vladislavbelov
ffc4a56b9f
Fixes #6846 Differential Revision: https://code.wildfiregames.com/D5185 This was SVN commit r27965.
87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
/* Copyright (C) 2022 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "Font.h"
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#include "graphics/FontManager.h"
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#include "ps/Filesystem.h"
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#include "ps/CLogger.h"
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#include "renderer/Renderer.h"
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#include <map>
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#include <string>
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CFont::GlyphMap::GlyphMap()
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{
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memset(m_Data, 0, sizeof(m_Data));
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}
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CFont::GlyphMap::~GlyphMap()
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{
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for (size_t i = 0; i < ARRAY_SIZE(m_Data); i++)
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delete[] m_Data[i];
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}
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void CFont::GlyphMap::set(u16 i, const GlyphData& val)
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{
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if (!m_Data[i >> 8])
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m_Data[i >> 8] = new GlyphData[256]();
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m_Data[i >> 8][i & 0xff] = val;
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m_Data[i >> 8][i & 0xff].defined = 1;
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}
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int CFont::GetCharacterWidth(wchar_t c) const
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{
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const GlyphData* g = m_Glyphs.get(c);
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if (!g)
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g = m_Glyphs.get(0xFFFD); // Use the missing glyph symbol
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if (!g)
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return 0;
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return g->xadvance;
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}
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void CFont::CalculateStringSize(const wchar_t* string, int& width, int& height) const
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{
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width = 0;
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height = m_Height;
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// Compute the width as the width of the longest line.
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int lineWidth = 0;
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for (const wchar_t* c = string; *c != '\0'; c++)
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{
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const GlyphData* g = m_Glyphs.get(*c);
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if (!g)
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g = m_Glyphs.get(0xFFFD); // Use the missing glyph symbol
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if (g)
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lineWidth += g->xadvance; // Add the character's advance distance
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if (*c == L'\n')
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{
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height += m_LineSpacing;
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width = std::max(width, lineWidth);
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lineWidth = 0;
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}
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}
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width = std::max(width, lineWidth);
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}
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