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PixelPaint: Allow repeated zooming with the zoom tool

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Previously, the zoom tool only allowed the user to zoom in or out
once, as it didn't take account of the current zoom level.
This commit is contained in:
Tim Ledbetter 2023-01-05 15:35:07 +00:00 committed by Jelle Raaijmakers
parent a9839d7ac5
commit fc5bcd8476
Notes: sideshowbarker 2024-07-17 20:22:04 +09:00 
Author: https://github.com/tcl3
Commit: https://github.com/SerenityOS/serenity/commit/fc5bcd8476
Pull-request: https://github.com/SerenityOS/serenity/pull/16835
2 changed files with 5 additions and 5 deletions
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6
Userland/Applications/PixelPaint/Tools/ZoomTool.cpp
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2021-2022, the SerenityOS developers.
* Copyright (c) 2021-2023, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -19,7 +19,7 @@ void ZoomTool::on_mousedown(Layer*, MouseEvent& event)
return;
auto scale_factor = (raw_event.button() == GUI::MouseButton::Primary) ? m_sensitivity : -m_sensitivity;
auto new_scale = AK::exp2(scale_factor);
auto new_scale = m_editor->scale() * AK::exp2(scale_factor);
m_editor->scale_centered(new_scale, raw_event.position());
}
@ -42,7 +42,7 @@ GUI::Widget* ZoomTool::get_properties_widget()
sensitivity_slider.set_value(100 * m_sensitivity);
sensitivity_slider.on_change = [&](int value) {
m_sensitivity = (double)value / 100.0;
m_sensitivity = value / 100.0f;
};
set_primary_slider(&sensitivity_slider);
}

4
Userland/Applications/PixelPaint/Tools/ZoomTool.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2021-2022, the SerenityOS developers.
* Copyright (c) 2021-2023, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -25,7 +25,7 @@ private:
virtual StringView tool_name() const override { return "Zoom Tool"sv; }
RefPtr<GUI::Widget> m_properties_widget;
double m_sensitivity { 0.5 };
float m_sensitivity { 0.5f };
};
}