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PixelPaint: Split bitmap() of Layer into {content, display}_bitmap

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This is in preparation to support masking of Layers. We now distinguish
between the "display_bitmap" which will be the whole Layer with every
effect applied and the "content_bitmap" which contains the actual
unmodified pixels in the Layer.
This commit is contained in:
Tobias Christiansen 2022-03-07 21:24:05 +01:00 • committed by Andreas Kling
parent b6510f8e76
commit 31a9196bfe
14 changed files with 73 additions and 42 deletions
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6
Userland/Applications/PixelPaint/Tools/BrushTool.cpp
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@ -29,7 +29,7 @@ void BrushTool::on_mousedown(Layer* layer, MouseEvent& event)
// Shift+Click draws a line from the last position to current one.
if (layer_event.shift() && m_has_clicked) {
draw_line(layer->bitmap(), color_for(layer_event), m_last_position, layer_event.position());
draw_line(layer->content_bitmap(), color_for(layer_event), m_last_position, layer_event.position());
auto modified_rect = Gfx::IntRect::from_two_points(m_last_position, layer_event.position()).inflated(m_size * 2, m_size * 2);
layer->did_modify_bitmap(modified_rect);
m_last_position = layer_event.position();
@ -39,7 +39,7 @@ void BrushTool::on_mousedown(Layer* layer, MouseEvent& event)
const int first_draw_opacity = 10;
for (int i = 0; i < first_draw_opacity; ++i)
draw_point(layer->bitmap(), color_for(layer_event), layer_event.position());
draw_point(layer->content_bitmap(), color_for(layer_event), layer_event.position());
layer->did_modify_bitmap(Gfx::IntRect::centered_on(layer_event.position(), Gfx::IntSize { m_size * 2, m_size * 2 }));
m_last_position = layer_event.position();
@ -55,7 +55,7 @@ void BrushTool::on_mousemove(Layer* layer, MouseEvent& event)
if (!(layer_event.buttons() & GUI::MouseButton::Primary || layer_event.buttons() & GUI::MouseButton::Secondary))
return;
draw_line(layer->bitmap(), color_for(layer_event), m_last_position, layer_event.position());
draw_line(layer->content_bitmap(), color_for(layer_event), m_last_position, layer_event.position());
auto modified_rect = Gfx::IntRect::from_two_points(m_last_position, layer_event.position()).inflated(m_size * 2, m_size * 2);