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examples masking: added nested masking scenario.

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Hermet Park 2023-05-01 23:37:29 +09:00 • committed by Hermet Park
parent 527b1af926
commit 0ce2208be0
4 changed files with 35 additions and 13 deletions
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7
src/examples/AnimateMasking.cpp
View file

@ -44,16 +44,17 @@ void tvgDrawCmds(tvg::Canvas* canvas)
auto picture1 = tvg::Picture::gen();
picture1->load(EXAMPLE_DIR"/cartman.svg");
picture1->size(400, 400);
canvas->push(move(picture1));
auto picture2 = tvg::Picture::gen();
picture2->load(EXAMPLE_DIR"/logo.svg");
picture2->size(400, 400);
canvas->push(move(picture1));
//mask
auto maskShape = tvg::Shape::gen();
pMaskShape = maskShape.get();
maskShape->appendCircle(180, 180, 75, 75);
maskShape->fill(0, 0, 0, 125);
maskShape->fill(125, 125, 125, 255);
maskShape->stroke(25, 25, 25, 255);
maskShape->stroke(tvg::StrokeJoin::Round);
maskShape->stroke(10);
@ -62,7 +63,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
auto mask = tvg::Shape::gen();
pMask = mask.get();
mask->appendCircle(180, 180, 75, 75);
mask->fill(255, 0, 0, 255);
mask->fill(255, 255, 255, 255); //AlphaMask RGB channels are unused.
picture2->composite(move(mask), tvg::CompositeMethod::AlphaMask);
if (canvas->push(move(picture2)) != tvg::Result::Success) return;

15
src/examples/InvMasking.cpp
View file

@ -39,7 +39,14 @@ void tvgDrawCmds(tvg::Canvas* canvas)
//Mask
auto mask = tvg::Shape::gen();
mask->appendCircle(200, 200, 125, 125);
mask->fill(255, 0, 0, 255);
mask->fill(255, 255, 255, 255); //InvAlphaMask RGB channels are unused.
//Nested Mask
auto nMask = tvg::Shape::gen();
nMask->appendCircle(220, 220, 125, 125);
nMask->fill(255, 255, 255, 255); //InvAlphaMask RGB channels are unused.
mask->composite(move(nMask), tvg::CompositeMethod::InvAlphaMask);
shape->composite(move(mask), tvg::CompositeMethod::InvAlphaMask);
canvas->push(move(shape));
@ -54,7 +61,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
auto mask2 = tvg::Shape::gen();
mask2->appendCircle(150, 500, 75, 75);
mask2->appendRect(150, 500, 200, 200, 30, 30);
mask2->fill(255, 255, 255, 255);
mask2->fill(255, 255, 255, 255); //InvAlphaMask RGB channels are unused.
svg->composite(move(mask2), tvg::CompositeMethod::InvAlphaMask);
if (canvas->push(move(svg)) != tvg::Result::Success) return;
@ -78,7 +85,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
//Mask3
auto mask3 = tvg::Shape::gen();
mask3->appendCircle(600, 200, 125, 125);
mask3->fill(255, 255, 255, 255);
mask3->fill(255, 255, 255, 255); //InvAlphaMask RGB channels are unused.
star->composite(move(mask3), tvg::CompositeMethod::InvAlphaMask);
if (canvas->push(move(star)) != tvg::Result::Success) return;
@ -108,7 +115,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
mask4->lineTo(426, 511);
mask4->lineTo(546, 493);
mask4->close();
mask4->fill(255, 255, 255, 70);
mask4->fill(255, 255, 255, 70); //InvAlphaMask RGB channels are unused.
image->composite(move(mask4), tvg::CompositeMethod::InvAlphaMask);
if (canvas->push(move(image)) != tvg::Result::Success) return;
}

9
src/examples/LumaMasking.cpp
View file

@ -39,7 +39,14 @@ void tvgDrawCmds(tvg::Canvas* canvas)
//Mask
auto mask = tvg::Shape::gen();
mask->appendCircle(200, 200, 125, 125);
mask->fill(255, 0, 0, 255);
mask->fill(255, 100, 255, 255);
//Nested Mask
auto nMask = tvg::Shape::gen();
nMask->appendCircle(220, 220, 125, 125);
nMask->fill(255, 200, 255, 255);
mask->composite(move(nMask), tvg::CompositeMethod::LumaMask);
shape->composite(move(mask), tvg::CompositeMethod::LumaMask);
canvas->push(move(shape));

17
src/examples/Masking.cpp
View file

@ -39,7 +39,14 @@ void tvgDrawCmds(tvg::Canvas* canvas)
//Mask
auto mask = tvg::Shape::gen();
mask->appendCircle(200, 200, 125, 125);
mask->fill(255, 0, 0, 255);
mask->fill(255, 255, 255, 255); //AlphaMask RGB channels are unused.
//Nested Mask
auto nMask = tvg::Shape::gen();
nMask->appendCircle(220, 220, 125, 125);
nMask->fill(255, 255, 255, 255); //AlphaMask RGB channels are unused.
mask->composite(move(nMask), tvg::CompositeMethod::AlphaMask);
shape->composite(move(mask), tvg::CompositeMethod::AlphaMask);
canvas->push(move(shape));
@ -54,7 +61,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
auto mask2 = tvg::Shape::gen();
mask2->appendCircle(150, 500, 75, 75);
mask2->appendRect(150, 500, 200, 200, 30, 30);
mask2->fill(255, 255, 255, 255);
mask2->fill(255, 255, 255, 255); //AlphaMask RGB channels are unused.
svg->composite(move(mask2), tvg::CompositeMethod::AlphaMask);
if (canvas->push(move(svg)) != tvg::Result::Success) return;
@ -78,7 +85,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
//Mask3
auto mask3 = tvg::Shape::gen();
mask3->appendCircle(600, 200, 125, 125);
mask3->fill(255, 255, 255, 255);
mask3->fill(255, 255, 255, 255); //AlphaMask RGB channels are unused.
star->composite(move(mask3), tvg::CompositeMethod::AlphaMask);
if (canvas->push(move(star)) != tvg::Result::Success) return;
@ -86,7 +93,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
ifstream file(EXAMPLE_DIR"/rawimage_200x300.raw");
if (!file.is_open()) return;
auto data = (uint32_t*) malloc(sizeof(uint32_t) * (200 * 300));
file.read(reinterpret_cast<char *>(data), sizeof (uint32_t) * 200 * 300);
file.read(reinterpret_cast<char*>(data), sizeof (uint32_t) * 200 * 300);
file.close();
auto image = tvg::Picture::gen();
@ -106,7 +113,7 @@ void tvgDrawCmds(tvg::Canvas* canvas)
mask4->lineTo(426, 511);
mask4->lineTo(546, 493);
mask4->close();
mask4->fill(255, 255, 255, 70);
mask4->fill(255, 255, 255, 70); //AlphaMask RGB channels are unused.
image->composite(move(mask4), tvg::CompositeMethod::AlphaMask);
if (canvas->push(move(image)) != tvg::Result::Success) return;