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valeh
2020-12-22 14:30:09 +02:00
commit 26b0ba5954
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12
basic-setup/components/u8g2/sys/sdl/text_strwidth/Makefile Normal file
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@@ -0,0 +1,12 @@
CFLAGS = -g -Wall -I../../../csrc/. `sdl2-config --cflags`
SRC = $(shell ls ../../../csrc/*.c) $(shell ls ../common/*.c ) main.c
OBJ = $(SRC:.c=.o)
helloworld: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) `sdl2-config --libs` -o u8g2_sdl
clean:
-rm $(OBJ) u8g2_sdl

80
basic-setup/components/u8g2/sys/sdl/text_strwidth/main.c Normal file
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@@ -0,0 +1,80 @@
#include "u8g2.h"
#include <stdio.h>
u8g2_t u8g2;
void draw(int x, int y)
{
char *list[] = {"|", ">", "-|", "lazydog|", "lazydog!", "lazy|dog"};
u8g2_uint_t fh, w;
u8g2_DrawLine(&u8g2, 120, 0, 120, 63);
u8g2_SetFont(&u8g2, u8g2_font_6x10_tr);
//u8g2_SetFont(&u8g2, u8g2_font_helvB08_tf);
u8g2_SetFontPosTop(&u8g2);
fh = u8g2_GetFontAscent(&u8g2) - u8g2_GetFontDescent(&u8g2);
int i;
for (i = 0; i < sizeof(list)/sizeof(char*); i++) {
w = u8g2_GetStrWidth(&u8g2, list[i]);
u8g2_DrawStr(&u8g2, 120 - w, fh * i, list[i]);
//u8g2.setCursor(0,fh * i);
//u8g2.print(w);
}
}
int main(void)
{
int x, y;
int k;
u8g2_SetupBuffer_SDL_128x64_4(&u8g2, &u8g2_cb_r0);
u8x8_InitDisplay(u8g2_GetU8x8(&u8g2));
u8x8_SetPowerSave(u8g2_GetU8x8(&u8g2), 0);
//u8g2_SetFont(&u8g2, u8g2_font_helvB18_tr);
u8g2_SetFont(&u8g2, u8g2_font_helvB18_tf);
x = 50;
y = 30;
for(;;)
{
u8g2_FirstPage(&u8g2);
do
{
draw(x,y);
/*
u8g2_SetFontDirection(&u8g2, 0);
u8g2_DrawUTF8(&u8g2, x, y, "WAV");
u8g2_SetFontDirection(&u8g2, 1);
u8g2_DrawUTF8(&u8g2, x, y, "WAV");
u8g2_SetFontDirection(&u8g2, 2);
u8g2_DrawUTF8(&u8g2, x, y, "WAV");
u8g2_SetFontDirection(&u8g2, 3);
u8g2_DrawUTF8(&u8g2, x, y, "WAV");
*/
} while( u8g2_NextPage(&u8g2) );
do
{
k = u8g_sdl_get_key();
} while( k < 0 );
if ( k == 273 ) y -= 7;
if ( k == 274 ) y += 7;
if ( k == 276 ) x -= 7;
if ( k == 275 ) x += 7;
if ( k == 'e' ) y -= 1;
if ( k == 'x' ) y += 1;
if ( k == 's' ) x -= 1;
if ( k == 'd' ) x += 1;
if ( k == 'q' ) break;
}
return 0;
}