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Added for Function to use the library with the Neomatrix Library (especially for SD Card Images) #38

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Added for Function to use the library with the Neomatrix Library (especially for SD Card Images) #38

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2a1cf62
added the draw function for a neomatrix object
bastieb May 31, 2019
4570047
Update README.md
Tetrapix May 31, 2019
745d1ff
added an example for displaying to the neomatrix
bastieb May 31, 2019
0ea6a83
update for up to 20 images
Tetrapix Sep 19, 2019
f0a0a07
Add files via upload
Tetrapix Jan 27, 2020
3a7e43e
Update README.md
Tetrapix Jan 27, 2020
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21 changes: 21 additions & 0 deletions Adafruit_ImageReader.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,27 @@ void Adafruit_Image::draw(Adafruit_SPITFT &tft, int16_t x, int16_t y) {
}
}

/*!
@brief Draw image to an Adafruit_Neomatrix display.
@param matrix
Screen to draw to (any Adafruit_NeoMatrix-derived class).
@param x
Horizontal offset in pixels; left edge = 0, positive = right.
Value is signed, image will be clipped if all or part is off
the screen edges. Screen rotation setting is observed.
@param y
Vertical offset in pixels; top edge = 0, positive = down.
@return None (void).
*/
void Adafruit_Image::draw(Adafruit_NeoMatrix &matrix, int16_t x, int16_t y) {
if(format == IMAGE_1 ) {
} else if(format == IMAGE_8 ) {
} else if(format == IMAGE_16) {
matrix.drawRGBBitmap(x, y, canvas.canvas16->getBuffer(),
canvas.canvas16->width(), canvas.canvas16->height());
}
}

// ADAFRUIT_IMAGEREADER CLASS **********************************************
// Loads images from SD card to screen or RAM.

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3 changes: 3 additions & 0 deletions Adafruit_ImageReader.h
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Expand Up @@ -15,6 +15,7 @@

#include <SD.h>
#include "Adafruit_SPITFT.h"
#include "Adafruit_NeoMatrix.h"

/** Status codes returned by drawBMP() and loadBMP() */
enum ImageReturnCode {
Expand Down Expand Up @@ -43,6 +44,8 @@ class Adafruit_Image {
int16_t width(void); // Return image width in pixels
int16_t height(void); // Return image height in pixels
void draw(Adafruit_SPITFT &tft, int16_t x, int16_t y);
void draw(Adafruit_NeoMatrix &matrix, int16_t x, int16_t y);

protected:
// MOST OF THESE ARE NOT SUPPORTED YET -- WIP
union { // Single pointer, only one variant is used:
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