Subversion Repositories tpanel

/*

 * Copyright (C) 2020 to 2022 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/SkFont.h>

#include <include/core/SkTypeface.h>

#include <include/core/SkColorSpace.h>

#include <iconv.h>

#include <libgen.h>

#include <sys/types.h>

#include <sys/stat.h>

#include "tresources.h"

#include "tpagemanager.h"

#include "terror.h"

#include "tconfig.h"

#if __cplusplus < 201402L

#   error "This module requires at least C++14 standard!"

#else

#   if __cplusplus < 201703L

#       include <experimental/filesystem>

namespace fs = std::experimental::filesystem;

#       warning "Support for C++14 and experimental filesystem will be removed in a future version!"

#   else

#       include <filesystem>

#       ifdef __ANDROID__

namespace fs = std::__fs::filesystem;

#       else

namespace fs = std::filesystem;

#       endif

#   endif

#endif

using std::string;

using std::endl;

using std::vector;

extern TPageManager *gPageManager;

typedef struct

{

    unsigned char ch;

    unsigned int byte;

}CHTABLE;

static CHTABLE __cht[] = {

    {0x80,	0xE282AC},

    {0x81,	0x0081},    // not used

    {0x82,	0xE2809A},

    {0x83,	0x0192},    // not used

    {0x84,	0xE2809E},

    {0x85,	0xE280A6},

    {0x86,	0xE280A0},

    {0x87,	0xE280A1},

    {0x88,	0x02C6},    // not used

    {0x89,	0xE280B0},

    {0x8A,	0xC5A0},

    {0x8B,	0xE280B9},

    {0x8C,	0xC59A},

    {0x8D,	0xC5A4},

    {0x8E,	0xC5BD},

    {0x8F,	0xC5B9},

    {0x90,	0x0090},    // not used

    {0x91,	0xE28098},

    {0x92,	0xE28099},

    {0x93,	0xE2809C},

    {0x94,	0xE2809D},

    {0x95,	0xE280A2},

    {0x96,	0xE28093},

    {0x97,	0xE28094},

    {0x98,	0x02DC},    // not used

    {0x99,	0xE284A2},

    {0x9A,	0xC5A1},

    {0x9B,	0xE280BA},

    {0x9C,	0xC59B},

    {0x9D,	0xC5A5},

    {0x9E,	0xC5BE},

    {0x9F,	0xC5BA},

    {0xA0,	0xC2A0},

    {0xA1,	0xCB87},

    {0xA2,	0xCB98},

    {0xA3,	0xC581},

    {0xA4,	0xC2A0},

    {0xA5,	0xC484},

    {0xA6,	0xC2A6},

    {0xA7,	0xC2A7},

    {0xA8,	0xC2A8},

    {0xA9,	0xC2A9},

    {0xAA,	0xC59E},

    {0xAB,	0xC2AB},

    {0xAC,	0xC2AC},

    {0xAD,	0xC2AD},

    {0xAE,	0xC2AE},

    {0xAF,	0xC5BB},

    {0xB0,	0xC2B0},

    {0xB1,	0xC2B1},

    {0xB2,	0xCB9B},

    {0xB3,	0xC582},

    {0xB4,	0xC2B4},

    {0xB5,	0xC2B5},

    {0xB6,	0xC2B6},

    {0xB7,	0xC2B7},

    {0xB8,	0xC2B8},

    {0xB9,	0xC485},

    {0xBA,	0xC59F},

    {0xBB,	0xC2BB},

    {0xBC,	0xC4BD},

    {0xBD,	0xCB9D},

    {0xBE,	0xC4BE},

    {0xBF,	0xC5BC},

    {0xC0,	0xC594},

    {0xC1,	0xC381},

    {0xC2,	0xC382},

    {0xC3,	0xC482},

    {0xC4,	0xC384},

    {0xC5,	0xC4B9},

    {0xC6,	0xC486},

    {0xC7,	0xC387},

    {0xC8,	0xC48C},

    {0xC9,	0xC389},

    {0xCA,	0xC489},

    {0xCB,	0xC38b},

    {0xCC,	0xC49A},

    {0xCD,	0xC38D},

    {0xCE,	0xC38E},

    {0xCF,	0xC48E},

    {0xD0,	0xC490},

    {0xD1,	0xC583},

    {0xD2,	0xC587},

    {0xD3,	0xC398},

    {0xD4,	0xC394},

    {0xD5,	0xC590},

    {0xD6,	0xC396},

    {0xD7,	0xC397},

    {0xD8,	0xC598},

    {0xD9,	0xC5AE},

    {0xDA,	0xC39A},

    {0xDB,	0xC5B0},

    {0xDC,	0xC39C},

    {0xDD,	0xC39D},

    {0xDE,	0xC5A2},

    {0xDF,	0xC39F},

    {0xE0,	0xC595},

    {0xE1,	0xC3A1},

    {0xE2,	0xC3A2},

    {0xE3,	0xC483},

    {0xE4,	0xC3A4},

    {0xE5,	0xC4BA},

    {0xE6,	0xC487},

    {0xE7,	0xC3A7},

    {0xE8,	0xC48D},

    {0xE9,	0xC3A9},

    {0xEA,	0xC499},

    {0xEB,	0xC3AB},

    {0xEC,	0xC49B},

    {0xED,	0xC3AD},

    {0xEE,	0xC3AE},

    {0xEF,	0xC48F},

    {0xF0,	0xC491},

    {0xF1,	0xC584},

    {0xF2,	0xC588},

    {0xF3,	0xC3B3},

    {0xF4,	0xC3B4},

    {0xF5,	0xC591},

    {0xF6,	0xC3B6},

    {0xF7,	0xC3B7},

    {0xF8,	0xC599},

    {0xF9,	0xC5AF},

    {0xFA,	0xC3BA},

    {0xFB,	0xC5B1},

    {0xFC,	0xC3BC},

    {0xFD,	0xC3BD},

    {0xFE,	0xC5A3},

    {0xFF,	0xCB99}

};

SkString GetResourcePath(const char* resource, _RESOURCE_TYPE rs)

{

    if (!resource)

        return SkString();

    if (*resource == '/')       // absolute path?

    {                           // yes, then take it as it is

        return SkString(resource);

    }

    string pth;

    switch(rs)

    {

        case RESTYPE_BORDER:    pth = "/borders/"; break;

        case RESTYPE_CURSOR:    pth = "/cursors/"; break;

        case RESTYPE_FONT:      pth = "/fonts/"; break;

        case RESTYPE_UNKNOWN:

        case RESTYPE_IMAGE:     pth = "/images/"; break;

        case RESTYPE_SLIDER:    pth = "/sliders/"; break;

        case RESTYPE_SYSBORDER: pth = "/__system/graphics/borders/"; break;

        case RESTYPE_SYSCURSOR: pth = "/__system/graphics/cursors/"; break;

        case RESTYPE_SYSFONT:   pth = "/__system/graphics/fonts/"; break;

        case RESTYPE_SYSIMAGE:  pth = "/__system/graphics/images/"; break;

        case RESTYPE_SYSSLIDER: pth = "/__system/graphics/sliders/"; break;

    }

    string projectPath = ((gPageManager && gPageManager->isSetupActive()) ? TConfig::getSystemProjectPath() : TConfig::getProjectPath());

    string path = projectPath + pth + resource;

    return SkString(path);

}

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

{

    if (!data || !dst)

        return false;

    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, _RESOURCE_TYPE rs)

{

    sk_sp<SkData> data = GetResourceAsData(resource, rs);

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

    : nullptr;

}

sk_sp<SkData> GetResourceAsData(const char* resource, _RESOURCE_TYPE rs)

{

    SkString str = GetResourcePath(resource, rs);

    sk_sp<SkData> data = SkData::MakeFromFileName(str.c_str());

    if (data)

        return data;

    MSG_ERROR("GetResourceAsData: Resource \"" << str.c_str() << "\" not found.");

    TError::setError();

#ifdef SK_TOOLS_REQUIRE_RESOURCES

    SK_ABORT("GetResourceAsData: missing resource");

#endif

    return nullptr;

}

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

{

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

}

SkBitmap *allocPixels(int width, int height, SkBitmap *bm)

{

    DECL_TRACER("TButton::allocPixels(int width, int height, SkBitmap *bm)");

    if (!bm)

        return nullptr;

    // Skia reads image files in the natural byte order of the CPU.

    // While on Intel CPUs the byte order is little endian it is

    // mostly big endian on other CPUs. This means that the order of

    // the colors is RGB on big endian CPUs (ARM, ...) and BGR on others.

    // To compensate this, we check the endianess of the CPU and set

    // the byte order according.

    SkImageInfo info;

    if (isBigEndian())

        info = SkImageInfo::Make(width, height, kRGBA_8888_SkColorType, kPremul_SkAlphaType);

    else

        info = SkImageInfo::Make(width, height, kBGRA_8888_SkColorType, kPremul_SkAlphaType);

    if (!bm->tryAllocPixels(info))

    {

        MSG_ERROR("Error allocating " << (width * height) << " pixels!");

        return nullptr;

    }

    return bm;

}

SkColor reverseColor(const SkColor& col)

{

    DECL_TRACER("reverseColor(const SkColor& col)");

    int red = SkColorGetR(col);

    int green = SkColorGetG(col);

    int blue = SkColorGetB(col);

    int alpha = SkColorGetA(col);

    return SkColorSetARGB(alpha, blue, green, red);

}

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;

    if (str.empty())

        return parts;

    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 && *sepIt != '\n')

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

                else if (len > 0)

                    parts.push_back(str.substr(mark, len) + "\n");

                else if (*sepIt == '\n')

                    parts.push_back("\n");

                else

                    parts.push_back(string());

                mark = pos + 1;

                break;

            }

            else if (*it == *sepIt)

            {

                if (*sepIt == '\n')

                    parts.push_back("\n");

                mark = pos + 1;

            }

        }

        pos++;

    }

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

    if (trimEmpty)

    {

        vector<string> nparts;

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

        {

            if (iter->empty())

                continue;

            nparts.push_back(*iter);

        }

        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);

        unsigned int utf = 0x80000000;

        if (ch >= 0x80)

        {

            do

            {

                i++;

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

                {

                    utf = __cht[i].byte;

                    break;

                }

            }

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

            if (utf == 0x80000000)

                utf = ch;

        }

        else

            utf = ch;

        if (utf > 0x00ffff)

        {

            out.push_back((utf >> 16) & 0x0000ff);

            out.push_back((utf >> 8) & 0x0000ff);

            out.push_back(utf & 0x0000ff);

        }

        else if (utf > 0x0000ff)

        {

            out.push_back((utf >> 8) & 0x0000ff);

            out.push_back(utf & 0x0000ff);

        }

        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)");

#ifdef __ANDROID__

    string out;

    string::const_iterator iter;

    bool three = false;

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

    {

        unsigned int uch;

        if ((*iter & 0xc0) == 0xc0)     // If UTF8 then we need the next char also

        {

            uch = 0;

            if ((*iter & 0xe0) == 0xe0) // UTF8 consists of 3 bytes?

            {

                uch = (*iter << 16) & 0x00ff0000;

                ++iter;

                three = true;

            }

            uch |= ((*iter << 8) & 0x0000ff00);

            ++iter;

            uch |= (*iter & 0x000000ff);

        }

        else

            uch = *iter;

        if (three || uch > 0x00ff)

        {

            int i = 0;

            bool found = false;

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

            {

                if (__cht[i].byte == uch)

                {

                    out.push_back(__cht[i].ch);

                    found = true;

                    break;

                }

                i++;

            }

            three = false;

            if (!found)

            {

                unsigned ch = ((uch & 0x0300) >> 2) | (uch & 0x003f);

                out.push_back(ch);

            }

        }

        else

            out.push_back(uch);

    }

    return out;

#else

    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("UTF-8", "CP1250");

    if (conv == (iconv_t)-1)

    {

        MSG_ERROR("Error opening iconv: " << strerror(errno));

        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);

#endif

}

std::string intToString(int num)

{

    std::stringstream ss;

    ss << num;

    return ss.str();

}

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

{

    if (old_size == new_size)

        return *mem;

    if (!mem || !*mem)

        return nullptr;

    try

    {

        char *memory = new char[new_size];

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

        memcpy(memory, *mem, len);

        delete[] *mem;

        *mem = memory;

        return memory;

    }

    catch(std::exception& e)

    {

        MSG_ERROR(e.what());

        throw;

    }

    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;

}

vector<string> splitLine(const string& str)

{

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

    vector<string> lines;

    string sl;

    string::const_iterator iter;

    if (str.empty())

        return lines;

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

    {

        if (*iter == '\r')  // ignore bloating byte coming from brain death windows

            continue;

        if (*iter == '\n')

        {

            lines.push_back(sl);

            sl.clear();

            continue;

        }

        char ch[2];

        ch[0] = *iter;

        ch[1] = 0;

        sl.append(ch);

    }

    if (!sl.empty())

        lines.push_back(sl);

    return lines;

}

vector<string> splitLine(const string& str, int width, int height, SkFont& font, SkPaint& paint)

{

    DECL_TRACER("splitLine(const string& str, int width, int height, SkFont& font, SkPaint& paint)");

    SkRect rect;

    vector<string> lines, words;

    SkScalar lnHeight = font.getSize();

    int maxLines = (int)((SkScalar)height / lnHeight);

    string part, oldPart;

    if (str.empty())

        return lines;

    words = StrSplit(str, " \n");

    MSG_DEBUG("Found " << words.size() << " words.");

    vector<string>::iterator iter;

    if (words.size() == 0)

        return lines;

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

    {

        size_t pos;

        bool lineBreak = false;

        if ((pos = iter->find("\n")) != string::npos)

        {

            if (pos > 0)

                *iter = iter->substr(0, pos);

            else

                *iter = "";

            lineBreak = true;

        }

        if (part.empty())

            part += *iter;

        else

            part += " " + *iter;

        font.measureText(part.c_str(), part.length(), SkTextEncoding::kUTF8, &rect, &paint);

        if (rect.width() > (width - 8))

        {

            if (oldPart.empty())

            {

                string sample;

                size_t len = part.length();

                size_t pos = 1, start = 0;

                for (size_t i = 0; i < len; i++)

                {

                    sample = part.substr(start, pos);

                    font.measureText(sample.c_str(), sample.length(), SkTextEncoding::kUTF8, &rect, &paint);

                    if (rect.width() > (width - 8))

                    {

                        lines.push_back(sample.substr(0, sample.length() - 1)); // Cut off the last character because it is already out of bounds.

                        start = i;                                              // Set the new start of the string

                        i--;                                                    // We must repeat the last character

                        pos = 0;                                                // Reset the position counter

                        sample = sample.substr(sample.length() - 1);            // Put the last character into the part.

                        if (lines.size() >= (size_t)maxLines)                   // Break if we've reached the maximum of lines

                            return lines;

                    }

                    pos++;

                }

                oldPart.clear();

                part = sample;

                continue;

            }

            else

            {

                lines.push_back(oldPart);

                oldPart.clear();

                part = *iter;

                if (lines.size() >= (size_t)maxLines)               // Break if we've reached the maximum of lines

                    return lines;

                font.measureText(part.c_str(), part.length(), SkTextEncoding::kUTF8, &rect, &paint);

                if (rect.width() > (width - 8))

                    continue;

            }

        }

        else if (lineBreak)

        {

            lines.push_back(part);

            part.clear();

        }

        oldPart = part;

    }

    if (lines.empty())

        lines.push_back(str);

    else if (!part.empty())

        lines.push_back(part);

    return lines;

}

bool isHex(int c)

{

    if ((c >= '0' && c <= '9') ||

        (c >= 'a' && c <= 'f') ||

        (c >= 'A' && c <= 'F'))

        return true;

    return false;

}

int strCaseCompare(const string& str1, const string& str2)

{

    return strcasecmp(str1.c_str(), str2.c_str());

}

std::string fillString(int c, int len)

{

    if (len < 1 || c < 1 || c > 0x00ffffff)

        return string();

    string str;

    char ch[4];

    if (c <= 0x00ff)

    {

        ch[0] = c;

        ch[1] = 0;

    }

    else if (c <= 0x00ffff)

    {

        ch[0] = c >> 8;

        ch[1] = c;

        ch[2] = 0;

    }

    else

    {

        ch[0] = c >> 16;

        ch[1] = c >> 8;

        ch[2] = c;

        ch[3] = 0;

    }

    for (int i = 0; i < len; i++)

        str.append(ch);

    return str;

}

bool isUTF8(const string& str)

{

    int c,i,ix,n,j;

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

    {

        c = (unsigned char) str[i];

        if (0x00 <= c && c <= 0x7f)

            n=0; // 0bbbbbbb

        else if ((c & 0xE0) == 0xC0)

            n=1; // 110bbbbb

        else if ( c==0xed && i<(ix-1) && ((unsigned char)str[i+1] & 0xa0)==0xa0)

            return false; //U+d800 to U+dfff

        else if ((c & 0xF0) == 0xE0)

            n=2; // 1110bbbb

        else if ((c & 0xF8) == 0xF0)

            n=3; // 11110bbb

        else

            return false;

        for (j=0; j<n && i<ix; j++) // n bytes matching 10bbbbbb follow ?

        {

            if ((++i == ix) || (( (unsigned char)str[i] & 0xC0) != 0x80))

                return false;

        }

    }

    return true;

}

size_t utf8Strlen(const std::string& str)

{

    int c,i,ix;

    size_t q;

    for (q = 0, i = 0, ix = str.length(); i < ix; i++, q++)

    {

        c = (unsigned char)str[i];

        if (c >= 0 && c <= 127)

            i += 0;

        else if ((c & 0xE0) == 0xC0)

            i += 1;