Subversion Repositories tpanel

/*

 * Copyright (C) 2020, 2021 by Andreas Theofilu <andreas@theosys.at>

 *

 * 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, write to the Free Software Foundation,

 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA

 */

#include <include/core/SkBitmap.h>

#include <include/core/SkData.h>

#include <include/core/SkImage.h>

#include <include/core/SkImageGenerator.h>

#include <include/core/SkStream.h>

#include <include/core/SkTypeface.h>

#include <iconv.h>

#include "tresources.h"

#include "terror.h"

#include "tconfig.h"

sk_sp<SkData> (*gResourceFactory)(const char*) = nullptr;

using std::string;

using std::endl;

using std::vector;

typedef struct

{

    unsigned char ch;

    short byte;

}CHTABLE;

static CHTABLE __cht[] = {

    {0x80,	0x20AC},

    {0x81,	0x0081},

    {0x82,	0x201A},

    {0x83,	0x0192},

    {0x84,	0x201E},

    {0x85,	0x2026},

    {0x86,	0x2020},

    {0x87,	0x2021},

    {0x88,	0x02C6},

    {0x89,	0x2030},

    {0x8A,	0x0160},

    {0x8B,	0x2039},

    {0x8C,	0x0152},

    {0x8D,	0x008d},

    {0x8E,	0x017D},

    {0x8F,	0x008f},

    {0x90,	0x0090},

    {0x91,	0x2018},

    {0x92,	0x2019},

    {0x93,	0x201C},

    {0x94,	0x201D},

    {0x95,	0x2022},

    {0x96,	0x2013},

    {0x97,	0x2014},

    {0x98,	0x02DC},

    {0x99,	0x2122},

    {0x9A,	0x0161},

    {0x9B,	0x203A},

    {0x9C,	0x0153},

    {0x9D,	0x009d},

    {0x9E,	0x017E},

    {0x9F,	0x0178},

    {0xA0,	0x00A0},

    {0xA1,	0x00A1},

    {0xA2,	0x00A2},

    {0xA3,	0x00A3},

    {0xA4,	0x00A4},

    {0xA5,	0x00A5},

    {0xA6,	0x00A6},

    {0xA7,	0x00A7},

    {0xA8,	0x00A8},

    {0xA9,	0x00A9},

    {0xAA,	0x00AA},

    {0xAB,	0x00AB},

    {0xAC,	0x00AC},

    {0xAD,	0x00AD},

    {0xAE,	0x00AE},

    {0xAF,	0x00AF},

    {0xB0,	0x00B0},

    {0xB1,	0x00B1},

    {0xB2,	0x00B2},

    {0xB3,	0x00B3},

    {0xB4,	0x00B4},

    {0xB5,	0x00B5},

    {0xB6,	0x00B6},

    {0xB7,	0x00B7},

    {0xB8,	0x00B8},

    {0xB9,	0x00B9},

    {0xBA,	0x00BA},

    {0xBB,	0x00BB},

    {0xBC,	0x00BC},

    {0xBD,	0x00BD},

    {0xBE,	0x00BE},

    {0xBF,	0x00BF},

    {0xC0,	0x00C0},

    {0xC1,	0x00C1},

    {0xC2,	0x00C2},

    {0xC3,	0x00C3},

    {0xC4,	0x00C4},

    {0xC5,	0x00C5},

    {0xC6,	0x00C6},

    {0xC7,	0x00C7},

    {0xC8,	0x00C8},

    {0xC9,	0x00C9},

    {0xCA,	0x00CA},

    {0xCB,	0x00CB},

    {0xCC,	0x00CC},

    {0xCD,	0x00CD},

    {0xCE,	0x00CE},

    {0xCF,	0x00CF},

    {0xD0,	0x00D0},

    {0xD1,	0x00D1},

    {0xD2,	0x00D2},

    {0xD3,	0x00D3},

    {0xD4,	0x00D4},

    {0xD5,	0x00D5},

    {0xD6,	0x00D6},

    {0xD7,	0x00D7},

    {0xD8,	0x00D8},

    {0xD9,	0x00D9},

    {0xDA,	0x00DA},

    {0xDB,	0x00DB},

    {0xDC,	0x00DC},

    {0xDD,	0x00DD},

    {0xDE,	0x00DE},

    {0xDF,	0x00DF},

    {0xE0,	0x00E0},

    {0xE1,	0x00E1},

    {0xE2,	0x00E2},

    {0xE3,	0x00E3},

    {0xE4,	0x00E4},

    {0xE5,	0x00E5},

    {0xE6,	0x00E6},

    {0xE7,	0x00E7},

    {0xE8,	0x00E8},

    {0xE9,	0x00E9},

    {0xEA,	0x00EA},

    {0xEB,	0x00EB},

    {0xEC,	0x00EC},

    {0xED,	0x00ED},

    {0xEE,	0x00EE},

    {0xEF,	0x00EF},

    {0xF0,	0x00F0},

    {0xF1,	0x00F1},

    {0xF2,	0x00F2},

    {0xF3,	0x00F3},

    {0xF4,	0x00F4},

    {0xF5,	0x00F5},

    {0xF6,	0x00F6},

    {0xF7,	0x00F7},

    {0xF8,	0x00F8},

    {0xF9,	0x00F9},

    {0xFA,	0x00FA},

    {0xFB,	0x00FB},

    {0xFC,	0x00FC},

    {0xFD,	0x00FD},

    {0xFE,	0x00FE},

    {0xFF,	0x00FF}

};

SkString GetResourcePath(const char* resource)

{

    string path = TConfig::getProjectPath() + "/images/" + resource;

    return SkString(path);

}

bool DecodeDataToBitmap(sk_sp<SkData> data, SkBitmap* dst)

{

    std::unique_ptr<SkImageGenerator> gen(SkImageGenerator::MakeFromEncoded(std::move(data)));

    return gen && dst->tryAllocPixels(gen->getInfo()) &&

    gen->getPixels(gen->getInfo().makeColorSpace(nullptr), dst->getPixels(), dst->rowBytes());

}

std::unique_ptr<SkStreamAsset> GetResourceAsStream(const char* resource)

{

    sk_sp<SkData> data = GetResourceAsData(resource);

    return data ? std::unique_ptr<SkStreamAsset>(new SkMemoryStream(std::move(data)))

    : nullptr;

}

sk_sp<SkData> GetResourceAsData(const char* resource)

{

    if (sk_sp<SkData> data = gResourceFactory ? gResourceFactory(resource) : SkData::MakeFromFileName(GetResourcePath(resource).c_str()))

    {

        return data;

    }

    MSG_ERROR("GetResourceAsData: Resource \"" << GetResourcePath(resource).c_str() << "\" not found." << endl);

    TError::setError();

#ifdef SK_TOOLS_REQUIRE_RESOURCES

    SK_ABORT("GetResourceAsData: missing resource");

#endif

    return nullptr;

}

sk_sp<SkTypeface> MakeResourceAsTypeface(const char* resource, int ttcIndex)

{

    return SkTypeface::MakeFromStream(GetResourceAsStream(resource), ttcIndex);

}

/*

 * Read the image from a file and save it into a data buffer. This is the base

 * to convert the image.

 */

sk_sp<SkData> readImage(const string& fname)

{

    sk_sp<SkData> data = GetResourceAsData(fname.c_str());

    if (!data)

    {

        MSG_ERROR("readImage: Error loading the image " << fname);

        TError::setError();

    }

    return data;

}

vector<string> StrSplit(const string& str, const string& seps, const bool trimEmpty)

{

    size_t pos = 0, mark = 0;

    vector<string> parts;

    string::const_iterator it, sepIt;

    for (it = str.begin(); it != str.end(); ++it)

    {

        for (sepIt = seps.begin(); sepIt != seps.end(); ++sepIt)

        {

            if (pos > 0 && *it == *sepIt)

            {

                size_t len = pos - mark;

                if (len > 0)

                    parts.push_back(str.substr(mark, len));

                else

                    parts.push_back(string());

                mark = pos + 1;

                break;

            }

            else if (*it == *sepIt)

                mark = pos + 1;

        }

        pos++;

    }

    parts.push_back(str.substr(mark));

    if (trimEmpty)

    {

        vector<string> nparts;

        for (auto it = parts.begin(); it != parts.end(); ++it)

        {

            if (it->empty())

                continue;

            nparts.push_back(*it);

        }

        return nparts;

    }

    return parts;

}

string latin1ToUTF8(const string& str)

{

    DECL_TRACER("NameFormat::latin1ToUTF8(const string& str)");

    string out;

    for (size_t i = 0; i < str.length(); i++)

    {

        uint8_t ch = str.at(i);

        if (ch < 0x80)

        {

            out.push_back(ch);

        }

        else

        {

            out.push_back(0xc0 | ch >> 6);

            out.push_back(0x80 | (ch & 0x3f));

        }

    }

    return out;

}

string cp1250ToUTF8(const string& str)

{

    DECL_TRACER("cp1250ToUTF8(const string& str)");

    string out;

    for (size_t j = 0; j < str.length(); j++)

    {

        int i = -1;

        unsigned char ch = str.at(j);

        short utf = -1;

        if (ch < 0x80)

        {

            do

            {

                i++;

                if (__cht[i].ch == ch)

                {

                    utf = __cht[i].byte;

                    break;

                }

            }

            while (__cht[i].ch != 0xff);

            if (utf < 0)

                utf = ch;

        }

        else

            utf = ch;

        if (utf > 0x00ff)

        {

            out.push_back((utf >> 8) & 0x00ff);

            out.push_back(utf & 0x00ff);

        }

        else if (ch > 0x7f)

        {

            out.push_back(0xc0 | ch >> 6);

            out.push_back(0x80 | (ch & 0x3f));

        }

        else

            out.push_back(ch);

    }

    return out;

}

string UTF8ToCp1250(const string& str)

{

    DECL_TRACER("UTF8ToCp1250(const string& str)");

    char dst[1024];

    size_t srclen = 0;

    char* pIn, *pInSave;

    srclen = str.length();

    memset(&dst[0], 0, sizeof(dst));

    try

    {

        pIn = new char[srclen + 1];

        memcpy(pIn, str.c_str(), srclen);

        *(pIn+srclen) = 0;

        pInSave = pIn;

    }

    catch(std::exception& e)

    {

        MSG_ERROR("Error: " << e.what());

        return "";

    }

    size_t dstlen = sizeof(dst) - 1;

    char* pOut = (char *)dst;

    iconv_t conv = iconv_open("CP1250", "UTF-8");

    if (conv == (iconv_t)-1)

    {

        MSG_ERROR("Error opening iconv!");

        delete[] pInSave;

        return str;

    }

    size_t ret = iconv(conv, &pIn, &srclen, &pOut, &dstlen);

    iconv_close(conv);

    delete[] pInSave;

    if (ret == (size_t)-1)

    {

        MSG_ERROR("Error converting a string!");

        return str;

    }

    return string(dst);

}

void *renew(void *mem, size_t old_size, size_t new_size)

{

    if (old_size == new_size)

        return mem;

    try

    {

        void *memory = new char[new_size];

        size_t len = (new_size < old_size) ? new_size : old_size;

        memcpy(memory, mem, len);

        delete[] (char *)mem;

        mem = memory;

        return memory;

    }

    catch(std::exception& e)

    {

        MSG_ERROR(e.what());

        throw e;

    }

    return nullptr;

}

string toUpper(string& str)

{

    string::iterator iter;

    for (iter = str.begin(); iter != str.end(); iter++)

        *iter = std::toupper(*iter);

    return str;

}

string toLower(string& str)

{

    string::iterator iter;

    for (iter = str.begin(); iter != str.end(); iter++)

        *iter = std::tolower(*iter);

    return str;

}