Quantum Painter (#10174)

* Install dependencies before executing unit tests.

* Split out UTF-8 decoder.

* Fixup python formatting rules.

* Add documentation for QGF/QFF and the RLE format used.

* Add CLI commands for converting images and fonts.

* Add stub rules.mk for QP.

* Add stream type.

* Add base driver and comms interfaces.

* Add support for SPI, SPI+D/C comms drivers.

* Include <qp.h> when enabled.

* Add base support for SPI+D/C+RST panels, as well as concrete implementation of ST7789.

* Add support for GC9A01.

* Add support for ILI9341.

* Add support for ILI9163.

* Add support for SSD1351.

* Implement qp_setpixel, including pixdata buffer management.

* Implement qp_line.

* Implement qp_rect.

* Implement qp_circle.

* Implement qp_ellipse.

* Implement palette interpolation.

* Allow for streams to work with either flash or RAM.

* Image loading.

* Font loading.

* QGF palette loading.

* Progressive decoder of pixel data supporting Raw+RLE, 1-,2-,4-,8-bpp monochrome and palette-based images.

* Image drawing.

* Animations.

* Font rendering.

* Check against 256 colours, dump out the loaded palette if debugging enabled.

* Fix build.

* AVR is not the intended audience.

* `qmk format-c`

* Generation fix.

* First batch of docs.

* More docs and examples.

* Review comments.

* Public API documentation.

1 files changed, 1 insertions, 29 deletions

diff --git a/quantum/process_keycode/process_unicode_common.c b/quantum/process_keycode/process_unicode_common.c
index 2606ea1f37..652becbc9a 100644
--- a/quantum/process_keycode/process_unicode_common.c
+++ b/quantum/process_keycode/process_unicode_common.c
@@ -16,6 +16,7 @@
 
 #include "process_unicode_common.h"
 #include "eeprom.h"
+#include "utf8.h"
 
 unicode_config_t unicode_config;
 uint8_t          unicode_saved_mods;
@@ -229,35 +230,6 @@ void register_unicode(uint32_t code_point) {
     unicode_input_finish();
 }
 
-// Borrowed from https://nullprogram.com/blog/2017/10/06/
-static const char *decode_utf8(const char *str, int32_t *code_point) {
-    const char *next;
-
-    if (str[0] < 0x80) { // U+0000-007F
-        *code_point = str[0];
-        next        = str + 1;
-    } else if ((str[0] & 0xE0) == 0xC0) { // U+0080-07FF
-        *code_point = ((int32_t)(str[0] & 0x1F) << 6) | ((int32_t)(str[1] & 0x3F) << 0);
-        next        = str + 2;
-    } else if ((str[0] & 0xF0) == 0xE0) { // U+0800-FFFF
-        *code_point = ((int32_t)(str[0] & 0x0F) << 12) | ((int32_t)(str[1] & 0x3F) << 6) | ((int32_t)(str[2] & 0x3F) << 0);
-        next        = str + 3;
-    } else if ((str[0] & 0xF8) == 0xF0 && (str[0] <= 0xF4)) { // U+10000-10FFFF
-        *code_point = ((int32_t)(str[0] & 0x07) << 18) | ((int32_t)(str[1] & 0x3F) << 12) | ((int32_t)(str[2] & 0x3F) << 6) | ((int32_t)(str[3] & 0x3F) << 0);
-        next        = str + 4;
-    } else {
-        *code_point = -1;
-        next        = str + 1;
-    }
-
-    // part of a UTF-16 surrogate pair - invalid
-    if (*code_point >= 0xD800 && *code_point <= 0xDFFF) {
-        *code_point = -1;
-    }
-
-    return next;
-}
-
 void send_unicode_string(const char *str) {
     if (!str) {
         return;