common scene: implement duplicate() method.

This commit is contained in:
Hermet Park 2020-09-22 13:20:13 +09:00 committed by Hermet Park
parent d601021b8f
commit c1827df0a3
3 changed files with 80 additions and 36 deletions

View file

@ -8,52 +8,76 @@ void tvgDrawCmds(tvg::Canvas* canvas)
{
if (!canvas) return;
//Prepare first shape, which will not be drawn
auto shape1 = tvg::Shape::gen();
shape1->appendRect(10, 10, 200, 200, 0, 0);
shape1->appendRect(220, 10, 100, 100, 0, 0);
//Duplicate Shapes
{
//Original Shape
auto shape1 = tvg::Shape::gen();
shape1->appendRect(10, 10, 200, 200, 0, 0);
shape1->appendRect(220, 10, 100, 100, 0, 0);
shape1->stroke(3);
shape1->stroke(0, 255, 0, 255);
shape1->stroke(3);
shape1->stroke(0, 255, 0, 255);
float dashPattern[2] = {4, 4};
shape1->stroke(dashPattern, 2);
shape1->fill(255, 0, 0, 255);
float dashPattern[2] = {4, 4};
shape1->stroke(dashPattern, 2);
shape1->fill(255, 0, 0, 255);
//Create second shape and duplicate parameters
auto shape2 = unique_ptr<tvg::Shape>(static_cast<tvg::Shape*>(shape1->duplicate()));
//Duplicate Shape, Switch fill method
auto shape2 = unique_ptr<tvg::Shape>(static_cast<tvg::Shape*>(shape1->duplicate()));
shape2->translate(0, 220);
//Create third shape, duplicate from first and add some new parameters
auto shape3 = unique_ptr<tvg::Shape>(static_cast<tvg::Shape*>(shape1->duplicate()));
auto fill = tvg::LinearGradient::gen();
fill->linear(10, 10, 440, 200);
//Move shape3 to new postion to don't cover second shape
shape3->translate(0, 220);
tvg::Fill::ColorStop colorStops[2];
colorStops[0] = {0, 0, 0, 0, 255};
colorStops[1] = {1, 255, 255, 255, 255};
fill->colorStops(colorStops, 2);
//Append New paths
shape3->appendRect(340, 10, 100, 100, 0, 0);
shape2->fill(move(fill));
//Fill shap3 with Linear Gradient
auto fill = tvg::LinearGradient::gen();
fill->linear(10, 10, 440, 200);
//Duplicate Shape 2
auto shape3 = unique_ptr<tvg::Shape>(static_cast<tvg::Shape*>(shape2->duplicate()));
shape3->translate(0, 440);
//Gradient Color Stops
tvg::Fill::ColorStop colorStops[2];
colorStops[0] = {0, 0, 0, 0, 255};
colorStops[1] = {1, 255, 255, 255, 255};
canvas->push(move(shape1));
canvas->push(move(shape2));
canvas->push(move(shape3));
}
fill->colorStops(colorStops, 2);
//Duplicate Scene
{
//Create a Scene1
auto scene1 = tvg::Scene::gen();
scene1->reserve(3);
shape3->fill(move(fill));
auto shape1 = tvg::Shape::gen();
shape1->appendRect(0, 0, 400, 400, 50, 50);
shape1->fill(0, 255, 0, 255);
scene1->push(move(shape1));
//Create fourth shape, duplicate from third and move position
auto shape4 = unique_ptr<tvg::Shape>(static_cast<tvg::Shape*>(shape3->duplicate()));
auto shape2 = tvg::Shape::gen();
shape2->appendCircle(400, 400, 200, 200);
shape2->fill(255, 255, 0, 255);
scene1->push(move(shape2));
auto shape3 = tvg::Shape::gen();
shape3->appendCircle(600, 600, 150, 100);
shape3->fill(0, 255, 255, 255);
scene1->push(move(shape3));
scene1->scale(0.25);
scene1->translate(400, 0);
//Duplicate Scene1
auto scene2 = unique_ptr<tvg::Scene>(static_cast<tvg::Scene*>(scene1->duplicate()));
scene2->translate(600, 200);
canvas->push(move(scene1));
canvas->push(move(scene2));
}
//Move shape3 to new postion to don't cover second shape
shape4->translate(0, 440);
canvas->push(move(shape2));
canvas->push(move(shape3));
canvas->push(move(shape4));
}

View file

@ -150,7 +150,18 @@ namespace tvg
Paint* duplicate()
{
return smethod->duplicate();
auto ret = smethod->duplicate();
//duplicate Transform
if (rTransform) {
ret->pImpl->rTransform = new RenderTransform();
if (ret->pImpl->rTransform) {
*ret->pImpl->rTransform = *rTransform;
ret->pImpl->flag |= RenderUpdateFlag::Transform;
}
}
return ret;
}
};

View file

@ -91,8 +91,17 @@ struct Scene::Impl
Paint* duplicate()
{
//TODO:
return nullptr;
auto ret = Scene::gen();
if (!ret) return nullptr;
auto dup = ret.get()->pImpl;
dup->paints.reserve(paints.size());
for (auto paint: paints) {
dup->paints.push_back(paint->duplicate());
}
return ret.release();
}
};