Fix bug when drawing page with size inferior to view size

1 files changed, 11 insertions, 1 deletions

diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index b39a633..65b3dea 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -446,99 +446,109 @@ bool DrawPadCanvas::goPreviousPageEnabled()
     return (m_pages.current() != m_pages.getFirst());
 }
 
 bool DrawPadCanvas::goNextPageEnabled()
 {
     return (m_pages.current() != m_pages.getLast());
 }
 
 void DrawPadCanvas::undo()
 {
     *(m_pages.current()) = *(m_pageBackups.prev());
 
     viewport()->update();
 
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::redo()
 {
     *(m_pages.current()) = *(m_pageBackups.next());
 
     viewport()->update();
 
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::goFirstPage()
 {
     m_pages.first();
     m_pageBackups.clear();
     m_pageBackups.append(new QPixmap(*(m_pages.current())));
 
     resizeContents(m_pages.current()->width(), m_pages.current()->height());
     viewport()->update();
 
     emit pagesChanged();
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::goPreviousPage()
 {
     m_pages.prev();
     m_pageBackups.clear();
     m_pageBackups.append(new QPixmap(*(m_pages.current())));
 
     resizeContents(m_pages.current()->width(), m_pages.current()->height());
     viewport()->update();
 
     emit pagesChanged();
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::goNextPage()
 {
     m_pages.next();
     m_pageBackups.clear();
     m_pageBackups.append(new QPixmap(*(m_pages.current())));
 
     resizeContents(m_pages.current()->width(), m_pages.current()->height());
     viewport()->update();
 
     emit pagesChanged();
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::goLastPage()
 {
     m_pages.last();
     m_pageBackups.clear();
     m_pageBackups.append(new QPixmap(*(m_pages.current())));
 
     resizeContents(m_pages.current()->width(), m_pages.current()->height());
     viewport()->update();
 
     emit pagesChanged();
     emit pageBackupsChanged();
 }
 
 void DrawPadCanvas::contentsMousePressEvent(QMouseEvent* e)
 {
     m_pDrawPad->tool()->mousePressEvent(e);
 }
 
 void DrawPadCanvas::contentsMouseReleaseEvent(QMouseEvent* e)
 {
     m_pDrawPad->tool()->mouseReleaseEvent(e);
 }
 
 void DrawPadCanvas::contentsMouseMoveEvent(QMouseEvent* e)
 {
     m_pDrawPad->tool()->mouseMoveEvent(e);
 }
 
 void DrawPadCanvas::drawContents(QPainter* p, int cx, int cy, int cw, int ch)
 {
     QRect clipRect(cx, cy, cw, ch);
+    QRect pixmapRect(0, 0, m_pages.current()->width(), m_pages.current()->height());
+    QRect drawRect = pixmapRect.intersect(clipRect);
 
-    p->drawPixmap(clipRect.topLeft(), *(m_pages.current()), clipRect);
+    p->drawPixmap(drawRect.topLeft(), *(m_pages.current()), drawRect);
+
+    if (drawRect.right() < clipRect.right()) {
+        p->fillRect(drawRect.right() + 1, cy, cw - drawRect.width(), ch, colorGroup().dark());
+    }
+
+    if (drawRect.bottom() < clipRect.bottom()) {
+        p->fillRect(cx, drawRect.bottom() + 1, cw, ch - drawRect.height(), colorGroup().dark());
+    }
 }