Remove legacy examples

1 files changed, 0 insertions, 350 deletions

diff --git a/examples/GraphicsLayer/Layer.cpp b/examples/GraphicsLayer/Layer.cpp
deleted file mode 100644
index 4352398..0000000
--- a/examples/GraphicsLayer/Layer.cpp
+++ /dev/null
@@ -1,350 +0,0 @@
-/**
- * Experimental layer class to do play with pixel in an off-screen buffer before painting to the DMA 
- *
- * Requires FastLED
- *
- * Faptastic 2020
- **/
-
-#include "Layer.h"
-
-// For adafruit
-void Layer::drawPixel(int16_t x, int16_t y, uint16_t color) {
-
-	// 565 color conversion
-	uint8_t r = ((((color >> 11)  & 0x1F) * 527) + 23) >> 6;
-	uint8_t g = ((((color >> 5)   & 0x3F) * 259) + 33) >> 6;
-	uint8_t b = (((color & 0x1F)  * 527) + 23) >> 6;
-
-	drawPixel(x, y, CRGB(r,g,b));
-}
-
-void Layer::drawPixel(int16_t x, int16_t y, int r, int g, int b) {
-	drawPixel(x, y, CRGB(r,g,b));
-}
-
-void Layer::drawPixel(int16_t x, int16_t y, CRGB color) {
-
-	if( x >= LAYER_WIDTH 	|| x < 0) return; // 0;
-	if( y >= LAYER_HEIGHT 	|| y < 0) return; // 0;
-	
-	pixels->data[y][x] = color;
-}
-
-/**
- * Dim all the pixels in the display.
- */
-void Layer::dim(byte value)  {   
-
-		// nscale8 max value is 255, or it'll flip back to 0 
-		// (documentation is wrong when it says x/256), it's actually x/255
-		for (int y = 0; y < LAYER_HEIGHT; y++) {
-			for (int x = 0; x < LAYER_WIDTH; x++) {
-				pixels->data[y][x].nscale8(value);
-		}}
-}
-
-void Layer::clear() { 
-
-	memset(pixels, BLACK_BACKGROUND_PIXEL_COLOUR, sizeof(layerPixels) );
-}
-
-/**
- * Send the layer to the display device.
- */
-void Layer::display() { 
-
-	CRGB _pixel = 0 ;
-	for (int y = 0; y < LAYER_HEIGHT; y++) {
-		for (int x = 0; x < LAYER_WIDTH; x++)
-		{
-			//_pixel = pixel[XY(x, y)];
-			_pixel = pixels->data[y][x];
-
-			matrix->drawPixelRGB888( x, y, _pixel.r, _pixel.g, _pixel.b);
-
-			/*
-			if ( !transparency_enabled ){
-				matrix->drawPixelRGB888( x, y, _pixel.r, _pixel.g, _pixel.b);
-			} else {
-				if (_pixel != transparency_colour) {
-					matrix->drawPixelRGB888( x, y, _pixel.r, _pixel.g, _pixel.b);
-				}
-			}
-			*/
-		} // end loop to copy fast led to the dma matrix
-	}
-
-} // display
-
-void Layer::overridePixelColor(int r, int g, int b) {
-	CRGB _pixel = 0 ;
-	for (int y = 0; y < LAYER_HEIGHT; y++) {
-		for (int x = 0; x < LAYER_WIDTH; x++)
-		{
-			//_pixel = pixel[XY(x, y)];
-			_pixel = pixels->data[y][x];
-			
-			if (_pixel != transparency_colour) {
-				matrix->drawPixelRGB888( x, y, _pixel.r, _pixel.g, _pixel.b);
-			}
-
-		} // end loop to copy fast led to the dma matrix
-	}
-}
-
-
-// default value is in definition
-void Layer::drawCentreText(const char *buf, textPosition textPos, const GFXfont *f, CRGB color, int yadjust) 
-{
-			int16_t x1, y1;
-			uint16_t w, h;
-
-			setTextWrap(false);
-			
-			if (f) {          // Font struct pointer passed in?
-					setFont((GFXfont *)f);
-			} else { // NULL passed.  Current font struct defined?
-					setFont(); // use default
-			}
-
-			// getTextBounds isn't correct for variable width fonts
-			getTextBounds(buf, 0, 0, &x1, &y1, &w, &h); //calc width of new string
-
-			//Serial.printf("The width of the text is %d pixels, the height is %d pixels.\n", w,h);
-
-			/*
-
-			 From: https://learn.adafruit.com/adafruit-gfx-graphics-library/using-fonts
-		
-			 For example, whereas the cursor position when printing with the classic font identified 
-			 the top-left corner of the character cell, with new fonts the cursor position indicates the baseline — 
-			 the bottom-most row — of subsequent text. Characters may vary in size and width, and don’t 
-			 necessarily begin at the exact cursor column (as in below, this character starts one pixel 
-			 left of the cursor, but others may be on or to the right of it).
-			 */
-			
-			if (!f) { 
-				if (textPos == TOP) {
-					setCursor((LAYER_WIDTH - w) / 2, 0); // top 
-				} else if (textPos == BOTTOM) {
-					setCursor((LAYER_WIDTH - w) / 2, LAYER_HEIGHT - h);
-				} else { // middle
-					setCursor((LAYER_WIDTH - w) / 2, (LAYER_HEIGHT - h) / 2); // top 
-				}
-			}
-			else // custom font
-			/* As we can't reliable know what is the actual FIRST and last 'lit' pixel, we need to check what was printed to the layer.*/
-			{				
-				int wstart = 0;
-
-/*
-				if (w > 42) wstart = (LAYER_WIDTH - w) / 2;
-				else wstart = (LAYER_WIDTH - w) / 2;
-*/
-        wstart = (LAYER_WIDTH - w) / 2;
-
-				if (textPos == TOP) {
-					setCursor(wstart, h+yadjust); // top 
-				} else if (textPos == BOTTOM) {
-					setCursor(wstart+1, (LAYER_HEIGHT-1)+yadjust);
-				} else { // middle
-					setCursor( wstart, ((LAYER_HEIGHT/2) + (h/2)) + yadjust);
-				}	
-				
-				//Serial.printf("Layer: x1: %d, y1: %d, w: %d, h: %d.\n", x1, y1, w, h);			
-			}
-
-		//	setCursor(0,16);
-			setTextColor(this->color565(color.r, color.g, color.b)); // Need to confirm from FastLed CRGB to adafruit 565
-			print(buf);
-
-} // end drawCentreText
-
-
-  // Move the contents of the screen left (-ve) or right (+ve)
-  void Layer::moveX(int offset) 
-  {
-		if(offset > 0) { // move right
-		//	Sprintln("Moving right");
-
-			for(int x = LAYER_WIDTH - 1; x >= 0; x--){ // 63 to 0
-				for(int y = 0; y < LAYER_HEIGHT; y++){ // 0 to 31
-					if (x - offset >= 0) 
-					{
-						//  Serial.printf("setting y %d x %d to y %d x %d\n", y, x, y, x-offset);
-						pixels->data[y][x] = pixels->data[y][x-offset];
-					}
-					else {
-						pixels->data[y][x] = BLACK_BACKGROUND_PIXEL_COLOUR;            
-					}
-				}    
-			}
-		} else { // move left
-
-		//	Sprintln("Moving Left");
-			for(int x = 0; x <=LAYER_WIDTH - 1; x++){
-				for(int y = 0; y < LAYER_HEIGHT; y++){
-					if ( x > (LAYER_WIDTH-1)+offset )
-					{
-						pixels->data[y][x] = BLACK_BACKGROUND_PIXEL_COLOUR;                    
-						//Serial.println("eh?");
-					}
-					else
-					{
-						pixels->data[y][x] = pixels->data[y][x-offset]; 
-						//	Serial.println("eh?");
-					}
-				}    
-			}         
-		} 
-  } 
-  
-/**
- * Centre the contents of the layer based on the leftmost and rightmost pixels.
- * Useful if you want to make sure text / graphics IS in the centre of the display.
- */
-  void Layer::autoCenterX()
-  {
-	  	int leftmost_x = 0, rightmost_x = 0, adjusted_leftmost_x = 0;
-
-		// Find leftmost
-		for(int x = 0; x < LAYER_WIDTH; x++) { 
-			for(int y = 0; y < LAYER_HEIGHT; y++) {
-				if (pixels->data[y][x] != BLACK_BACKGROUND_PIXEL_COLOUR)
-				{
-					leftmost_x = x;
-					//Serial.printf("Left most x pixel is %d\n", leftmost_x);
-					goto rightmost;
-				}
-			}
-		}
-
-		rightmost:
-		for(int x = LAYER_WIDTH-1; x >= 0; x--) { 
-			for(int y = 0; y < LAYER_HEIGHT; y++) {
-				if (pixels->data[y][x] != BLACK_BACKGROUND_PIXEL_COLOUR)
-				{
-					rightmost_x = x+1;
-					//Serial.printf("Right most x pixel is %d\n", rightmost_x);					
-					goto centreit;
-				}
-			}
-		}
-
-		centreit:
-			adjusted_leftmost_x = ( LAYER_WIDTH - (rightmost_x - leftmost_x))/2;
-			//Serial.printf("Adjusted: %d, Moving x coords by %d pixels.\n", adjusted_leftmost_x, adjusted_leftmost_x-leftmost_x);
-			moveX(adjusted_leftmost_x-leftmost_x);
-  } // end autoCentreX
-  
-  void Layer::moveY(int delta)
-  {
-	// Not implemented
-  }
-
-
-Layer::~Layer(void)
-{
-  free(pixels);
-}
-	
-
-
-
-/* Merge FastLED layers into a super layer and display. Definition */
-namespace LayerCompositor
-{
-	 	/*
-		 * Display the foreground pixels if they're not the background/transparent color.
-		 * If not, then fill with whatever is in the background.
-		 * 
-		 * writeToBg = write the result back to the _bgLayer, and not directly to the output device!
-		 * 			   -> no need to do a subsequent bgLayer.display() otherwise.
-		 */
-        void Stack(MatrixPanel_I2S_DMA &disp, const Layer &_bgLayer, const Layer &_fgLayer, bool writeBackToBg)
-		{
-				for (int y = 0; y < LAYER_HEIGHT; y++) {
-					for (int x = 0; x < LAYER_WIDTH; x++)
-					{
-						//https://www.educative.io/edpresso/how-to-resolve-the-expression-must-have-class-type-error-in-cpp
-						if (_fgLayer.pixels->data[y][x] == _fgLayer.transparency_colour) // foreground is transparent, show the _bgLayer colors
-						{
-							if (writeBackToBg) // write the foreground to the background layer... perhaps so we can do stuff later with the _fgLayer.
-								_bgLayer.pixels->data[y][x]	= _bgLayer.pixels->data[y][x];
-							else
-								disp.drawPixelRGB888(x,y, _bgLayer.pixels->data[y][x].r, _bgLayer.pixels->data[y][x].g, _bgLayer.pixels->data[y][x].b );
-
-						} // if the foreground is NOT transparent, then print whatever is the bg
-						else
-						{
-							if (writeBackToBg) // write the foreground to the background layer... perhaps so we can do stuff later with the _fgLayer.
-								_bgLayer.pixels->data[y][x]	= _fgLayer.pixels->data[y][x];
-							else
-								disp.drawPixelRGB888(x,y, _fgLayer.pixels->data[y][x].r, _fgLayer.pixels->data[y][x].g, _fgLayer.pixels->data[y][x].b );
-						}
-
-					} // end x loop
-				} // end y loop
-		}  // end stack
-
-
-	 	/*
-		 * Where the foreground pixels are not the background/transparent color, populate with 
-		 * whatever is in the background.
-		 */
-        void Siloette(MatrixPanel_I2S_DMA &disp, const Layer &_bgLayer, const Layer &_fgLayer)
-		{
-
-				for (int y = 0; y < LAYER_HEIGHT; y++) {
-					for (int x = 0; x < LAYER_WIDTH; x++)
-					{
-						//https://www.educative.io/edpresso/how-to-resolve-the-expression-must-have-class-type-error-in-cpp
-						if (_fgLayer.pixels->data[y][x] != _fgLayer.transparency_colour)
-						{
-							disp.drawPixelRGB888(x,y, _bgLayer.pixels->data[y][x].r, _bgLayer.pixels->data[y][x].g, _bgLayer.pixels->data[y][x].b );
-						} // if the foreground is transparent, then print whatever is the bg
-						else
-						{
-							disp.drawPixelRGB888(x,y, 0,0,0);
-						}
-
-					} // end x loop
-				} // end y loop
-		}  // end stack		
-
-
-
-
-
-		void Blend(MatrixPanel_I2S_DMA &disp, const Layer &_bgLayer, const Layer &_fgLayer, uint8_t ratio)
-		{
-			CRGB _pixel = 0 ;
-
-			for (int y = 0; y < LAYER_HEIGHT; y++) 
-			{
-				for (int x = 0; x < LAYER_WIDTH; x++)
-				{
-						
-						_pixel = _bgLayer.pixels->data[y][x];
-					
-						// (set ratio to 127 for a constant 50% / 50% blend)
-						//_pixel = blend(_bgLayer.pixels->data[y][x], _fgLayer.pixels->data[y][x], ratio);
-
-						// Blend with background if foreground pixel isn't clear/transparent
-						if (_fgLayer.pixels->data[y][x] != _fgLayer.transparency_colour)
-						{
-							_pixel = blend(_bgLayer.pixels->data[y][x], _fgLayer.pixels->data[y][x], ratio);
-						} // if the foreground is transparent, then print whatever is the bg
-						
-						
-						// https://gist.github.com/StefanPetrick/0c0d54d0f35ea9cca983
-						disp.drawPixelRGB888(x,y, _pixel.r, _pixel.g, _pixel.b );
-
-				} // end x loop
-			} // end y loop
-
-
-
-		} // end blend
-}