p_graphite_digester_sdk/components/dwin/text_displayer.cpp

#include "text_displayer.hpp"

#include <string.h>
using namespace iflytop::dwin;
using namespace iflytop;
using namespace std;
#define DO(x)                   \
  if (!x) {                     \
    printf("do %s fail\n", #x); \
    return false;               \
  }
static uint8_t txcache[256];

bool TextDisplayer::init(DwinScreen *dwin_screen, uint16_t valsize) {
  uint16_t descript_add = dwin_screen->alloc_one_text_displayer();
  uint16_t val_add      = dwin_screen->alloc_free_ram(valsize);
  return init(dwin_screen, descript_add, val_add);
}

bool TextDisplayer::init(DwinScreen *dwin_screen, uint16_t descript_add, uint16_t val_add) {
  //
  m_dwin_screen  = dwin_screen;
  m_descript_add = descript_add;
  // printf("TextDisplayer init %04x\n", m_descript_add);
  readcfg();
  if (val_add != 0) {
    m_descript.VP = val_add;
    flushcfg();
  }
  return true;
}

bool TextDisplayer::show() { setTextLengthDirect(m_descript.TextLength); }
bool TextDisplayer::hide() { setTextLengthDirect(0); }
bool TextDisplayer::flushcfg() { return m_dwin_screen->write_varspace16_muti(m_descript_add, (uint16_t *)&m_descript, sizeof(m_descript) / 2, 100); }
bool TextDisplayer::readcfg() { return m_dwin_screen->read_varspace16_muti(m_descript_add, (uint16_t *)&m_descript, sizeof(m_descript) / 2, 100); }
void TextDisplayer::setFont(uint16_t EncodeMode, uint8_t font0id, uint8_t font1id, uint16_t frontxsize, uint16_t frontysize) {
  m_descript.EncodeMode = EncodeMode;
  m_descript.Font0ID    = font0id;
  m_descript.Font1ID    = font1id;
  m_descript.FontYDots  = frontysize;
  m_descript.FontXDots  = frontxsize;
  m_descript.TextLength = 256;
}
void TextDisplayer::setPos(uint16_t x, uint16_t y, uint16_t width, uint16_t hight) {
  uint16_t startx = x;
  uint16_t endx   = x + width;
  uint16_t starty = y;
  uint16_t endy   = y + hight;

  m_descript.PosX = x;
  m_descript.PosY = y;
  m_descript.Xs   = x;
  m_descript.Ys   = y;
  m_descript.Xe   = endx;
  m_descript.Ye   = endy;
}
bool TextDisplayer::setTextLengthDirect(uint16_t len) {
  DO(m_dwin_screen->write_varspace16(m_descript_add + 8, len, 100));
  return true;
}

bool TextDisplayer::setVal(const char *val) {
  memset(txcache, 0, sizeof(txcache));
  memcpy(txcache, val, strlen(val));
  DO(m_dwin_screen->write_varspace(m_descript.VP, txcache, strlen(val) + 2, 100));

#if 0
  uint16_t zero = 0;
  setTextLengthDirect(0);
  m_dwin_screen->write_varspace(m_descript.VP, (uint8_t *)val, strlen(val), 100);
  setTextLengthDirect((uint16_t)strlen(val));
  m_descript.TextLength = (uint16_t)strlen(val);
#endif
  return true;
}
void TextDisplayer::setColor(uint16_t color) { m_descript.Color = color; }
void TextDisplayer::dumpinfo() {}