OpenFontRender

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Update to add examples and fix compile problems

1

I have forked the develop branch and made changes Existing examples have not been updated but I have added some new ones specific to TFT_eSPI Rendering has been speeded up...

Bodmer

Adding a getTextWidth(char* text_buffer) function

3

To design stuff sometimes is great to know how much is the text width (Using font size) that you will draw. Lovyan has a function like this: ```C uint16_t getTextWidth(char*...

martinberlin

Compile fails in Arduino environment with master branch - develop branch crashes RP2040

9

Compile fails for the ESP32, warnings and errors are reported below. This is with the ESP32 board package 2.0.5 which seems to be very picky with type conversions: ``` D:\XXXX\Arduino\Sketches\libraries\OpenFontRender\src\OpenFontRender.cpp:...

Bodmer

Seems unable to render fonts with too large font size

1

Hello, I came across your project and I ported it to my own device, excitingly it works for the most part, but I found a frustrating problem. When I set...

HalfSweet

PlatformIO環境では動作させるために修正が必要らしい。 本ライブラリ側で修正対応可能かどうか調査する。 It seems that modifications are necessary to make it work in the PlatformIO environment. We will investigate whether the modification can be handled on the library side.

takkaO

Memory issue

5

Hello, I am using a OpenFontRender on ESP32 together with TFT_eSPI and I am using multiple fonts. I noticed that after loadFont() and then unloadFont(), approximately 50 bytes of memory...

copantok

Feature request: loading fonts from SPIFFS/LittleFS

10

Maybe I didn't quite get it yet but from what I understand OpenFontRender can only load fonts from SD card or binary (i.e. embedded in code). Working with ESP32 it...

marcelstoer

Nucleo64 : undefined reference to `_open'

6

c:/users/xxx/appdata/local/arduino15/packages/stmicroelectronics/tools/xpack-arm-none-eabi-gcc/10.3.1-2.3/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld.exe: c:/users/xxx/appdata/local/arduino15/packages/stmicroelectronics/tools/xpack-arm-none-eabi-gcc/10.3.1-2.3/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m+fp/hard\libc_nano.a(lib_a-openr.o): in function `_open_r': (.text._open_r+0x10): undefined reference to `_open' collect2.exe: error: ld returned 1 exit status exit status 1 Compilation error: exit status 1

CFTechno

Recommendations for memory use?

1

Hello! I noticed that my SRAM drops by about 4k after a single myofr.printf() call (drawing a time to the screen). However, if I repeat that call many times, the...

chconnor

Text alignment seems shifted down about 50% of glyph height

12

I'm using `setAlignment()` to align text to the corners of my TFT and I'm getting odd results. No matter what I do, text always seems to be shifted down about...

scottchiefbaker