M5Canvas Class

#include <M5GFX.h>
#include <M5Unified.h>

static int32_t Disw;
static int32_t Dish;

void setup() {
    M5.begin();
    Disw = M5.Lcd.width();
    Dish = M5.Lcd.height();

    M5.Lcd.fillScreen(TFT_WHITE);

    M5Canvas canvas(&M5.Lcd);
    canvas.createSprite(100, 100);//set sprite size
    canvas.fillSprite(TFT_PINK);//fill sprite with color XXX
    delay(1000);
    canvas.fillSprite(TFT_BLACK);//fill sprite with color XXX
    canvas.println("M5Canvas");
    canvas.pushSprite(&M5.Lcd, Disw / 2 - 50, Dish / 2 - 50, TFT_PINK);//"&M5.Lcd" is not necessary here
    canvas.deleteSprite();
    //In this example, PINK will not be displayed
}

void loop() {
}   

#include <M5GFX.h>
#include <M5Unified.h>

static int32_t Disw;
static int32_t Dish;

void setup() {
    M5.begin();
    Disw = M5.Lcd.width();
    Dish = M5.Lcd.height();

    M5.Lcd.fillScreen(TFT_WHITE);

    M5Canvas canvas(&M5.Lcd);
    M5Canvas can1(&M5.Lcd);
    M5Canvas can2(&M5.Lcd);

    canvas.createSprite(100, 100);//set sprite size
    canvas.fillSprite(TFT_PINK);//fill sprite with color XXX
    canvas.println("M5Canvas");
    
    can1.createSprite(30, 30);
    can1.fillSprite(TFT_BLUE);
    can1.println("Can1");
    can1.fillCircle(15, 15, 5, TFT_YELLOW);

    can2.createSprite(30, 30);
    can2.fillSprite(TFT_GREEN);
    can2.println("Can2");
    can2.fillTriangle(15, 10, 0, 30, 30, 30, TFT_BLUE);

    canvas.pushSprite(Disw / 2 - 50, Dish / 2 - 50);
    can1.pushSprite(Disw / 2 - 30, Dish / 2 - 30);
    can2.pushSprite(Disw / 2, Dish / 2);

    canvas.deleteSprite();
    can1.deleteSprite();
    can2.deleteSprite();
}

void loop() {
}     

#include <Arduino.h>
#include <SD.h>//This header file must before M5Unified.h
#include <SPI.h>
#include <M5GFX.h>
#include <M5Unified.h>

#define SD_SPI_CS_PIN   4
#define SD_SPI_SCK_PIN  18
#define SD_SPI_MOSI_PIN 23
#define SD_SPI_MISO_PIN 19

static int32_t Disw;
static int32_t Dish;

void setup() {
    M5.begin();
    Disw = M5.Lcd.width();
    Dish = M5.Lcd.height();

    M5.Lcd.fillScreen(TFT_BLACK);

    M5.Display.setTextFont(&fonts::Orbitron_Light_24);
    M5.Display.setTextSize(1);
    // SD Card Initialization
    SPI.begin(SD_SPI_SCK_PIN, SD_SPI_MISO_PIN, SD_SPI_MOSI_PIN, SD_SPI_CS_PIN);
    if (!SD.begin(SD_SPI_CS_PIN, SPI, 25000000)) {
        // Print a message if SD card initialization failed or if the SD card does not exist.
        M5.Display.print("\n SD card not detected\n");
        while (1); ;
    } else {
        M5.Display.print("\n SD card detected\n");
    }
    delay(1000);

    M5.Display.print("\n SD card read test...\n");
    if (SD.open("/LGFX_Canavs_Test01.bmp", FILE_READ, false)) {
        M5.Display.print(" BMP file 01 detected\n");
    } else {
        M5.Display.print(" BMP file 01 not detected\n");
    }
    if (SD.open("/LGFX_Canavs_Test02.bmp", FILE_READ, false)) {
        M5.Display.print(" BMP file 01 detected\n");
    } else {
        M5.Display.print(" BMP file 01 not detected\n");
    }
    delay(2000);
}

void loop() {
    M5Canvas canvas(&M5.Lcd);
    if (canvas.createFromBmp(SD, "/LGFX_Canavs_Test01.bmp")) {
        canvas.pushSprite(0, 0);
    } else {
        M5.Display.print("\ncreateFromBmp failed\n");
    }
    delay(1000);
    if (canvas.createFromBmpFile(SD, "/LGFX_Canavs_Test02.bmp")) {
        canvas.pushSprite(0, 0);
    } else {
        M5.Display.print("\ncreateFromBmpFile failed\n");
    }
    delay(1000);
    canvas.deleteSprite();
}

#include <M5Unified.h>
#include <M5GFX.h>

#define ROYAL_BLUE 0X435C
#define LAVENDER_PURPLE 0xE73F
#define SADDLE_BROWN 0x8A22
#define INDIA_RED 0xCAEB
#define FOREST_GREEN 0x2444
#define SALMON_PINK 0xFC0E

static int32_t Disw;
static int32_t Dish;
static uint16_t pale[] = {WHITE, ROYAL_BLUE, LAVENDER_PURPLE, SADDLE_BROWN, BLUE, INDIA_RED,FOREST_GREEN, SALMON_PINK};
// static uint16_t pale[256];

M5Canvas canvas(&M5.Lcd);

void setup() {
    M5.begin();

    Disw = M5.Lcd.width();
    Dish = M5.Lcd.height();

    canvas.createSprite(Disw, Dish);

    canvas.setColorDepth(lgfx::v1::palette_8bit);//This must be cited before createPalette
    canvas.setTextDatum(top_center);
    canvas.drawString("M5Canvas Palette", Disw / 2, 0, &fonts::FreeMonoBold24pt7b);
    canvas.drawString("Palette Color 0", Disw / 2, 100, &fonts::FreeMonoBold24pt7b);
    canvas.drawString("is background color", Disw / 2, 150, &fonts::FreeMonoBold24pt7b);

    canvas.createPalette(pale, 256);

    // If you choose "static uint16_t pale[256];", following code must be used

    // canvas.setPaletteColor(0, WHITE);
    // canvas.setPaletteColor(1, ROYAL_BLUE);
    // canvas.setPaletteColor(2, LAVENDER_PURPLE);
    // canvas.setPaletteColor(3, SADDLE_BROWN);
    // canvas.setPaletteColor(4, INDIA_RED);    
    // canvas.setPaletteColor(5, FOREST_GREEN);
    // canvas.setPaletteColor(6, SALMON_PINK);

    canvas.setTextColor(canvas.getPaletteIndex(ROYAL_BLUE));
    canvas.drawString("Palette Color 1", Disw / 2, 300, &fonts::FreeMonoBold24pt7b);
    canvas.setTextColor(canvas.getPaletteIndex(LAVENDER_PURPLE));
    canvas.drawString("Palette Color 2", Disw / 2, 350, &fonts::FreeMonoBold24pt7b);
    canvas.setTextColor(canvas.getPaletteIndex(SADDLE_BROWN));
    canvas.drawString("Palette Color 3", Disw / 2, 400, &fonts::FreeMonoBold24pt7b);
    canvas.setTextColor(canvas.getPaletteIndex(INDIA_RED));
    canvas.drawString("Palette Color 4", Disw / 2, 450, &fonts::FreeMonoBold24pt7b);
    canvas.setTextColor(canvas.getPaletteIndex(FOREST_GREEN));
    canvas.drawString("Palette Color 5", Disw / 2, 500, &fonts::FreeMonoBold24pt7b);
    canvas.setTextColor(canvas.getPaletteIndex(SALMON_PINK));
    canvas.drawString("Palette Color 6", Disw / 2, 550, &fonts::FreeMonoBold24pt7b);

    canvas.pushSprite(0,0);
    canvas.deletePalette();//must behind pushSprite()
    canvas.deleteSprite();
}

void loop() {
}   

#include <M5GFX.h>
#include <M5Unified.h>

static int32_t Disw;
static int32_t Dish;
static float Affine_mat[9] = {1, 0, 60,
                              0, 1, 20,
                              0, 0, 1  };

void setup() {
    M5.begin();
    Disw = M5.Lcd.width();
    Dish = M5.Lcd.height();

    M5.Lcd.fillScreen(TFT_WHITE);

    M5Canvas canvas(&M5.Lcd);
    canvas.createSprite(100, 100);//set sprite size
    canvas.fillSprite(TFT_BLACK);//fill sprite with color XXX
    canvas.pushSprite(Disw / 2 - 50, Dish / 2 - 50);
    delay(1000);
    canvas.fillSprite(TFT_PINK);

    // Rotate 45°
    canvas.pushRotated(45);
    // canvas.pushRotatedWithAA(45);

    // Rotate 90° Reduce to 80%
    // canvas.pushRotateZoom(90, 0.8, 0.8);
    // canvas.pushRotateZoomWithAA(90, 0.8, 0.8);

    // Shift 10 units from the origin using the affine matrix
    // canvas.pushAffine(Affine_mat);
    // canvas.pushAffineWithAA(Affine_mat);

    canvas.deleteSprite();
}

void loop() {
}