Remove titleblocktemplate cahing remains.

sources/titleblocktemplaterenderer.cpp

@@ -8,8 +8,7 @@
 */
 TitleBlockTemplateRenderer::TitleBlockTemplateRenderer(QObject *parent) :
 	QObject(parent),
-	m_titleblock_template(nullptr),
-	m_last_known_titleblock_width(-1)
+	m_titleblock_template(nullptr)
 {
 }
 
@@ -38,7 +37,6 @@ void TitleBlockTemplateRenderer::setTitleBlockTemplate(
 		const TitleBlockTemplate *titleblock_template) {
 	if (titleblock_template != m_titleblock_template) {
 		m_titleblock_template = titleblock_template;
-		invalidateRenderedTemplate();
 	}
 }
 
@@ -48,7 +46,6 @@ void TitleBlockTemplateRenderer::setTitleBlockTemplate(
 */
 void TitleBlockTemplateRenderer::setContext(const DiagramContext &context) {
 	m_context = context;
-	invalidateRenderedTemplate();
 }
 
 /**
@@ -106,30 +103,3 @@ void TitleBlockTemplateRenderer::renderDxf(QRectF &title_block_rect,
 					   file_path, color);
 }
 
-/**
-	@brief TitleBlockTemplateRenderer::renderToQPicture
-	Renders the titleblock to the internal QPicture
-	@param titleblock_width : Width of the titleblock to render
-*/
-void TitleBlockTemplateRenderer::renderToQPicture(int titleblock_width) {
-	if (!m_titleblock_template) return;
-	
-	// we render the template on our internal QPicture
-	QPainter painter(&m_rendered_template);
-	
-	m_titleblock_template -> render(painter, m_context, titleblock_width);
-	
-	// memorize the last known width
-	m_last_known_titleblock_width = titleblock_width;
-}
-
-/**
-	@brief TitleBlockTemplateRenderer::invalidateRenderedTemplate
-	Invalidates the previous rendering of the template
-	by resetting the internal QPicture.
-*/
-void TitleBlockTemplateRenderer::invalidateRenderedTemplate()
-{
-	m_rendered_template = QPicture();
-}
-