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/* Copyright (C) 2022 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "Font.h"
#include "graphics/FontManager.h"
#include "ps/Filesystem.h"
#include "ps/CLogger.h"
#include "renderer/Renderer.h"
#include <map>
#include <string>
CFont::GlyphMap::GlyphMap()
{
memset(m_Data, 0, sizeof(m_Data));
}
CFont::GlyphMap::~GlyphMap()
{
for (size_t i = 0; i < ARRAY_SIZE(m_Data); i++)
delete[] m_Data[i];
}
void CFont::GlyphMap::set(u16 i, const GlyphData& val)
{
if (!m_Data[i >> 8])
m_Data[i >> 8] = new GlyphData[256]();
m_Data[i >> 8][i & 0xff] = val;
m_Data[i >> 8][i & 0xff].defined = 1;
}
int CFont::GetCharacterWidth(wchar_t c) const
{
const GlyphData* g = m_Glyphs.get(c);
if (!g)
g = m_Glyphs.get(0xFFFD); // Use the missing glyph symbol
if (!g)
return 0;
return g->xadvance;
}
void CFont::CalculateStringSize(const wchar_t* string, int& width, int& height) const
{
width = 0;
height = m_Height;
// Compute the width as the width of the longest line.
int lineWidth = 0;
for (const wchar_t* c = string; *c != '\0'; c++)
{
const GlyphData* g = m_Glyphs.get(*c);
if (!g)
g = m_Glyphs.get(0xFFFD); // Use the missing glyph symbol
if (g)
lineWidth += g->xadvance; // Add the character's advance distance
if (*c == L'\n')
{
height += m_LineSpacing;
width = std::max(width, lineWidth);
lineWidth = 0;
}
}
width = std::max(width, lineWidth);
}
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