Head

GCC Code Coverage Report

Directory:	src/		Exec	Total	Coverage
File:	src/gui/fonts/font.cpp	Lines:	96	171	56.1 %
Date:	2021-03-17	Branches:	52	184	28.3 %


/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2009  Aethyra Development Team
 *  Copyright (C) 2011-2019  The ManaPlus Developers
 *  Copyright (C) 2019-2021  Andrei Karas
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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 2 of the License, or
 *  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/>.
 */

/*      _______   __   __   __   ______   __   __   _______   __   __
 *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
 *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
 *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
 *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
 * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
 * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
 *
 * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
 *
 *
 * Per Larsson a.k.a finalman
 * Olof Naessén a.k.a jansem/yakslem
 *
 * Visit: http://guichan.sourceforge.net
 *
 * License: (BSD)
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of Guichan nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "gui/fonts/font.h"

#include "fs/files.h"
#include "fs/paths.h"

#include "fs/virtfs/tools.h"
#ifdef USE_SDL2
#include "fs/virtfs/rwops.h"
#endif  // USE_SDL2

#include "gui/fonts/textchunk.h"

#include "render/graphics.h"

#include "resources/imagehelper.h"

#include "resources/image/image.h"

#include "utils/checkutils.h"
#include "utils/delete2.h"
#include "utils/sdlcheckutils.h"
#include "utils/stringutils.h"
#include "utils/timer.h"

#include "debug.h"

const unsigned int CACHE_SIZE = 256;
const unsigned int CACHE_SIZE_SMALL1 = 2;
const unsigned int CACHE_SIZE_SMALL2 = 50;
const unsigned int CACHE_SIZE_SMALL3 = 170;
const unsigned int CLEAN_TIME = 7;

bool Font::mSoftMode(false);

extern char *restrict strBuf;

static int fontCounter;

Font::Font(std::string filename,
           int size,
           const int style) :
    mFont(nullptr),
    mCreateCounter(0),
    mDeleteCounter(0),
    mCleanTime(cur_time + CLEAN_TIME)
{
    if (fontCounter == 0)
    {
        mSoftMode = imageHelper->useOpenGL() == RENDER_SOFTWARE;
        if (TTF_Init() == -1)
        {
            logger->error("Unable to initialize SDL_ttf: " +
                std::string(SDL_GetError()));
        }
    }

    if (size < 4)
    {
        reportAlways("Error: requested load font %s with size %d",
            filename.c_str(),
            size)
        size = 4;
    }

    if (fontCounter == 0)
    {
        strBuf = new char[65535];
        memset(strBuf, 0, 65535);
    }

    ++fontCounter;

    fixDirSeparators(filename);
    logger->log("Attempt to load font: %s",
        filename.c_str());
    mFont = openFont(filename.c_str(), size);

    if (mFont == nullptr)
    {
        logger->log("Error normal loading font " + filename);

        filename = "fonts/dejavusans.ttf";
        mFont = openFont(fixDirSeparators(filename).c_str(), size);
        if (mFont == nullptr)
        {
#ifdef UNITTESTS
            reportAlways("Font load failed %s",
                filename.c_str())
#endif  // UNITTESTS
            logger->error("Font::Font: " +
                std::string(SDL_GetError()));
        }
        else
        {
            logger->log("Loaded fallback font %s, %d",
                filename.c_str(),
                size);
        }
    }
    else
    {
        logger->log("Loaded font %s, %d",
            filename.c_str(),
            size);
    }

    TTF_SetFontStyle(mFont, style);
}

Font::~Font()
{
    TTF_CloseFont(mFont);
    mFont = nullptr;
    --fontCounter;
    clear();

    if (fontCounter == 0)
    {
        TTF_Quit();
        delete []strBuf;
    }
}

TTF_Font *Font::openFont(const char *const name,
                         const int size)
{
#ifdef USE_SDL2
    SDL_RWops *const rw = VirtFs::rwopsOpenRead(name);
    if (rw)
    {
        logger->log("Loading virtfs font file: %s",
            name);
        return TTF_OpenFontIndexRW(rw, 1, size, 0);
    }
#endif
    const std::string path = VirtFs::getPath(name);
    if (Files::existsLocal(path) == false)
    {
#ifndef UNITTESTS
        // +++ in future need trigger assert in unit tests here too
        reportAlways("Font::openFont font not exists: %s",
            path.c_str())
#endif  // UNITTESTS
        return nullptr;
    }
    logger->log("Loading physical font file: %s",
        path.c_str());
    return TTF_OpenFontIndex(path.c_str(),
        size, 0);
}

void Font::loadFont(std::string filename,
                    const int size,
                    const int style)
{
    if (fontCounter == 0 && TTF_Init() == -1)
    {
        logger->log("Unable to initialize SDL_ttf: " +
                    std::string(SDL_GetError()));
        return;
    }

    fixDirSeparators(filename);
    TTF_Font *const font = openFont(filename.c_str(), size);

    if (font == nullptr)
    {
        logger->log("Font::Font: " +
                    std::string(SDL_GetError()));
        return;
    }

    if (mFont != nullptr)
        TTF_CloseFont(mFont);

    mFont = font;
    TTF_SetFontStyle(mFont, style);
    clear();
}

void Font::clear()
{
    for (size_t f = 0; f < CACHES_NUMBER; f ++)
        mCache[f].clear();
}

void Font::drawString(Graphics *const graphics,
                      Color col,
                      const Color &col2,
                      const std::string &text,
                      const int x, const int y)
{
    BLOCK_START("Font::drawString")
    if (text.empty())
    {
        BLOCK_END("Font::drawString")
        return;
    }

//    Color col = graphics->getColor();
//    const Color &col2 = graphics->getColor2();
    const float alpha = static_cast<float>(col.a) / 255.0F;

    /* The alpha value is ignored at string generation so avoid caching the
     * same text with different alpha values.
     */
    col.a = 255;

    const unsigned char chr = text[0];
    TextChunkList *const cache = &mCache[chr];

    std::map<TextChunkSmall, TextChunk*> &search = cache->search;
    std::map<TextChunkSmall, TextChunk*>::iterator i
        = search.find(TextChunkSmall(text, col, col2));
    if (i != search.end())
    {
        TextChunk *const chunk2 = (*i).second;
        cache->moveToFirst(chunk2);
        Image *const image = chunk2->img;
        if (image != nullptr)
        {
            image->setAlpha(alpha);
            graphics->drawImage(image, x, y);
        }
    }
    else
    {
        if (cache->size >= CACHE_SIZE)
        {
#ifdef DEBUG_FONT_COUNTERS
            mDeleteCounter ++;
#endif  // DEBUG_FONT_COUNTERS

            cache->removeBack();
        }
#ifdef DEBUG_FONT_COUNTERS
        mCreateCounter ++;
#endif  // DEBUG_FONT_COUNTERS

        TextChunk *chunk2 = new TextChunk(text, col, col2, this);

        chunk2->generate(mFont, alpha);
        cache->insertFirst(chunk2);

        const Image *const image = chunk2->img;
        if (image != nullptr)
            graphics->drawImage(image, x, y);
    }
    BLOCK_END("Font::drawString")
}

void Font::slowLogic(const int rnd)
{
    BLOCK_START("Font::slowLogic")
    if (mCleanTime == 0)
    {
        mCleanTime = cur_time + CLEAN_TIME + rnd;
    }
    else if (mCleanTime < cur_time)
    {
        doClean();
        mCleanTime = cur_time + CLEAN_TIME + rnd;
    }
    BLOCK_END("Font::slowLogic")
}

int Font::getWidth(const std::string &text) const
{
    if (text.empty())
        return 0;

    const unsigned char chr = text[0];
    TextChunkList *const cache = &mCache[chr];

    std::map<std::string, TextChunk*> &search = cache->searchWidth;
    std::map<std::string, TextChunk*>::iterator i = search.find(text);
    if (i != search.end())
    {
        TextChunk *const chunk = (*i).second;
        cache->moveToFirst(chunk);
        const Image *const image = chunk->img;
        if (image != nullptr)
            return image->getWidth();
        return 0;
    }

    // if string was not drawed
    int w;
    int h;
    getSafeUtf8String(text, strBuf);
    TTF_SizeUTF8(mFont, strBuf, &w, &h);
    return w;
}

int Font::getHeight() const
{
    return TTF_FontHeight(mFont);
}

void Font::doClean()
{
    for (unsigned int f = 0; f < CACHES_NUMBER; f ++)
    {
        TextChunkList *const cache = &mCache[f];
        const size_t size = CAST_SIZE(cache->size);
#ifdef DEBUG_FONT_COUNTERS
        logger->log("ptr: %u, size: %ld", f, size);
#endif  // DEBUG_FONT_COUNTERS

        if (size > CACHE_SIZE_SMALL3)
        {
#ifdef DEBUG_FONT_COUNTERS
            mDeleteCounter += 100;
#endif  // DEBUG_FONT_COUNTERS

            cache->removeBack(100);
#ifdef DEBUG_FONT_COUNTERS
            logger->log("delete3");
#endif  // DEBUG_FONT_COUNTERS
        }
        else if (size > CACHE_SIZE_SMALL2)
        {
#ifdef DEBUG_FONT_COUNTERS
            mDeleteCounter += 20;
#endif  // DEBUG_FONT_COUNTERS

            cache->removeBack(20);
#ifdef DEBUG_FONT_COUNTERS
            logger->log("delete2");
#endif  // DEBUG_FONT_COUNTERS
        }
        else if (size > CACHE_SIZE_SMALL1)
        {
#ifdef DEBUG_FONT_COUNTERS
            mDeleteCounter ++;
#endif  // DEBUG_FONT_COUNTERS

            cache->removeBack();
#ifdef DEBUG_FONT_COUNTERS
            logger->log("delete1");
#endif  // DEBUG_FONT_COUNTERS
        }
    }
}

int Font::getStringIndexAt(const std::string& text, const int x) const
{
    const size_t sz = text.size();
    for (size_t i = 0; i < sz; ++i)
    {
        if (getWidth(text.substr(0, i)) > x)
            return CAST_S32(i);
    }

    return CAST_S32(sz);
}

const TextChunkList *Font::getCache() const noexcept2
{
    return mCache;
}

void Font::generate(TextChunk &chunk)
{
    const std::string &text = chunk.text;
    if (text.empty())
        return;

    const unsigned char chr = text[0];
    TextChunkList *const cache = &mCache[chr];
    Color &col = chunk.color;
    Color &col2 = chunk.color2;
    const int oldAlpha = col.a;
    col.a = 255;

    TextChunkSmall key(text, col, col2);
    std::map<TextChunkSmall, TextChunk*> &search = cache->search;
    std::map<TextChunkSmall, TextChunk*>::iterator i = search.find(key);
    if (i != search.end())
    {
        TextChunk *const chunk2 = (*i).second;
        cache->moveToFirst(chunk2);
//        search.erase(key);
        cache->remove(chunk2);
        chunk.img = chunk2->img;
        chunk2->img = nullptr;
        delete chunk2;
//        logger->log("cached image: " + chunk.text);
    }
    else
    {
        if (cache->size >= CACHE_SIZE)
        {
#ifdef DEBUG_FONT_COUNTERS
            mDeleteCounter ++;
#endif  // DEBUG_FONT_COUNTERS

            cache->removeBack();
        }
#ifdef DEBUG_FONT_COUNTERS
        mCreateCounter ++;
#endif  // DEBUG_FONT_COUNTERS

        const float alpha = static_cast<float>(chunk.color.a) / 255.0F;
        chunk.generate(mFont, alpha);
//        logger->log("generate image: " + chunk.text);
    }
    col.a = oldAlpha;
}

void Font::insertChunk(TextChunk *const chunk)
{
    if ((chunk == nullptr) || chunk->text.empty() || (chunk->img == nullptr))
        return;
//    logger->log("insert chunk: text=%s, color: %d,%d,%d",
//        chunk->text.c_str(), chunk->color.r, chunk->color.g, chunk->color.b);
    const unsigned char chr = chunk->text[0];
    TextChunkList *const cache = &mCache[chr];

    std::map<TextChunkSmall, TextChunk*> &search = cache->search;
    std::map<TextChunkSmall, TextChunk*>::iterator i
        = search.find(TextChunkSmall(chunk->text,
        chunk->color, chunk->color2));
    if (i != search.end())
    {
        delete2(chunk->img)
        return;
    }

    TextChunk *const chunk2 = new TextChunk(chunk->text,
        chunk->color, chunk->color2, chunk->textFont);
    chunk2->img = chunk->img;
    cache->insertFirst(chunk2);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*
2			* The ManaPlus Client
3			* Copyright (C) 2004-2009 The Mana World Development Team
4			* Copyright (C) 2009-2010 The Mana Developers
5			* Copyright (C) 2009 Aethyra Development Team
6			* Copyright (C) 2011-2019 The ManaPlus Developers
7			* Copyright (C) 2019-2021 Andrei Karas
8			*
9			* This file is part of The ManaPlus Client.
10			*
11			* This program is free software; you can redistribute it and/or modify
12			* it under the terms of the GNU General Public License as published by
13			* the Free Software Foundation; either version 2 of the License, or
14			* any later version.
15			*
16			* This program is distributed in the hope that it will be useful,
17			* but WITHOUT ANY WARRANTY; without even the implied warranty of
18			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19			* GNU General Public License for more details.
20			*
21			* You should have received a copy of the GNU General Public License
22			* along with this program. If not, see <http://www.gnu.org/licenses/>.
23			*/
24
25			/* _______ __ __ __ ______ __ __ _______ __ __
26			* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / \|\/ /\
27			* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , \|/ / /
28			* / / /__ / / // / // / // / / / ___ / // ___ / // /\| ' / /
29			* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / \| / /
30			* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /\|_/ /
31			* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
32			*
33			* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
34			*
35			*
36			* Per Larsson a.k.a finalman
37			* Olof Naessén a.k.a jansem/yakslem
38			*
39			* Visit: http://guichan.sourceforge.net
40			*
41			* License: (BSD)
42			* Redistribution and use in source and binary forms, with or without
43			* modification, are permitted provided that the following conditions
44			* are met:
45			* 1. Redistributions of source code must retain the above copyright
46			* notice, this list of conditions and the following disclaimer.
47			* 2. Redistributions in binary form must reproduce the above copyright
48			* notice, this list of conditions and the following disclaimer in
49			* the documentation and/or other materials provided with the
50			* distribution.
51			* 3. Neither the name of Guichan nor the names of its contributors may
52			* be used to endorse or promote products derived from this software
53			* without specific prior written permission.
54			*
55			* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
56			* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
57			* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
58			* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
59			* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
60			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
61			* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
62			* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
63			* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
64			* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
65			* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
66			*/
67
68			#include "gui/fonts/font.h"
69
70			#include "fs/files.h"
71			#include "fs/paths.h"
72
73			#include "fs/virtfs/tools.h"
74			#ifdef USE_SDL2
75			#include "fs/virtfs/rwops.h"
76			#endif // USE_SDL2
77
78			#include "gui/fonts/textchunk.h"
79
80			#include "render/graphics.h"
81
82			#include "resources/imagehelper.h"
83
84			#include "resources/image/image.h"
85
86			#include "utils/checkutils.h"
87			#include "utils/delete2.h"
88			#include "utils/sdlcheckutils.h"
89			#include "utils/stringutils.h"
90			#include "utils/timer.h"
91
92			#include "debug.h"
93
94			const unsigned int CACHE_SIZE = 256;
95			const unsigned int CACHE_SIZE_SMALL1 = 2;
96			const unsigned int CACHE_SIZE_SMALL2 = 50;
97			const unsigned int CACHE_SIZE_SMALL3 = 170;
98			const unsigned int CLEAN_TIME = 7;
99
100			bool Font::mSoftMode(false);
101
102			extern char *restrict strBuf;
103
104			static int fontCounter;
105
106		764	Font::Font(std::string filename,
107			int size,
108		764	const int style) :
109			mFont(nullptr),
110			mCreateCounter(0),
111			mDeleteCounter(0),
112	✓✓✓✗ ✗✗	764	mCleanTime(cur_time + CLEAN_TIME)
113			{
114	✓✓	764	if (fontCounter == 0)
115			{
116		127	mSoftMode = imageHelper->useOpenGL() == RENDER_SOFTWARE;
117	✓✗✗✓	127	if (TTF_Init() == -1)
118			{
119			logger->error("Unable to initialize SDL_ttf: " +
120			std::string(SDL_GetError()));
121			}
122			}
123
124	✗✓	764	if (size < 4)
125			{
126			reportAlways("Error: requested load font %s with size %d",
127			filename.c_str(),
128			size)
129			size = 4;
130			}
131
132	✓✓	764	if (fontCounter == 0)
133			{
134	✓✗	127	strBuf = new char[65535];
135		127	memset(strBuf, 0, 65535);
136			}
137
138		764	++fontCounter;
139
140	✓✗	764	fixDirSeparators(filename);
141		764	logger->log("Attempt to load font: %s",
142	✓✗	764	filename.c_str());
143	✓✗	764	mFont = openFont(filename.c_str(), size);
144
145	✗✓	764	if (mFont == nullptr)
146			{
147			logger->log("Error normal loading font " + filename);
148
149			filename = "fonts/dejavusans.ttf";
150			mFont = openFont(fixDirSeparators(filename).c_str(), size);
151			if (mFont == nullptr)
152			{
153			#ifdef UNITTESTS
154			reportAlways("Font load failed %s",
155			filename.c_str())
156			#endif // UNITTESTS
157			logger->error("Font::Font: " +
158			std::string(SDL_GetError()));
159			}
160			else
161			{
162			logger->log("Loaded fallback font %s, %d",
163			filename.c_str(),
164			size);
165			}
166			}
167			else
168			{
169		764	logger->log("Loaded font %s, %d",
170			filename.c_str(),
171	✓✗	764	size);
172			}
173
174	✓✗	764	TTF_SetFontStyle(mFont, style);
175	✗✗	764	}
176
177	✓✗✓✓	1528	Font::~Font()
178			{
179		764	TTF_CloseFont(mFont);
180		764	mFont = nullptr;
181		764	--fontCounter;
182		764	clear();
183
184	✓✓	764	if (fontCounter == 0)
185			{
186		127	TTF_Quit();
187	✓✗	127	delete []strBuf;
188			}
189		764	}
190
191		764	TTF_Font Font::openFont(const char const name,
192			const int size)
193			{
194			#ifdef USE_SDL2
195	✓✗	3056	SDL_RWops *const rw = VirtFs::rwopsOpenRead(name);
196	✓✗	764	if (rw)
197			{
198		764	logger->log("Loading virtfs font file: %s",
199		764	name);
200		764	return TTF_OpenFontIndexRW(rw, 1, size, 0);
201			}
202			#endif
203			const std::string path = VirtFs::getPath(name);
204			if (Files::existsLocal(path) == false)
205			{
206			#ifndef UNITTESTS
207			// +++ in future need trigger assert in unit tests here too
208			reportAlways("Font::openFont font not exists: %s",
209			path.c_str())
210			#endif // UNITTESTS
211			return nullptr;
212			}
213			logger->log("Loading physical font file: %s",
214			path.c_str());
215			return TTF_OpenFontIndex(path.c_str(),
216			size, 0);
217			}
218
219			void Font::loadFont(std::string filename,
220			const int size,
221			const int style)
222			{
223			if (fontCounter == 0 && TTF_Init() == -1)
224			{
225			logger->log("Unable to initialize SDL_ttf: " +
226			std::string(SDL_GetError()));
227			return;
228			}
229
230			fixDirSeparators(filename);
231			TTF_Font *const font = openFont(filename.c_str(), size);
232
233			if (font == nullptr)
234			{
235			logger->log("Font::Font: " +
236			std::string(SDL_GetError()));
237			return;
238			}
239
240			if (mFont != nullptr)
241			TTF_CloseFont(mFont);
242
243			mFont = font;
244			TTF_SetFontStyle(mFont, style);
245			clear();
246			}
247
248			void Font::clear()
249			{
250	✗✗✗✗ ✓✓	196348	for (size_t f = 0; f < CACHES_NUMBER; f ++)
251		195584	mCache[f].clear();
252			}
253
254		50	void Font::drawString(Graphics *const graphics,
255			Color col,
256			const Color &col2,
257			const std::string &text,
258			const int x, const int y)
259			{
260			BLOCK_START("Font::drawString")
261	✓✓	50	if (text.empty())
262			{
263			BLOCK_END("Font::drawString")
264			return;
265			}
266
267			// Color col = graphics->getColor();
268			// const Color &col2 = graphics->getColor2();
269		49	const float alpha = static_cast<float>(col.a) / 255.0F;
270
271			/* The alpha value is ignored at string generation so avoid caching the
272			* same text with different alpha values.
273			*/
274		49	col.a = 255;
275
276		49	const unsigned char chr = text[0];
277		49	TextChunkList *const cache = &mCache[chr];
278
279		49	std::map<TextChunkSmall, TextChunk*> &search = cache->search;
280			std::map<TextChunkSmall, TextChunk*>::iterator i
281		147	= search.find(TextChunkSmall(text, col, col2));
282	✗✓	49	if (i != search.end())
283			{
284			TextChunk const chunk2 = (i).second;
285			cache->moveToFirst(chunk2);
286			Image *const image = chunk2->img;
287			if (image != nullptr)
288			{
289			image->setAlpha(alpha);
290			graphics->drawImage(image, x, y);
291			}
292			}
293			else
294			{
295	✗✓	49	if (cache->size >= CACHE_SIZE)
296			{
297			#ifdef DEBUG_FONT_COUNTERS
298			mDeleteCounter ++;
299			#endif // DEBUG_FONT_COUNTERS
300
301			cache->removeBack();
302			}
303			#ifdef DEBUG_FONT_COUNTERS
304			mCreateCounter ++;
305			#endif // DEBUG_FONT_COUNTERS
306
307	✓✗	49	TextChunk *chunk2 = new TextChunk(text, col, col2, this);
308
309		49	chunk2->generate(mFont, alpha);
310		49	cache->insertFirst(chunk2);
311
312		49	const Image *const image = chunk2->img;
313	✓✗	49	if (image != nullptr)
314		49	graphics->drawImage(image, x, y);
315			}
316			BLOCK_END("Font::drawString")
317			}
318
319			void Font::slowLogic(const int rnd)
320			{
321			BLOCK_START("Font::slowLogic")
322			if (mCleanTime == 0)
323			{
324			mCleanTime = cur_time + CLEAN_TIME + rnd;
325			}
326			else if (mCleanTime < cur_time)
327			{
328			doClean();
329			mCleanTime = cur_time + CLEAN_TIME + rnd;
330			}
331			BLOCK_END("Font::slowLogic")
332			}
333
334		9633	int Font::getWidth(const std::string &text) const
335			{
336	✓✓	9633	if (text.empty())
337			return 0;
338
339		9421	const unsigned char chr = text[0];
340		9421	TextChunkList *const cache = &mCache[chr];
341
342		9421	std::map<std::string, TextChunk*> &search = cache->searchWidth;
343		9421	std::map<std::string, TextChunk*>::iterator i = search.find(text);
344	✗✓	9421	if (i != search.end())
345			{
346			TextChunk const chunk = (i).second;
347			cache->moveToFirst(chunk);
348			const Image *const image = chunk->img;
349			if (image != nullptr)
350			return image->getWidth();
351			return 0;
352			}
353
354			// if string was not drawed
355			int w;
356			int h;
357	✓✗	28263	getSafeUtf8String(text, strBuf);
358		9421	TTF_SizeUTF8(mFont, strBuf, &w, &h);
359		9421	return w;
360			}
361
362		2322	int Font::getHeight() const
363			{
364		2322	return TTF_FontHeight(mFont);
365			}
366
367			void Font::doClean()
368			{
369			for (unsigned int f = 0; f < CACHES_NUMBER; f ++)
370			{
371			TextChunkList *const cache = &mCache[f];
372			const size_t size = CAST_SIZE(cache->size);
373			#ifdef DEBUG_FONT_COUNTERS
374			logger->log("ptr: %u, size: %ld", f, size);
375			#endif // DEBUG_FONT_COUNTERS
376
377			if (size > CACHE_SIZE_SMALL3)
378			{
379			#ifdef DEBUG_FONT_COUNTERS
380			mDeleteCounter += 100;
381			#endif // DEBUG_FONT_COUNTERS
382
383			cache->removeBack(100);
384			#ifdef DEBUG_FONT_COUNTERS
385			logger->log("delete3");
386			#endif // DEBUG_FONT_COUNTERS
387			}
388			else if (size > CACHE_SIZE_SMALL2)
389			{
390			#ifdef DEBUG_FONT_COUNTERS
391			mDeleteCounter += 20;
392			#endif // DEBUG_FONT_COUNTERS
393
394			cache->removeBack(20);
395			#ifdef DEBUG_FONT_COUNTERS
396			logger->log("delete2");
397			#endif // DEBUG_FONT_COUNTERS
398			}
399			else if (size > CACHE_SIZE_SMALL1)
400			{
401			#ifdef DEBUG_FONT_COUNTERS
402			mDeleteCounter ++;
403			#endif // DEBUG_FONT_COUNTERS
404
405			cache->removeBack();
406			#ifdef DEBUG_FONT_COUNTERS
407			logger->log("delete1");
408			#endif // DEBUG_FONT_COUNTERS
409			}
410			}
411			}
412
413			int Font::getStringIndexAt(const std::string& text, const int x) const
414			{
415			const size_t sz = text.size();
416			for (size_t i = 0; i < sz; ++i)
417			{
418			if (getWidth(text.substr(0, i)) > x)
419			return CAST_S32(i);
420			}
421
422			return CAST_S32(sz);
423			}
424
425			const TextChunkList *Font::getCache() const noexcept2
426			{
427			return mCache;
428			}
429
430		236	void Font::generate(TextChunk &chunk)
431			{
432		236	const std::string &text = chunk.text;
433	✓✓	236	if (text.empty())
434		41	return;
435
436		195	const unsigned char chr = text[0];
437		195	TextChunkList *const cache = &mCache[chr];
438		195	Color &col = chunk.color;
439		195	Color &col2 = chunk.color2;
440		195	const int oldAlpha = col.a;
441		195	col.a = 255;
442
443		390	TextChunkSmall key(text, col, col2);
444		195	std::map<TextChunkSmall, TextChunk*> &search = cache->search;
445		195	std::map<TextChunkSmall, TextChunk*>::iterator i = search.find(key);
446	✗✓	195	if (i != search.end())
447			{
448			TextChunk const chunk2 = (i).second;
449			cache->moveToFirst(chunk2);
450			// search.erase(key);
451			cache->remove(chunk2);
452			chunk.img = chunk2->img;
453			chunk2->img = nullptr;
454			delete chunk2;
455			// logger->log("cached image: " + chunk.text);
456			}
457			else
458			{
459	✗✓	195	if (cache->size >= CACHE_SIZE)
460			{
461			#ifdef DEBUG_FONT_COUNTERS
462			mDeleteCounter ++;
463			#endif // DEBUG_FONT_COUNTERS
464
465			cache->removeBack();
466			}
467			#ifdef DEBUG_FONT_COUNTERS
468			mCreateCounter ++;
469			#endif // DEBUG_FONT_COUNTERS
470
471		195	const float alpha = static_cast<float>(chunk.color.a) / 255.0F;
472	✓✗	195	chunk.generate(mFont, alpha);
473			// logger->log("generate image: " + chunk.text);
474			}
475		195	col.a = oldAlpha;
476			}
477
478		431	void Font::insertChunk(TextChunk *const chunk)
479			{
480	✓✗✓✓ ✗✓✓✓	862	if ((chunk == nullptr) \|\| chunk->text.empty() \|\| (chunk->img == nullptr))
481			return;
482			// logger->log("insert chunk: text=%s, color: %d,%d,%d",
483			// chunk->text.c_str(), chunk->color.r, chunk->color.g, chunk->color.b);
484		318	const unsigned char chr = chunk->text[0];
485		159	TextChunkList *const cache = &mCache[chr];
486
487		159	std::map<TextChunkSmall, TextChunk*> &search = cache->search;
488			std::map<TextChunkSmall, TextChunk*>::iterator i
489		318	= search.find(TextChunkSmall(chunk->text,
490		159	chunk->color, chunk->color2));
491	✓✓	159	if (i != search.end())
492			{
493	✓✗	3	delete2(chunk->img)
494		3	return;
495			}
496
497			TextChunk *const chunk2 = new TextChunk(chunk->text,
498	✓✗	156	chunk->color, chunk->color2, chunk->textFont);
499		156	chunk2->img = chunk->img;
500		156	cache->insertFirst(chunk2);
501			}