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Fixed rotation bug in drawBitmap()

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This commit is contained in:
Phillip Burgess 2012-10-02 13:52:08 -07:00
parent 37a860d308
commit 4c865e0f29
1 changed files with 6 additions and 3 deletions
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9
Adafruit_GFX.cpp
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@ -334,9 +334,12 @@ void Adafruit_GFX::fillTriangle ( int16_t x0, int16_t y0,
void Adafruit_GFX::drawBitmap(int16_t x, int16_t y,
const uint8_t *bitmap, int16_t w, int16_t h,
uint16_t color) {
for (int16_t j=0; j<h; j++) {
for (int16_t i=0; i<w; i++ ) {
if (pgm_read_byte(bitmap + i + (j/8)*w) & _BV(j%8)) {
int16_t i, j, byteWidth = (w + 7) / 8;
for(j=0; j<h; j++) {
for(i=0; i<w; i++ ) {
if(pgm_read_byte(bitmap + j * byteWidth + i / 8) & _BV(i & 7)) {
drawPixel(x+i, y+j, color);
}
}