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PixelPaint: Allow layer to "scale" location when resizing

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This commit is contained in:
Andrew Smith 2022-03-18 16:29:29 -05:00 • committed by Andreas Kling
parent 02399d4775
commit bccf0a9346
3 changed files with 37 additions and 13 deletions
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33
Userland/Applications/PixelPaint/Layer.cpp
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@ -180,31 +180,42 @@ void Layer::crop(Gfx::IntRect const& rect)
did_modify_bitmap();
}
void Layer::resize(Gfx::IntSize const& new_size, Gfx::Painter::ScalingMode scaling_mode)
void Layer::resize(Gfx::IntSize const& new_size, Gfx::IntPoint const& new_location, Gfx::Painter::ScalingMode scaling_mode)
{
const Gfx::IntRect old_rect(Gfx::IntPoint(0, 0), size());
const Gfx::IntRect new_rect(Gfx::IntPoint(0, 0), new_size);
auto src_rect = Gfx::IntRect(Gfx::IntPoint(0, 0), size());
auto dst_rect = Gfx::IntRect(Gfx::IntPoint(0, 0), new_size);
{
auto resized = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, new_size).release_value_but_fixme_should_propagate_errors();
Gfx::Painter painter(resized);
auto dst = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, new_size).release_value_but_fixme_should_propagate_errors();
Gfx::Painter painter(dst);
painter.draw_scaled_bitmap(new_rect, *m_content_bitmap, old_rect, 1.0f, scaling_mode);
painter.draw_scaled_bitmap(dst_rect, *m_content_bitmap, src_rect, 1.0f, scaling_mode);
m_content_bitmap = move(resized);
m_content_bitmap = move(dst);
}
if (m_mask_bitmap) {
auto resized = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, new_size).release_value_but_fixme_should_propagate_errors();
Gfx::Painter painter(resized);
auto dst = Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRA8888, new_size).release_value_but_fixme_should_propagate_errors();
Gfx::Painter painter(dst);
painter.draw_scaled_bitmap(new_rect, *m_mask_bitmap, old_rect, 1.0f, scaling_mode);
m_mask_bitmap = move(resized);
painter.draw_scaled_bitmap(dst_rect, *m_mask_bitmap, src_rect, 1.0f, scaling_mode);
m_mask_bitmap = move(dst);
}
set_location(new_location);
did_modify_bitmap();
}
void Layer::resize(Gfx::IntRect const& new_rect, Gfx::Painter::ScalingMode scaling_mode)
{
resize(new_rect.size(), new_rect.location(), scaling_mode);
}
void Layer::resize(Gfx::IntSize const& new_size, Gfx::Painter::ScalingMode scaling_mode)
{
resize(new_size, location(), scaling_mode);
}
void Layer::update_cached_bitmap()
{
if (!is_masked()) {