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Copy pathFont.cpp
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290 lines (266 loc) · 6.5 KB
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/*
* Copyright 2010-2014 OpenXcom Developers.
*
* This file is part of OpenXcom.
*
* OpenXcom 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.
*
* OpenXcom 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 OpenXcom. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Font.h"
#include "DosFont.h"
#include "Surface.h"
#include "Language.h"
#include "CrossPlatform.h"
#include "Logger.h"
namespace OpenXcom
{
std::wstring Font::_index = L"";
SDL_Color Font::_palette[] = {{0, 0, 0, 0},
{255, 255, 255, 255},
{207, 207, 207, 255},
{159, 159, 159, 255},
{111, 111, 111, 255},
{63, 63, 63, 255}};
/**
* Initializes the font with a blank surface.
*/
Font::Font() : _surface(0), _width(0), _height(0), _spacing(0), _chars(), _monospace(false)
{
}
/**
* Deletes the font's surface.
*/
Font::~Font()
{
delete _surface;
}
/**
* Loads the characters contained in each font
* from a UTF-8 string to use as the index.
* @param index String of characters.
*/
void Font::setIndex(const std::wstring &index)
{
_index = index;
}
/**
* Loads the font from a YAML file.
* @param node YAML node.
*/
void Font::load(const YAML::Node &node)
{
_width = node["width"].as<int>(_width);
_height = node["height"].as<int>(_height);
_spacing = node["spacing"].as<int>(_spacing);
_monospace = node["monospace"].as<bool>(_monospace);
std::string image = "Language/" + node["image"].as<std::string>();
Surface *fontTemp = new Surface(_width, _height);
fontTemp->loadImage(CrossPlatform::getDataFile(image));
_surface = new Surface(fontTemp->getWidth(), fontTemp->getHeight());
_surface->setPalette(_palette, 0, 6);
fontTemp->blit(_surface);
delete fontTemp;
init();
}
/**
* Generates a pre-defined Codepage 437 (MS-DOS terminal) font.
*/
void Font::loadTerminal()
{
_width = 9;
_height = 16;
_spacing = 0;
_monospace = true;
SDL_RWops *rw = SDL_RWFromConstMem(dosFont, DOSFONT_SIZE);
SDL_Surface *s = SDL_LoadBMP_RW(rw, 0);
SDL_FreeRW(rw);
_surface = new Surface(s->w, s->h);
SDL_Color terminal[2] = {{0, 0, 0, 0}, {185, 185, 185, 255}};
_surface->setPalette(terminal, 0, 2);
SDL_BlitSurface(s, 0, _surface->getSurface(), 0);
SDL_FreeSurface(s);
std::wstring temp = _index;
_index = L" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
init();
_index = temp;
}
/**
* Calculates the real size and position of each character in
* the surface and stores them in SDL_Rect's for future use
* by other classes.
*/
void Font::init()
{
_surface->lock();
int length = (_surface->getWidth() / _width);
if (_monospace)
{
for (size_t i = 0; i < _index.length(); ++i)
{
SDL_Rect rect;
int startX = i % length * _width;
int startY = i / length * _height;
rect.x = startX;
rect.y = startY;
rect.w = _width;
rect.h = _height;
_chars[_index[i]] = rect;
}
}
else
{
for (size_t i = 0; i < _index.length(); ++i)
{
SDL_Rect rect;
int left = -1, right = -1;
int startX = i % length * _width;
int startY = i / length * _height;
for (int x = startX; x < startX + _width; ++x)
{
for (int y = startY; y < startY + _height && left == -1; ++y)
{
Uint8 pixel = _surface->getPixel(x, y);
if (pixel != 0)
{
left = x;
}
}
}
for (int x = startX + _width - 1; x >= startX; --x)
{
for (int y = startY + _height; y-- != startY && right == -1;)
{
Uint8 pixel = _surface->getPixel(x, y);
if (pixel != 0)
{
right = x;
}
}
}
rect.x = left;
rect.y = startY;
rect.w = right - left + 1;
rect.h = _height;
_chars[_index[i]] = rect;
}
}
_surface->unlock();
}
/**
* Returns a particular character from the set stored in the font.
* @param c Character to use for size/position.
* @return Pointer to the font's surface with the respective
* cropping rectangle set up.
*/
Surface *Font::getChar(wchar_t c)
{
if (_chars.find(c) == _chars.end())
{
return 0;
}
_surface->getCrop()->x = _chars[c].x;
_surface->getCrop()->y = _chars[c].y;
_surface->getCrop()->w = _chars[c].w;
_surface->getCrop()->h = _chars[c].h;
return _surface;
}
/**
* Returns the maximum width for any character in the font.
* @return Width in pixels.
*/
int Font::getWidth() const
{
return _width;
}
/**
* Returns the maximum height for any character in the font.
* @return Height in pixels.
*/
int Font::getHeight() const
{
return _height;
}
/**
* Returns the spacing for any character in the font.
* @return Spacing in pixels.
* @note This does not refer to character spacing within the surface,
* but to the spacing used between multiple characters in a line.
*/
int Font::getSpacing() const
{
return _spacing;
}
/**
* Returns the dimensions of a particular character in the font.
* @param c Font character.
* @return Width and Height dimensions (X and Y are ignored).
*/
SDL_Rect Font::getCharSize(wchar_t c)
{
SDL_Rect size = { 0, 0, 0, 0 };
if (c != 1 && !isLinebreak(c) && !isSpace(c))
{
size.w = _chars[c].w + _spacing;
size.h = _chars[c].h + _spacing;
}
else
{
if (_monospace)
size.w = _width + _spacing;
else if (isNonBreakableSpace(c))
size.w = _width / 4;
else
size.w = _width / 2;
size.h = _height + _spacing;
}
// In case anyone mixes them up
size.x = size.w;
size.y = size.h;
return size;
}
/**
* Returns the surface stored within the font. Used for loading the
* actual graphic into the font.
* @return Pointer to the internal surface.
*/
Surface *Font::getSurface() const
{
return _surface;
}
void Font::fix(const std::string &file, int width)
{
Surface *s = new Surface(width, 512);
s->setPalette(_palette, 0, 6);
_surface->setPalette(_palette, 0, 6);
int x = 0;
int y = 0;
for (size_t i = 0; i < _index.length(); ++i)
{
SDL_Rect rect = _chars[_index[i]];
_surface->getCrop()->x = rect.x;
_surface->getCrop()->y = rect.y;
_surface->getCrop()->w = rect.w;
_surface->getCrop()->h = rect.h;
_surface->setX(x);
_surface->setY(y);
_surface->blit(s);
x += _width;
if (x == width)
{
x = 0;
y += _height;
}
}
SDL_SaveBMP(s->getSurface(), file.c_str());
}
}