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Diffstat (limited to 'src/player/WordsNode.h')
| -rw-r--r-- | src/player/WordsNode.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/player/WordsNode.h b/src/player/WordsNode.h new file mode 100644 index 0000000..c189e9f --- /dev/null +++ b/src/player/WordsNode.h @@ -0,0 +1,158 @@ +// +// 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 + |