From 1a193f4e78b62685f294cc1534832cce0655d446 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Lemaire?= <michael@thunderk.net>
Date: Sun, 5 May 2013 13:37:06 +0000
Subject: [PATCH] paysages: Terrain painting dialog (WIP)

git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@563 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
---
 TODO                                          |   7 +-
 data/ui_pictures.qrc                          |   7 +
 .../common/widgetglobalformbuttons.cpp        |  32 ++
 src/editing/common/widgetglobalformbuttons.h  |  27 ++
 src/editing/common/widgetglobalformbuttons.ui |  85 ++++
 src/editing/dialogheightmap.cpp               | 171 -------
 src/editing/dialogheightmap.h                 |  35 --
 src/editing/formterrain.cpp                   |   9 +-
 src/editing/paysages-qt.pro                   |  99 +++-
 src/editing/terrain/dialogterrainpainting.cpp |  98 ++++
 src/editing/terrain/dialogterrainpainting.h   |  34 ++
 src/editing/terrain/dialogterrainpainting.ui  | 455 ++++++++++++++++++
 src/editing/terrain/paintingbrush.cpp         | 120 +++++
 src/editing/terrain/paintingbrush.h           |  46 ++
 src/editing/tools.cpp                         |  29 ++
 src/editing/tools.h                           |   2 +
 src/editing/widgetheightmap.cpp               | 156 ++----
 src/editing/widgetheightmap.h                 |  18 +-
 src/rendering/camera.c                        |   2 +-
 src/rendering/rendering.pro                   | 126 +++++
 20 files changed, 1214 insertions(+), 344 deletions(-)
 create mode 100644 data/ui_pictures.qrc
 create mode 100644 src/editing/common/widgetglobalformbuttons.cpp
 create mode 100644 src/editing/common/widgetglobalformbuttons.h
 create mode 100644 src/editing/common/widgetglobalformbuttons.ui
 delete mode 100644 src/editing/dialogheightmap.cpp
 delete mode 100644 src/editing/dialogheightmap.h
 create mode 100644 src/editing/terrain/dialogterrainpainting.cpp
 create mode 100644 src/editing/terrain/dialogterrainpainting.h
 create mode 100644 src/editing/terrain/dialogterrainpainting.ui
 create mode 100644 src/editing/terrain/paintingbrush.cpp
 create mode 100644 src/editing/terrain/paintingbrush.h
 create mode 100644 src/rendering/rendering.pro

diff --git a/TODO b/TODO
index 2d6c216..bc79486 100644
--- a/TODO
+++ b/TODO
@@ -1,7 +1,6 @@
 Technology Preview 2 :
 - Finalize terrain editor.
    => Add a generation dialog for base noise (overwriting changes).
-   => Implement chunks merging (with max size control).
 - Get rid of noise dialogs, for simpler settings.
 - Finalize lighting/clouds refactoring
    => Restore cloud lighting
@@ -14,10 +13,8 @@ Technology Preview 2 :
 - Translations.
 
 Technlogy Preview 3 :
-- Start using unit testing.
-- Improve terrain 3D editor:
-   => Add a map preview with edit area highlighted.
-   => Allow zooming and simplified camera control.
+- Start an undo/redo system ?
+- Add a map preview to terrain editor.
 - Better time selection widget for atmosphere.
 - Clouds should keep distance to ground.
 - Find a proper model for night sky (maybe Shirley).
diff --git a/data/ui_pictures.qrc b/data/ui_pictures.qrc
new file mode 100644
index 0000000..3c3d55b
--- /dev/null
+++ b/data/ui_pictures.qrc
@@ -0,0 +1,7 @@
+<RCC>
+    <qresource prefix="/buttons/logo">
+        <file>images/apply.png</file>
+        <file>images/cancel.png</file>
+        <file>images/revert.png</file>
+    </qresource>
+</RCC>
diff --git a/src/editing/common/widgetglobalformbuttons.cpp b/src/editing/common/widgetglobalformbuttons.cpp
new file mode 100644
index 0000000..0e1083b
--- /dev/null
+++ b/src/editing/common/widgetglobalformbuttons.cpp
@@ -0,0 +1,32 @@
+#include "widgetglobalformbuttons.h"
+#include "ui_widgetglobalformbuttons.h"
+
+WidgetGlobalFormButtons::WidgetGlobalFormButtons(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::WidgetGlobalFormButtons)
+{
+    QPushButton* button;
+
+    ui->setupUi(this);
+
+    button = findChild<QPushButton*>("button_ok");
+    if (button)
+    {
+        connect(button, SIGNAL(clicked()), this, SIGNAL(okClicked()));
+    }
+    button = findChild<QPushButton*>("button_cancel");
+    if (button)
+    {
+        connect(button, SIGNAL(clicked()), this, SIGNAL(cancelClicked()));
+    }
+    button = findChild<QPushButton*>("button_revert");
+    if (button)
+    {
+        connect(button, SIGNAL(clicked()), this, SIGNAL(revertClicked()));
+    }
+}
+
+WidgetGlobalFormButtons::~WidgetGlobalFormButtons()
+{
+    delete ui;
+}
diff --git a/src/editing/common/widgetglobalformbuttons.h b/src/editing/common/widgetglobalformbuttons.h
new file mode 100644
index 0000000..0c00f66
--- /dev/null
+++ b/src/editing/common/widgetglobalformbuttons.h
@@ -0,0 +1,27 @@
+#ifndef WIDGETGLOBALFORMBUTTONS_H
+#define WIDGETGLOBALFORMBUTTONS_H
+
+#include <QWidget>
+
+namespace Ui {
+class WidgetGlobalFormButtons;
+}
+
+class WidgetGlobalFormButtons : public QWidget
+{
+    Q_OBJECT
+    
+public:
+    explicit WidgetGlobalFormButtons(QWidget *parent = 0);
+    ~WidgetGlobalFormButtons();
+
+signals:
+    void okClicked();
+    void revertClicked();
+    void cancelClicked();
+    
+private:
+    Ui::WidgetGlobalFormButtons *ui;
+};
+
+#endif // WIDGETGLOBALFORMBUTTONS_H
diff --git a/src/editing/common/widgetglobalformbuttons.ui b/src/editing/common/widgetglobalformbuttons.ui
new file mode 100644
index 0000000..ff5bfdd
--- /dev/null
+++ b/src/editing/common/widgetglobalformbuttons.ui
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>WidgetGlobalFormButtons</class>
+ <widget class="QWidget" name="WidgetGlobalFormButtons">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>560</width>
+    <height>43</height>
+   </rect>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>16777215</width>
+    <height>50</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout_2">
+   <item>
+    <widget class="QPushButton" name="button_cancel">
+     <property name="minimumSize">
+      <size>
+       <width>0</width>
+       <height>25</height>
+      </size>
+     </property>
+     <property name="text">
+      <string>Cancel</string>
+     </property>
+     <property name="icon">
+      <iconset resource="../../../data/ui_pictures.qrc">
+       <normaloff>:/buttons/logo/images/cancel.png</normaloff>:/buttons/logo/images/cancel.png</iconset>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QPushButton" name="button_revert">
+     <property name="minimumSize">
+      <size>
+       <width>0</width>
+       <height>25</height>
+      </size>
+     </property>
+     <property name="text">
+      <string>Revert modifications</string>
+     </property>
+     <property name="icon">
+      <iconset resource="../../../data/ui_pictures.qrc">
+       <normaloff>:/buttons/logo/images/revert.png</normaloff>:/buttons/logo/images/revert.png</iconset>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QPushButton" name="button_ok">
+     <property name="minimumSize">
+      <size>
+       <width>0</width>
+       <height>25</height>
+      </size>
+     </property>
+     <property name="text">
+      <string>Validate</string>
+     </property>
+     <property name="icon">
+      <iconset resource="../../../data/ui_pictures.qrc">
+       <normaloff>:/buttons/logo/images/apply.png</normaloff>:/buttons/logo/images/apply.png</iconset>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="../../../data/ui_pictures.qrc"/>
+ </resources>
+ <connections/>
+ <slots>
+  <signal>applyClicked()</signal>
+  <signal>revertClicked()</signal>
+  <signal>cancelClicked()</signal>
+ </slots>
+</ui>
diff --git a/src/editing/dialogheightmap.cpp b/src/editing/dialogheightmap.cpp
deleted file mode 100644
index 81fd5ab..0000000
--- a/src/editing/dialogheightmap.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-#include "dialogheightmap.h"
-
-#include <QLabel>
-#include <QBoxLayout>
-#include <QGridLayout>
-#include <QPushButton>
-#include <QComboBox>
-#include <QSlider>
-#include <QFileDialog>
-#include <QInputDialog>
-#include <math.h>
-#include "rendering/scenery.h"
-#include "widgetheightmap.h"
-
-/**************** Dialog form ****************/
-DialogHeightMap::DialogHeightMap(QWidget* parent, TerrainDefinition* terrain) : DialogWithPreview(parent)
-{
-    QWidget* mainarea;
-    QWidget* buttons;
-    QWidget* panel;
-
-    QLabel* label;
-    QSlider* slider;
-    QPushButton* button;
-    QComboBox* combobox;
-
-    _value_original = terrain;
-    _value_modified = (TerrainDefinition*)TerrainDefinitionClass.create();
-    TerrainDefinitionClass.copy(_value_original, _value_modified);
-    setLayout(new QVBoxLayout());
-
-    // Dialog layout (main area + buttons)
-    mainarea = new QWidget(this);
-    mainarea->setLayout(new QHBoxLayout());
-    this->layout()->addWidget(mainarea);
-
-    buttons = new QWidget(this);
-    buttons->setLayout(new QHBoxLayout());
-    buttons->layout()->setAlignment(buttons, Qt::AlignBottom);
-    this->layout()->addWidget(buttons);
-
-    // Main area layout (viewer + panel)
-    _3dview = new WidgetHeightMap(mainarea, _value_modified);
-    connect(_3dview, SIGNAL(heightmapChanged()), this, SLOT(heightmapChanged()));
-    mainarea->layout()->addWidget(_3dview);
-
-    panel = new QWidget(mainarea);
-    panel->setLayout(new QVBoxLayout());
-    mainarea->layout()->addWidget(panel);
-    mainarea->layout()->setAlignment(panel, Qt::AlignTop);
-
-    // Panel layout
-    _info_memory = new QLabel(panel);
-    panel->layout()->addWidget(_info_memory);
-
-    /*button = new QPushButton(tr("Load from picture file"), panel);
-    connect(button, SIGNAL(clicked()), this, SLOT(loadFromFile()));
-    panel->layout()->addWidget(button);*/
-
-    combobox = new QComboBox(panel);
-    combobox->addItem(tr("Raise / lower"));
-    combobox->addItem(tr("Add noise / smooth"));
-    combobox->addItem(tr("Restore to original"));
-    connect(combobox, SIGNAL(currentIndexChanged(int)), this, SLOT(brushModeChanged(int)));
-    panel->layout()->addWidget(combobox);
-
-    label = new QLabel(tr("Brush size"), panel);
-    panel->layout()->addWidget(label);
-
-    slider = new QSlider(Qt::Horizontal, panel);
-    slider->setRange(6, 300);
-    connect(slider, SIGNAL(valueChanged(int)), this, SLOT(brushSizeChanged(int)));
-    panel->layout()->addWidget(slider);
-    slider->setValue(60);
-
-    label = new QLabel(tr("Brush smoothing"), panel);
-    panel->layout()->addWidget(label);
-
-    slider = new QSlider(Qt::Horizontal, panel);
-    slider->setRange(0, 1000);
-    connect(slider, SIGNAL(valueChanged(int)), this, SLOT(brushSmoothingChanged(int)));
-    panel->layout()->addWidget(slider);
-    slider->setValue(600);
-
-    label = new QLabel(tr("Brush strength"), panel);
-    panel->layout()->addWidget(label);
-
-    slider = new QSlider(Qt::Horizontal, panel);
-    slider->setRange(0, 1000);
-    connect(slider, SIGNAL(valueChanged(int)), this, SLOT(brushStrengthChanged(int)));
-    panel->layout()->addWidget(slider);
-    slider->setValue(200);
-
-    // Buttons layout
-    button = new QPushButton(tr("Cancel"), buttons);
-    button->setIcon(QIcon(getDataPath("images/cancel.png")));
-    buttons->layout()->addWidget(button);
-    QObject::connect(button, SIGNAL(clicked()), this, SLOT(reject()));
-
-    button = new QPushButton(tr("Revert"), buttons);
-    button->setIcon(QIcon(getDataPath("images/revert.png")));
-    buttons->layout()->addWidget(button);
-    QObject::connect(button, SIGNAL(clicked()), this, SLOT(revert()));
-
-    button = new QPushButton(tr("Validate"), buttons);
-    button->setIcon(QIcon(getDataPath("images/apply.png")));
-    buttons->layout()->addWidget(button);
-    QObject::connect(button, SIGNAL(clicked()), this, SLOT(accept()));
-
-    setWindowTitle(tr("Paysages 3D - Height map painting"));
-}
-
-bool DialogHeightMap::editHeightMap(QWidget* parent, TerrainDefinition* terrain)
-{
-    int result;
-
-    DialogHeightMap* dialog = new DialogHeightMap(parent, terrain);
-    result = dialog->exec();
-
-    delete dialog;
-
-    return (result != 0) ? true : false;
-}
-
-void DialogHeightMap::accept()
-{
-    TerrainDefinitionClass.copy(_value_modified, _value_original);
-    QDialog::accept();
-}
-
-void DialogHeightMap::revert()
-{
-    TerrainDefinitionClass.copy(_value_original, _value_modified);
-    _3dview->revert();
-}
-
-void DialogHeightMap::brushModeChanged(int value)
-{
-    _3dview->setBrushMode((HeightMapBrushMode)value);
-}
-
-void DialogHeightMap::brushSizeChanged(int value)
-{
-    _3dview->setBrushSize((double)value / 10.0);
-}
-
-void DialogHeightMap::brushSmoothingChanged(int value)
-{
-    _3dview->setBrushSmoothing((double)value / 1000.0);
-}
-
-void DialogHeightMap::brushStrengthChanged(int value)
-{
-    _3dview->setBrushStrength((double)value / 2000.0);
-}
-
-void DialogHeightMap::heightmapChanged()
-{
-    _info_memory->setText(tr("Memory used: %1").arg(_3dview->getMemoryStats()));
-}
-
-/*void DialogHeightMap::loadFromFile()
-{
-    QString filepath = QFileDialog::getOpenFileName(this, tr("Paysages 3D - Choose a picture to load"), QString(), tr("Images (*.jpg *.jpeg *.bmp *.png)"));
-    if (!filepath.isNull())
-    {
-        heightmapImportFromPicture(&_value_modified, (char*) filepath.toStdString().c_str());
-        _3dview->revert();
-        updateResolutionLabel();
-    }
-}*/
diff --git a/src/editing/dialogheightmap.h b/src/editing/dialogheightmap.h
deleted file mode 100644
index 23c0c47..0000000
--- a/src/editing/dialogheightmap.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#ifndef _PAYSAGES_QT_DIALOGHEIGHTMAP_H_
-#define _PAYSAGES_QT_DIALOGHEIGHTMAP_H_
-
-#include <QLabel>
-#include "rendering/terrain/public.h"
-#include "tools.h"
-#include "widgetheightmap.h"
-
-class DialogHeightMap : public DialogWithPreview
-{
-    Q_OBJECT
-public:
-    explicit DialogHeightMap(QWidget* parent, TerrainDefinition* terrain);
-    static bool editHeightMap(QWidget* parent, TerrainDefinition* terrain);
-
-public slots:
-    virtual void accept();
-    void revert();
-
-private slots:
-    void brushModeChanged(int value);
-    void brushSizeChanged(int value);
-    void brushSmoothingChanged(int value);
-    void brushStrengthChanged(int value);
-    void heightmapChanged();
-    //void loadFromFile();
-
-private:
-    TerrainDefinition* _value_original;
-    TerrainDefinition* _value_modified;
-    QLabel* _info_memory;
-    WidgetHeightMap* _3dview;
-};
-
-#endif
diff --git a/src/editing/formterrain.cpp b/src/editing/formterrain.cpp
index eb25985..36579c3 100644
--- a/src/editing/formterrain.cpp
+++ b/src/editing/formterrain.cpp
@@ -4,6 +4,7 @@
 #include <QSlider>
 #include "tools.h"
 #include "dialogheightmap.h"
+#include "terrain/dialogterrainpainting.h"
 #include "rendering/scenery.h"
 
 static TerrainDefinition* _definition;
@@ -76,8 +77,12 @@ void FormTerrain::configChangeEvent()
 
 void FormTerrain::startPainting()
 {
-    if (DialogHeightMap::editHeightMap(this, _definition))
+    DialogTerrainPainting* dialog = new DialogTerrainPainting(this, _definition);
+    dialog->exec();
+    delete dialog;
+
+    /*if (DialogHeightMap::editHeightMap(this, _definition))
     {
         configChangeEvent();
-    }
+    }*/
 }
diff --git a/src/editing/paysages-qt.pro b/src/editing/paysages-qt.pro
index e53dcaf..41f89b4 100644
--- a/src/editing/paysages-qt.pro
+++ b/src/editing/paysages-qt.pro
@@ -17,9 +17,104 @@ LIBS += -lGLU
 unix:LIBS += -L$$DESTDIR -lpaysages_rendering -lpaysages_exploring
 win32:LIBS += ../libpaysages.a ../libpaysages_exploring.a -lDevIL -lILU -lILUT -lglib-2.0 -lgthread-2.0
 
-HEADERS += $$files(*.h) $$files(../rendering/*.h) $$files(../rendering/shared/*.h) $$files(../exploring/*.h)
-SOURCES += $$files(*.cpp)
 TRANSLATIONS = $$PROJECT_PATH/data/i18n/paysages_fr.ts
 
 #system(lupdate paysages-qt.pro)
 #system(lrelease $$TRANSLATIONS)
+
+HEADERS += \
+    widgetheightmap.h \
+    widgetexplorer.h \
+    widgetcurveeditor.h \
+    tools.h \
+    previewosd.h \
+    previewmaterial.h \
+    previewcolorgradation.h \
+    mainwindow.h \
+    inputnoise.h \
+    inputmaterial.h \
+    inputlayers.h \
+    inputint.h \
+    inputenum.h \
+    inputdouble.h \
+    inputcurve.h \
+    inputcolorgradation.h \
+    inputcolor.h \
+    inputcamera.h \
+    inputboolean.h \
+    formwater.h \
+    formtextures.h \
+    formterrain.h \
+    formrender.h \
+    formmaterial.h \
+    formclouds.h \
+    formatmosphere.h \
+    explorerchunkterrain.h \
+    explorerchunksky.h \
+    dialogrender.h \
+    dialognoise.h \
+    dialogmaterial.h \
+    dialoglayers.h \
+    dialogexplorer.h \
+    dialogcurve.h \
+    dialogcolorgradation.h \
+    basepreview.h \
+    baseinput.h \
+    baseformlayer.h \
+    baseform.h \
+    baseexplorerchunk.h \
+    terrain/dialogterrainpainting.h \
+    common/widgetglobalformbuttons.h \
+    terrain/paintingbrush.h
+
+SOURCES += \
+    widgetheightmap.cpp \
+    widgetexplorer.cpp \
+    widgetcurveeditor.cpp \
+    tools.cpp \
+    previewosd.cpp \
+    previewmaterial.cpp \
+    previewcolorgradation.cpp \
+    mainwindow.cpp \
+    inputnoise.cpp \
+    inputmaterial.cpp \
+    inputlayers.cpp \
+    inputint.cpp \
+    inputenum.cpp \
+    inputdouble.cpp \
+    inputcurve.cpp \
+    inputcolorgradation.cpp \
+    inputcolor.cpp \
+    inputcamera.cpp \
+    inputboolean.cpp \
+    formwater.cpp \
+    formtextures.cpp \
+    formterrain.cpp \
+    formrender.cpp \
+    formmaterial.cpp \
+    formclouds.cpp \
+    formatmosphere.cpp \
+    explorerchunkterrain.cpp \
+    explorerchunksky.cpp \
+    dialogrender.cpp \
+    dialognoise.cpp \
+    dialogmaterial.cpp \
+    dialoglayers.cpp \
+    dialogexplorer.cpp \
+    dialogcurve.cpp \
+    dialogcolorgradation.cpp \
+    basepreview.cpp \
+    baseinput.cpp \
+    baseformlayer.cpp \
+    baseform.cpp \
+    baseexplorerchunk.cpp \
+    terrain/dialogterrainpainting.cpp \
+    common/widgetglobalformbuttons.cpp \
+    terrain/paintingbrush.cpp
+
+FORMS += \
+    terrain/dialogterrainpainting.ui \
+    common/widgetglobalformbuttons.ui
+
+RESOURCES += \
+    ../../data/ui_pictures.qrc
diff --git a/src/editing/terrain/dialogterrainpainting.cpp b/src/editing/terrain/dialogterrainpainting.cpp
new file mode 100644
index 0000000..5041ed7
--- /dev/null
+++ b/src/editing/terrain/dialogterrainpainting.cpp
@@ -0,0 +1,98 @@
+#include "dialogterrainpainting.h"
+#include "ui_dialogterrainpainting.h"
+
+#include "tools.h"
+
+DialogTerrainPainting::DialogTerrainPainting(QWidget*parent, TerrainDefinition* terrain) :
+    QDialog(parent),
+    ui(new Ui::DialogTerrainPainting)
+{
+    ui->setupUi(this);
+
+    _terrain_original = terrain;
+    _terrain_modified = (TerrainDefinition*)TerrainDefinitionClass.create();
+
+    revert();
+
+    brushConfigChanged();
+}
+
+DialogTerrainPainting::~DialogTerrainPainting()
+{
+    delete ui;
+}
+
+void DialogTerrainPainting::accept()
+{
+    TerrainDefinitionClass.copy(_terrain_modified, _terrain_original);
+    QDialog::accept();
+}
+
+void DialogTerrainPainting::revert()
+{
+    TerrainDefinitionClass.copy(_terrain_original, _terrain_modified);
+
+    WidgetHeightMap* heightmap = findChild<WidgetHeightMap*>("widget_heightmap");
+    if (heightmap)
+    {
+        heightmap->setTerrain(_terrain_modified);
+        heightmap->setBrush(&_brush);
+    }
+}
+
+void DialogTerrainPainting::brushConfigChanged()
+{
+    QComboBox* combobox;
+    QSlider* slider;
+
+    // Fill brush object
+    combobox = findChild<QComboBox*>("input_brush_mode");
+    if (combobox)
+    {
+        _brush.setMode((PaintingBrushMode)combobox->currentIndex());
+    }
+    slider = findChild<QSlider*>("input_brush_size");
+    if (slider)
+    {
+        _brush.setSize(slider);
+    }
+    slider = findChild<QSlider*>("input_brush_smoothing");
+    if (slider)
+    {
+        _brush.setSmoothing(slider);
+    }
+    slider = findChild<QSlider*>("input_brush_strength");
+    if (slider)
+    {
+        _brush.setStrength(slider);
+    }
+
+    // Update brush description
+
+    // Update brush preview
+
+    // Tell to 3D widget
+    WidgetHeightMap* heightmap = findChild<WidgetHeightMap*>("widget_heightmap");
+    if (heightmap)
+    {
+        heightmap->setBrush(&_brush);
+    }
+}
+
+void DialogTerrainPainting::heightmapChanged()
+{
+    QLabel* label = findChild<QLabel*>("label_memory_consumption");
+    if (label)
+    {
+        qint64 memused = terrainGetMemoryStats(_terrain_modified);
+        label->setText(tr("Memory used: %1").arg(getHumanMemory(memused)));
+
+        // TODO Find available memory
+        QProgressBar* progress = findChild<QProgressBar*>("progress_memory_consumption");
+        if (progress)
+        {
+            progress->setMaximum(1024);
+            progress->setValue(memused / 1024);
+        }
+    }
+}
diff --git a/src/editing/terrain/dialogterrainpainting.h b/src/editing/terrain/dialogterrainpainting.h
new file mode 100644
index 0000000..d45b9da
--- /dev/null
+++ b/src/editing/terrain/dialogterrainpainting.h
@@ -0,0 +1,34 @@
+#ifndef DIALOGTERRAINPAINTING_H
+#define DIALOGTERRAINPAINTING_H
+
+#include <QDialog>
+#include "paintingbrush.h"
+#include "rendering/terrain/public.h"
+
+namespace Ui {
+class DialogTerrainPainting;
+}
+
+class DialogTerrainPainting : public QDialog
+{
+    Q_OBJECT
+    
+public:
+    explicit DialogTerrainPainting(QWidget *parent, TerrainDefinition* terrain);
+    ~DialogTerrainPainting();
+
+public slots:
+    void brushConfigChanged();
+    void heightmapChanged();
+    virtual void accept();
+    void revert();
+
+private:
+    Ui::DialogTerrainPainting *ui;
+
+    TerrainDefinition* _terrain_modified;
+    TerrainDefinition* _terrain_original;
+    PaintingBrush _brush;
+};
+
+#endif // DIALOGTERRAINPAINTING_H
diff --git a/src/editing/terrain/dialogterrainpainting.ui b/src/editing/terrain/dialogterrainpainting.ui
new file mode 100644
index 0000000..b1fb372
--- /dev/null
+++ b/src/editing/terrain/dialogterrainpainting.ui
@@ -0,0 +1,455 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DialogTerrainPainting</class>
+ <widget class="QDialog" name="DialogTerrainPainting">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>912</width>
+    <height>619</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="MinimumExpanding" vsizetype="Preferred">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Paysages 3D - Terrain painting</string>
+  </property>
+  <property name="sizeGripEnabled">
+   <bool>true</bool>
+  </property>
+  <property name="modal">
+   <bool>true</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="WidgetHeightMap" name="widget_heightmap" native="true">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="MinimumExpanding" vsizetype="Preferred">
+         <horstretch>1</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>400</width>
+         <height>400</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QWidget" name="verticalWidget" native="true">
+       <property name="maximumSize">
+        <size>
+         <width>450</width>
+         <height>16777215</height>
+        </size>
+       </property>
+       <layout class="QVBoxLayout" name="verticalLayout_3">
+        <item>
+         <widget class="QWidget" name="widget_2" native="true">
+          <layout class="QVBoxLayout" name="verticalLayout_4">
+           <item>
+            <layout class="QFormLayout" name="formLayout">
+             <property name="fieldGrowthPolicy">
+              <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
+             </property>
+             <item row="0" column="0">
+              <widget class="QLabel" name="label_2">
+               <property name="text">
+                <string>Brush Tool : </string>
+               </property>
+              </widget>
+             </item>
+             <item row="0" column="1">
+              <widget class="QComboBox" name="input_brush_mode">
+               <item>
+                <property name="text">
+                 <string>Raise / Lower (F1)</string>
+                </property>
+               </item>
+               <item>
+                <property name="text">
+                 <string>Add noise / Smooth (F2)</string>
+                </property>
+               </item>
+               <item>
+                <property name="text">
+                 <string>Flatten terrain (F3)</string>
+                </property>
+               </item>
+               <item>
+                <property name="text">
+                 <string>Fix discontinuities (F11)</string>
+                </property>
+               </item>
+               <item>
+                <property name="text">
+                 <string>Restore to default (F12)</string>
+                </property>
+               </item>
+              </widget>
+             </item>
+             <item row="1" column="0">
+              <widget class="QLabel" name="label_3">
+               <property name="text">
+                <string>Brush size :</string>
+               </property>
+              </widget>
+             </item>
+             <item row="1" column="1">
+              <widget class="QSlider" name="input_brush_size">
+               <property name="minimum">
+                <number>5</number>
+               </property>
+               <property name="maximum">
+                <number>100</number>
+               </property>
+               <property name="value">
+                <number>20</number>
+               </property>
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+              </widget>
+             </item>
+             <item row="2" column="0">
+              <widget class="QLabel" name="label_4">
+               <property name="text">
+                <string>Brush smoothing :</string>
+               </property>
+              </widget>
+             </item>
+             <item row="2" column="1">
+              <widget class="QSlider" name="input_brush_smoothing">
+               <property name="maximum">
+                <number>100</number>
+               </property>
+               <property name="value">
+                <number>80</number>
+               </property>
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+              </widget>
+             </item>
+             <item row="3" column="0">
+              <widget class="QLabel" name="label_5">
+               <property name="text">
+                <string>Brush strength :</string>
+               </property>
+              </widget>
+             </item>
+             <item row="3" column="1">
+              <widget class="QSlider" name="input_brush_strength">
+               <property name="minimum">
+                <number>10</number>
+               </property>
+               <property name="maximum">
+                <number>100</number>
+               </property>
+               <property name="value">
+                <number>20</number>
+               </property>
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+              </widget>
+             </item>
+            </layout>
+           </item>
+           <item>
+            <widget class="QLabel" name="label_6">
+             <property name="text">
+              <string notr="true">{ Brush information }</string>
+             </property>
+             <property name="margin">
+              <number>20</number>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <layout class="QHBoxLayout" name="horizontalLayout_4">
+             <property name="topMargin">
+              <number>8</number>
+             </property>
+             <item>
+              <widget class="QLabel" name="label_7">
+               <property name="text">
+                <string>Brush preview :</string>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QWidget" name="widget_3" native="true">
+               <property name="minimumSize">
+                <size>
+                 <width>200</width>
+                 <height>200</height>
+                </size>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <spacer name="horizontalSpacer_2">
+               <property name="orientation">
+                <enum>Qt::Horizontal</enum>
+               </property>
+               <property name="sizeHint" stdset="0">
+                <size>
+                 <width>40</width>
+                 <height>20</height>
+                </size>
+               </property>
+              </spacer>
+             </item>
+            </layout>
+           </item>
+           <item>
+            <spacer name="verticalSpacer">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+          </layout>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
+     <property name="sizeConstraint">
+      <enum>QLayout::SetDefaultConstraint</enum>
+     </property>
+     <item>
+      <widget class="QProgressBar" name="progress_memory_consumption">
+       <property name="maximumSize">
+        <size>
+         <width>150</width>
+         <height>16777215</height>
+        </size>
+       </property>
+       <property name="value">
+        <number>24</number>
+       </property>
+       <property name="textVisible">
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_memory_consumption">
+       <property name="text">
+        <string notr="true">{ memory consumption }</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="horizontalSpacer">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="WidgetGlobalFormButtons" name="widget_4" native="true">
+       <property name="minimumSize">
+        <size>
+         <width>100</width>
+         <height>30</height>
+        </size>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>WidgetGlobalFormButtons</class>
+   <extends>QWidget</extends>
+   <header>common/widgetglobalformbuttons.h</header>
+   <container>1</container>
+   <slots>
+    <signal>okClicked()</signal>
+    <signal>revertClicked()</signal>
+    <signal>cancelClicked()</signal>
+   </slots>
+  </customwidget>
+  <customwidget>
+   <class>WidgetHeightMap</class>
+   <extends>QWidget</extends>
+   <header>widgetheightmap.h</header>
+   <container>1</container>
+   <slots>
+    <signal>heightmapChanged()</signal>
+   </slots>
+  </customwidget>
+ </customwidgets>
+ <tabstops>
+  <tabstop>input_brush_mode</tabstop>
+  <tabstop>input_brush_size</tabstop>
+  <tabstop>input_brush_smoothing</tabstop>
+  <tabstop>input_brush_strength</tabstop>
+ </tabstops>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>input_brush_size</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>DialogTerrainPainting</receiver>
+   <slot>brushConfigChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>676</x>
+     <y>67</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>437</x>
+     <y>72</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>input_brush_smoothing</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>DialogTerrainPainting</receiver>
+   <slot>brushConfigChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>728</x>
+     <y>97</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>437</x>
+     <y>102</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>input_brush_strength</sender>
+   <signal>valueChanged(int)</signal>
+   <receiver>DialogTerrainPainting</receiver>
+   <slot>brushConfigChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>762</x>
+     <y>135</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>437</x>
+     <y>132</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>input_brush_mode</sender>
+   <signal>currentIndexChanged(int)</signal>
+   <receiver>DialogTerrainPainting</receiver>
+   <slot>brushConfigChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>752</x>
+     <y>42</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>437</x>
+     <y>40</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>widget_heightmap</sender>
+   <signal>heightmapChanged()</signal>
+   <receiver>DialogTerrainPainting</receiver>
+   <slot>heightmapChanged()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>396</x>
+     <y>566</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>445</x>
+     <y>618</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>widget_4</sender>
+   <signal>okClicked()</signal>
+   <receiver>DialogTerrainPainting</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>816</x>
+     <y>593</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>683</x>
+     <y>615</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>widget_4</sender>
+   <signal>cancelClicked()</signal>
+   <receiver>DialogTerrainPainting</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>870</x>
+     <y>600</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>711</x>
+     <y>618</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>widget_4</sender>
+   <signal>revertClicked()</signal>
+   <receiver>DialogTerrainPainting</receiver>
+   <slot>revert()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>827</x>
+     <y>606</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>747</x>
+     <y>618</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>brushConfigChanged()</slot>
+  <slot>heightmapChanged()</slot>
+  <slot>revert()</slot>
+ </slots>
+</ui>
diff --git a/src/editing/terrain/paintingbrush.cpp b/src/editing/terrain/paintingbrush.cpp
new file mode 100644
index 0000000..4ec7830
--- /dev/null
+++ b/src/editing/terrain/paintingbrush.cpp
@@ -0,0 +1,120 @@
+#include "paintingbrush.h"
+
+#include <cmath>
+
+PaintingBrush::PaintingBrush()
+{
+    _mode = PAINTING_BRUSH_RAISE;
+    _size = 0.0;
+    _smoothing = 0.0;
+    _strength = 0.0;
+    _noise = noiseCreateGenerator();
+    noiseAddLevelsSimple(_noise, 10, 1.0, -0.5, 0.5, 0.5);
+}
+
+PaintingBrush::~PaintingBrush()
+{
+    noiseDeleteGenerator(_noise);
+}
+
+void PaintingBrush::setMode(PaintingBrushMode mode)
+{
+    _mode = mode;
+}
+
+void PaintingBrush::setSize(double value)
+{
+    _size = value;
+}
+
+void PaintingBrush::setSize(QAbstractSlider* slider)
+{
+    setSize(20.0 * (double)slider->value() / (double)slider->maximum());
+}
+
+void PaintingBrush::setSmoothing(double value)
+{
+    _smoothing = value;
+}
+
+void PaintingBrush::setSmoothing(QAbstractSlider* slider)
+{
+    setSmoothing((double)slider->value() / (double)slider->maximum());
+}
+
+void PaintingBrush::setStrength(double value)
+{
+    _strength = value;
+}
+
+void PaintingBrush::setStrength(QAbstractSlider* slider)
+{
+    setStrength((double)slider->value() / (double)slider->maximum());
+}
+
+void PaintingBrush::randomizeNoise()
+{
+    noiseRandomizeOffsets(_noise);
+}
+
+double PaintingBrush::getInfluence(double relative_x, double relative_z)
+{
+    double distance = sqrt(relative_x * relative_x + relative_z * relative_z);
+    if (distance > _size)
+    {
+        return 0.0;
+    }
+    else if (distance > _size * (1.0 - _smoothing))
+    {
+        return 1.0 - (distance - _size * (1.0 - _smoothing)) / (_size * _smoothing);
+    }
+    else
+    {
+        return 1.0;
+    }
+}
+
+void PaintingBrush::drawPreview(QWidget* widget)
+{
+
+}
+
+void PaintingBrush::applyToTerrain(TerrainDefinition* terrain, double x, double z, double duration, bool reverse)
+{
+    double brush_strength;
+    TerrainBrush brush;
+
+    brush.relative_x = x;
+    brush.relative_z = z;
+    brush.hard_radius = _size * (1.0 - _smoothing);
+    brush.smoothed_size = _size * _smoothing;
+    brush.total_radius = brush.hard_radius + brush.smoothed_size;
+
+    brush_strength = 0.5 * _strength * duration / 0.1;
+
+    switch (_mode)
+    {
+    case PAINTING_BRUSH_RAISE:
+        if (reverse)
+        {
+            brush_strength = -brush_strength;
+        }
+        terrainBrushElevation(terrain->height_map, &brush, brush_strength * 2.0);
+        break;
+    case PAINTING_BRUSH_SMOOTH:
+        if (reverse)
+        {
+            terrainBrushSmooth(terrain->height_map, &brush, brush_strength);
+        }
+        else
+        {
+            terrainBrushAddNoise(terrain->height_map, &brush, _noise, brush_strength * 0.5);
+        }
+        break;
+    case PAINTING_BRUSH_RESTORE:
+        terrainBrushReset(terrain->height_map, &brush, brush_strength);
+        break;
+    default:
+        return;
+    }
+}
diff --git a/src/editing/terrain/paintingbrush.h b/src/editing/terrain/paintingbrush.h
new file mode 100644
index 0000000..dfcd51c
--- /dev/null
+++ b/src/editing/terrain/paintingbrush.h
@@ -0,0 +1,46 @@
+#ifndef PAINTINGBRUSH_H
+#define PAINTINGBRUSH_H
+
+#include <QAbstractSlider>
+#include "rendering/noise.h"
+#include "rendering/terrain/public.h"
+
+typedef enum
+{
+    PAINTING_BRUSH_RAISE = 0,
+    PAINTING_BRUSH_SMOOTH = 1,
+    PAINTING_BRUSH_FLATTEN = 2,
+    PAINTING_BRUSH_FIX_DISCONTINUITIES = 3,
+    PAINTING_BRUSH_RESTORE = 4
+} PaintingBrushMode;
+
+class PaintingBrush
+{
+public:
+    PaintingBrush();
+    ~PaintingBrush();
+
+    void setMode(PaintingBrushMode mode);
+    void setSize(double value);
+    void setSize(QAbstractSlider* slider);
+    void setSmoothing(double value);
+    void setSmoothing(QAbstractSlider* slider);
+    void setStrength(double value);
+    void setStrength(QAbstractSlider* slider);
+    void randomizeNoise();
+
+    double getInfluence(double relative_x, double relative_z);
+
+    void drawPreview(QWidget* widget);
+
+    void applyToTerrain(TerrainDefinition* terrain, double x, double z, double duration, bool reverse);
+
+private:
+    PaintingBrushMode _mode;
+    double _size;
+    double _smoothing;
+    double _strength;
+    NoiseGenerator* _noise;
+};
+
+#endif // PAINTINGBRUSH_H
diff --git a/src/editing/tools.cpp b/src/editing/tools.cpp
index 4136d0e..8680967 100644
--- a/src/editing/tools.cpp
+++ b/src/editing/tools.cpp
@@ -16,3 +16,32 @@ bool DialogWithPreview::event(QEvent* event)
     
     return QDialog::event(event);
 }
+
+QString getHumanMemory(qint64 memused)
+{
+    if (memused >= 1024)
+    {
+        memused /= 1024;
+        if (memused >= 1024)
+        {
+            memused /= 1024;
+            if (memused >= 1024)
+            {
+                memused /= 1024;
+                return QObject::tr("%1 GB").arg(memused);
+            }
+            else
+            {
+                return QObject::tr("%1 MB").arg(memused);
+            }
+        }
+        else
+        {
+            return QObject::tr("%1 kB").arg(memused);
+        }
+    }
+    else
+    {
+        return QObject::tr("%1 B").arg(memused);
+    }
+}
diff --git a/src/editing/tools.h b/src/editing/tools.h
index e2c3dae..3c5104e 100644
--- a/src/editing/tools.h
+++ b/src/editing/tools.h
@@ -19,6 +19,8 @@ static inline QString getDataPath(QString path)
     return QDir("./data").absoluteFilePath(path);
 }
 
+QString getHumanMemory(qint64 memused);
+
 class DialogWithPreview:public QDialog
 {
     Q_OBJECT
diff --git a/src/editing/widgetheightmap.cpp b/src/editing/widgetheightmap.cpp
index d306980..74898da 100644
--- a/src/editing/widgetheightmap.cpp
+++ b/src/editing/widgetheightmap.cpp
@@ -10,7 +10,7 @@
 
 #define HEIGHTMAP_RESOLUTION 256
 
-WidgetHeightMap::WidgetHeightMap(QWidget* parent, TerrainDefinition* terrain) :
+WidgetHeightMap::WidgetHeightMap(QWidget* parent) :
 QGLWidget(parent)
 {
     setMinimumSize(500, 500);
@@ -19,11 +19,8 @@ QGLWidget(parent)
     setCursor(Qt::CrossCursor);
     startTimer(100);
 
-    _memory_stats = terrainGetMemoryStats(terrain);
-
-    _terrain = terrain;
+    _terrain = NULL;
     _renderer = rendererCreate();
-    TerrainRendererClass.bind(_renderer, _terrain);
     _vertices = new _VertexInfo[HEIGHTMAP_RESOLUTION * HEIGHTMAP_RESOLUTION];
 
     _dirty = true;
@@ -59,14 +56,9 @@ QGLWidget(parent)
     cameraSetZoomToTarget(_top_camera, _zoom);
     cameraCopyDefinition(_current_camera, _top_camera);
 
+    _brush = NULL;
     _brush_x = 0.0;
     _brush_z = 0.0;
-    _brush_mode = HEIGHTMAP_BRUSH_RAISE;
-    _brush_size = 10.0;
-    _brush_smoothing = 0.5;
-    _brush_strength = 1.0;
-    _brush_noise = noiseCreateGenerator();
-    noiseAddLevelsSimple(_brush_noise, 10, 1.0, -0.5, 0.5, 0.5);
 }
 
 WidgetHeightMap::~WidgetHeightMap()
@@ -75,72 +67,23 @@ WidgetHeightMap::~WidgetHeightMap()
     cameraDeleteDefinition(_top_camera);
     cameraDeleteDefinition(_temp_camera);
     rendererDelete(_renderer);
-    noiseDeleteGenerator(_brush_noise);
     delete[] _vertices;
 }
 
-void WidgetHeightMap::setBrushMode(HeightMapBrushMode mode)
+void WidgetHeightMap::setTerrain(TerrainDefinition* terrain)
 {
-    _brush_mode = mode;
-    _brush_x = 0.0;
-    _brush_z = 0.0;
-    updateGL();
+    _terrain = terrain;
+    TerrainRendererClass.bind(_renderer, _terrain);
+
+    revert();
 }
 
-void WidgetHeightMap::setBrushSize(double size)
+void WidgetHeightMap::setBrush(PaintingBrush* brush)
 {
-    _brush_size = size;
-    _brush_x = 0.0;
-    _brush_z = 0.0;
+    _brush = brush;
     updateGL();
 }
 
-void WidgetHeightMap::setBrushSmoothing(double smoothing)
-{
-    _brush_smoothing = smoothing;
-    _brush_x = 0.0;
-    _brush_z = 0.0;
-    updateGL();
-}
-
-void WidgetHeightMap::setBrushStrength(double strength)
-{
-    _brush_strength = strength;
-    _brush_x = 0.0;
-    _brush_z = 0.0;
-    updateGL();
-}
-
-QString WidgetHeightMap::getMemoryStats()
-{
-    qint64 memused = _memory_stats;
-    if (memused >= 1024)
-    {
-        memused /= 1024;
-        if (memused >= 1024)
-        {
-            memused /= 1024;
-            if (memused >= 1024)
-            {
-                memused /= 1024;
-                return tr("%1 GB").arg(memused);
-            }
-            else
-            {
-                return tr("%1 MB").arg(memused);
-            }
-        }
-        else
-        {
-            return tr("%1 kB").arg(memused);
-        }
-    }
-    else
-    {
-        return tr("%1 B").arg(memused);
-    }
-}
-
 void WidgetHeightMap::revert()
 {
     _dirty = true;
@@ -205,7 +148,14 @@ void WidgetHeightMap::mousePressEvent(QMouseEvent* event)
 void WidgetHeightMap::mouseReleaseEvent(QMouseEvent*)
 {
     _last_brush_action = 0;
-    terrainEndBrushStroke(_terrain->height_map);
+    if (_terrain)
+    {
+        terrainEndBrushStroke(_terrain->height_map);
+    }
+    if (_brush)
+    {
+        _brush->randomizeNoise();
+    }
 }
 
 void WidgetHeightMap::mouseMoveEvent(QMouseEvent* event)
@@ -230,6 +180,11 @@ void WidgetHeightMap::mouseMoveEvent(QMouseEvent* event)
 
 void WidgetHeightMap::timerEvent(QTimerEvent*)
 {
+    if (not _terrain)
+    {
+        return;
+    }
+
     QDateTime new_time = QDateTime::currentDateTime();
     double duration = 0.001 * (double) _last_time.msecsTo(new_time);
     _last_time = new_time;
@@ -258,40 +213,9 @@ void WidgetHeightMap::timerEvent(QTimerEvent*)
     }
 
     // Apply brush action
-    if (_last_brush_action != 0)
+    if (_last_brush_action != 0 && _brush)
     {
-        double brush_strength;
-        TerrainBrush brush;
-
-        brush.relative_x = _brush_x + _target_x;
-        brush.relative_z = _brush_z + _target_z;
-        brush.hard_radius = _brush_size * (1.0 - _brush_smoothing);
-        brush.smoothed_size = _brush_size * _brush_smoothing;
-        brush.total_radius = brush.hard_radius + brush.smoothed_size;
-
-        brush_strength = _brush_strength * duration / 0.1;
-
-        switch (_brush_mode)
-        {
-        case HEIGHTMAP_BRUSH_RAISE:
-            terrainBrushElevation(_terrain->height_map, &brush, brush_strength * _last_brush_action * 3.0);
-            break;
-        case HEIGHTMAP_BRUSH_SMOOTH:
-            if (_last_brush_action < 0)
-            {
-                terrainBrushSmooth(_terrain->height_map, &brush, brush_strength);
-            }
-            else
-            {
-                terrainBrushAddNoise(_terrain->height_map, &brush, _brush_noise, brush_strength * 0.5);
-            }
-            break;
-        case HEIGHTMAP_BRUSH_RESTORE:
-            terrainBrushReset(_terrain->height_map, &brush, brush_strength);
-            break;
-        default:
-            return;
-        }
+        _brush->applyToTerrain(_terrain, _brush_x + _target_x, _brush_z + _target_z, duration, _last_brush_action < 0);
 
         // TODO Only mark dirty the updated area
         _dirty = true;
@@ -378,6 +302,11 @@ void WidgetHeightMap::paintGL()
     double frame_time;
     int rx, rz;
 
+    if (not _terrain)
+    {
+        return;
+    }
+
     rx = HEIGHTMAP_RESOLUTION;
     rz = HEIGHTMAP_RESOLUTION;
 
@@ -444,24 +373,23 @@ void WidgetHeightMap::paintGL()
             for (int dx = 1; dx >= 0; dx--)
             {
                 _VertexInfo* vertex = _vertices + z * rx + x + dx;
-                double diff_x, diff_z, diff;
+                double brush_influence;
 
-                diff_x = vertex->point.x - _target_x - _brush_x;
-                diff_z = vertex->point.z - _target_z - _brush_z;
-                diff = sqrt(diff_x * diff_x + diff_z * diff_z);
-                if (diff > _brush_size)
+                if (_brush)
                 {
-                    diff = 0.0;
-                }
-                else if (diff > _brush_size * (1.0 - _brush_smoothing))
-                {
-                    diff = 1.0 - (diff - _brush_size * (1.0 - _brush_smoothing)) / (_brush_size * _brush_smoothing);
+                    double diff_x, diff_z;
+
+                    diff_x = vertex->point.x - _target_x - _brush_x;
+                    diff_z = vertex->point.z - _target_z - _brush_z;
+
+                    brush_influence = _brush->getInfluence(diff_x, diff_z);
                 }
                 else
                 {
-                    diff = 1.0;
+                    brush_influence = 0.0;
                 }
-                glColor3f(0.8 + diff, vertex->painted ? 1.0 : 0.8, 0.8);
+
+                glColor3f(0.8 + brush_influence, vertex->painted ? 1.0 : 0.8, 0.8);
                 glNormal3f(vertex->normal.x, vertex->normal.y, vertex->normal.z);
                 glVertex3f(vertex->point.x, vertex->point.y, vertex->point.z);
             }
@@ -567,8 +495,6 @@ void WidgetHeightMap::updateVertexInfo()
     _vertices = new _VertexInfo[rx * rz];
     delete[] old_vertices;
 
-    _memory_stats = terrainGetMemoryStats(_terrain);
-
     _last_update_x = (int) (floor(_target_x));
     _last_update_z = (int) (floor(_target_z));
 
diff --git a/src/editing/widgetheightmap.h b/src/editing/widgetheightmap.h
index abf1336..f6ba181 100644
--- a/src/editing/widgetheightmap.h
+++ b/src/editing/widgetheightmap.h
@@ -3,6 +3,7 @@
 
 #include <QGLWidget>
 #include <QDateTime>
+#include "terrain/paintingbrush.h"
 #include "rendering/camera.h"
 #include "rendering/tools/euclid.h"
 #include "rendering/renderer.h"
@@ -26,15 +27,11 @@ class WidgetHeightMap : public QGLWidget
 {
     Q_OBJECT
 public:
-    WidgetHeightMap(QWidget* parent, TerrainDefinition* terrain);
+    WidgetHeightMap(QWidget* parent);
     ~WidgetHeightMap();
 
-    void setBrushMode(HeightMapBrushMode mode);
-    void setBrushSize(double size);
-    void setBrushSmoothing(double smoothing);
-    void setBrushStrength(double smoothing);
-
-    QString getMemoryStats();
+    void setTerrain(TerrainDefinition* terrain);
+    void setBrush(PaintingBrush* brush);
 
 public slots:
     void revert();
@@ -67,7 +64,6 @@ private:
     _VertexInfo* _vertices;
 
     bool _dirty;
-    qint64 _memory_stats;
 
     double _water_height;
     bool _water;
@@ -91,13 +87,9 @@ private:
     CameraDefinition* _current_camera;
     double _zoom;
 
+    PaintingBrush* _brush;
     double _brush_x;
     double _brush_z;
-    HeightMapBrushMode _brush_mode;
-    double _brush_size;
-    double _brush_smoothing;
-    double _brush_strength;
-    NoiseGenerator* _brush_noise;
 };
 
 #endif
diff --git a/src/rendering/camera.c b/src/rendering/camera.c
index 11d3c83..3702eb9 100644
--- a/src/rendering/camera.c
+++ b/src/rendering/camera.c
@@ -30,7 +30,7 @@ struct CameraDefinition
 void cameraSave(PackStream* stream, CameraDefinition* camera)
 {
     v3Save(stream, &camera->location);
-    packWriteDouble(stream, &camera->direction.r);
+    packWriteDouble(stream , &camera->direction.r);
     packWriteDouble(stream, &camera->direction.phi);
     packWriteDouble(stream, &camera->direction.theta);
     packWriteDouble(stream, &camera->roll);
diff --git a/src/rendering/rendering.pro b/src/rendering/rendering.pro
new file mode 100644
index 0000000..9d3468e
--- /dev/null
+++ b/src/rendering/rendering.pro
@@ -0,0 +1,126 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2013-05-01T12:27:33
+#
+#-------------------------------------------------
+
+QT       -= core gui
+
+TARGET = rendering
+TEMPLATE = lib
+
+DEFINES += RENDERING_LIBRARY
+
+SOURCES += \
+    zone.c \
+    tools.c \
+    system.c \
+    scenery.c \
+    renderer.c \
+    render.c \
+    opencl.c \
+    noisesimplex.c \
+    noiseperlin.c \
+    noisenaive.c \
+    noise.c \
+    main.c \
+    layers.c \
+    geoarea.c \
+    camera.c \
+    auto.c \
+    atmosphere/atm_render.c \
+    atmosphere/atm_raster.c \
+    atmosphere/atm_preview.c \
+    atmosphere/atm_presets.c \
+    atmosphere/atm_definition.c \
+    atmosphere/atm_bruneton.c \
+    clouds/clo_tools.c \
+    clouds/clo_rendering.c \
+    clouds/clo_preview.c \
+    clouds/clo_presets.c \
+    clouds/clo_definition.c \
+    shared/preview.c \
+    terrain/ter_raster.c \
+    terrain/ter_preview.c \
+    terrain/ter_presets.c \
+    terrain/ter_painting.c \
+    terrain/ter_definition.c \
+    textures/tex_tools.c \
+    textures/tex_rendering.c \
+    textures/tex_preview.c \
+    textures/tex_presets.c \
+    textures/tex_definition.c \
+    tools/texture.c \
+    tools/parallel.c \
+    tools/pack.c \
+    tools/memory.c \
+    tools/lighting.c \
+    tools/euclid.c \
+    tools/curve.c \
+    tools/color.c \
+    tools/cache.c \
+    tools/array.c \
+    water/wat_render.c \
+    water/wat_raster.c \
+    water/wat_preview.c \
+    water/wat_presets.c \
+    water/wat_definition.c
+
+HEADERS += \
+    zone.h \
+    tools.h \
+    system.h \
+    scenery.h \
+    renderer.h \
+    render.h \
+    opencl.h \
+    noisesimplex.h \
+    noiseperlin.h \
+    noisenaive.h \
+    noise.h \
+    main.h \
+    layers.h \
+    geoarea.h \
+    camera.h \
+    auto.h \
+    atmosphere/public.h \
+    atmosphere/private.h \
+    clouds/public.h \
+    clouds/private.h \
+    shared/types.h \
+    shared/preview.h \
+    terrain/public.h \
+    terrain/private.h \
+    textures/public.h \
+    textures/private.h \
+    tools/texture.h \
+    tools/parallel.h \
+    tools/pack.h \
+    tools/memory.h \
+    tools/lighting.h \
+    tools/euclid.h \
+    tools/curve.h \
+    tools/color.h \
+    tools/cache.h \
+    tools/array.h \
+    water/public.h \
+    water/private.h
+
+symbian {
+    MMP_RULES += EXPORTUNFROZEN
+    TARGET.UID3 = 0xEC48CBFE
+    TARGET.CAPABILITY = 
+    TARGET.EPOCALLOWDLLDATA = 1
+    addFiles.sources = rendering.dll
+    addFiles.path = !:/sys/bin
+    DEPLOYMENT += addFiles
+}
+
+unix:!symbian {
+    maemo5 {
+        target.path = /opt/usr/lib
+    } else {
+        target.path = /usr/lib
+    }
+    INSTALLS += target
+}