Aegisub/src/gl_text.h

97 lines
3.4 KiB
C++

// Copyright (c) 2007, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
#include <boost/container/map.hpp>
#include <string>
#include <vector>
#include <wx/font.h>
namespace {
struct OpenGLTextGlyph;
class OpenGLTextTexture;
}
namespace agi { struct Color; }
typedef boost::container::map<int, OpenGLTextGlyph> glyphMap;
class OpenGLText {
float r = 1.f, g = 1.f, b = 1.f, a = 1.f;
int fontSize = 0;
bool fontBold = false;
bool fontItalics = false;
std::string fontFace;
wxFont font;
glyphMap glyphs;
std::vector<OpenGLTextTexture> textures;
OpenGLText(OpenGLText const&) = delete;
OpenGLText& operator=(OpenGLText const&) = delete;
/// @brief Get the glyph for the character chr, creating it if necessary
/// @param chr Character to get the glyph of
/// @return The appropriate OpenGLTextGlyph
OpenGLTextGlyph const& GetGlyph(int chr);
/// @brief Create a new glyph
OpenGLTextGlyph const& CreateGlyph(int chr);
void DrawString(const std::string &text,int x,int y);
public:
/// @brief Get the currently active font
wxFont GetFont() const { return font; }
/// @brief Set the currently active font
/// @param face Name of the desired font
/// @param size Size in points of the desired font
/// @param bold Should the font be bold?
/// @param italics Should the font be italic?
void SetFont(std::string const& face, int size, bool bold, bool italics);
/// @brief Set the text color
/// @param col Color
void SetColour(agi::Color col);
/// @brief Print a string on screen
/// @param text String to print
/// @param x x coordinate
/// @param y y coordinate
void Print(const std::string &text,int x,int y);
/// @brief Get the extents of a string printed with the current font in pixels
/// @param text String to get extends of
/// @param[out] w Width
/// @param[out] h Height
void GetExtent(const std::string &text,int &w,int &h);
OpenGLText();
~OpenGLText();
};