Initial community commit

Src/Wasabi/api/wnd/wndclass/gradientwnd.cpp

@@ -0,0 +1,82 @@
+#include <precomp.h>
+
+#include "gradientwnd.h"
+
+
+// NOTE
+// works now ;)
+
+GradientWnd::GradientWnd()
+: bitmap(4,4, getOsWindowHandle())
+{
+	cache_w = cache_h = 4;
+	last_w = last_h = -1;
+	recreate = 1;
+	setReverseColors(TRUE);
+}
+
+GradientWnd::~GradientWnd() 
+{
+	WASABI_API_SYSCB->syscb_deregisterCallback(static_cast<SkinCallbackI*>(this));
+}
+
+int GradientWnd::onInit ()
+{
+	int r = GRADIENTWND_PARENT::onInit();
+	WASABI_API_SYSCB->syscb_registerCallback(static_cast<SkinCallbackI*>(this));
+	return r;
+}
+
+int GradientWnd::onPaint(Canvas *canvas) 
+{
+	ASSERT(canvas != NULL);
+	RECT cr = clientRect();
+
+	int w = cr.right - cr.left, h = cr.bottom - cr.top;
+	if (w && h)
+	{
+		if (w != last_w || h != last_h)
+		{
+			recreate=1;
+		}
+		if (w > cache_w || h > cache_h)
+		{
+			cache_w = max(w, cache_w);
+			cache_h = max(h, cache_h);
+			// round up to nearest 4
+			cache_w = (cache_w+3) & ~3;
+			cache_h = (cache_h+3) & ~3;
+
+			bitmap.DestructiveResize(cache_w,cache_h,32);
+			recreate = 1;
+		}
+
+		if (recreate) 
+		{
+			ARGB32 *bits = static_cast<ARGB32*>(bitmap.getBits());
+			renderGradient(bits, w, h, /*pitch=*/cache_w);
+			last_w = w;
+			last_h = h;
+			recreate=0;
+		}
+		RECT src = {0,0,w,h};
+		bitmap./*getSkinBitmap()->*/blitToRect(canvas, &src, &cr, getPaintingAlpha());
+		//bitmap./*getSkinBitmap()->*/blitAlpha(canvas, cr.left, cr.top, getPaintingAlpha());
+	}
+	return 1;
+}
+
+void GradientWnd::onParamChange() 
+{
+	invalidate();
+	recreate = 1;
+}
+
+int GradientWnd::skincb_onColorThemeChanged(const wchar_t *newcolortheme)
+{
+	// TODO: This will refresh after ca 1 sec - we need an instand redraw
+	invalidate();
+	recreate = 1;
+	return 0;
+}
+