51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
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#ifndef VIRTUAL_MATRIX_PANEL_FASTLED_LAYER
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#define VIRTUAL_MATRIX_PANEL_FASTLED_LAYER
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#include <ESP32-VirtualMatrixPanel-I2S-DMA.h>
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#include <FastLED.h>
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class VirtualMatrixPanel_FastLED_Pixel_Buffer : public VirtualMatrixPanel
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{
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public:
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using VirtualMatrixPanel::VirtualMatrixPanel; // perform VirtualMatrixPanel class constructor
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bool allocateMemory() // allocate memory
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{
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// https://www.geeksforgeeks.org/how-to-declare-a-2d-array-dynamically-in-c-using-new-operator/
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buffer = new CRGB[virtualResX * virtualResY]; // These are defined in the underliny
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if (!buffer) { return false; }
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Serial.printf("Allocated %d bytes of memory for pixel buffer.\r\n", sizeof(CRGB)*((virtualResX * virtualResY)+1));
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this->clear();
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return true;
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} // end Buffer
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virtual void drawPixel(int16_t x, int16_t y, uint16_t color); // overwrite adafruit implementation
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void drawPixel(int16_t x, int16_t y, int r, int g, int b); // Buffer implementation
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void drawPixel(int16_t x, int16_t y, CRGB color); // Buffer implementation
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CRGB getPixel(int16_t x, int16_t y); // Returns a pixel value from the buffer.
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void dimAll(byte value);
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void dimRect(int16_t x, int16_t y, int16_t w, int16_t h, byte value);
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void clear();
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void show(); // Send buffer to physical hardware / DMA engine.
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// Release Memory
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~VirtualMatrixPanel_FastLED_Pixel_Buffer(void);
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protected:
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uint16_t XY16( uint16_t x, uint16_t y);
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private:
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CRGB* buffer = nullptr;
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};
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#endif
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