Add some initial widget functionality (prefs partly working)

PortabilityLayer/PLIconWidget.cpp

@@ -0,0 +1,49 @@
+#include "PLIconWidget.h"
+
+#include "IconLoader.h"
+#include "QDPixMap.h"
+
+#include <assert.h>
+
+namespace PortabilityLayer
+{
+	IconWidget::IconWidget(const WidgetBasicState &state)
+		: WidgetSpec<IconWidget>(state)
+	{
+	}
+
+	IconWidget::~IconWidget()
+	{
+		if (m_iconImage)
+			PixMapImpl::Destroy(m_iconImage);
+		if (m_iconMask)
+			PixMapImpl::Destroy(m_iconMask);
+	}
+
+	bool IconWidget::Init(const WidgetBasicState &state)
+	{
+		PL_DEAD(str);
+
+		THandle<PixMapImpl> colorImage;
+		THandle<PixMapImpl> bwImage;
+		THandle<PixMapImpl> maskImage;
+
+		if (!PortabilityLayer::IconLoader::GetInstance()->LoadColorIcon(state.m_resID, colorImage, bwImage, maskImage))
+			return false;
+
+		PixMapImpl::Destroy(bwImage);
+		m_iconImage = colorImage;
+		m_iconMask = maskImage;
+
+		assert(m_iconImage != nullptr);
+		assert(m_iconMask != nullptr);
+
+		return true;
+	}
+
+	void IconWidget::DrawControl(DrawSurface *surface)
+	{
+		CopyMask(*m_iconImage, *m_iconMask, *surface->m_port.GetPixMap(), &(*m_iconImage)->m_rect, &(*m_iconMask)->m_rect, &m_rect);
+		surface->m_port.SetDirty(PortabilityLayer::QDPortDirtyFlag_Contents);
+	}
+}