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Fix memory leaks of cairo_t caused by ca7670d2fc, see #17697

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This commit is contained in:
Paul Cornett
2016-10-24 14:20:13 -07:00
parent fa4b077421
commit 3b27f7cebc
2 changed files with 4 additions and 5 deletions
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3
src/gtk/dataview.cpp
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@@ -1586,10 +1586,7 @@ gtk_wx_cell_renderer_render (GtkCellRenderer *renderer,
if (context)
nativeContext = context->GetNativeContext();
if (cr != nativeContext)
{
cairo_reference(cr);
dc->SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr));
}
#else
wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();

6
src/gtk/dc.cpp
View File

@@ -210,6 +210,7 @@ wxWindowDCImpl::wxWindowDCImpl(wxWindowDC* owner, wxWindow* window)
{
cairo_t* cr = gdk_cairo_create(gdkWindow);
wxGraphicsContext* gc = wxGraphicsContext::CreateFromNative(cr);
cairo_destroy(cr);
gc->EnableOffset(m_contentScaleFactor <= 1);
SetGraphicsContext(gc);
GtkAllocation a;
@@ -255,6 +256,7 @@ wxClientDCImpl::wxClientDCImpl(wxClientDC* owner, wxWindow* window)
{
cairo_t* cr = gdk_cairo_create(gdkWindow);
wxGraphicsContext* gc = wxGraphicsContext::CreateFromNative(cr);
cairo_destroy(cr);
gc->EnableOffset(m_contentScaleFactor <= 1);
SetGraphicsContext(gc);
if (gtk_widget_get_has_window(widget))
@@ -286,7 +288,6 @@ wxPaintDCImpl::wxPaintDCImpl(wxPaintDC* owner, wxWindow* window)
GdkWindow* gdkWindow = gtk_widget_get_window(window->m_wxwindow);
m_width = gdk_window_get_width(gdkWindow);
m_height = gdk_window_get_height(gdkWindow);
cairo_reference(cr);
wxGraphicsContext* gc = wxGraphicsContext::CreateFromNative(cr);
gc->EnableOffset(m_contentScaleFactor <= 1);
SetGraphicsContext(gc);
@@ -301,6 +302,7 @@ wxScreenDCImpl::wxScreenDCImpl(wxScreenDC* owner)
m_height = gdk_window_get_height(window);
cairo_t* cr = gdk_cairo_create(window);
wxGraphicsContext* gc = wxGraphicsContext::CreateFromNative(cr);
cairo_destroy(cr);
gc->EnableOffset(m_contentScaleFactor <= 1);
SetGraphicsContext(gc);
}
@@ -357,6 +359,7 @@ void wxMemoryDCImpl::Setup()
m_contentScaleFactor = m_bitmap.GetScaleFactor();
cairo_t* cr = m_bitmap.CairoCreate();
gc = wxGraphicsContext::CreateFromNative(cr);
cairo_destroy(cr);
gc->EnableOffset(m_contentScaleFactor <= 1);
}
SetGraphicsContext(gc);
@@ -366,7 +369,6 @@ void wxMemoryDCImpl::Setup()
wxGTKCairoDC::wxGTKCairoDC(cairo_t* cr, wxWindow* window)
: base_type(new wxGTKCairoDCImpl(this, window->GetContentScaleFactor()))
{
cairo_reference(cr);
wxGraphicsContext* gc = wxGraphicsContext::CreateFromNative(cr);
gc->EnableOffset(window->GetContentScaleFactor() <= 1);
SetGraphicsContext(gc);