Use vector for PixelBuffer memory allocation. Use optimized render routines in some more painter algorithms. Fix capitalization of Canvas::getPixelBuffer method.

2 files changed, 34 insertions, 2 deletions

diff --git a/test/paintertest.cc b/test/paintertest.cc
index c6e8615..518a5ac 100644
--- a/test/paintertest.cc
+++ b/test/paintertest.cc
@@ -39,7 +39,7 @@ public:
 		: pixbuf(width, height)
 	{}
 
-	GUI::PixelBufferAlpha& GetPixelBuffer() override
+	GUI::PixelBufferAlpha& getPixelBuffer() override
 	{
 		return pixbuf;
 	}
diff --git a/test/uitests/benchmarktest.cc b/test/uitests/benchmarktest.cc
index 33defc6..aaf3946 100644
--- a/test/uitests/benchmarktest.cc
+++ b/test/uitests/benchmarktest.cc
@@ -37,11 +37,16 @@ class TimedCanvas
 	: public GUI::Canvas
 {
 public:
-	GUI::PixelBufferAlpha& GetPixelBuffer() override
+	GUI::PixelBufferAlpha& getPixelBuffer() override
 	{
 		return pixbuf;
 	}
 
+	void resize(std::size_t width, std::size_t height)
+	{
+		pixbuf.realloc(width, height);
+	}
+
 private:
 	GUI::PixelBufferAlpha pixbuf{800, 600};
 };
@@ -84,6 +89,33 @@ int main()
 	GUI::Image image_inner_alpha(":benchmarktest_resources/image_inner_alpha.png");
 
 	{
+		TimedCanvas canvas;
+		TimedScope timed("Pixelbuffer resize", 100000);
+		painter.setColour(GUI::Colour(1.f, 1.f, 1.f, 1.f));
+		for(int i = 0; i < 100000; ++i)
+		{
+			canvas.resize(i % 1000 + 100, i % 1000 + 100);
+		}
+	}
+
+	{
+		TimedScope timed("Filled rect, no alpha", 100000);
+		for(int i = 0; i < 100000; ++i)
+		{
+			painter.drawRectangle(0, 0, 800, 600);
+		}
+	}
+
+	{
+		TimedScope timed("Filled rect, with alpha", 100000);
+		painter.setColour(GUI::Colour(1.f, 1.f, 1.f, 0.5f));
+		for(int i = 0; i < 100000; ++i)
+		{
+			painter.drawRectangle(0, 0, 800, 600);
+		}
+	}
+
+	{
 		TimedScope timed("No scale, no alpha", 100000);
 		for(int i = 0; i < 100000; ++i)
 		{