Add test for ClipToPicture

This draws a rect clipped by a text, and a text clipped by a rect. They
should look the same, but they don't because of lack of antialiasing
support in ClipToPicture.

src/tests/servers/app/Jamfile

@@ -202,6 +202,7 @@ SubInclude HAIKU_TOP src tests servers app benchmark ;
 SubInclude HAIKU_TOP src tests servers app bitmap_bounds ;
 SubInclude HAIKU_TOP src tests servers app bitmap_drawing ;
 SubInclude HAIKU_TOP src tests servers app code_to_name ;
+SubInclude HAIKU_TOP src tests servers app clip_to_picture ;
 SubInclude HAIKU_TOP src tests servers app constrain_clipping_region ;
 SubInclude HAIKU_TOP src tests servers app copy_bits ;
 SubInclude HAIKU_TOP src tests servers app cursor_test ;

src/tests/servers/app/clip_to_picture/Jamfile

@@ -0,0 +1,17 @@
+SubDir HAIKU_TOP src tests servers app clip_to_picture ;
+
+SetSubDirSupportedPlatformsBeOSCompatible ;
+AddSubDirSupportedPlatforms libbe_test ;
+
+UseHeaders [ FDirName os app ] ;
+UseHeaders [ FDirName os interface ] ;
+
+SimpleTest ClipToPicture :
+	main.cpp
+	: be $(TARGET_LIBSUPC++)
+	;
+
+if ( $(TARGET_PLATFORM) = libbe_test ) {
+	HaikuInstall install-test-apps : $(HAIKU_APP_TEST_DIR) : ClipToPicture
+		: tests!apps ;
+}

src/tests/servers/app/clip_to_picture/main.cpp

@@ -0,0 +1,76 @@
+#include <stdio.h>
+#include <string.h>
+
+#include <Application.h>
+#include <Message.h>
+#include <Picture.h>
+#include <View.h>
+#include <Window.h>
+
+
+static const char* kAppSignature = "application/x.vnd-Haiku.ShapeTest";
+
+
+class TestView : public BView {
+public:
+								TestView(BRect frame, const char* name,
+									uint32 resizeFlags, uint32 flags);
+			void				AttachedToWindow();
+
+	virtual	void				Draw(BRect updateRect);
+};
+
+
+TestView::TestView(BRect frame, const char* name, uint32 resizeFlags,
+		uint32 flags)
+	:
+	BView(frame, name, resizeFlags, flags)
+{
+}
+
+
+void
+TestView::AttachedToWindow()
+{
+	BPicture picture;
+
+	BeginPicture(&picture);
+	DrawString("Hello World! - Clipping", BPoint(10, 10));
+
+	FillRect(BRect(0, 20, 400, 40));
+	EndPicture();
+
+	ClipToPicture(&picture);
+}
+
+
+void
+TestView::Draw(BRect updateRect)
+{
+	SetHighColor(ui_color(B_MENU_ITEM_TEXT_COLOR)); // opaque black.
+	DrawString("Hello World! - Clipped", BPoint(10, 30));
+	FillRect(BRect(0, 0, 200, 20));
+}
+
+
+// #pragma mark -
+
+
+int
+main(int argc, char** argv)
+{
+	BApplication app(kAppSignature);
+
+	BWindow* window = new BWindow(BRect(50.0, 50.0, 300.0, 250.0),
+		"ClipToPicture Test", B_TITLED_WINDOW,
+		B_ASYNCHRONOUS_CONTROLS | B_QUIT_ON_WINDOW_CLOSE);
+
+	BView* view = new TestView(window->Bounds(), "test", B_FOLLOW_ALL,
+		B_WILL_DRAW);
+	window->AddChild(view);
+
+	window->Show();
+
+	app.Run();
+	return 0;
+}