Arduino/DIY-Arduino-variometer
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Update librairies + optimizations

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loop time and memory optimization
This commit is contained in:
sinseman
2015-02-11 18:26:16 +01:00
parent 982dcb7ff9
commit 5737aff17a
20 changed files with 1400 additions and 418 deletions
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47
libraries/Adafruit_GFX/Adafruit_GFX.cpp
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@@ -358,7 +358,46 @@ void Adafruit_GFX::drawBitmap(int16_t x, int16_t y,
for(j=0; j<h; j++) {
for(i=0; i<w; i++ ) {
if(pgm_read_byte(bitmap + j * byteWidth + i / 8) & (128 >> (i & 7))) {
drawPixel(x+i, y+j, color);
drawPixel(x+i, y+j, color);
}
}
}
}
// Draw a 1-bit color bitmap at the specified x, y position from the
// provided bitmap buffer (must be PROGMEM memory) using color as the
// foreground color and bg as the background color.
void Adafruit_GFX::drawBitmap(int16_t x, int16_t y,
const uint8_t *bitmap, int16_t w, int16_t h,
uint16_t color, uint16_t bg) {
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) & (128 >> (i & 7))) {
drawPixel(x+i, y+j, color);
}
else {
drawPixel(x+i, y+j, bg);
}
}
}
}
//Draw XBitMap Files (*.xbm), exported from GIMP,
//Usage: Export from GIMP to *.xbm, rename *.xbm to *.c and open in editor.
//C Array can be directly used with this function
void Adafruit_GFX::drawXBitmap(int16_t x, int16_t y,
const uint8_t *bitmap, int16_t w, int16_t h,
uint16_t color) {
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) & (1 << (i % 8))) {
drawPixel(x+i, y+j, color);
}
}
}
@@ -446,7 +485,7 @@ void Adafruit_GFX::setTextWrap(boolean w) {
wrap = w;
}
uint8_t Adafruit_GFX::getRotation(void) {
uint8_t Adafruit_GFX::getRotation(void) const {
return rotation;
}
@@ -467,11 +506,11 @@ void Adafruit_GFX::setRotation(uint8_t x) {
}
// Return the size of the display (per current rotation)
int16_t Adafruit_GFX::width(void) {
int16_t Adafruit_GFX::width(void) const {
return _width;
}
int16_t Adafruit_GFX::height(void) {
int16_t Adafruit_GFX::height(void) const {
return _height;
}