Canvas preview widget is immediately sized (so that render dialog don't resize later)

src/interface/desktop/WidgetPreviewCanvas.cpp

@@ -10,7 +10,6 @@ WidgetPreviewCanvas::WidgetPreviewCanvas(QWidget *parent) :
     QWidget(parent), canvas(NULL)
 {
     pixbuf = new QImage();
-    inited = false;
 
     startTimer(500);
 }
@@ -21,8 +20,12 @@ WidgetPreviewCanvas::~WidgetPreviewCanvas()
 }
 
 void WidgetPreviewCanvas::setCanvas(const Canvas *canvas)
+{
+    if (not this->canvas)
     {
         this->canvas = canvas;
+        canvas->getPreview()->initLive(this);
+    }
 }
 
 void WidgetPreviewCanvas::paintEvent(QPaintEvent *)
@@ -58,12 +61,6 @@ void WidgetPreviewCanvas::timerEvent(QTimerEvent *)
 {
     if (canvas)
     {
-        if (!inited)
-        {
-            canvas->getPreview()->initLive(this);
-            inited = true;
-        }
-
         canvas->getPreview()->updateLive(this);
         update();
     }

src/interface/desktop/WidgetPreviewCanvas.h

@@ -21,6 +21,8 @@ public:
 
     /*!
      * \brief Set the canvas to watch and display, null to stop watching.
+     *
+     * This function must be called from the graphics thread.
      */
     void setCanvas(const Canvas *canvas);
 
@@ -35,7 +37,6 @@ protected:
 private:
     QImage* pixbuf;
     const Canvas *canvas;
-    bool inited;
 };
 
 }

src/interface/desktop/common/freeformhelper.cpp

@@ -247,16 +247,16 @@ void FreeFormHelper::processExploreClicked()
 
 void FreeFormHelper::processRenderClicked()
 {
+    RenderConfig params(400, 300, 1, 3);
+
     SoftwareCanvasRenderer renderer;
+    renderer.setConfig(params);
     renderer.setScenery(DesktopScenery::getCurrent());
 
     emit needAlterRenderer(&renderer);
 
-    DialogRender* dialog = new DialogRender(_form_widget, &renderer);
-    RenderConfig params(400, 300, 1, 3);
-    dialog->startRender(params);
-
-    delete dialog;
+    DialogRender dialog(_form_widget, &renderer);
+    dialog.startRender();
 }
 
 void FreeFormHelper::processDecimalChange(double value)

src/interface/desktop/dialogrender.cpp

@@ -18,7 +18,6 @@
 #include <QComboBox>
 #include "tools.h"
 
-#include "RenderConfig.h"
 #include "Scenery.h"
 #include "ColorProfile.h"
 #include "SoftwareCanvasRenderer.h"
@@ -27,22 +26,19 @@
 class RenderThread:public QThread
 {
 public:
-    RenderThread(DialogRender* dialog, SoftwareCanvasRenderer* renderer, const RenderConfig &params):QThread()
+    RenderThread(DialogRender* dialog, SoftwareCanvasRenderer* renderer):QThread()
     {
         _dialog = dialog;
         _renderer = renderer;
-        _params = params;
     }
     void run()
     {
-        // FIXME Pass config to render
         _renderer->render();
         _dialog->tellRenderEnded();
     }
 private:
     DialogRender* _dialog;
     SoftwareCanvasRenderer* _renderer;
-    RenderConfig _params;
 };
 
 DialogRender::DialogRender(QWidget *parent, SoftwareCanvasRenderer* renderer):
@@ -98,7 +94,6 @@ DialogRender::DialogRender(QWidget *parent, SoftwareCanvasRenderer* renderer):
     _actions->layout()->addWidget(_save_button);
 
     // Connections
-    //connect(this, SIGNAL(renderSizeChanged(int, int)), this, SLOT(applyRenderSize(int, int)));
     connect(this, SIGNAL(progressChanged(double)), this, SLOT(applyProgress(double)));
     connect(this, SIGNAL(renderEnded()), this, SLOT(applyRenderEnded()));
     connect(_save_button, SIGNAL(clicked()), this, SLOT(saveRender()));
@@ -119,11 +114,6 @@ DialogRender::~DialogRender()
     delete pixbuf_lock;
 }
 
-void DialogRender::tellRenderSize(int width, int height)
-{
-    emit renderSizeChanged(width, height);
-}
-
 void DialogRender::tellProgressChange(double value)
 {
     emit progressChanged(value);
@@ -134,13 +124,11 @@ void DialogRender::tellRenderEnded()
     emit renderEnded();
 }
 
-void DialogRender::startRender(const RenderConfig &params)
+void DialogRender::startRender()
 {
     _started = time(NULL);
 
-    canvas_renderer->setSize(params.width, params.height, params.antialias);
-
-    _render_thread = new RenderThread(this, canvas_renderer, params);
+    _render_thread = new RenderThread(this, canvas_renderer);
     _render_thread->start();
 
     exec();

src/interface/desktop/dialogrender.h

@@ -21,10 +21,9 @@ public:
     explicit DialogRender(QWidget *parent, SoftwareCanvasRenderer* renderer);
     ~DialogRender();
 
-    void tellRenderSize(int width, int height);
     void tellProgressChange(double value);
     void tellRenderEnded();
-    void startRender(const RenderConfig &params);
+    void startRender();
     void loadLastRender();
 
     QImage* pixbuf;
@@ -37,7 +36,6 @@ private slots:
     void toneMappingChanged();
 
 signals:
-    void renderSizeChanged(int width, int height);
     void progressChanged(double value);
     void renderEnded();
 

src/interface/desktop/formrender.cpp

@@ -103,15 +103,16 @@ void FormRender::startQuickRender()
     {
         delete _renderer;
     }
+
+    RenderConfig config(400, 300, 1, 3);
+
     _renderer = new SoftwareCanvasRenderer();
     _renderer->setScenery(DesktopScenery::getCurrent());
+    _renderer->setConfig(config);
     _renderer_inited = true;
 
-    DialogRender* dialog = new DialogRender(this, _renderer);
-    RenderConfig params(400, 300, 1, 3);
-    dialog->startRender(params);
-
-    delete dialog;
+    DialogRender dialog(this, _renderer);
+    dialog.startRender();
 }
 
 void FormRender::startRender()
@@ -122,21 +123,18 @@ void FormRender::startRender()
     }
     _renderer = new SoftwareCanvasRenderer();
     _renderer->setScenery(DesktopScenery::getCurrent());
+    _renderer->setConfig(_params);
     _renderer_inited = true;
 
-    DialogRender* dialog = new DialogRender(this, _renderer);
-    dialog->startRender(_params);
-
-    delete dialog;
+    DialogRender dialog(this, _renderer);
+    dialog.startRender();
 }
 
 void FormRender::showRender()
 {
     if (_renderer_inited)
     {
-        DialogRender* dialog = new DialogRender(this, _renderer);
-        dialog->loadLastRender();
-
-        delete dialog;
+        DialogRender dialog(this, _renderer);
+        dialog.loadLastRender();
     }
 }

src/render/software/SoftwareCanvasRenderer.cpp

@@ -10,6 +10,7 @@
 #include "ParallelWork.h"
 #include "CanvasPortion.h"
 #include "CanvasPixelShader.h"
+#include "RenderConfig.h"
 
 SoftwareCanvasRenderer::SoftwareCanvasRenderer()
 {
@@ -34,6 +35,15 @@ SoftwareCanvasRenderer::~SoftwareCanvasRenderer()
     }
 }
 
+void SoftwareCanvasRenderer::setConfig(const RenderConfig &config)
+{
+    if (not started)
+    {
+        setSize(config.width, config.height, config.antialias);
+        render_quality = config.quality;
+    }
+}
+
 void SoftwareCanvasRenderer::setSize(int width, int height, int samples)
 {
     if (not started)
@@ -44,9 +54,7 @@ void SoftwareCanvasRenderer::setSize(int width, int height, int samples)
 
 void SoftwareCanvasRenderer::render()
 {
-    // TEMP
     started = true;
-    render_quality = 3;
 
     render_camera->setRenderSize(canvas->getWidth(), canvas->getHeight());
 

src/render/software/SoftwareCanvasRenderer.h

@@ -24,6 +24,11 @@ public:
 
     inline const Canvas *getCanvas() const {return canvas;}
 
+    /**
+     * Set the renderer configuration.
+     */
+    void setConfig(const RenderConfig &config);
+
     /**
      * @brief Set the rendering size in pixels.
      *