157 lines
3.9 KiB
C++
157 lines
3.9 KiB
C++
#include "text.h"
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// Constructor
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Text::Text()
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{
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mSprite = new Sprite();
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init(nullptr, nullptr, 0, 0);
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}
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// Destructor
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Text::~Text()
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{
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delete mSprite;
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}
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// Inicializador
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void Text::init(LTexture *texture, SDL_Renderer *renderer, Uint8 height)
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{
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// Inicializa variables
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mHeight = height;
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// Inicia los valores del sprite que dibuja las letras
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mSprite->setWidth(mHeight);
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mSprite->setHeight(mHeight);
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mSprite->setPosX(0);
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mSprite->setPosY(0);
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mSprite->setTexture(texture);
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mSprite->setRenderer(renderer);
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mSprite->setSpriteClip(0, 0, mSprite->getWidth(), mSprite->getHeight());
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// Cadena con los caracteres ascii que se van a inicializar
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std::string text = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ{\\[]]^_`abcdefghijklmnopqrstuvwxyz";
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// Inicializa a cero el vector con las coordenadas
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for (Uint8 i = 0; i < 255; i++)
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{
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mOffset[i].x = 0;
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mOffset[i].y = 0;
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mOffset[i].w = 0;
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}
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// Establece las coordenadas para cada caracter ascii de la cadena y su ancho
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for (Uint8 i = 0; i < text.length(); ++i)
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{
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mOffset[int(text[i])].x = ((int(text[i]) - 32) % 15) * mSprite->getWidth();
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mOffset[int(text[i])].y = ((int(text[i]) - 32) / 15) * mSprite->getHeight();
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mOffset[int(text[i])].w = mHeight;
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mOffset[int(text[i])].h = mHeight;
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}
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}
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// Escribe el texto en pantalla
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void Text::write(int x, int y, std::string text)
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{
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Uint16 shift = 0;
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for (Uint8 i = 0; i < text.length(); ++i)
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{
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mSprite->setSpriteClip(mOffset[int(text[i])].x, mOffset[int(text[i])].y, mSprite->getWidth(), mSprite->getHeight());
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mSprite->setPosX(x + shift);
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mSprite->setPosY(y);
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mSprite->render();
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shift += (mOffset[int(text[i])].w);
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}
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}
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// Escribe el texto en pantalla con kerning
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void Text::write(int x, int y, std::string text, int kerning)
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{
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Uint16 shift = 0;
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for (Uint8 i = 0; i < text.length(); ++i)
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{
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mSprite->setSpriteClip(mOffset[int(text[i])].x, mOffset[int(text[i])].y, mSprite->getWidth(), mSprite->getHeight());
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mSprite->setPosX(x + shift);
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mSprite->setPosY(y);
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mSprite->render();
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shift += (mOffset[int(text[i])].w + kerning);
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}
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}
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// Escribe una cantidad determinada de caracteres del texto en pantalla
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void Text::write(int x, int y, std::string text, int kerning, Uint8 lenght)
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{
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Uint16 shift = 0;
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for (Uint8 i = 0; i < lenght; ++i)
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{
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if (text[i] == '*')
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{
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shift = 0;
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y += mHeight;
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}
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else
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{
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mSprite->setSpriteClip(mOffset[int(text[i])].x, mOffset[int(text[i])].y, mSprite->getWidth(), mSprite->getHeight());
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mSprite->setPosX(x + shift);
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mSprite->setPosY(y);
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mSprite->render();
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shift += (mOffset[int(text[i])].w + kerning);
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}
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}
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}
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// Escribe el texto con colores
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void Text::writeColored(int x, int y, std::string text, Uint8 R, Uint8 G, Uint8 B)
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{
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mSprite->getTexture()->setColor(R, G, B);
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write(x, y, text);
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mSprite->getTexture()->setColor(255, 255, 255);
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}
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// Escribe el texto centrado en un punto x y con kerning
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void Text::writeCentered(int x, int y, std::string text, int kerning)
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{
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// Uint16 lenght = Text::lenght(text, kerning);
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x = x - (Text::lenght(text, kerning) / 2);
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Uint16 shift = 0;
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for (Uint8 i = 0; i < text.length(); ++i)
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{
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mSprite->setSpriteClip(mOffset[int(text[i])].x, mOffset[int(text[i])].y, mSprite->getWidth(), mSprite->getHeight());
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mSprite->setPosX(x + shift);
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mSprite->setPosY(y);
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mSprite->render();
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shift += (mOffset[int(text[i])].w + kerning);
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}
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}
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// Obtiene la longitud en pixels de una cadena
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Uint16 Text::lenght(std::string text, int kerning)
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{
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Uint16 shift = 0;
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for (Uint8 i = 0; i < text.length(); ++i)
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{
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shift += (mOffset[int(text[i])].w + kerning);
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}
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return shift;
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}
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// Obtiene el valor de la variable
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Uint8 Text::getType()
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{
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return mType;
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}
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// Establece el valor de la variable
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void Text::setType(Uint8 type)
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{
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mType = type;
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}
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// Obtiene el valor de la variable
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Uint8 Text::getSize()
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{
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return mHeight;
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}height Establece el valor de la variable
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void Text::setSize(Uint8 size)
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{
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mHeight = height;
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} |