Johannes Stratmann / Adafruit_GFX

i2c version has an offset due to wrong copy of temp buffer to display buffer, fixed in Adafruit_SSD1306.h

Dependents:   ezSBC_MPU9250 Test_OLED_Display untodoenuno OledI2CDisplay ... more

Fork of Adafruit_GFX by Neal Horman

Files at this revision

API Documentation at this revision

Revision 23:0b35bb153799, committed 2017-07-24

Comitter:
JojoS
Date:
Mon Jul 24 19:44:33 2017 +0000
Parent:
22:818c271c30fa
Commit message:
reversed use Stream logic: default is using Stream for compatibility

Changed in this revision

Adafruit_GFX.h Show annotated file Show diff for this revision Revisions of this file
Adafruit_GFX_Config.h Show annotated file Show diff for this revision Revisions of this file 
diff -r 818c271c30fa -r 0b35bb153799 Adafruit_GFX.h
--- a/Adafruit_GFX.h	Mon Jul 24 21:32:55 2017 +0200
+++ b/Adafruit_GFX.h	Mon Jul 24 19:44:33 2017 +0000
@@ -44,12 +44,15 @@
  * Display drivers should be derived from here.
  * The Display drivers push the display buffer to the
  * hardware based on application control.
- *
+ 
+ * JojoS: added option to not derive from Stream
+ *  this saves about 10k of code size for small targes
+ *  without Stream class, printf must be replaced by writeChar(ch)
  */
-#if defined(USE_IOSTREAM)
+#if defined(USE_NO_IOSTREAM)
+class Adafruit_GFX
+#else
 class Adafruit_GFX : public Stream
-#else
-class Adafruit_GFX
 #endif
 {
  public:

diff -r 818c271c30fa -r 0b35bb153799 Adafruit_GFX_Config.h
--- a/Adafruit_GFX_Config.h	Mon Jul 24 21:32:55 2017 +0200
+++ b/Adafruit_GFX_Config.h	Mon Jul 24 19:44:33 2017 +0000
@@ -10,7 +10,7 @@
 
 // USE_IOSTREAM : GFX is derived from class stream
 // adds printf, but costs about 10 kB
-//#define USE_IOSTREAM
+//#define USE_NO_IOSTREAM
 
 // Uncomment this to enable only runtime font scaling, without all the rest of the Abstracts
 //#define GFX_SIZEABLE_TEXT