u8g2-copy/sys/tga/ref_man_pics_u8g2/main.c

/*
  
  main.c
  
  Generate pictures for the u8g2 reference manual.
  
  
  Universal 8bit Graphics Library (http://code.google.com/p/u8g2/)

  Copyright (c) 2016, olikraus@gmail.com
  All rights reserved.

  Redistribution and use in source and binary forms, with or without modification, 
  are permitted provided that the following conditions are met:

  * Redistributions of source code must retain the above copyright notice, this list 
    of conditions and the following disclaimer.
    
  * Redistributions in binary form must reproduce the above copyright notice, this 
    list of conditions and the following disclaimer in the documentation and/or other 
    materials provided with the distribution.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
  
*/

#include <string.h>
#include <stdlib.h>
#include <stdio.h>

#include "u8x8.h"
#include "u8g2.h"



extern uint8_t tga_is_transparent;

extern uint8_t tga_desc_fg_r;
extern uint8_t tga_desc_fg_g;
extern uint8_t tga_desc_fg_b;

extern uint8_t tga_desc_bg_r;
extern uint8_t tga_desc_bg_g;
extern uint8_t tga_desc_bg_b;

extern uint8_t tga_lcd_fg_r;
extern uint8_t tga_lcd_fg_g;
extern uint8_t tga_lcd_fg_b;

extern uint8_t tga_lcd_bg_r;
extern uint8_t tga_lcd_bg_g;
extern uint8_t tga_lcd_bg_b;

extern void tga_save_png(const char *name);

u8x8_t u8x8;
u8g2_t u8g2;
u8g2_t desc;

void ra(uint16_t tx, uint16_t ty, const char *s)
{
  int x,y, i, w;
  x = tx*3+64*3 + 0;
  y = ty*3+32*3 + 1;
  for( i = 0; i < 6; i++)
  {
    u8g2_DrawHVLine(&desc, x-2*i, y-i, 1+2*i, 1);
    u8g2_DrawHVLine(&desc, x-2*i-1, y-i, 1+2*i, 1);
  }
  u8g2_DrawHVLine(&desc, x-30, y-1, 28, 0);
  u8g2_DrawHVLine(&desc, x-30, y, 20, 0);
  u8g2_DrawHVLine(&desc, x-30, y+1, 28, 0);

  w = u8g2_GetStrWidth(&desc, s);
  u8g2_DrawStr(&desc, x-34-w, y+u8g2_GetAscent(&desc)/2, s);
  
  
}

/* vertical measure */
/* tx,ty: lower point */
void vm(uint16_t tx, uint16_t ty, uint16_t dy)
{
  char s[10];
  
  int x,y, i, w;
  x = tx*3+64*3 + 1;
  y = ty*3+32*3 +3;
  
  u8g2_DrawHVLine(&desc, x-3, y-1, 7, 0);
  u8g2_DrawHVLine(&desc, x, y-dy*3, dy*3, 1);
  u8g2_DrawHVLine(&desc, x-3, y-dy*3, 7, 0);

  sprintf(s, "%d", dy);
  w = u8g2_GetStrWidth(&desc, s);
  u8g2_DrawStr(&desc, x+6, y-(dy*3)/2+u8g2_GetAscent(&desc)/2, s);
}


int main(void)
{
  /*
  tga_desc_fg_r = 100;
  tga_desc_fg_g = 118;
  tga_desc_fg_b = 135;
  */

  tga_desc_fg_r = 76;
  tga_desc_fg_g = 0;
  tga_desc_fg_b = 205;

  tga_desc_bg_r = 255;
  tga_desc_bg_g = 255;
  tga_desc_bg_b = 255;

  tga_lcd_fg_r = 0;
  tga_lcd_fg_g = 0;
  tga_lcd_fg_b = 0;

  tga_lcd_bg_r = 250;
  tga_lcd_bg_g = 193;
  tga_lcd_bg_b = 50;

  /*
  u8x8_Setup_TGA_DESC(&desc);
  u8x8_InitDisplay(&desc);  
  u8x8_SetPowerSave(&desc, 0);
  u8x8_ClearDisplay(&desc);
  u8x8_SetFont(&desc, u8x8_font_amstrad_cpc_extended_r);
  u8x8_DrawString(&desc, 0, 0, "Description");
*/

  u8g2_SetupBuffer_TGA_DESC(&desc, &u8g2_cb_r0);
  u8g2_InitDisplay(&desc);  
  u8g2_SetPowerSave(&desc, 0);
  u8g2_ClearDisplay(&desc);


  u8g2_SetupBuffer_TGA_LCD(&u8g2, &u8g2_cb_r0);
  u8g2_InitDisplay(&u8g2);  
  u8g2_SetPowerSave(&u8g2, 0);
  u8g2_ClearDisplay(&u8g2);



  u8g2_FirstPage(&u8g2);
  do
  {
    u8g2_SetFont(&u8g2, u8g2_font_ncenB14_tf);
    u8g2_DrawStr(&u8g2, 0, 15, "Hello World!");
  } while( u8g2_NextPage(&u8g2) );

  tga_is_transparent = 1;
  u8g2_FirstPage(&desc);
  do
  {
    u8g2_SetFont(&desc, u8g2_font_helvB18_tf);
    ra(0,15, "x=0, y=15");
  } while( u8g2_NextPage(&desc) );
  tga_is_transparent = 0;

  tga_save_png("u8g2_hello_world.png");

/*=========================================*/
  
  u8x8_ClearDisplay(u8g2_GetU8x8(&desc)); 
  
  u8g2_FirstPage(&u8g2);
  do
  {
    u8g2_SetFont(&u8g2, u8g2_font_ncenB18_tf);
    u8g2_DrawStr(&u8g2, 5, 20, "A  gi");
  } while( u8g2_NextPage(&u8g2) );

  tga_is_transparent = 1;
  u8g2_FirstPage(&desc);
  do
  {
    u8g2_SetFont(&desc, u8g2_font_helvB18_tf);
    ra(5,20, "x=5, y=20");
    u8g2_SetFont(&u8g2, u8g2_font_ncenB18_tf);
    vm(25,19, u8g2_GetAscent(&u8g2));
    
    /* descent usually is negative */
    vm(62,19-u8g2_GetDescent(&u8g2), -u8g2_GetDescent(&u8g2));
  } while( u8g2_NextPage(&desc) );
  tga_is_transparent = 0;

  tga_save_png("u8g2_ascent_descent.png");

/*=========================================*/

  u8x8_ClearDisplay(u8g2_GetU8x8(&desc));
  
  u8g2_FirstPage(&u8g2);
  do
  {
    u8g2_SetFont(&u8g2, u8g2_font_unifont_t_symbols);
    u8g2_DrawGlyph(&u8g2, 5, 20, 0x2603);
  } while( u8g2_NextPage(&u8g2) );

  tga_is_transparent = 1;
  u8g2_FirstPage(&desc);
  do
  {
    u8g2_SetFont(&desc, u8g2_font_helvB18_tf);
    ra(5,20, "x=5, y=20");
  } while( u8g2_NextPage(&desc) );
  tga_is_transparent = 0;

  tga_save_png("u8g2_snowman_glyph.png");

/*=========================================*/

  u8x8_ClearDisplay(u8g2_GetU8x8(&desc));
  
  u8g2_FirstPage(&u8g2);
  do
  {
    u8g2_SetFont(&u8g2, u8g2_font_unifont_t_symbols);
    u8g2_DrawUTF8(&u8g2, 5, 20, "Snowman: ☃");
  } while( u8g2_NextPage(&u8g2) );

  tga_is_transparent = 1;
  u8g2_FirstPage(&desc);
  do
  {
    u8g2_SetFont(&desc, u8g2_font_helvB18_tf);
    ra(5,20, "x=5, y=20");
  } while( u8g2_NextPage(&desc) );
  tga_is_transparent = 0;

  tga_save_png("u8g2_snowman_utf8.png");

/*=========================================*/

  u8x8_ClearDisplay(u8g2_GetU8x8(&desc));
  
  u8g2_FirstPage(&u8g2);
  do
  {
    u8g2_SetFontMode(&u8g2, 1);	/* transparent */
    
    u8g2_SetFontDirection(&u8g2, 0);
    u8g2_SetFont(&u8g2, u8g2_font_inb24_mf);
    u8g2_DrawStr(&u8g2, 0, 30, "U");
    
    u8g2_SetFontDirection(&u8g2, 1);
    u8g2_SetFont(&u8g2, u8g2_font_inb30_mr);
    u8g2_DrawStr(&u8g2, 21, 8,"8");
        
    u8g2_SetFont(&u8g2, u8g2_font_inb24_mf);
    u8g2_SetFontDirection(&u8g2, 0);
    u8g2_DrawStr(&u8g2, 51,30,"g");
    u8g2_DrawStr(&u8g2, 67,30,"\xb2");
    
    u8g2_DrawHLine(&u8g2, 2, 35, 47);
    u8g2_DrawHLine(&u8g2, 3, 36, 47);
    u8g2_DrawVLine(&u8g2, 45, 32, 12);
    u8g2_DrawVLine(&u8g2, 46, 33, 12);
    
    u8g2_SetFont(&u8g2, u8g2_font_4x6_tr);
    u8g2_DrawStr(&u8g2, 1,54,"github.com/olikraus/u8g2");
    
  } while( u8g2_NextPage(&u8g2) );

  u8g2_SetFontDirection(&u8g2, 0);

  tga_is_transparent = 1;
  u8g2_FirstPage(&desc);
  do
  {
    u8g2_SetFont(&desc, u8g2_font_helvB18_tf);
  } while( u8g2_NextPage(&desc) );
  tga_is_transparent = 0;

  tga_save_png("u8g2_logo.png");

/*=========================================*/
  
  u8x8_ClearDisplay(u8g2_GetU8x8(&desc));

  return 0;
}