • committed by Linus Groh
parent b48b8c372e
commit 2976311536
3 changed files with 31 additions and 6 deletions
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20
Userland/Applications/PixelPaint/ImageEditor.cpp
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@ -370,15 +370,19 @@ Layer* ImageEditor::layer_at_editor_position(const Gfx::IntPoint& editor_positio
return nullptr;
}
void ImageEditor::scale_centered_on_position(const Gfx::IntPoint& position, float scale_delta)
void ImageEditor::clamped_scale(float scale_delta)
{
auto old_scale = m_scale;
m_scale += scale_delta;
if (m_scale < 0.1f)
m_scale = 0.1f;
if (m_scale > 100.0f)
m_scale = 100.0f;
}
void ImageEditor::scale_centered_on_position(const Gfx::IntPoint& position, float scale_delta)
{
auto old_scale = m_scale;
clamped_scale(scale_delta);
Gfx::FloatPoint focus_point {
m_pan_origin.x() - (position.x() - width() / 2.0f) / old_scale,
@ -393,11 +397,19 @@ void ImageEditor::scale_centered_on_position(const Gfx::IntPoint& position, floa
relayout();
}
void ImageEditor::scale_by(float scale_delta)
{
if (scale_delta != 0) {
clamped_scale(scale_delta);
relayout();
}
}
void ImageEditor::reset_scale_and_position()
{
if (m_scale != 1.0f)
m_scale = 1.0f;
m_pan_origin = Gfx::FloatPoint(0, 0);
relayout();
}