/*
Copyright (c) 2005-2007 Lode Vandevenne
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 Lode Vandevenne nor the names of his 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.
*/
#include "lpi_text.h"
#include "lpi_screen.h"
#include "lodepng.h"
namespace lpi
{
std::vector<Texture> builtInFontTexture8x8;
std::vector<Texture> builtInFontTexture6x6;
std::vector<Texture> builtInFontTexture4x5;
int Font::getWidth()
{
if(texture.size() > 0) return texture[0].getU();
else return 0;
}
int Font::getHeight()
{
if(texture.size() > 0) return texture[0].getV();
else return 0;
}
//Markup struct constructor
Markup::Markup(const ColorRGB& color1, const ColorRGB& color2, int style, Font* font, int charSpacing, int lineSpacing)
{
this->color1 = color1;
this->color2 = color2;
this->style = style;
this->font = font;
this->charSpacing = charSpacing;
this->lineSpacing = lineSpacing;
}
Markup operator/(Markup ts, int a)
{
ts.color1 = ts.color1 / a;
ts.color2 = ts.color2 / a;
return ts;
}
int Markup::getWidth() const
{
return font->getWidth() + charSpacing;
}
int Markup::getHeight() const
{
return font->getHeight() + lineSpacing;
}
std::vector<Font> externFont; //loading up textures for the other fonts will be done in the textures.cpp file
Font builtInFont8x8;
Font builtInFont6x6;
Font builtInFont4x5;
//****************************************************************************//
////////////////////////////////////////////////////////////////////////////////
//BASIC PRINT FUNCTIONS/////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//****************************************************************************//
/*
drawLetter draws a single letter at asked position, and is used by most print
functions to draw the characters.
Parameters:
n: extended ascii code of the character to be drawn, for example code 65 is capital A
x: x position of top left corner of the letter
y: y position of top left corner of the letter
markup: the text style, see in the header near Markup for an explanation
*/
void drawLetter(unsigned char n, int x, int y, const Markup& markup)
{
Font* FONT = markup.font;
int shadowx = 0, shadowy = 0;
if(markup.style & 2) shadowx++;
if(markup.style & 4) shadowx--;
if(markup.style & 8) shadowy--;
if(markup.style & 16) shadowy++;
if(markup.style & 32) shadowx += 2;
if(markup.style & 64) shadowx -= 2;
if(markup.style & 128) shadowy -= 2;
if(markup.style & 256) shadowy += 2;
int italic = 0;
if(markup.style & 1024) italic = 1;
//draw the background, using the "completely filled" letter: ascii char 219
if(markup.style & 1)
{
(FONT->texture)[219].draw(x, y, markup.color2, -1, -1, italic);
}
if(markup.style > 1)
{
(FONT->texture)[n].draw(x + shadowx, y + shadowy, markup.color2, -1, -1, italic);
}
(FONT->texture)[n].draw(x, y, markup.color1, -1, -1, italic);
if(markup.style & 512) //bold
{
(FONT->texture)[n].draw(x + 1, y, markup.color1, -1, -1, italic);
}
}
//Draws a string of text, null terminated
int printString(std::string text, int x, int y, const Markup& markup, unsigned long forceLength)
{
unsigned long pos = 0;
while((pos < text.length() && forceLength == 0 /*&& text[pos] != 0*/) || (pos < forceLength && pos < text.length() /*&& text[pos] != 0*/ && forceLength > 0))
{
drawLetter(text[pos], x, y, markup);
pos++;
x += markup.getWidth();
}
//return position of a next character, where you may want to start drawing another string
return screenHeight() * x + y;
}
//Draws a string of text, and uses some of the ascii control characters, e.g. newline
//Other control characters (ascii value < 32) are ignored and have no effect.
int printText(std::string text, int x, int y, const Markup& markup, unsigned long forceLength)
{
unsigned long pos = 0;
int drawX = x;
int drawY = y;
int symbol;
while((pos < text.length() && forceLength == 0) || (pos < forceLength && pos < text.length() && forceLength > 0))
{
symbol = text[pos];
if(symbol > 31 || symbol < 0) //it's a signed char, below 0 are the ones above 128
{
drawLetter(text[pos], drawX, drawY, markup);
drawX += markup.getWidth();
}
else
{
switch(symbol)
{
case 10: //newline
drawX = x;
drawY += markup.getHeight();
break;
default: break;
}
}
pos++;
}
//return pos;
return screenHeight() * drawX + drawY;
}
///////////////////////////////////////////////////////////////////////////////
//FORMATTED TEXT///////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
int printFormattedM(std::string text, int x, int y, Markup& markup, const Markup& originalMarkup)
{
unsigned long pos = 0;
int drawX = x;
int drawY = y;
unsigned char symbol;
while(pos < text.length())
{
symbol = text[pos];
if(symbol == '#')
{
if(pos + 1 >= text.length()) return screenHeight() * drawX + drawY;
pos++;
symbol = text[pos];
if(symbol == '#')
{
drawLetter('#', drawX, drawY, markup);
drawX += markup.getWidth();
}
else if(symbol == '\'')
{
drawLetter('"', drawX, drawY, markup);
drawX += markup.getWidth();
}
else if(symbol == 'n')
{
drawX = x;
drawY += markup.getHeight();
}
else if(symbol == 'c')
{
if(pos + 8 >= text.length()) return screenHeight() * drawX + drawY;
pos++;
int r1, r2, g1, g2, b1, b2, a1, a2;
r1 = text[pos] - 48; if(r1 > 9) r1 -= 7; pos++;
r2 = text[pos] - 48; if(r2 > 9) r2 -= 7; pos++;
g1 = text[pos] - 48; if(g1 > 9) g1 -= 7; pos++;
g2 = text[pos] - 48; if(g2 > 9) g2 -= 7; pos++;
b1 = text[pos] - 48; if(b1 > 9) b1 -= 7; pos++;
b2 = text[pos] - 48; if(b2 > 9) b2 -= 7; pos++;
a1 = text[pos] - 48; if(a1 > 9) a1 -= 7; pos++;
a2 = text[pos] - 48; if(a2 > 9) a2 -= 7;
markup.color1.r = 16 * r1 + r2;
markup.color1.g = 16 * g1 + g2;
markup.color1.b = 16 * b1 + b2;
markup.color1.a = 16 * a1 + a2;
}
else if(symbol == 'b')
{
if(pos + 8 >= text.length()) return screenHeight() * drawX + drawY;
pos++;
int r1, r2, g1, g2, b1, b2, a1, a2;
r1 = text[pos] - 48; if(r1 > 9) r1 -= 7; pos++;
r2 = text[pos] - 48; if(r2 > 9) r2 -= 7; pos++;
g1 = text[pos] - 48; if(g1 > 9) g1 -= 7; pos++;
g2 = text[pos] - 48; if(g2 > 9) g2 -= 7; pos++;
b1 = text[pos] - 48; if(b1 > 9) b1 -= 7; pos++;
b2 = text[pos] - 48; if(b2 > 9) b2 -= 7; pos++;
a1 = text[pos] - 48; if(a1 > 9) a1 -= 7; pos++;
a2 = text[pos] - 48; if(a2 > 9) a2 -= 7;
markup.color2.r = 16 * r1 + r2;
markup.color2.g = 16 * g1 + g2;
markup.color2.b = 16 * b1 + b2;
markup.color2.a = 16 * a1 + a2;
}
else if(symbol == '!') //reset markup to the given one
{
markup = originalMarkup;
}
else if(symbol == '?') //draw any of the 256 glyphs, which one is given by 2 hex digits
{
if(pos + 8 >= text.length()) return screenHeight() * drawX + drawY;
pos++;
int g1, g2;
g1 = text[pos] - 48; if(g1 > 9) g1 -= 7; pos++;
g2 = text[pos] - 48; if(g2 > 9) g2 -= 7;
drawLetter(char(16 * g1 + g2), drawX, drawY, markup);
drawX += markup.getWidth();
}
}
else
{
drawLetter(text[pos], drawX, drawY, markup);
drawX += markup.getWidth();
}
pos++;
}
return screenHeight() * drawX + drawY;
}
int printFormatted(std::string text, int x, int y, const Markup& markup)
{
Markup markup_ = markup;
return printFormattedM(text, x, y, markup_, markup);
}
int getFormattedTextAttrSize(char c)
{
switch(c)
{
case '#': return 0; break;
case '\'': return 0; break;
case 'n': return 0; break;
case 'c': return 8; break;
case 'b': return 8; break;
case '!': return 0; break;
case '?': return 2; break;
default: return 0; break;
}
}
int getFormattedTextSymbolPrintSize(char c)
{
switch(c)
{
case '#': return 1; break;
case '\'': return 1; break;
case 'n': return 0; break;
case 'c': return 0; break;
case 'b': return 0; break;
case '!': return 0; break;
case '?': return 1; break;
default: return 0; break;
}
}
void getFormattedTextSize(std::string text, int& xsize, int& ysize, const Markup& markup_)
{
xsize = 0;
ysize = markup_.getHeight();
int currentX = 0, currentY = markup_.getHeight();
unsigned long pos = 0;
Markup markup = markup_;
unsigned char symbol;
while(pos < text.length())
{
symbol = text[pos];
if(symbol == '#')
{
if(pos + 1 >= text.length()) return;
pos++;
symbol = text[pos];
if(symbol == 'n')
{
currentX = 0;
currentY += markup.getHeight();
if(currentY > ysize) ysize = currentY;
}
else if(symbol == '!') //reset markup to the given one
{
markup = markup_;
}
else
{
pos += getFormattedTextAttrSize(symbol);
currentX += markup.getWidth() * getFormattedTextSymbolPrintSize(symbol);
if(currentX > xsize) xsize = currentX;
}
}
else
{
currentX += markup.getWidth();
if(currentX > xsize) xsize = currentX;
}
pos++;
}
}
void getFormattedMarkup(std::string text, Markup& markup, const Markup& originalMarkup) //this one calculates which markup you'll get after this text
{
unsigned long pos = 0;
unsigned char symbol;
while(pos < text.length())
{
symbol = text[pos];
if(symbol == '#')
{
if(pos + 1 >= text.length()) return;
pos++;
symbol = text[pos];
if(symbol == 'c')
{
if(pos + 8 >= text.length()) return;
pos++;
int r1, r2, g1, g2, b1, b2, a1, a2;
r1 = text[pos] - 48; if(r1 > 9) r1 -= 7; pos++;
r2 = text[pos] - 48; if(r2 > 9) r2 -= 7; pos++;
g1 = text[pos] - 48; if(g1 > 9) g1 -= 7; pos++;
g2 = text[pos] - 48; if(g2 > 9) g2 -= 7; pos++;
b1 = text[pos] - 48; if(b1 > 9) b1 -= 7; pos++;
b2 = text[pos] - 48; if(b2 > 9) b2 -= 7; pos++;
a1 = text[pos] - 48; if(a1 > 9) a1 -= 7; pos++;
a2 = text[pos] - 48; if(a2 > 9) a2 -= 7;
markup.color1.r = 16 * r1 + r2;
markup.color1.g = 16 * g1 + g2;
markup.color1.b = 16 * b1 + b2;
markup.color1.a = 16 * a1 + a2;
}
else if(symbol == 'b')
{
if(pos + 8 >= text.length()) return;
pos++;
int r1, r2, g1, g2, b1, b2, a1, a2;
r1 = text[pos] - 48; if(r1 > 9) r1 -= 7; pos++;
r2 = text[pos] - 48; if(r2 > 9) r2 -= 7; pos++;
g1 = text[pos] - 48; if(g1 > 9) g1 -= 7; pos++;
g2 = text[pos] - 48; if(g2 > 9) g2 -= 7; pos++;
b1 = text[pos] - 48; if(b1 > 9) b1 -= 7; pos++;
b2 = text[pos] - 48; if(b2 > 9) b2 -= 7; pos++;
a1 = text[pos] - 48; if(a1 > 9) a1 -= 7; pos++;
a2 = text[pos] - 48; if(a2 > 9) a2 -= 7;
markup.color2.r = 16 * r1 + r2;
markup.color2.g = 16 * g1 + g2;
markup.color2.b = 16 * b1 + b2;
markup.color2.a = 16 * a1 + a2;
}
else if(symbol == '!') //reset markup to the given one
{
markup = originalMarkup;
}
}
pos++;
}
}
////////////////////////////////////////////////////////////////////////////////
//ADVANCED TEXT DRAWING FUNCTIONS///////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
void printCentered(std::string text, int x, int y, const Markup& markup, unsigned long forceLength)
{
int pos = 0;
while(text[pos] != 0) pos++;
x -= pos * markup.getWidth() / 2;
y -= markup.getHeight() / 2;
print(text, x, y, markup, forceLength);
}
namespace //empty namespace
{
LodePNG::Decoder pngdec;
}
void initBuiltInFontTextures()
{
loadTexturesFromBase64PNG(builtInFont8x8.texture, font8x8string, 8, 8, AE_BlackKey);
loadTexturesFromBase64PNG(builtInFont6x6.texture, font6x6string, 6, 6, AE_BlackKey);
loadTexturesFromBase64PNG(builtInFont4x5.texture, font4x5string, 4, 5, AE_BlackKey);
}
////////////////////////////////////////////////////////////////////////////////
//DATA//////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
//NOTE: calling this all may be done by lpi_texture.cpp, in the initTextures() function
/*
A PNG image, encoded in base64, containing the full extended ASCII character
set, in the form 256 bitmap symbols of 8x8 pixels in one 128x128 PNG.
First use the function decodeBase64
Then use the function LodePNG::decodePNG32
And you get the pixels in a buffer
NOTE: the background color is black, not transparent, so may need conversion
*/
const std::string font8x8string = "\
iVBORw0KGgoAAAANSUhEUgAAAIAAAACAAQMAAAD58POIAAAABlBMVEUAAAD///+l2Z/dAAAEtklE\n\
QVRIiY1VP2scRxR/OKA0g6RyQIcFwR/ggcN5i0WCfIc0qQbZjF1Mcbi4PMhm5XQp8gEsMKRKkzpl\n\
DAOCIcVD7sTBKeaqcyPMQYK8xTCb9/ZOUowS8Nzs7OzvfvP+zXszAG0bdqtd6KHfqQ+PTwB+6EvV\n\
CFCffu4fPv4G4Jd5aarKvvMnO/7wuB4YpTT16Vevv/f4+B3A69OmKUUBrgfg5F1VnTe6hO3k6bBk\n\
V5oK5Xa1FKFtC1BVqpbsIp7Ai3vWH7dgrYV1W2zXfn4KdW0twgPbQ3fQ+jnJQmtc9HUPpVj/HeuS\n\
UmIvArsD6/dYCK0y+lpktLBHbW1ri+VBb0VL7fd+am+1AMisEzNuGoaAUDnrhq8tAAqhScEhehTA\n\
KFAiV9HZGtfrEQLZKTjbZ8jyJb0YvIANY5AUOs+gMiaAcViCaQqqBQFfwL/bwCckGuUqE6kKR8Ar\n\
5jo6Zh6WMFygMaGLhhnRZWsgY1Wx6Sw1KCqMhUt0phhGFqOFgSBTFr5jixNUQylnMkSOJoiiBe+Y\n\
AQ3mOsveMt1frlKqIJH34ejIMxrv3i8DvGUf/bNnUYDgylUSoImeKGY05M7fCpAHxpmoD0fpLEFk\n\
leFEhkxSCkCsWlYHTLQsquVOyyQ/5pS4UKRdAM+efxsAds5WA7AQ/1Lglw5tENO5qQQ4rwidtUk8\n\
uqCRACXgkTOaAY6CmEDvEya3pcBqtCTKmBIVukd3reglaAsYQQULtIvJkC8SKANBw7WOn8RfYuqm\n\
YUIeLzuRYjw3sn1TsQqL7l/jI2fHHi3huQLiC0fXeGUkBaa/05RWZkmzJSW+saQDmNxas7t+jexi\n\
up5u9g8tXlRwMZ01zRCgLIBY6DnETYDUh6QADQGSDBJGgqZx5kumEpona8CZVWenGJLJogUKrO7f\n\
WjI0glHLCwQZuFmw5BjDqVoigwhAhAhUE1Ejw6SaiCuSwlvGmCg+ixZxTnb/oGma2Ga1VARY1j+5\n\
cTEKkDOYlg7btt1SQTUJYxOR+iYWIzggtQYS24pX21pyLDYtuAIbeLYH+ZjX1IbbJzSTdDdFxIme\n\
xHGV/26BjnndBHDIwth8Z1myzG+tyDiTJW1rKrIZeXajvhsOgu0JjDR3c62Fn9LGtFEHwYM6bh+K\n\
6bqDHPQ0mc3AezBI3F0e1C7ng78sP5SaU50AMZrHT60wtG75om05mrM3tchoxQhNE/H35c+3QRja\n\
/meayV98/aeccmOA8Vi6ID/++u3HwMDoxtBdjcvVuLtl2K3x1tY1o+uuijCuSum6a8ZY+lgz/VrL\n\
LXCHISetDqpUf/8L7I8fHX7oH/Uf+hsG4iaj9/te+6ND+XtgwMCxgwAdPgHQbvWxUsSrnf4/AOn7\n\
+/L6iGHldQ30fX+4vy9mdmLOakeVjPVRJz4ZkFY0RapqBJLPsoelePDT4d4xjmEqFYqtv6CUbNtG\n\
Oei7GCx7yyU183lm+INjQAWklOfzDUPOGCtXlVx/KiPGUMhZrN4TuFoyJariKNcTbOZyJm5LjUu6\n\
7ugdI7cH4p7F53JwmmCUka3bs/BqAKp6zbA2Q2UFcPVahgTouQT6MjTKUIdn+EqLb12cOWcBPi5V\n\
O9lUrLR/ABF/3H2EtBmWAAAAAElFTkSuQmCC\
";
/*
A PNG image, encoded in base64, containing the full extended ASCII character
set, in the form 256 bitmap symbols of 6x6 pixels in one 96x96 PNG.
First use the function decodeBase64
Then use the function LodePNG::decodePNG32
And you get the pixels in a buffer
NOTE: the background color is black, not transparent, so may need conversion
*/
const std::string font6x6string = "\
iVBORw0KGgoAAAANSUhEUgAAAGAAAABgAQMAAADYVuV7AAAABlBMVEUAAAD///+l2Z/dAAADo0lE\n\
QVQ4jW1TTWjbZhh+ZCvtl6DZivex+WCKZCs/7XZwxg4uhETOcCzlMBx62Q5l7f5zs7pLGIwpih05\n\
wympaCGHkEPo2NZLzrsU1zFVCWyjsPu6uKWBHRYGpRtL8N5PbrsF9iHE9+h53+d79b7PBySvax6O\n\
kj86p7chzd12QhwfzM7XrgPJ23//3vzhtc+dsgvp3uaVHQKf6jIxaw3KOT5Y/OylbQpzpZAEWhoA\n\
1+OLh3i27vj823WmLTHJBLoeX3iQqfpb8f0pYnD28aZ+hxXLGZFzrtzQXCwmGyIt3nougDrPzjJd\n\
7GIEpqoWM+sMkOkg3lpxTS8jtQhjamIQEaMK5tdRl3I0WRSE6AUqABN+Zrh7Jt+CKmdgud6EHLM1\n\
6O0YrGVlPpTz+8yUFFi12KLRsAQD5P3N4V2WbzNVZi+qinbVUHHChL2bmjGaWDXWbVm1lvhbHwf4\n\
fky1w1cWl9IzXwf47iExKWuVzxgBnDHF6STsu6krlHNiVcOEY2zbY4pLh9rGum7csnVmlgRo6iPn\n\
qDaN/sEZixGwDKYSMDubWptbocJaL/5TrDMwZTAJpqeKj9pjpdBOVJHKhQokKvSTlOXx7M0gAl7C\n\
8jICQITFLC+VvfmsNgWnnktG4oruNVDdv+oYN8S86hx2Lq0bN1JFFWYWdvaUPjI03Gaam6WwjLo/\n\
NF5u6u4UzChdciOpieLVs3Hos9DlZjQWV6mAV5aBYi5R6K7nd2m+TRRHAmrDux81ND/AxGiK2nB5\n\
hWm1LVzqUtiGCEMK5ukt29+wjcYbr8vI7UUntBR7bgjOjpLvCI1LzQze3yOB4LyxXtxjKP4W2Dll\n\
0GgeLo+jCoUcUdiNvJOWVhwaNahBH5IOMMBBtckBCvFUnnwAll8dJIcE8+VMMcy8UwsINOdNnJdG\n\
NymnEIfwet8i+sV7Wh1SCfMzwFffWLk6uqXJ+29HzIO1Sa0kv9wu9BneLb15mGD9HK6XuJAg5l+g\n\
uQwerwygMtAHyz9fPO69d9zDdO+n3h+vFvsmR0wwX3z5VDACeFwyRdpJQC3X6HGn40s9XDjkk4f8\n\
qA+Okr9o/tP4ck+A+BNMPuFHseneEnWjLi6k9n8gnPoTvOrL+ABYGOH2o3HdajidNK51eLbELhxs\n\
3NoxcM3gc2WmlwynY2Chhb9qrLq2EY8bkE7chRpTPbJcMnJNWx13hypgl/2I0XwqnFX8KDLrDknu\n\
eCWki3E3rce4tJL+r5AYwj/AsDX88LifHQAAAABJRU5ErkJggg==\
";
/*
A PNG image, encoded in base64, containing printable part of ASCII character
set, in the form 256 bitmap symbols of 4x5 pixels in one 64x80 PNG.
First use the function decodeBase64
Then use the function LodePNG::decodePNG32
And you get the pixels in a buffer
NOTE: the background color is black, not transparent, so may need conversion
*/
const std::string font4x5string = "\
iVBORw0KGgoAAAANSUhEUgAAAEAAAABQAQMAAACTceEGAAAABlBMVEUAAAD///+l2Z/dAAAAwklE\n\
QVQokWNgoBlgWcDJpMLAwARkMLE4LWFgAYkxOPmpsQApTgaVJQ4eCMVO59z0nriouTEsU2txWsXg\n\
oMSwyOnRkhAXNQcGp3cuLhUsQHPgwKXt3LMlWm0pDKtOrOh4otW9iuHcijWnlqzpXMXw6ti5tiWn\n\
Xi5BKD527NXKVc/cHBhWrfFa6aKitAAo4rXaxUWJgaFpjZ/bimdi/FhM1oKZzAczmQuXySFQk4HO\n\
Bpvs48wFNdmNj2aBO0gBPykMWgAArlFWRoV1udAAAAAASUVORK5CYII=\
";
} //namespace lpi