1 files changed, 57 insertions, 0 deletions
diff --git a/Marlin/src/lcd/tft/canvas.h b/Marlin/src/lcd/tft/canvas.h
new file mode 100644
index 0000000..295ea03
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+++ b/Marlin/src/lcd/tft/canvas.h
@@ -0,0 +1,57 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "tft_color.h"
+#include "tft_string.h"
+#include "tft_image.h"
+#include "tft.h"
+
+#include "../../inc/MarlinConfig.h"
+
+class CANVAS {
+  private:
+    static uint16_t width, height;
+    static uint16_t startLine, endLine;
+    static uint16_t *buffer;
+
+    inline static font_t *Font() { return TFT_String::font(); }
+    inline static glyph_t *Glyph(uint8_t *character) { return TFT_String::glyph(character); }
+    inline static uint16_t GetFontHeight() { return TFT_String::font_height(); }
+
+    static void AddImage(int16_t x, int16_t y, uint8_t image_width, uint8_t image_height, colorMode_t color_mode, uint8_t *data, uint16_t *colors);
+    static void AddImage(uint16_t x, uint16_t y, uint16_t imageWidth, uint16_t imageHeight, uint16_t color, uint16_t bgColor, uint8_t *image);
+
+  public:
+    static void New(uint16_t x, uint16_t y, uint16_t width, uint16_t height);
+    static void Continue();
+    static bool ToScreen();
+
+    static void SetBackground(uint16_t color);
+    static void AddText(uint16_t x, uint16_t y, uint16_t color, uint8_t *string, uint16_t maxWidth);
+    static void AddImage(int16_t x, int16_t y, MarlinImage image, uint16_t *colors);
+
+    static void AddRectangle(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
+    static void AddBar(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
+};
+
+extern CANVAS Canvas;