Need to use pgm_read_word to read 2 byte colors.

marcmerlin · marcmerlin · commit b11992a9fd12 · 2015-01-12T01:31:26.000-08:00
diff --git a/Adafruit_GFX.cpp b/Adafruit_GFX.cpp
@@ -411,7 +411,7 @@ void Adafruit_GFX::drawRGBBitmap(int16_t x, int16_t y,
 
   for(j=0; j<h; j++) {
     for(i=0; i<w; i++ ) {
-	drawPixel(x+i, y+j, pgm_read_byte(bitmap + j * w + i));
+	drawPixel(x+i, y+j, pgm_read_word(bitmap + j * w + i));
     }
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -411,7 +411,7 @@ void Adafruit_GFX::drawRGBBitmap(int16_t x, int16_t y,`
`411`	`411`
`412`	`412`	`for(j=0; j<h; j++) {`
`413`	`413`	`for(i=0; i<w; i++ ) {`
`414`		`- drawPixel(x+i, y+j, pgm_read_byte(bitmap + j * w + i));`
	`414`	`+ drawPixel(x+i, y+j, pgm_read_word(bitmap + j * w + i));`
`415`	`415`	`}`
`416`	`416`	`}`
`417`	`417`	`}`