graphics2d.h File Reference

#include "libstd/defines.h"
#include "libframebuffer/framebuffer.h"

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Functions
void	G2Draw (framebuffer)
unsigned char *	G2ConvertFBToRITFormat (framebuffer)

Function Documentation

unsigned char* G2ConvertFBToRITFormat

(

framebuffer

)

Unpack fb into in the format understood by RIT functions.

Parameters

fb	Framebuffer to convert into a char*

Returns

fb in RITFormat (unpacked char* array)

Definition at line 23 of file graphics2d.c.

References g_PackedDeviceBuffer, OLED_HEIGHT, OLED_WIDTH, and RIT_FB_WIDTH.

Referenced by demonstrateClock(), demonstrateDrawShapes(), demonstrateDrawString(), G2Draw(), and main().

                                                      {

  /* i is x, j is y */
  unsigned char i, j;
  unsigned char a, b;

#ifndef NDEBUG
  printf("%s Unpacking framebuffer...", __FUNCTION__);
#endif

  for(j=0; j<OLED_HEIGHT; ++j) {
    for(i=0; i<OLED_WIDTH; i+=2) {
      a = fb[i][j];
      b = fb[i+1][j];

      g_PackedDeviceBuffer[(i/2)+j*RIT_FB_WIDTH] = (a<<4) | (b&0xF);
    }
  }

#ifndef NDEBUG
  printf("%s Done unpacking framebuffer...", __FUNCTION__);
#endif

  return g_PackedDeviceBuffer;
}

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void G2Draw

(

framebuffer

)

Draw (unpacked) fb on the OLED.

Parameters

fb	Framebuffer type (char**)

Returns

void

Definition at line 49 of file graphics2d.c.

References G2ConvertFBToRITFormat(), g_PackedDeviceBuffer, OLED_HEIGHT, and OLED_WIDTH.

                            {

  G2ConvertFBToRITFormat(fb);
#ifndef __GNUC__
  RIT128x96x4ImageDraw(g_PackedDeviceBuffer, 0, 0, OLED_WIDTH, OLED_HEIGHT);
#endif
}

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