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Very early, incomplete, and so far unused gl text class. 

Originally committed to SVN as r1059.
This commit is contained in:
Rodrigo Braz Monteiro 2007-04-12 12:49:41 +00:00
parent a891964bc2
commit f173204498
2 changed files with 259 additions and 0 deletions
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163
aegisub/gl_text.cpp Normal file
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// 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
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
///////////
// Headers
#include "gl_text.h"
///////////////////
// Static instance
OpenGLText* OpenGLText::instance;
///////////////
// Constructor
OpenGLText::OpenGLText() {
r = g = b = a = 1.0f;
}
//////////////
// Destructor
OpenGLText::~OpenGLText() {
}
////////////////
// Get instance
OpenGLText* OpenGLText::GetInstance() {
if (!instance) instance = new OpenGLText();
wxASSERT(instance);
return instance;
}
////////////
// Set font
void OpenGLText::DoSetFont(wxString face,int size) {
}
//////////////
// Set colour
void OpenGLText::DoSetColour(wxColour col,float alpha) {
r = col.Red() / 255.0f;
g = col.Green() / 255.0f;
b = col.Blue() / 255.0f;
a = alpha;
}
/////////
// Print
void OpenGLText::DoPrint(wxString text,int x,int y) {
}
///////////////
// Get a glyph
OpenGLTextGlyph OpenGLText::GetGlyph(int i) {
glyphMap::iterator res = glyphs.find(i);
// Found
if (res != glyphs.end()) return res->second;
// Not found, create it
return CreateGlyph(i);
}
//////////////////
// Create a glyph
OpenGLTextGlyph OpenGLText::CreateGlyph(int n) {
// Create glyph
OpenGLTextGlyph glyph;
glyph.x = 0;
glyph.y = 0;
glyph.w = 0;
glyph.h = 0;
glyph.tex = 0;
// Render glyph;
int w = 16;
int h = 16;
// Insert into some texture
bool ok = false;
for (unsigned int i=0;i<textures.size();i++) {
if (textures[i]->CanFit(w,h)) {
textures[i]->Insert(glyph);
ok = true;
}
}
// No texture could fit it, create a new one
if (!ok) {
textures.push_back(new OpenGLTextTexture());
textures.back()->Insert(glyph);
}
// Set glyph and return it
glyphs[n] = glyph;
return glyph;
}
///////////////////////
// Texture constructor
OpenGLTextTexture::OpenGLTextTexture() {
}
//////////////////////
// Texture destructor
OpenGLTextTexture::~OpenGLTextTexture() {
}
//////////////////////////
// Can fit a glyph in it?
bool OpenGLTextTexture::CanFit(int w,int h) {
return true;
}
////////////////////////
// Insert a glyph in it
void OpenGLTextTexture::Insert(OpenGLTextGlyph glyph) {
}

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aegisub/gl_text.h Normal file
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// 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
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
#pragma once
///////////
// Headers
#include <wx/wxprec.h>
#include <GL/gl.h>
#include <map>
#include <vector>
/////////////////////
// Glyph information
class OpenGLTextGlyph {
public:
int tex;
float x,y,w,h;
};
typedef std::map<int,OpenGLTextGlyph> glyphMap;
///////////////
// Texture map
class OpenGLTextTexture {
public:
GLuint tex;
bool CanFit(int w,int h);
void Insert(OpenGLTextGlyph glyph);
OpenGLTextTexture();
~OpenGLTextTexture();
};
/////////////////////////////
// OpenGL Text Drawing class
class OpenGLText {
private:
float r,g,b,a;
static OpenGLText* instance;
glyphMap glyphs;
std::vector <OpenGLTextTexture*> textures;
OpenGLText();
~OpenGLText();
OpenGLTextGlyph GetGlyph(int i);
OpenGLTextGlyph CreateGlyph(int i);
static OpenGLText* GetInstance();
void DoSetFont(wxString face,int size);
void DoSetColour(wxColour col,float alpha);
void DoPrint(wxString text,int x,int y);
public:
static void SetFont(wxString face,int size) { GetInstance()->DoSetFont(face,size); }
static void SetColour(wxColour col,float alpha=1.0f) { GetInstance()->DoSetColour(col,alpha); }
static void Print(wxString text,int x,int y) { GetInstance()->DoPrint(text,x,y); }
};