examples: allow a desianted main thread capacity.

Maximum threads is not always peak the highest performance,
tvg examples guide user the proper threads count.

src/examples/AnimateMasking.cpp

@@ -176,6 +176,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Arc.cpp

@@ -172,6 +172,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Async.cpp

@@ -175,6 +175,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Blending.cpp

@@ -155,6 +155,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Boundary.cpp

@@ -144,6 +144,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/ClipPath.cpp

@@ -235,6 +235,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/CustomTransform.cpp

@@ -201,6 +201,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/DirectUpdate.cpp

@@ -174,6 +174,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Duplicate.cpp

@@ -222,6 +222,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/FillRule.cpp

@@ -138,6 +138,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/GradientStroke.cpp

@@ -208,6 +208,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/GradientTransform.cpp

@@ -229,6 +229,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/InvMasking.cpp

@@ -195,6 +195,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/LinearGradient.cpp

@@ -173,6 +173,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Masking.cpp

@@ -195,6 +195,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/MultiCanvas.cpp

@@ -215,6 +215,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/MultiShapes.cpp

@@ -133,6 +133,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Opacity.cpp

@@ -189,6 +189,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Path.cpp

@@ -150,6 +150,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/PathCopy.cpp

@@ -187,6 +187,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/PixelImage.cpp

@@ -154,6 +154,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/RadialGradient.cpp

@@ -173,6 +173,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Scene.cpp

@@ -180,6 +180,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/SceneTransform.cpp

@@ -225,6 +225,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Shape.cpp

@@ -123,6 +123,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Stacking.cpp

@@ -190,6 +190,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Stress.cpp

@@ -202,6 +202,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Stroke.cpp

@@ -181,6 +181,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/StrokeLine.cpp

@@ -255,6 +255,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Svg.cpp

@@ -163,6 +163,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Svg2.cpp

@@ -130,6 +130,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Transform.cpp

@@ -192,6 +192,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {

src/examples/Update.cpp

@@ -153,6 +153,7 @@ int main(int argc, char **argv)
 
     //Threads Count
     auto threads = std::thread::hardware_concurrency();
+    if (threads > 0) --threads;    //Allow the designated main thread capacity
 
     //Initialize ThorVG Engine
     if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {