From f42857c4d79dccb751b6ddba716e673986164f4d Mon Sep 17 00:00:00 2001
From: Fabrice Weinberg <Fabrice@weinberg.me>
Date: Tue, 2 Aug 2016 16:15:33 +0200
Subject: [PATCH] Fix internal black drawing
---
OLEDDisplay.cpp | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/OLEDDisplay.cpp b/OLEDDisplay.cpp
index 0dd4ba6..f8fc226 100644
--- a/OLEDDisplay.cpp
+++ b/OLEDDisplay.cpp
@@ -728,13 +728,13 @@ void inline OLEDDisplay::drawInternal(int16_t xMove, int16_t yMove, int16_t widt
if (yOffset >= 0) {
switch (this->color) {
case WHITE: buffer[dataPos] |= currentByte << yOffset; break;
- case BLACK: buffer[dataPos] &= currentByte << yOffset; break;
+ case BLACK: buffer[dataPos] &= ~(currentByte << yOffset); break;
case INVERSE: buffer[dataPos] ^= currentByte << yOffset; break;
}
if (dataPos < (DISPLAY_BUFFER_SIZE - DISPLAY_WIDTH)) {
switch (this->color) {
case WHITE: buffer[dataPos + DISPLAY_WIDTH] |= currentByte >> (8 - yOffset); break;
- case BLACK: buffer[dataPos + DISPLAY_WIDTH] &= currentByte >> (8 - yOffset); break;
+ case BLACK: buffer[dataPos + DISPLAY_WIDTH] &= ~(currentByte >> (8 - yOffset)); break;
case INVERSE: buffer[dataPos + DISPLAY_WIDTH] ^= currentByte >> (8 - yOffset); break;
}
}
@@ -744,7 +744,7 @@ void inline OLEDDisplay::drawInternal(int16_t xMove, int16_t yMove, int16_t widt
switch (this->color) {
case WHITE: buffer[dataPos] |= currentByte >> yOffset; break;
- case BLACK: buffer[dataPos] &= currentByte >> yOffset; break;
+ case BLACK: buffer[dataPos] &= ~(currentByte >> yOffset); break;
case INVERSE: buffer[dataPos] ^= currentByte >> yOffset; break;
}
--
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