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40 lines
1.2 KiB
40 lines
1.2 KiB
#include "u8g2.h" |
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#include <stdio.h> |
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/* |
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* This example uses the Bitmap device to draw to an in-memory buffer |
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* and writes the result to a TGA file. This can for example be used to |
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* make screenshots of an application normally running on an Arduino. |
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*/ |
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u8g2_t u8g2; |
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int main(void) |
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{ |
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u8g2_SetupBitmap(&u8g2, &u8g2_cb_r0, 128, 64); |
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u8x8_InitDisplay(u8g2_GetU8x8(&u8g2)); |
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u8x8_SetPowerSave(u8g2_GetU8x8(&u8g2), 0); |
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u8g2_SetFont(&u8g2, u8g2_font_helvB08_tr); |
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u8g2_ClearBuffer(&u8g2); |
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// Here, you can call other code to actually draw things, such as |
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// existing application code to generate a screenshot |
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u8g2_DrawStr(&u8g2, 10, 30, "Hello, world!"); |
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u8g2_SendBuffer(&u8g2); |
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u8x8_SaveBitmapTGA(u8g2_GetU8x8(&u8g2), "small.tga"); |
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// This changes size, but also resets other stuff like font |
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u8g2_SetupBitmap(&u8g2, &u8g2_cb_r0, 128, 128); |
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u8g2_SetFont(&u8g2, u8g2_font_helvB08_tr); |
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u8g2_ClearBuffer(&u8g2); |
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// Here, you can call other code to actually draw things, such as |
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// existing application code to generate a screenshot |
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u8g2_DrawStr(&u8g2, 10, 30, "Hello, world!"); |
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u8g2_DrawStr(&u8g2, 10, 100, "Hello, larger world!"); |
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u8g2_SendBuffer(&u8g2); |
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u8x8_SaveBitmapTGA(u8g2_GetU8x8(&u8g2), "large.tga"); |
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return 0; |
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} |
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