Files
volcano_2022/source/text.cpp

109 lines
2.6 KiB
C++

#include "text.h"
Text::Text()
{
mSprite = new Sprite();
init(nullptr, nullptr, 0, 0);
}
Text::~Text()
{
delete mSprite;
}
void Text::init(LTexture *texture, SDL_Renderer *renderer, Uint8 height)
{
// Inicializa variables
mHeight = height;
// Inicia los valores del sprite que dibuja las letras
mSprite->setWidth(mHeight);
mSprite->setHeight(mHeight);
mSprite->setPosX(0);
mSprite->setPosY(0);
mSprite->setTexture(texture);
mSprite->setRenderer(renderer);
mSprite->setSpriteClip(0, 0, mSprite->getWidth(), mSprite->getHeight());
// Cadena con los caracteres ascii que se van a inicializar
std::string text = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ{\\[]]^_`abcdefghijklmnopqrstuvwxyz";
// Inicializa a cero el vector con las coordenadas
for (Uint8 i = 0; i < 255; i++)
{
mOffset[i].x = 0;
mOffset[i].y = 0;
mOffset[i].w = 0;
}
// Establece las coordenadas para cada caracter ascii de la cadena y su ancho
for (Uint8 i = 0; i < text.length(); ++i)
{
mOffset[int(text[i])].x = ((int(text[i]) - 32) % 15) * mSprite->getWidth();
mOffset[int(text[i])].y = ((int(text[i]) - 32) / 15) * mSprite->getHeight();
mOffset[int(text[i])].w = mHeight;
mOffset[int(text[i])].h = mHeight;
}
}
void Text::write(int x, int y, std::string text, Sint8 kerning, Uint8 lenght)
{
Uint16 shift = 0;
std::string text2;
if (lenght > 0)
text2 = text.substr(0, lenght);
else
text2 = text;
for (Uint8 i = 0; i < text2.length(); ++i)
{
mSprite->setSpriteClip(mOffset[int(text2[i])].x, mOffset[int(text2[i])].y, mSprite->getWidth(), mSprite->getHeight());
mSprite->setPosX(x + shift);
mSprite->setPosY(y);
mSprite->render();
shift += (mOffset[int(text2[i])].w + kerning);
}
}
void Text::writeColored(int x, int y, std::string text, Uint8 R, Uint8 G, Uint8 B)
{
mSprite->getTexture()->setColor(R, G, B);
write(x, y, text);
mSprite->getTexture()->setColor(255, 255, 255);
}
void Text::writeCentered(int x, int y, std::string text, int kerning)
{
// Uint16 lenght = Text::lenght(text, kerning);
x = x - (Text::lenght(text, kerning) / 2);
Uint16 shift = 0;
for (Uint8 i = 0; i < text.length(); ++i)
{
mSprite->setSpriteClip(mOffset[int(text[i])].x, mOffset[int(text[i])].y, mSprite->getWidth(), mSprite->getHeight());
mSprite->setPosX(x + shift);
mSprite->setPosY(y);
mSprite->render();
shift += (mOffset[int(text[i])].w + kerning);
}
}
Uint16 Text::lenght(std::string text, int kerning)
{
Uint16 shift = 0;
for (Uint8 i = 0; i < text.length(); ++i)
{
shift += (mOffset[int(text[i])].w + kerning);
}
return shift;
}
Uint8 Text::getHeight()
{
return mHeight;
}
void Text::setHeight(Uint8 size)
{
mHeight = size;
}