Text.hpp

 
//
// TGUI - Texus' Graphical User Interface
// Copyright (C) 2012-2023 Bruno Van de Velde (vdv_b@tgui.eu)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
 
 
#ifndef TGUI_TEXT_HPP
#define TGUI_TEXT_HPP
 
#include <TGUI/Font.hpp>
#include <TGUI/Color.hpp>
#include <TGUI/Vector2.hpp>
#include <TGUI/TextStyle.hpp>
#include <TGUI/RenderStates.hpp>
 
 
TGUI_MODULE_EXPORT namespace tgui
{
 class BackendText;
 
 
 constexpr unsigned int AutoTextSize = 0xFFFFFFFF;
 
 
 class TGUI_API Text
 {
 public:
 
 struct Blueprint
 {
 unsigned int characterSize;
 unsigned int style;
 Color color;
 String text;
 Vector2u gapSize;
 };
 
 TGUI_NODISCARD static float getExtraHorizontalPadding(const Font& font, unsigned int characterSize);
 
 
 TGUI_NODISCARD static float getExtraHorizontalOffset(const Font& font, unsigned int characterSize);
 
 
 TGUI_NODISCARD static float getExtraVerticalPadding(unsigned int characterSize);
 
 
 TGUI_NODISCARD static float getLineHeight(const Font& font, unsigned int characterSize);
 
 
 TGUI_NODISCARD static float getLineWidth(const String &text, const Font& font, unsigned int characterSize, TextStyles textStyle = {});
 
 
 TGUI_NODISCARD static unsigned int findBestTextSize(const Font& font, float height, int fit = 0);
 
 
 TGUI_NODISCARD static String wordWrap(float maxWidth, const String& text, const Font& font, unsigned int textSize, bool bold);
 
 
 TGUI_NODISCARD static std::vector<std::vector<Blueprint>> wordWrap(float maxWidth, const std::vector<std::vector<Blueprint>>& lines, const Font& font);
 
 
 public:
 
 
 Text();
 
 
 // Copy constructor
 Text(const Text&);
 
 // Move constructor
 Text(Text&&) noexcept = default;
 
 // Overload of copy assignment operator
 Text& operator=(const Text&);
 
 // Move assignment operator
 Text& operator=(Text&&) noexcept = default;
 
 
 void setPosition(Vector2f position);
 
 
 TGUI_NODISCARD Vector2f getPosition() const;
 
 
 TGUI_NODISCARD Vector2f getSize() const;
 
 
 void setString(const String& string);
 
 
 TGUI_NODISCARD const String& getString() const;
 
 
 void setCharacterSize(unsigned int size);
 
 
 TGUI_NODISCARD unsigned int getCharacterSize() const;
 
 
 void setColor(Color color);
 
 
 TGUI_NODISCARD Color getColor() const;
 
 
 void setOpacity(float opacity);
 
 
 TGUI_NODISCARD float getOpacity() const;
 
 
 void setFont(const Font& font);
 
 
 TGUI_NODISCARD Font getFont() const;
 
 
 void setStyle(TextStyles style);
 
 
 TGUI_NODISCARD TextStyles getStyle() const;
 
 
 void setOutlineColor(Color color);
 
 
 TGUI_NODISCARD Color getOutlineColor() const;
 
 
 void setOutlineThickness(float thickness);
 
 
 TGUI_NODISCARD float getOutlineThickness() const;
 
 
 TGUI_NODISCARD Vector2f findCharacterPos(std::size_t index) const;
 
 
 TGUI_NODISCARD float getExtraHorizontalPadding() const;
 
 
 TGUI_NODISCARD float getExtraHorizontalOffset() const;
 
 
 TGUI_NODISCARD float getLineHeight() const;
 
 
 TGUI_NODISCARD float getLineWidth() const;
 
 
 TGUI_NODISCARD std::shared_ptr<BackendText> getBackendText() const;
 
 
 private:
 
 std::shared_ptr<BackendText> m_backendText;
 Vector2f m_position;
 Font m_font;
 Color m_color;
 Color m_outlineColor;
 float m_opacity = 1;
 };
 
}
 
 
#endif // TGUI_TEXT_HPP