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PixelPaint: LevelDialog enhancements

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This patch adds the ability to apply slider changes only to regions
where a editing-mask was drawn.
This commit is contained in:
Torstennator 2023-02-06 17:22:00 +01:00 • committed by Jelle Raaijmakers
parent e3509efc1b
commit 1f31e72843
1 changed files with 13 additions and 5 deletions
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18
Userland/Applications/PixelPaint/LevelsDialog.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, Torsten Engelmann <engelTorsten@gmx.de>
* Copyright (c) 2022-2023, Torsten Engelmann <engelTorsten@gmx.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -94,15 +94,23 @@ void LevelsDialog::generate_new_image()
Color current_pixel_color;
Color new_pixel_color;
Gfx::StorageFormat storage_format = Gfx::determine_storage_format(m_editor->active_layer()->content_bitmap().format());
auto apply_only_on_mask = m_editor->active_layer()->mask_type() == Layer::MaskType::EditingMask;
for (int x = 0; x < m_reference_bitmap->width(); x++) {
for (int y = 0; y < m_reference_bitmap->height(); y++) {
current_pixel_color = m_reference_bitmap->get_pixel(x, y);
new_pixel_color.set_alpha(current_pixel_color.alpha());
new_pixel_color.set_red(m_precomputed_color_correction[current_pixel_color.red()]);
new_pixel_color.set_green(m_precomputed_color_correction[current_pixel_color.green()]);
new_pixel_color.set_blue(m_precomputed_color_correction[current_pixel_color.blue()]);
// Check if we can avoid setting pixels as nothing will change when we don't have a mask at x,y.
if (apply_only_on_mask && !m_editor->active_layer()->mask_bitmap()->get_pixel(x, y).alpha())
continue;
auto target_color = Color(
m_precomputed_color_correction[current_pixel_color.red()],
m_precomputed_color_correction[current_pixel_color.green()],
m_precomputed_color_correction[current_pixel_color.blue()],
current_pixel_color.alpha());
new_pixel_color = m_editor->active_layer()->modify_pixel_with_editing_mask(x, y, target_color, current_pixel_color);
switch (storage_format) {
case Gfx::StorageFormat::BGRx8888: