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PixelPaint: Add a GUI for editing opacity and visibility of layers

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Also, make the layer stack rendering respect opacity and visibility.
This commit is contained in:
Andreas Kling 2020-07-23 20:33:38 +02:00
parent d7be3faab5
commit b560445c84
8 changed files with 191 additions and 13 deletions
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25
Applications/PixelPaint/Layer.cpp
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@ -30,7 +30,7 @@
namespace PixelPaint {
RefPtr<Layer> Layer::create_with_size(const Gfx::IntSize& size, const String& name)
RefPtr<Layer> Layer::create_with_size(Image& image, const Gfx::IntSize& size, const String& name)
{
if (size.is_empty())
return nullptr;
@ -38,11 +38,12 @@ RefPtr<Layer> Layer::create_with_size(const Gfx::IntSize& size, const String& na
if (size.width() > 16384 || size.height() > 16384)
return nullptr;
return adopt(*new Layer(size, name));
return adopt(*new Layer(image, size, name));
}
Layer::Layer(const Gfx::IntSize& size, const String& name)
: m_name(name)
Layer::Layer(Image& image, const Gfx::IntSize& size, const String& name)
: m_image(image)
, m_name(name)
{
m_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGBA32, size);
}
@ -52,4 +53,20 @@ void Layer::did_modify_bitmap(Image& image)
image.layer_did_modify_bitmap({}, *this);
}
void Layer::set_visible(bool visible)
{
if (m_visible == visible)
return;
m_visible = visible;
m_image.layer_did_modify_properties({}, *this);
}
void Layer::set_opacity_percent(int opacity_percent)
{
if (m_opacity_percent == opacity_percent)
return;
m_opacity_percent = opacity_percent;
m_image.layer_did_modify_properties({}, *this);
}
}