mirror of
https://github.com/adafruit/Adafruit-GFX-Library.git
synced 2026-09-15 11:13:00 +00:00
Michael Kamprath
c53e9d24aa
Alsp added and example for GFXcanvas that demonstrates the impact of rotation on pixel layout and also demonstrates getting a pixel based on raw physical coordinates.
33 lines
731 B
C++
33 lines
731 B
C++
#include "GFXcanvasSerialDemo.h"
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#include <Arduino.h>
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GFXcanvasSerialDemo::GFXcanvasSerialDemo(uint16_t w, uint16_t h)
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: GFXcanvas8(w, h) {}
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void GFXcanvasSerialDemo::print(bool rotated) {
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char pixel_buffer[8];
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uint16_t width, height;
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if (rotated) {
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width = this->width();
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height = this->height();
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} else {
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width = this->WIDTH;
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height = this->HEIGHT;
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}
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for (uint16_t y = 0; y < height; y++) {
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for (uint16_t x = 0; x < width; x++) {
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uint8_t pixel;
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if (rotated) {
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pixel = this->getPixel(x, y);
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} else {
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pixel = this->getRawPixel(x, y);
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}
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sprintf(pixel_buffer, " %02x", pixel);
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Serial.print(pixel_buffer);
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}
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Serial.print("\n");
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}
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}
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