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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _WordsNode_H_
#define _WordsNode_H_
#include "../api.h"
#include "RasterNode.h"
#include "FontStyle.h"
#include "../graphics/Pixel32.h"
#include "../base/UTF8String.h"
#include <pango/pango.h>
#include <string>
#include <vector>
namespace avg {
class AVG_API WordsNode : public RasterNode
{
public:
static void registerType();
WordsNode(const ArgList& args);
virtual ~WordsNode();
virtual void connectDisplay();
virtual void connect(CanvasPtr pCanvas);
virtual void disconnect(bool bKill);
virtual void preRender(const VertexArrayPtr& pVA, bool bIsParentActive,
float parentEffectiveOpacity);
virtual void render();
virtual float getWidth() const;
virtual void setWidth(float width);
virtual float getHeight() const;
virtual void setHeight(float width);
virtual glm::vec2 getSize() const;
virtual void setSize(const glm::vec2& pt);
glm::vec2 toLocal(const glm::vec2& globalPos) const;
glm::vec2 toGlobal(const glm::vec2& localPos) const;
void setTextFromNodeValue(const std::string& sText);
const FontStyle& getFontStyle() const;
void setFontStyle(const FontStyle& fontStyle);
const std::string& getFont() const;
void setFont(const std::string& sName);
const std::string& getFontVariant() const;
void setFontVariant(const std::string& sVariant);
const UTF8String& getText() const;
void setText(const UTF8String& sText);
const std::string& getColor() const;
void setColor(const std::string& sColor);
virtual float getAAGamma() const;
virtual void setAAGamma(float gamma);
float getFontSize() const;
void setFontSize(float size);
int getIndent() const;
void setIndent(int indent);
float getLineSpacing() const;
void setLineSpacing(float lineSpacing);
bool getRawTextMode() const;
void setRawTextMode(bool rawTextMode);
std::string getAlignment() const;
void setAlignment(const std::string& sAlignment);
std::string getWrapMode() const;
void setWrapMode(const std::string& sWrapMode);
bool getJustify() const;
void setJustify(bool bJustify);
float getLetterSpacing() const;
void setLetterSpacing(float letterSpacing);
bool getHint() const;
void setHint(bool bHint);
glm::vec2 getGlyphPos(int i);
glm::vec2 getGlyphSize(int i);
virtual IntPoint getMediaSize();
int getNumLines();
PyObject* getCharIndexFromPos(glm::vec2 p);
std::string getTextAsDisplayed();
glm::vec2 getLineExtents(int line);
static const std::vector<std::string>& getFontFamilies();
static const std::vector<std::string>& getFontVariants(
const std::string& sFontName);
static void addFontDir(const std::string& sDir);
private:
virtual void calcMaskCoords();
void updateFont();
void updateLayout();
void renderText();
void redraw();
void parseString(PangoAttrList** ppAttrList, char** ppText);
void setParsedText(const UTF8String& sText);
UTF8String applyBR(const UTF8String& sText);
std::string removeExcessSpaces(const std::string & sText);
PangoRectangle getGlyphRect(int i);
// Exposed Attributes
FontStyle m_FontStyle;
UTF8String m_sText;
UTF8String m_sRawText;
bool m_bParsedText;
bool m_bRawTextMode;
IntPoint m_LogicalSize;
IntPoint m_InkOffset;
IntPoint m_InkSize;
int m_AlignOffset;
PangoFontDescription * m_pFontDescription;
PangoLayout * m_pLayout;
bool m_bRenderNeeded;
};
}
#endif
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