98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/****************************************************************************
|
|
* Copyright (C) 2015 Dimok
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
****************************************************************************/
|
|
#include <cstdarg>
|
|
#include <SDL2/SDL_surface.h>
|
|
#include <gui/GuiText.h>
|
|
#include <gui/system/libgui_log.h>
|
|
|
|
/**
|
|
* Constructor for the GuiText class.
|
|
*/
|
|
|
|
GuiText::GuiText(const std::string& text, SDL_Color c, FC_Font* gFont) {
|
|
this->text = text;
|
|
this->color = c;
|
|
this->fc_font = gFont;
|
|
this->doUpdateTexture = true;
|
|
this->texture.setParent(this);
|
|
}
|
|
|
|
GuiText::~GuiText() {
|
|
delete textureData;
|
|
}
|
|
|
|
void GuiText::draw(Renderer *renderer) {
|
|
if (!this->isVisible()) {
|
|
return;
|
|
}
|
|
|
|
updateTexture(renderer);
|
|
|
|
texture.draw(renderer);
|
|
}
|
|
|
|
void GuiText::process() {
|
|
GuiElement::process();
|
|
}
|
|
|
|
void GuiText::setMaxWidth(float width) {
|
|
this->maxWidth = width;
|
|
|
|
// Rebuild the texture cache on next draw
|
|
doUpdateTexture = true;
|
|
}
|
|
|
|
void GuiText::updateSize() {
|
|
auto height = FC_GetColumnHeight(fc_font, maxWidth, text.c_str());
|
|
auto width = FC_GetWidth(fc_font, text.c_str());
|
|
width = width > maxWidth ? maxWidth : width;
|
|
this->setSize(width, height);
|
|
}
|
|
|
|
void GuiText::updateTexture(Renderer *renderer) {
|
|
if(doUpdateTexture) {
|
|
updateSize();
|
|
int tex_width = width == 0 ? 1 : (int) width;
|
|
int tex_height = height == 0 ? 1 : (int)height;
|
|
|
|
SDL_Texture *temp = SDL_CreateTexture(renderer->getRenderer(), renderer->getPixelFormat(), SDL_TEXTUREACCESS_TARGET, tex_width, tex_height);
|
|
if (temp) {
|
|
texture.setTexture(nullptr);
|
|
delete textureData;
|
|
textureData = new GuiTextureData(temp);
|
|
textureData->setBlendMode(SDL_BLENDMODE_BLEND);
|
|
texture.setTexture(textureData);
|
|
|
|
// Set render target to texture
|
|
SDL_SetRenderTarget(renderer->getRenderer(), temp);
|
|
|
|
// Clear texture.
|
|
SDL_SetRenderDrawColor(renderer->getRenderer(), 0, 0, 0, 0);
|
|
SDL_RenderClear(renderer->getRenderer());
|
|
|
|
// Draw text to texture
|
|
FC_DrawColumn(fc_font, renderer->getRenderer(), 0, 0, maxWidth, text.c_str());
|
|
|
|
// Restore render target
|
|
SDL_SetRenderTarget(renderer->getRenderer(), nullptr);
|
|
} else {
|
|
LG_Log("Failed to create texture");
|
|
}
|
|
doUpdateTexture = false;
|
|
}
|
|
}
|