175 lines
7.9 KiB
C++
175 lines
7.9 KiB
C++
/**************************************************************************************/
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/* */
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/* Visualization Library */
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/* http://visualizationlibrary.org */
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/* */
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/* Copyright (c) 2005-2020, Michele Bosi */
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/* All rights reserved. */
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/* */
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/* Redistribution and use in source and binary forms, with or without modification, */
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/* are permitted provided that the following conditions are met: */
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/* */
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/* - Redistributions of source code must retain the above copyright notice, this */
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/* list of conditions and the following disclaimer. */
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/* */
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/* - Redistributions in binary form must reproduce the above copyright notice, this */
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/* list of conditions and the following disclaimer in the documentation and/or */
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/* other materials provided with the distribution. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND */
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/* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED */
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/* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
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/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR */
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/* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
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/* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
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/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON */
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/* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
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/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/**************************************************************************************/
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#ifndef Text_INCLUDE_ONCE
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#define Text_INCLUDE_ONCE
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#include <vlGraphics/Font.hpp>
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#include <vlGraphics/Renderable.hpp>
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#include <vlCore/vlnamespace.hpp>
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#include <vlCore/String.hpp>
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#include <vlCore/Rect.hpp>
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#include <map>
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namespace vl
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{
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/**
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* A Renderable that renders text with a given Font.
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* \sa
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* - Actor
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* - VectorGraphics
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*/
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class VLGRAPHICS_EXPORT Text: public Renderable
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{
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VL_INSTRUMENT_CLASS(vl::Text, Renderable)
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public:
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Text(): mColor(1,1,1,1), mBorderColor(0,0,0,1), mBackgroundColor(1,1,1,1), mOutlineColor(0,0,0,1), mShadowColor(0,0,0,0.5f), mShadowVector(2,-2),
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mInterlineSpacing(5), mAlignment(AlignBottom|AlignLeft), mViewportAlignment(AlignBottom|AlignLeft), mMargin(5), mMode(Text2D), mLayout(LeftToRightText), mTextAlignment(TextAlignLeft),
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mBorderEnabled(false), mBackgroundEnabled(false), mOutlineEnabled(false), mShadowEnabled(false), mKerningEnabled(true)
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{
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VL_DEBUG_SET_OBJECT_NAME()
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}
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const String& text() const { return mText; }
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void setText(const String& text) { mText = text; }
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const fvec4& color() const { return mColor; }
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void setColor(const fvec4& color) { mColor = color; }
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const fvec4& borderColor() const { return mBorderColor; }
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void setBorderColor(const fvec4& border_color) { mBorderColor = border_color; }
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const fvec4& outlineColor() const { return mOutlineColor; }
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void setOutlineColor(const fvec4& outline_color) { mOutlineColor = outline_color; }
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const fvec4& backgroundColor() const { return mBackgroundColor; }
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void setBackgroundColor(const fvec4& background_color) { mBackgroundColor = background_color; }
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const fvec4& shadowColor() const { return mShadowColor; }
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void setShadowColor(const fvec4& shadow_color) { mShadowColor = shadow_color; }
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const fvec2& shadowVector() const { return mShadowVector; }
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void setShadowVector(const fvec2& shadow_vector) { mShadowVector = shadow_vector; }
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int margin() const { return mMargin; }
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void setMargin(int margin) { mMargin = margin; }
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const Font* font() const { return mFont.get(); }
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Font* font() { return mFont.get(); }
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void setFont(Font* font) { mFont = font; }
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const fmat4 matrix() const { return mMatrix; }
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void setMatrix(const fmat4& matrix) { mMatrix = matrix; }
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int alignment() const { return mAlignment; }
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void setAlignment(int align) { mAlignment = align; }
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int viewportAlignment() const { return mViewportAlignment; }
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void setViewportAlignment(int align) { mViewportAlignment = align; }
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float interlineSpacing() const { return mInterlineSpacing; }
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void setInterlineSpacing(float spacing) { mInterlineSpacing = spacing; }
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ETextMode mode() const { return mMode; }
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void setMode(ETextMode mode) { mMode = mode; }
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ETextLayout layout() const { return mLayout; }
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void setLayout(ETextLayout layout) { mLayout = layout; }
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ETextAlign textAlignment() const { return mTextAlignment; }
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void setTextAlignment(ETextAlign align) { mTextAlignment = align; }
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bool borderEnabled() const { return mBorderEnabled; }
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void setBorderEnabled(bool border) { mBorderEnabled = border; }
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bool backgroundEnabled() const { return mBackgroundEnabled; }
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void setBackgroundEnabled(bool background) { mBackgroundEnabled = background; }
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bool kerningEnabled() const { return mKerningEnabled; }
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void setKerningEnabled(bool kerning) { mKerningEnabled = kerning; }
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bool outlineEnabled() const { return mOutlineEnabled; }
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void setOutlineEnabled(bool outline) { mOutlineEnabled = outline; }
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bool shadowEnabled() const { return mShadowEnabled; }
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void setShadowEnabled(bool shadow) { mShadowEnabled = shadow; }
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virtual void render_Implementation(const Actor* actor, const Shader* shader, const Camera* camera, OpenGLContext* gl_context) const;
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void computeBounds_Implementation() { setBoundingBox(AABB()); setBoundingSphere(Sphere()); }
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AABB boundingRect() const;
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AABB boundingRect(const String& text) const;
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AABB boundingRectTransformed(vec3& a, vec3& b, vec3& c, vec3& d, const Camera* camera, const Actor* actor=NULL) const;
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AABB boundingRectTransformed(const Camera* camera, const Actor* actor=NULL) const;
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void translate(float x, float y, float z);
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void rotate(float degrees, float x, float y, float z);
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void resetMatrix();
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// Renderable interface implementation.
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virtual void updateDirtyBufferObject(EBufferObjectUpdateMode) {}
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virtual void deleteBufferObject() {}
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protected:
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void renderText(const Actor*, const Camera* camera, const fvec4& color, const fvec2& offset) const;
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void renderBackground(const Actor* actor, const Camera* camera) const;
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void renderBorder(const Actor* actor, const Camera* camera) const;
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AABB rawboundingRect(const String& text) const;
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protected:
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mutable ref<Font> mFont;
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String mText;
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fvec4 mColor;
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fvec4 mBorderColor;
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fvec4 mBackgroundColor;
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fvec4 mOutlineColor;
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fvec4 mShadowColor;
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fvec2 mShadowVector;
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fmat4 mMatrix;
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float mInterlineSpacing;
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int mAlignment;
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int mViewportAlignment;
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int mMargin;
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ETextMode mMode;
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ETextLayout mLayout;
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ETextAlign mTextAlignment;
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bool mBorderEnabled;
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bool mBackgroundEnabled;
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bool mOutlineEnabled;
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bool mShadowEnabled;
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bool mKerningEnabled;
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};
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}
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#endif
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