Texture chooser now supports atlas textures as well.

--HG--
branch : gsoc2014-dfighter

code/nel/include/nel/gui/view_renderer.h

@@ -286,6 +286,12 @@ namespace NLGUI
 		 */
 		void flush ();
 
+		/// Retrives a texture
+		bool getTexture( NLMISC::CBitmap &bm, const std::string &name );
+
+		/// Retrieve the texture names
+		void getTextureNames( std::vector< std::string > &textures );
+
 		/**
 		 * get a texture file pointer from a string name. O(logN)
 		 * \param id : the id of the texture

code/nel/src/gui/view_renderer.cpp

@@ -1064,6 +1064,46 @@ namespace NLGUI
 		}
 	}
 
+	bool CViewRenderer::getTexture( NLMISC::CBitmap &bm, const std::string &name )
+	{
+		TTextureMap::const_iterator itr = _TextureMap.find( name );
+		if( itr == _TextureMap.end() )
+			return false;
+
+		sint32 id = itr->second;
+		SImage *si = getSImage( id );
+		NLMISC::CBitmap *src = si->GlobalTexturePtr->Texture->generateDatas();
+
+		if( src->getPixelFormat() != NLMISC::CBitmap::RGBA )
+			return false;
+
+		uint x0 = (uint)( si->UVMin.U * si->GlobalTexturePtr->Width );
+		uint y0 = (uint)( si->UVMin.V * si->GlobalTexturePtr->Height );
+		uint x1 = (uint)( si->UVMax.U * si->GlobalTexturePtr->Width );
+		uint y1 = (uint)( si->UVMax.V * si->GlobalTexturePtr->Height );
+
+		if( x1 == x0 )
+			return false;
+
+		if( y1 == y0 )
+			return false;
+
+		bm.resize( x1 - x0, y1 - y0 );
+		bm.blit( *src, x0, y0, ( x1 - x0 ), ( y1 - y0 ), 0, 0 );
+
+		return true;
+	}
+
+	void CViewRenderer::getTextureNames( std::vector< std::string > &textures )
+	{
+		TTextureMap::const_iterator itr = _TextureMap.begin();
+		while( itr != _TextureMap.end() )
+		{
+			textures.push_back( itr->first );
+			++itr;
+		}
+	}
+
 	/*
 	 * getTextureIdFromName
 	 */

code/studio/src/plugins/gui_editor/texture_chooser.cpp

@@ -6,40 +6,81 @@
 #include <string>
 #include <QPixMap>
 #include <QImage>
+#include <QListWidget>
+
+#include "nel/gui/view_renderer.h"
+
+struct TextureChooserPrivate
+{
+	QListWidget *fileTextures;
+	QListWidget *atlasTextures;
+
+	TextureChooserPrivate()
+	{
+		fileTextures = new QListWidget();
+		atlasTextures = new QListWidget();
+	}
+};
 
 TextureChooser::TextureChooser( QDialog *parent ) : 
 QDialog( parent )
 {
 	setupUi( this );
+
+	d_ptr = new TextureChooserPrivate;
+	this->tabWidget->clear();
+	this->tabWidget->addTab( d_ptr->fileTextures, tr( "File textures" ) );
+	this->tabWidget->addTab( d_ptr->atlasTextures, tr( "Atlas texture" ) );
+
 	setupConnections();
 }
 
 TextureChooser::~TextureChooser()
 {
+	delete d_ptr;
+	d_ptr = NULL;
 }
 
 
 void TextureChooser::load()
 {
-	listWidget->clear();
+	// Load the file textures
+	d_ptr->fileTextures->clear();
 
 	std::vector< std::string > textures;
 	//NLMISC::CPath::getFileList( "tga", textures );
-	NLMISC::CPath::getFileListByPath( "tga", "interfaces", textures );
+	NLMISC::CPath::getFileListByPath( "dds", "interfaces", textures );
+	NLMISC::CPath::getFileListByPath( "dds", "gamedev", textures );
+
+	std::sort( textures.begin(), textures.end() );
 
 	std::vector< std::string >::const_iterator itr = textures.begin();
 	while( itr != textures.end() )
 	{
-		listWidget->addItem( itr->c_str() );
+		d_ptr->fileTextures->addItem( itr->c_str() );
 		++itr;
 	}
 
-	listWidget->setCurrentRow( 0 );
+	// Now load the atlas textures
+	d_ptr->atlasTextures->clear();
+	textures.clear();
+
+	NLGUI::CViewRenderer::getInstance()->getTextureNames( textures );
+	itr = textures.begin();
+	while( itr != textures.end() )
+	{
+		d_ptr->atlasTextures->addItem( itr->c_str() );
+		++itr;
+	}
+
+	// set the file textures row after the atlas, because they are shown first
+	d_ptr->atlasTextures->setCurrentRow( 0 );
+	d_ptr->fileTextures->setCurrentRow( 0 );
 }
 
 void TextureChooser::accept()
 {
-	QListWidgetItem *item = listWidget->currentItem();
+	QListWidgetItem *item = d_ptr->fileTextures->currentItem();
 	if( item == NULL )
 		return;
 
@@ -54,12 +95,12 @@ void TextureChooser::reject()
 	QDialog::reject();
 }
 
-void TextureChooser::onCurrentRowChanged( int row )
+void TextureChooser::onFileTxtRowChanged( int row )
 {
 	if( row < 0 )
 		return;
 
-	QListWidgetItem *item = listWidget->item( row );
+	QListWidgetItem *item = d_ptr->fileTextures->item( row );
 	QString fn = item->text();
 
 	std::string rfn = fn.toUtf8().constData();
@@ -81,11 +122,42 @@ void TextureChooser::onCurrentRowChanged( int row )
 		return;
 	}
 
-	uint32 size = bm.getSize() * ( 32 / 8 );  // should be depth, but CBitmap always uses 32 bit to store the image
+	setPreviewImage( bm );
+}
 
+void TextureChooser::onAtlasTxtRowChanged( int row )
+{
+	if( row < 0 )
+		return;
+
+	QListWidgetItem *item = d_ptr->atlasTextures->item( row );
+	QString fn = item->text();
+
+	std::string rfn = fn.toUtf8().constData();
+
+	NLMISC::CBitmap bm;
+
+	bool b = NLGUI::CViewRenderer::getInstance()->getTexture( bm, rfn );
+	if( !b )
+		return;
+	
+	setPreviewImage( bm );
+}
+
+
+void TextureChooser::setupConnections()
+{
+	connect( d_ptr->fileTextures, SIGNAL( currentRowChanged( int ) ), this, SLOT( onFileTxtRowChanged( int ) ) );
+	connect( d_ptr->atlasTextures, SIGNAL( currentRowChanged( int ) ), this, SLOT( onAtlasTxtRowChanged( int ) ) );
+}
+
+void TextureChooser::setPreviewImage( NLMISC::CBitmap &bm )
+{
+	// should be depth, but CBitmap always uses 32 bit to store the image
+	uint32 size = bm.getSize() * ( 32 / 8 );
 	uint8 *data = new uint8[ size ];
 	bm.getData( data );
-
+	
 	/// Convert from ABGR to ARGB
 	{
 		int i = 0;
@@ -107,13 +179,6 @@ void TextureChooser::onCurrentRowChanged( int row )
 
 	delete data;
 	data = NULL;
-
-}
-
-
-void TextureChooser::setupConnections()
-{
-	connect( listWidget, SIGNAL( currentRowChanged( int ) ), this, SLOT( onCurrentRowChanged( int ) ) );
 }
 
 

code/studio/src/plugins/gui_editor/texture_chooser.h

@@ -3,6 +3,13 @@
 
 #include "ui_texture_chooser.h"
 
+namespace NLMISC
+{
+	class CBitmap;
+}
+
+struct TextureChooserPrivate;
+
 class TextureChooser : public QDialog, public Ui::TextureChooser
 {
 	Q_OBJECT
@@ -19,12 +26,16 @@ public Q_SLOTS:
 	void reject();
 
 private Q_SLOTS:
-	void onCurrentRowChanged( int row );
+	void onFileTxtRowChanged( int row );
+	void onAtlasTxtRowChanged( int row );
 
 private:
 	void setupConnections();
+	void setPreviewImage( NLMISC::CBitmap &bm );
 
 	QString selection;
+
+	TextureChooserPrivate *d_ptr;
 };
 
 #endif

code/studio/src/plugins/gui_editor/texture_chooser.ui

@@ -18,7 +18,13 @@
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">
-    <widget class="QListWidget" name="listWidget"/>
+    <widget class="QTabWidget" name="tabWidget">
+     <widget class="QWidget" name="tab">
+      <attribute name="title">
+       <string>tab</string>
+      </attribute>
+     </widget>
+    </widget>
    </item>
    <item row="0" column="1">
     <widget class="QLabel" name="label">