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common picture: implement duplicate() method.

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This commit is contained in:
Hermet Park 2020-09-22 13:47:23 +09:00 • committed by Hermet Park
parent c1827df0a3
commit 87a0666034
3 changed files with 32 additions and 7 deletions
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12
src/examples/testDuplicate.cpp
View file

@ -77,7 +77,19 @@ void tvgDrawCmds(tvg::Canvas* canvas)
canvas->push(move(scene2));
}
//Duplicate Picture
{
auto picture1 = tvg::Picture::gen();
picture1->load(EXAMPLE_DIR"/tiger.svg");
picture1->translate(370, 370);
picture1->scale(0.25);
auto picture2 = unique_ptr<tvg::Picture>(static_cast<tvg::Picture*>(picture1->duplicate()));
picture2->translate(550, 550);
canvas->push(move(picture1));
canvas->push(move(picture2));
}
}

2
src/lib/tvgPaint.h
View file

@ -153,7 +153,7 @@ namespace tvg
auto ret = smethod->duplicate();
//duplicate Transform
if (rTransform) {
if (ret && rTransform) {
ret->pImpl->rTransform = new RenderTransform();
if (ret->pImpl->rTransform) {
*ret->pImpl->rTransform = *rTransform;

25
src/lib/tvgPictureImpl.h
View file

@ -43,16 +43,22 @@ struct Picture::Impl
return true;
}
bool update(RenderMethod &renderer, const RenderTransform* transform, RenderUpdateFlag flag)
void reload()
{
if (loader) {
if (loader && !paint) {
auto scene = loader->data();
if (scene) {
this->paint = scene.release();
if (!this->paint) return false;
paint = scene.release();
if (!paint) return;
loader->close();
}
}
}
bool update(RenderMethod &renderer, const RenderTransform* transform, RenderUpdateFlag flag)
{
reload();
if (!paint) return false;
@ -107,8 +113,15 @@ struct Picture::Impl
Paint* duplicate()
{
//TODO:
return nullptr;
reload();
if (!paint) return nullptr;
auto ret = Picture::gen();
if (!ret) return nullptr;
auto dup = ret.get()->pImpl;
dup->paint = paint->duplicate();
return ret.release();
}
};