yocto_display.cpp

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/*********************************************************************
 *
 * $Id: yocto_display.cpp 28754 2017-10-03 11:54:51Z seb $
 *
 * Implements yFindDisplay(), the high-level API for Display functions
 *
 * - - - - - - - - - License information: - - - - - - - - -
 *
 *  Copyright (C) 2011 and beyond by Yoctopuce Sarl, Switzerland.
 *
 *  Yoctopuce Sarl (hereafter Licensor) grants to you a perpetual
 *  non-exclusive license to use, modify, copy and integrate this
 *  file into your software for the sole purpose of interfacing
 *  with Yoctopuce products.
 *
 *  You may reproduce and distribute copies of this file in
 *  source or object form, as long as the sole purpose of this
 *  code is to interface with Yoctopuce products. You must retain
 *  this notice in the distributed source file.
 *
 *  You should refer to Yoctopuce General Terms and Conditions
 *  for additional information regarding your rights and
 *  obligations.
 *
 *  THE SOFTWARE AND DOCUMENTATION ARE PROVIDED "AS IS" WITHOUT
 *  WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
 *  WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS
 *  FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO
 *  EVENT SHALL LICENSOR BE LIABLE FOR ANY INCIDENTAL, SPECIAL,
 *  INDIRECT OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA,
 *  COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR
 *  SERVICES, ANY CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT
 *  LIMITED TO ANY DEFENSE THEREOF), ANY CLAIMS FOR INDEMNITY OR
 *  CONTRIBUTION, OR OTHER SIMILAR COSTS, WHETHER ASSERTED ON THE
 *  BASIS OF CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF
 *  WARRANTY, OR OTHERWISE.
 *
 *********************************************************************/


#define _CRT_SECURE_NO_DEPRECATE //do not use windows secure crt
#include "yocto_display.h"
#include "yapi/yjson.h"
#include "yapi/yapi.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#define  __FILE_ID__  "display"


YDisplayLayer::YDisplayLayer(YDisplay *parent, int id):
//--- (generated code: YDisplayLayer initialization)
//--- (end of generated code: YDisplayLayer initialization)
_display(parent),_id(id),_cmdbuff(""),_hidden(false)
{}


int YDisplayLayer::flush_now(void)
{
    int res = YAPI_SUCCESS;
    if(_cmdbuff.length() > 0) {
        res = _display->sendCommand(_cmdbuff);
        _cmdbuff="";
    }
    return res;
}


// internal function to send a command for this layer
int YDisplayLayer::command_push(string cmd)
{
    int res = YAPI_SUCCESS;

    if(_cmdbuff.length() + cmd.length() >= 100) {
        // force flush before, to prevent overflow
        res = flush_now();
    }
    if(_cmdbuff.length() == 0) {
        // always prepend layer ID first
        _cmdbuff.append(YapiWrapper::ysprintf("%d",_id));
    }
    _cmdbuff.append(cmd);
    return res;
}

// internal function to send a command for this layer
int YDisplayLayer::command_flush(string cmd)
{
    int  res = command_push(cmd);
    if(_hidden) {
        return res;
    }
    return flush_now();
}

int YDisplayLayer::drawBitmap(int x,int y,int w,const std::vector<unsigned char>& data,int bgcol)
{
        int size = (int)data.size();
        char *arr = new char[size];
        for (int i=0;i<size;i++) arr[i] = data[i];
        string strval = string(arr,size);
        return this->drawBitmap(x,y,w,strval,bgcol);
}


//--- (generated code: YDisplayLayer implementation)
// static attributes


int YDisplayLayer::reset(void)
{
    _hidden = false;
    return this->command_flush("X");
}

int YDisplayLayer::clear(void)
{
    return this->command_flush("x");
}

int YDisplayLayer::selectColorPen(int color)
{
    return this->command_push(YapiWrapper::ysprintf("c%06x",color));
}

int YDisplayLayer::selectGrayPen(int graylevel)
{
    return this->command_push(YapiWrapper::ysprintf("g%d",graylevel));
}

int YDisplayLayer::selectEraser(void)
{
    return this->command_push("e");
}

int YDisplayLayer::setAntialiasingMode(bool mode)
{
    return this->command_push(YapiWrapper::ysprintf("a%d",mode));
}

int YDisplayLayer::drawPixel(int x,int y)
{
    return this->command_flush(YapiWrapper::ysprintf("P%d,%d",x,y));
}

int YDisplayLayer::drawRect(int x1,int y1,int x2,int y2)
{
    return this->command_flush(YapiWrapper::ysprintf("R%d,%d,%d,%d",x1,y1,x2,y2));
}

int YDisplayLayer::drawBar(int x1,int y1,int x2,int y2)
{
    return this->command_flush(YapiWrapper::ysprintf("B%d,%d,%d,%d",x1,y1,x2,y2));
}

int YDisplayLayer::drawCircle(int x,int y,int r)
{
    return this->command_flush(YapiWrapper::ysprintf("C%d,%d,%d",x,y,r));
}

int YDisplayLayer::drawDisc(int x,int y,int r)
{
    return this->command_flush(YapiWrapper::ysprintf("D%d,%d,%d",x,y,r));
}

int YDisplayLayer::selectFont(string fontname)
{
    return this->command_push(YapiWrapper::ysprintf("&%s%c",fontname.c_str(),27));
}

int YDisplayLayer::drawText(int x,int y,Y_ALIGN anchor,string text)
{
    return this->command_flush(YapiWrapper::ysprintf("T%d,%d,%d,%s%c",x,y,anchor,text.c_str(),27));
}

int YDisplayLayer::drawImage(int x,int y,string imagename)
{
    return this->command_flush(YapiWrapper::ysprintf("*%d,%d,%s%c",x,y,imagename.c_str(),27));
}

int YDisplayLayer::drawBitmap(int x,int y,int w,string bitmap,int bgcol)
{
    string destname;
    destname = YapiWrapper::ysprintf("layer%d:%d,%d@%d,%d",_id,w,bgcol,x,y);
    return _display->upload(destname,bitmap);
}

int YDisplayLayer::moveTo(int x,int y)
{
    return this->command_push(YapiWrapper::ysprintf("@%d,%d",x,y));
}

int YDisplayLayer::lineTo(int x,int y)
{
    return this->command_flush(YapiWrapper::ysprintf("-%d,%d",x,y));
}

int YDisplayLayer::consoleOut(string text)
{
    return this->command_flush(YapiWrapper::ysprintf("!%s%c",text.c_str(),27));
}

int YDisplayLayer::setConsoleMargins(int x1,int y1,int x2,int y2)
{
    return this->command_push(YapiWrapper::ysprintf("m%d,%d,%d,%d",x1,y1,x2,y2));
}

int YDisplayLayer::setConsoleBackground(int bgcol)
{
    return this->command_push(YapiWrapper::ysprintf("b%d",bgcol));
}

int YDisplayLayer::setConsoleWordWrap(bool wordwrap)
{
    return this->command_push(YapiWrapper::ysprintf("w%d",wordwrap));
}

int YDisplayLayer::clearConsole(void)
{
    return this->command_flush("^");
}

int YDisplayLayer::setLayerPosition(int x,int y,int scrollTime)
{
    return this->command_flush(YapiWrapper::ysprintf("#%d,%d,%d",x,y,scrollTime));
}

int YDisplayLayer::hide(void)
{
    this->command_push("h");
    _hidden = true;
    return this->flush_now();
}

int YDisplayLayer::unhide(void)
{
    _hidden = false;
    return this->command_flush("s");
}

YDisplay* YDisplayLayer::get_display(void)
{
    return _display;
}

int YDisplayLayer::get_displayWidth(void)
{
    return _display->get_displayWidth();
}

int YDisplayLayer::get_displayHeight(void)
{
    return _display->get_displayHeight();
}

int YDisplayLayer::get_layerWidth(void)
{
    return _display->get_layerWidth();
}

int YDisplayLayer::get_layerHeight(void)
{
    return _display->get_layerHeight();
}

int YDisplayLayer::resetHiddenFlag(void)
{
    _hidden = false;
    return YAPI_SUCCESS;
}
//--- (end of generated code: YDisplayLayer implementation)


YDisplay::YDisplay(const string& func): YFunction(func)
//--- (generated code: YDisplay initialization)
    ,_enabled(ENABLED_INVALID)
    ,_startupSeq(STARTUPSEQ_INVALID)
    ,_brightness(BRIGHTNESS_INVALID)
    ,_orientation(ORIENTATION_INVALID)
    ,_displayWidth(DISPLAYWIDTH_INVALID)
    ,_displayHeight(DISPLAYHEIGHT_INVALID)
    ,_displayType(DISPLAYTYPE_INVALID)
    ,_layerWidth(LAYERWIDTH_INVALID)
    ,_layerHeight(LAYERHEIGHT_INVALID)
    ,_layerCount(LAYERCOUNT_INVALID)
    ,_command(COMMAND_INVALID)
    ,_valueCallbackDisplay(NULL)
//--- (end of generated code: YDisplay initialization)
            ,_allDisplayLayers(0)
            ,_recording(false)
            ,_sequence("")
{
    _className ="Display";
}

YDisplay::~YDisplay()
{
    unsigned int i;
    for (i=0;i<_allDisplayLayers.size();i++){
        delete _allDisplayLayers[i];
    }
    _allDisplayLayers.clear();
    //--- (generated code: YDisplay cleanup)
//--- (end of generated code: YDisplay cleanup)
}


//--- (generated code: YDisplay implementation)
// static attributes
const string YDisplay::STARTUPSEQ_INVALID = YAPI_INVALID_STRING;
const string YDisplay::COMMAND_INVALID = YAPI_INVALID_STRING;

int YDisplay::_parseAttr(YJSONObject* json_val)
{
    if(json_val->has("enabled")) {
        _enabled =  (Y_ENABLED_enum)json_val->getInt("enabled");
    }
    if(json_val->has("startupSeq")) {
        _startupSeq =  json_val->getString("startupSeq");
    }
    if(json_val->has("brightness")) {
        _brightness =  json_val->getInt("brightness");
    }
    if(json_val->has("orientation")) {
        _orientation =  (Y_ORIENTATION_enum)json_val->getInt("orientation");
    }
    if(json_val->has("displayWidth")) {
        _displayWidth =  json_val->getInt("displayWidth");
    }
    if(json_val->has("displayHeight")) {
        _displayHeight =  json_val->getInt("displayHeight");
    }
    if(json_val->has("displayType")) {
        _displayType =  (Y_DISPLAYTYPE_enum)json_val->getInt("displayType");
    }
    if(json_val->has("layerWidth")) {
        _layerWidth =  json_val->getInt("layerWidth");
    }
    if(json_val->has("layerHeight")) {
        _layerHeight =  json_val->getInt("layerHeight");
    }
    if(json_val->has("layerCount")) {
        _layerCount =  json_val->getInt("layerCount");
    }
    if(json_val->has("command")) {
        _command =  json_val->getString("command");
    }
    return YFunction::_parseAttr(json_val);
}


Y_ENABLED_enum YDisplay::get_enabled(void)
{
    Y_ENABLED_enum res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::ENABLED_INVALID;
                }
            }
        }
        res = _enabled;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::set_enabled(Y_ENABLED_enum newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        rest_val = (newval>0 ? "1" : "0");
        res = _setAttr("enabled", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

string YDisplay::get_startupSeq(void)
{
    string res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::STARTUPSEQ_INVALID;
                }
            }
        }
        res = _startupSeq;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::set_startupSeq(const string& newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        rest_val = newval;
        res = _setAttr("startupSeq", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::get_brightness(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::BRIGHTNESS_INVALID;
                }
            }
        }
        res = _brightness;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::set_brightness(int newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        char buf[32]; sprintf(buf, "%d", newval); rest_val = string(buf);
        res = _setAttr("brightness", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

Y_ORIENTATION_enum YDisplay::get_orientation(void)
{
    Y_ORIENTATION_enum res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::ORIENTATION_INVALID;
                }
            }
        }
        res = _orientation;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::set_orientation(Y_ORIENTATION_enum newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        char buf[32]; sprintf(buf, "%d", newval); rest_val = string(buf);
        res = _setAttr("orientation", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::get_displayWidth(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::DISPLAYWIDTH_INVALID;
                }
            }
        }
        res = _displayWidth;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::get_displayHeight(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::DISPLAYHEIGHT_INVALID;
                }
            }
        }
        res = _displayHeight;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

Y_DISPLAYTYPE_enum YDisplay::get_displayType(void)
{
    Y_DISPLAYTYPE_enum res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration == 0) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::DISPLAYTYPE_INVALID;
                }
            }
        }
        res = _displayType;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::get_layerWidth(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration == 0) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::LAYERWIDTH_INVALID;
                }
            }
        }
        res = _layerWidth;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::get_layerHeight(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration == 0) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::LAYERHEIGHT_INVALID;
                }
            }
        }
        res = _layerHeight;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::get_layerCount(void)
{
    int res = 0;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration == 0) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::LAYERCOUNT_INVALID;
                }
            }
        }
        res = _layerCount;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

string YDisplay::get_command(void)
{
    string res;
    yEnterCriticalSection(&_this_cs);
    try {
        if (_cacheExpiration <= YAPI::GetTickCount()) {
            if (this->_load_unsafe(YAPI::DefaultCacheValidity) != YAPI_SUCCESS) {
                {
                    yLeaveCriticalSection(&_this_cs);
                    return YDisplay::COMMAND_INVALID;
                }
            }
        }
        res = _command;
    } catch (std::exception) {
        yLeaveCriticalSection(&_this_cs);
        throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

int YDisplay::set_command(const string& newval)
{
    string rest_val;
    int res;
    yEnterCriticalSection(&_this_cs);
    try {
        rest_val = newval;
        res = _setAttr("command", rest_val);
    } catch (std::exception) {
         yLeaveCriticalSection(&_this_cs);
         throw;
    }
    yLeaveCriticalSection(&_this_cs);
    return res;
}

YDisplay* YDisplay::FindDisplay(string func)
{
    YDisplay* obj = NULL;
    int taken = 0;
    if (YAPI::_apiInitialized) {
        yEnterCriticalSection(&YAPI::_global_cs);
        taken = 1;
    }try {
        obj = (YDisplay*) YFunction::_FindFromCache("Display", func);
        if (obj == NULL) {
            obj = new YDisplay(func);
            YFunction::_AddToCache("Display", func, obj);
        }
    } catch (std::exception) {
        if (taken) yLeaveCriticalSection(&YAPI::_global_cs);
        throw;
    }
    if (taken) yLeaveCriticalSection(&YAPI::_global_cs);
    return obj;
}

int YDisplay::registerValueCallback(YDisplayValueCallback callback)
{
    string val;
    if (callback != NULL) {
        YFunction::_UpdateValueCallbackList(this, true);
    } else {
        YFunction::_UpdateValueCallbackList(this, false);
    }
    _valueCallbackDisplay = callback;
    // Immediately invoke value callback with current value
    if (callback != NULL && this->isOnline()) {
        val = _advertisedValue;
        if (!(val == "")) {
            this->_invokeValueCallback(val);
        }
    }
    return 0;
}

int YDisplay::_invokeValueCallback(string value)
{
    if (_valueCallbackDisplay != NULL) {
        _valueCallbackDisplay(this, value);
    } else {
        YFunction::_invokeValueCallback(value);
    }
    return 0;
}

int YDisplay::resetAll(void)
{
    this->flushLayers();
    this->resetHiddenLayerFlags();
    return this->sendCommand("Z");
}

int YDisplay::fade(int brightness,int duration)
{
    this->flushLayers();
    return this->sendCommand(YapiWrapper::ysprintf("+%d,%d",brightness,duration));
}

int YDisplay::newSequence(void)
{
    this->flushLayers();
    _sequence = "";
    _recording = true;
    return YAPI_SUCCESS;
}

int YDisplay::saveSequence(string sequenceName)
{
    this->flushLayers();
    _recording = false;
    this->_upload(sequenceName, _sequence);
    //We need to use YPRINTF("") for Objective-C
    _sequence = YapiWrapper::ysprintf("");
    return YAPI_SUCCESS;
}

int YDisplay::playSequence(string sequenceName)
{
    this->flushLayers();
    return this->sendCommand(YapiWrapper::ysprintf("S%s",sequenceName.c_str()));
}

int YDisplay::pauseSequence(int delay_ms)
{
    this->flushLayers();
    return this->sendCommand(YapiWrapper::ysprintf("W%d",delay_ms));
}

int YDisplay::stopSequence(void)
{
    this->flushLayers();
    return this->sendCommand("S");
}

int YDisplay::upload(string pathname,string content)
{
    return this->_upload(pathname, content);
}

int YDisplay::copyLayerContent(int srcLayerId,int dstLayerId)
{
    this->flushLayers();
    return this->sendCommand(YapiWrapper::ysprintf("o%d,%d",srcLayerId,dstLayerId));
}

int YDisplay::swapLayerContent(int layerIdA,int layerIdB)
{
    this->flushLayers();
    return this->sendCommand(YapiWrapper::ysprintf("E%d,%d",layerIdA,layerIdB));
}

YDisplay *YDisplay::nextDisplay(void)
{
    string  hwid;

    if(YISERR(_nextFunction(hwid)) || hwid=="") {
        return NULL;
    }
    return YDisplay::FindDisplay(hwid);
}

YDisplay* YDisplay::FirstDisplay(void)
{
    vector<YFUN_DESCR>   v_fundescr;
    YDEV_DESCR             ydevice;
    string              serial, funcId, funcName, funcVal, errmsg;

    if(YISERR(YapiWrapper::getFunctionsByClass("Display", 0, v_fundescr, sizeof(YFUN_DESCR), errmsg)) ||
       v_fundescr.size() == 0 ||
       YISERR(YapiWrapper::getFunctionInfo(v_fundescr[0], ydevice, serial, funcId, funcName, funcVal, errmsg))) {
        return NULL;
    }
    return YDisplay::FindDisplay(serial+"."+funcId);
}

//--- (end of generated code: YDisplay implementation)


YDisplayLayer* YDisplay::get_displayLayer(unsigned layerId)
{
    if(_allDisplayLayers.size()==0) {
        unsigned nb_display_layer = this->get_layerCount();
        for(unsigned i = 0; i < nb_display_layer; i++) {
            _allDisplayLayers.push_back(new YDisplayLayer(this, i));
        }
    }
    if(layerId >= _allDisplayLayers.size()) {
        this->_throw(YAPI_INVALID_ARGUMENT, "Invalid layerId");
        return NULL;
    }
    return _allDisplayLayers[layerId];
}


int YDisplay::flushLayers(void)
{
    for(unsigned i = 0; i < _allDisplayLayers.size(); i++) {
        _allDisplayLayers[i]->flush_now();
    }
    return YAPI_SUCCESS;
}

// internal function to clear hidden flag during resetAll
void YDisplay::resetHiddenLayerFlags(void)
{
    for(unsigned i = 0; i < _allDisplayLayers.size(); i++) {
        _allDisplayLayers[i]->resetHiddenFlag();
    }
}

int YDisplay::sendCommand(string cmd)
{
    if(!_recording) {
        return this->set_command(cmd);
    }
    _sequence += cmd+"\n";
    return YAPI_SUCCESS;
}


//--- (generated code: YDisplay functions)
//--- (end of generated code: YDisplay functions)