scummvm/engines/crab/text/TextManager.h

130 lines
3.2 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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/>.
*
*/
/*
* This code is based on the CRAB engine
*
* Copyright (c) Arvind Raja Yadav
*
* Licensed under MIT
*
*/
#ifndef CRAB_TEXTMANAGER_H
#define CRAB_TEXTMANAGER_H
#include "crab/vectors.h"
#include "crab/image/Image.h"
#include "crab/text/color.h"
namespace Graphics {
class Font;
} // End of namespace Graphics
namespace Crab {
// We use this object as the key for all fonts
typedef uint FontKey;
// Since we use uint as a key for images, our loadImgKey function is loadNum
#define LoadFontKey loadNum
namespace pyrodactyl {
namespace text {
class TextManager {
// The collection of stored fonts
Common::Array<Graphics::Font *> _font;
// The size of the cache
int _cacheSize;
// The padding at the end of the background - this needs to be loaded from file later
Vector2i _padBg;
// The data stored in our cache - text and texture
struct TextCacheUnit {
Common::String _text;
int _col;
FontKey _font;
pyrodactyl::image::Image _img;
bool _empty;
TextCacheUnit() {
_empty = true;
_col = 0;
_font = 0;
}
~TextCacheUnit() {
_img.deleteImage();
}
bool EqualCol(int color) {
return _col == color;
}
};
// Text Cache - done to avoid having to render a texture every time text is drawn
Common::Array<TextCacheUnit> _cache;
// The oldest element in the text cache
int _oldest;
// The place to store all colors
ColorPool _colpool;
// The rectangle used to store the darkened rectangle coordinates
Rect _rect;
int search(const Common::String &text, int col, FontKey fontid);
int findFreeSlot();
public:
TextManager() {
_oldest = 0;
_cacheSize = 30;
}
~TextManager() {}
void init();
void quit();
void reset();
Graphics::Font *getFont(const FontKey &fontid) {
return _font[fontid];
}
Graphics::ManagedSurface *renderTextBlended(const FontKey &font, const Common::String &text, const int &color);
void draw(const int &x, const int &y, const Common::String &text, const int &color,
const FontKey &font = 0, const Align &align = ALIGN_LEFT, const bool &background = false);
void draw(const int &x, int y, const Common::String &text, const int &color, const FontKey &font, const Align &align,
const uint &lineWidth, const uint &lineHeight, const bool &background = false);
};
} // End of namespace text
} // End of namespace pyrodactyl
} // End of namespace Crab
#endif // CRAB_TEXTMANAGER_H