mirror of
https://github.com/Maschell/SDL2_Playground.git
synced 2024-06-02 23:48:46 +02:00
89 lines
2.5 KiB
C++
89 lines
2.5 KiB
C++
/****************************************************************************
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* Copyright (C) 2015 Dimok
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include <cstdarg>
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#include <SDL2/SDL_surface.h>
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#include "GuiText.h"
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/**
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* Constructor for the GuiText class.
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*/
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GuiText::GuiText(const std::string& text, SDL_Color c, FC_Font* gFont) {
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this->text = text;
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this->color = c;
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this->fc_font = gFont;
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updateSize();
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this->doUpdateTexture = true;
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}
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GuiText::~GuiText(){
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if(fc_font){
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FC_FreeFont(fc_font);
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fc_font = nullptr;
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}
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delete texture;
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}
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void GuiText::draw(Renderer *renderer) {
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if (!this->isVisible()) {
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return;
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}
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updateTexture(renderer);
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if(texture){
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texture->draw(renderer);
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}
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}
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void GuiText::process() {
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GuiElement::process();
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}
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void GuiText::setMaxWidth(float width) {
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this->maxWidth = width;
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// Rebuild the texture cache.
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doUpdateTexture = true;
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}
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void GuiText::updateSize() {
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auto height = FC_GetColumnHeight(fc_font, maxWidth, text.c_str());
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auto width = FC_GetWidth(fc_font, text.c_str());
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width = width > maxWidth ? maxWidth : width;
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this->setSize(width, height);
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}
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void GuiText::updateTexture(Renderer *renderer) {
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if(!texture || doUpdateTexture) {
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updateSize();
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SDL_Texture *temp = SDL_CreateTexture(renderer->getRenderer(), renderer->getPixelFormat(), SDL_TEXTUREACCESS_TARGET, (int) width, (int) height);
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if (temp) {
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delete texture;
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texture = new GuiTexture(temp);
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texture->setParent(this);
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texture->setBlendMode(SDL_BLENDMODE_BLEND);
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FC_DrawColumnToTexture(fc_font, temp, 0, 0, maxWidth, text.c_str());
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doUpdateTexture = false;
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} else {
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DEBUG_FUNCTION_LINE("Failed to create texture");
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}
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}
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}
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