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buffer examples rework

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This commit is contained in:
Michael Miller
2024-04-15 13:23:25 -07:00
parent edf279247e
commit 255bcac693
13 changed files with 160 additions and 122 deletions
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25
examples/bitmaps/NeoPixelBitmap/NeoPixelBitmap.ino
View File

@@ -16,28 +16,23 @@
const int chipSelect = 8; // make sure to set this to your SD carder reader CS const int chipSelect = 8; // make sure to set this to your SD carder reader CS
//typedef NeoGrbFeature MyPixelColorFeature;
typedef NeoGrbwFeature MyPixelColorFeature;
const uint16_t PixelCount = 144; // the sample images are meant for 144 pixels const uint16_t PixelCount = 144; // the sample images are meant for 144 pixels
const uint16_t PixelPin = 2; const uint16_t PixelPin = 2; // for esp8266 the pin is ignored with most methods
const uint16_t AnimCount = 1; // we only need one const uint16_t AnimCount = 1; // we only need one
NeoPixelBus<MyPixelColorFeature, NeoWs2812xMethod> strip(PixelCount, PixelPin); NeoPixelBus<NeoGrbFeature, NeoWs2812xMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<MyPixelColorFeature, NeoWs2812xMethod> strip(PixelCount);
NeoPixelAnimator animations(AnimCount); // NeoPixel animation management object NeoPixelAnimator animations(AnimCount); // NeoPixel animation management object
// our NeoBitmapFile will use the same color feature as NeoPixelBus and // our NeoBitmapFile will use the RgbColor
// we want it to use the SD File object NeoBitmapFile<RgbColor, File> image;
NeoBitmapFile<MyPixelColorFeature::ColorObject, File> image;
// animation state
uint16_t animState; uint16_t animState;
void LoopAnimUpdate(const AnimationParam& param) void LoopAnimUpdate(const AnimationParam& param)
{ {
// wait for this animation to complete, // wait for this animation to complete,
// we are using it as a timer of sorts // we are using it as a timer
if (param.state == AnimationState_Completed) if (param.state == AnimationState_Completed)
{ {
// done, time to restart this position tracking animation/timer // done, time to restart this position tracking animation/timer
@@ -49,7 +44,8 @@ void LoopAnimUpdate(const AnimationParam& param)
} }
} }
void setup() { void setup()
{
Serial.begin(115200); Serial.begin(115200);
while (!Serial); // wait for serial attach while (!Serial); // wait for serial attach
@@ -89,10 +85,11 @@ void setup() {
animations.StartAnimation(0, 30, LoopAnimUpdate); animations.StartAnimation(0, 30, LoopAnimUpdate);
} }
void loop() { void loop()
{
// this is all that is needed to keep it running // this is all that is needed to keep it running
// and avoiding using delay() is always a good thing for // and avoiding using delay() is always a good thing for
// any timing related routines // any timing related solutions
animations.UpdateAnimations(); animations.UpdateAnimations();
strip.Show(); strip.Show();
} }

30
examples/bitmaps/NeoPixelBufferCylon/CylonGrbw.h
View File

@@ -1,30 +0,0 @@
// To recreate the data below, use the Paint.Net plugin "Arduino Progmem NeoPixel FileType"
// to save as/export the included Cylon.pdn
// Paint.Net - http://www.getpaint.net/download.html#download
// Plugin - http://forums.getpaint.net/index.php?/topic/107921-arduino-neopixel-sketch-exporter/
// This uses Flatten, GRBW, Hexadecimal
//
const uint16_t myImageWidth = 16;
const uint16_t myImageHeight = 20;
const uint8_t PROGMEM myImage[] = { // (16 x 20) GRBW in Hexadecimal
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12
examples/bitmaps/NeoPixelBufferShader/NeoPixelBufferShader.ino
View File

@@ -1,6 +1,6 @@
// NeoPixelBufferShader // NeoPixelBufferShader
// This example will provide a shader class to the NeoPixelBuffer that will dim and brighten // This example will provide a shader class to the NeoPixelBuffer that will dim and brighten
// the pixels that are in the buffer (a device independant bitmap) // the pixels that are in the buffer
// It is just a demonstration of using a custom shader // It is just a demonstration of using a custom shader
#include <NeoPixelBus.h> #include <NeoPixelBus.h>
@@ -11,10 +11,10 @@ const uint8_t PixelPin = 2; // make sure to set this to the correct pin, ignore
// three element GRB pixels, change to your needs // three element GRB pixels, change to your needs
NeoPixelBus<NeoGrbFeature, NeoWs2812xMethod> strip(PixelCount, PixelPin); NeoPixelBus<NeoGrbFeature, NeoWs2812xMethod> strip(PixelCount, PixelPin);
// the buffer object, // the buffer object, a NeoDib
// defined to use memory with the same feature as the strip // defined to use memory with the same color object as the strip
// initialized with the same number of pixels as our strip // initialized with the same number of pixels as our strip
NeoBuffer<NeoBufferMethod<RgbColor>> image(8, 8, NULL); NeoDib<RgbColor> image(8, 8, NULL);
const RgbColor BrightRed(255, 0, 0); const RgbColor BrightRed(255, 0, 0);
const RgbColor BrightGreen(0, 255, 0); const RgbColor BrightGreen(0, 255, 0);
@@ -45,11 +45,11 @@ public:
// required for a shader object, it will be called for // required for a shader object, it will be called for
// every pixel // every pixel
RgbColor Apply(const RgbColor& color) RgbColor Apply(const RgbColor& colorSrc, [[maybe_unused]] const RgbColor& colorDest)
{ {
// to apply our brightness shader, // to apply our brightness shader,
// use the source color, modify, and return it // use the source color, modify, and return it
return color.Dim(_brightness); return colorSrc.Dim(_brightness);
} }
// provide an accessor to set brightness // provide an accessor to set brightness

0
examples/bitmaps/NeoPixelBufferCylon/Cylon.pdn → examples/bitmaps/NeoPixelSpriteSheet/Cylon.pdn
View File

46
examples/bitmaps/NeoPixelBufferCylon/CylonGrb.h → examples/bitmaps/NeoPixelSpriteSheet/CylonRgb.h
View File

@@ -2,29 +2,31 @@
// to save as/export the included Cylon.pdn // to save as/export the included Cylon.pdn
// Paint.Net - http://www.getpaint.net/download.html#download // Paint.Net - http://www.getpaint.net/download.html#download
// Plugin - http://forums.getpaint.net/index.php?/topic/107921-arduino-neopixel-sketch-exporter/ // Plugin - http://forums.getpaint.net/index.php?/topic/107921-arduino-neopixel-sketch-exporter/
// This uses Flatten, GRB, Hexadecimal // This uses Flatten, RGB, Hexadecimal
// //
const uint16_t myImageWidth = 16; const uint16_t myImageWidth = 16;
const uint16_t myImageHeight = 20; const uint16_t myImageHeight = 20;
const uint8_t PROGMEM myImage[] = { // (16 x 20) GRB in Hexadecimal const uint8_t PROGMEM myImage[] = { // (16 x 20) RGB in Hexadecimal
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};

36
examples/bitmaps/NeoPixelBufferCylon/NeoPixelBufferCylon.ino → examples/bitmaps/NeoPixelSpriteSheet/NeoPixelSpriteSheet.ino
View File

@@ -1,45 +1,37 @@
// NeoPixelBufferCylon // NeoPixelSpriteSheet
// This example will move a Cylon Red Eye back and forth across the // This example will use a NeoVerticalSpriteSheet to animate a
// moving Cylon Red Eye back and forth across the
// the full collection of pixels on the strip. // the full collection of pixels on the strip.
// //
// This will demonstrate the use of the NeoVerticalSpriteSheet
//
#include <NeoPixelBus.h> #include <NeoPixelBus.h>
#include <NeoPixelAnimator.h> #include <NeoPixelAnimator.h>
// The actual image is contained in the data structure in one of the Cylon*.h files // The actual image is contained in the data structure in the CylonRgb.h file
// You will need to use the one that has the same color feature as your NeoPixelBus #include "CylonRgb.h"
// There are two provided, but you can create your own easily enough using
// free versions of Paint.Net and the plugin
#include "CylonGrb.h"
typedef NeoGrbFeature MyPixelColorFeature;
// #include "CylonGrbw.h" const uint16_t PixelCount = myImageWidth; // the sample images are meant for 16 pixels, so we use the same for pixelcount
// typedef NeoGrbwFeature MyPixelColorFeature; const uint16_t PixelPin = 2; // for esp8266 the pin is ignored in most methods
const uint16_t PixelCount = 16; // the sample images are meant for 16 pixels
const uint16_t PixelPin = 2;
const uint16_t AnimCount = 1; // we only need one const uint16_t AnimCount = 1; // we only need one
NeoPixelBus<MyPixelColorFeature, NeoWs2812xMethod> strip(PixelCount, PixelPin); NeoPixelBus<NeoGrbFeature, NeoWs2812xMethod> strip(PixelCount, PixelPin);
// for esp8266 omit the pin
//NeoPixelBus<MyPixelColorFeature, NeoWs2812xMethod> strip(PixelCount);
NeoPixelAnimator animations(AnimCount); // NeoPixel animation management object NeoPixelAnimator animations(AnimCount); // NeoPixel animation management object
// sprite sheet stored in progmem using the same pixel feature as the NeoPixelBus // sprite sheet stored in progmem using the same pixel feature as the NeoPixelBus
NeoVerticalSpriteSheet<NeoBufferProgmemMethod<MyPixelColorFeature::ColorObject>> spriteSheet( NeoVerticalSpriteSheet_P<RgbColor> spriteSheet(
myImageWidth, // image width and sprite width since its vertical sprite sheet myImageWidth, // image width and sprite width since its vertical sprite sheet
myImageHeight, // image height myImageHeight, // image height
1, // sprite is only one pixel high 1, // sprite is only one pixel high in this example
myImage); myImage);
// animation state
uint16_t indexSprite; uint16_t indexSprite;
void LoopAnimUpdate(const AnimationParam& param) void LoopAnimUpdate(const AnimationParam& param)
{ {
// wait for this animation to complete, // wait for this animation to complete,
// we are using it as a timer of sorts // we are using it as a timer
if (param.state == AnimationState_Completed) if (param.state == AnimationState_Completed)
{ {
// done, time to restart this position tracking animation/timer // done, time to restart this position tracking animation/timer
@@ -67,7 +59,7 @@ void loop()
{ {
// this is all that is needed to keep it running // this is all that is needed to keep it running
// and avoiding using delay() is always a good thing for // and avoiding using delay() is always a good thing for
// any timing related routines // any timing related solutions
animations.UpdateAnimations(); animations.UpdateAnimations();
strip.Show(); strip.Show();
} }

13
examples/sevensegment/NeoSegmentFade/NeoSegmentFade.ino
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@@ -63,15 +63,11 @@ public:
{ {
} }
SevenSegDigit Apply(uint16_t indexDigit, SevenSegDigit digit) SevenSegDigit Apply(const SevenSegDigit& digitSrcA, const SevenSegDigit& digitSrcB)
{ {
// since we call EndingDigits.Render below, the digit argument is
// from the EndingDigits so no need to call GetPixelColor to get it
// create a digit that is a blend between the last seconds
// value and the next seconds value using the BlendAmount
SevenSegDigit blendDigit = SevenSegDigit::LinearBlend( SevenSegDigit blendDigit = SevenSegDigit::LinearBlend(
StartingDigits.GetPixelColor(indexDigit), digitSrcA,
digit, digitSrcB,
BlendAmount); BlendAmount);
return blendDigit; return blendDigit;
@@ -88,7 +84,8 @@ void FadeAnimation(const AnimationParam& param)
// set the shader property BlendAmount to the animation progress // set the shader property BlendAmount to the animation progress
blendShader.BlendAmount = param.progress; blendShader.BlendAmount = param.progress;
// apply it to the strip at the SecondsDigit location // apply it to the strip at the SecondsDigit location
EndingDigits.Render<SevenSegmentFeature, DigitBlendShader>(strip, StartingDigits.Render<SevenSegDigit, DigitBlendShader>(strip,
EndingDigits, // using a second source
blendShader, blendShader,
SecondsDigit); SecondsDigit);
} }

25
src/internal/buffers/NeoBitmapFile.h
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@@ -214,7 +214,7 @@ public:
{ {
if (readPixel(&color)) if (readPixel(&color))
{ {
color = shader.Apply(color); color = shader.Apply(color, destBuffer.Pixels[indexPixel]);
xSrc++; xSrc++;
} }
} }
@@ -230,9 +230,9 @@ public:
int16_t ySrc, int16_t ySrc,
int16_t wSrc) int16_t wSrc)
{ {
NeoShaderNop<T_COLOR_OBJECT, T_COLOR_OBJECT> shaderNop; NeoShaderNop<T_COLOR_OBJECT> shaderNop;
Render<NeoShaderNop<T_COLOR_OBJECT, T_COLOR_OBJECT>>(destBuffer, shaderNop, indexPixel, xSrc, ySrc, wSrc); Render<NeoShaderNop<T_COLOR_OBJECT>>(destBuffer, shaderNop, indexPixel, xSrc, ySrc, wSrc);
}; };
template <typename T_SHADER> void Render(NeoBufferContext<T_COLOR_OBJECT> destBuffer, template <typename T_SHADER> void Render(NeoBufferContext<T_COLOR_OBJECT> destBuffer,
@@ -261,17 +261,16 @@ public:
if (static_cast<uint16_t>(xFile) < _width) if (static_cast<uint16_t>(xFile) < _width)
{ {
if (readPixel(&color)) if (indexDest < destPixelCount)
{ {
color = shader.Apply(indexDest, color); if (readPixel(&color))
xFile++; {
color = shader.Apply(color, destBuffer.Pixels[indexDest]);
xFile++;
}
destBuffer.Pixels[indexDest] = color;
} }
} }
if (indexDest < destPixelCount)
{
destBuffer.Pixels[indexDest] = color;
}
} }
} }
} }
@@ -286,9 +285,9 @@ public:
int16_t hSrc, int16_t hSrc,
LayoutMapCallback layoutMap) LayoutMapCallback layoutMap)
{ {
NeoShaderNop<T_COLOR_OBJECT, T_COLOR_OBJECT> shaderNop; NeoShaderNop<T_COLOR_OBJECT> shaderNop;
Render<NeoShaderNop<T_COLOR_OBJECT, T_COLOR_OBJECT>>(destBuffer, Render<NeoShaderNop<T_COLOR_OBJECT>>(destBuffer,
shaderNop, shaderNop,
xDest, xDest,
yDest, yDest,

25
src/internal/buffers/NeoBuffer.h
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@@ -157,7 +157,7 @@ public:
} }
template <typename T_SHADER> template <typename T_SHADER>
void Render(NeoBufferContext<typename T_BUFFER_METHOD::ColorObject> destBuffer, T_SHADER& shader) void Render(NeoBufferContext<typename T_BUFFER_METHOD::ColorObject> destBuffer, T_SHADER& shader, uint16_t startIndex = 0)
{ {
uint16_t countPixels = destBuffer.PixelCount; uint16_t countPixels = destBuffer.PixelCount;
@@ -169,7 +169,27 @@ public:
for (uint16_t indexPixel = 0; indexPixel < countPixels; indexPixel++) for (uint16_t indexPixel = 0; indexPixel < countPixels; indexPixel++)
{ {
typename T_BUFFER_METHOD::ColorObject color = _method.GetPixelColor(indexPixel); typename T_BUFFER_METHOD::ColorObject color = _method.GetPixelColor(indexPixel);
destBuffer.Pixels[indexPixel] = shader.Apply(color); destBuffer.Pixels[indexPixel + startIndex] = shader.Apply(color, destBuffer.Pixels[indexPixel + startIndex]);
}
}
template <typename T_SHADER>
void Render(NeoBufferContext<typename T_BUFFER_METHOD::ColorObject> destBuffer,
NeoBufferContext<typename T_BUFFER_METHOD::ColorObject> srcBufferB,
T_SHADER& shader,
uint16_t startIndex = 0)
{
uint16_t countPixels = destBuffer.PixelCount;
if (countPixels > _method.PixelCount())
{
countPixels = _method.PixelCount();
}
for (uint16_t indexPixel = 0; indexPixel < countPixels; indexPixel++)
{
typename T_BUFFER_METHOD::ColorObject color = _method.GetPixelColor(indexPixel);
destBuffer.Pixels[indexPixel + startIndex] = shader.Apply(color, srcBufferB.Pixels[indexPixel]);
} }
} }
@@ -192,3 +212,4 @@ public:
private: private:
T_BUFFER_METHOD _method; T_BUFFER_METHOD _method;
}; };

11
src/internal/buffers/NeoBufferMethods.h
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@@ -153,5 +153,16 @@ private:
T_COLOR_OBJECT* _pixels; T_COLOR_OBJECT* _pixels;
}; };
template <typename T_COLOR_OBJECT>
class NeoDib : public NeoBuffer<NeoBufferMethod<T_COLOR_OBJECT>>
{
public:
NeoDib(uint16_t width,
uint16_t height = 1,
PGM_VOID_P pixels = nullptr) :
NeoBuffer<NeoBufferMethod<T_COLOR_OBJECT>>(width, height, pixels)
{
}
};

13
src/internal/buffers/NeoBufferProgmemMethod.h
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@@ -112,3 +112,16 @@ private:
const uint16_t _height; const uint16_t _height;
PGM_VOID_P _pixels; PGM_VOID_P _pixels;
}; };
template <typename T_COLOR_OBJECT>
class NeoDib_P : public NeoBuffer<NeoBufferProgmemMethod<T_COLOR_OBJECT>>
{
public:
NeoDib_P(uint16_t width,
uint16_t height,
PGM_VOID_P pixels) :
NeoBuffer<NeoBufferProgmemMethod<T_COLOR_OBJECT>>(width, height, pixels)
{
}
};

14
src/internal/buffers/NeoShaderNop.h
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@@ -25,13 +25,23 @@ License along with NeoPixel. If not, see
-------------------------------------------------------------------------*/ -------------------------------------------------------------------------*/
#pragma once #pragma once
template <typename T_EXPOSED_COLOR_OBJECT, typename T_FEATURE_COLOR_OBJECT> template <typename T_SRC_COLOR_OBJECT, typename T_DEST_COLOR_OBJECT = T_SRC_COLOR_OBJECT>
class NeoShaderNop class NeoShaderNop
{ {
public: public:
static T_FEATURE_COLOR_OBJECT Apply(const T_EXPOSED_COLOR_OBJECT& color) // This method signature is used by NeoPixelBus/NeoPixelBusLg where the
// destination color is never considered as its just not available
static T_DEST_COLOR_OBJECT Apply(const T_SRC_COLOR_OBJECT& color)
{ {
return color; return color;
}; };
// This method segnature is used by Render methods where the
// colorSrcB color is either the previous destination color or a
// secondary source color
static T_DEST_COLOR_OBJECT Apply(const T_SRC_COLOR_OBJECT& colorSrc, [[maybe_unused]] const T_DEST_COLOR_OBJECT& colorAlternate)
{
return colorSrc;
};
}; };

30
src/internal/buffers/NeoVerticalSpriteSheet.h
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@@ -29,10 +29,10 @@ License along with NeoPixel. If not, see
// NeoBufferMethod // NeoBufferMethod
// NeoBufferProgmemMethod // NeoBufferProgmemMethod
// //
template<typename T_BUFFER_METHOD> class NeoVerticalSpriteSheet template<typename T_BUFFER_METHOD> class NeoVerticalSpriteSheetBuffer
{ {
public: public:
NeoVerticalSpriteSheet(uint16_t width, NeoVerticalSpriteSheetBuffer(uint16_t width,
uint16_t height, uint16_t height,
uint16_t spriteHeight, uint16_t spriteHeight,
PGM_VOID_P pixels) : PGM_VOID_P pixels) :
@@ -178,3 +178,29 @@ private:
return result; return result;
} }
}; };
template <typename T_COLOR_OBJECT>
class NeoVerticalSpriteSheet : public NeoVerticalSpriteSheetBuffer<NeoBufferMethod<T_COLOR_OBJECT>>
{
public:
NeoVerticalSpriteSheet(uint16_t width,
uint16_t height,
uint16_t spriteHeight,
PGM_VOID_P pixels) :
NeoVerticalSpriteSheetBuffer<NeoBufferMethod<T_COLOR_OBJECT>>(width, height, spriteHeight, pixels)
{
}
};
template <typename T_COLOR_OBJECT>
class NeoVerticalSpriteSheet_P : public NeoVerticalSpriteSheetBuffer<NeoBufferProgmemMethod<T_COLOR_OBJECT>>
{
public:
NeoVerticalSpriteSheet_P(uint16_t width,
uint16_t height,
uint16_t spriteHeight,
PGM_VOID_P pixels) :
NeoVerticalSpriteSheetBuffer<NeoBufferProgmemMethod<T_COLOR_OBJECT>>(width, height, spriteHeight, pixels)
{
}
};