1 files changed, 149 insertions, 0 deletions
diff --git a/Marlin/src/lcd/tft/tft_queue.h b/Marlin/src/lcd/tft/tft_queue.h
new file mode 100644
index 0000000..7eaa0c0
--- /dev/null
+++ b/Marlin/src/lcd/tft/tft_queue.h
@@ -0,0 +1,149 @@
+/**
+ * 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 "../../inc/MarlinConfig.h"
+#include "tft_string.h"
+#include "tft_image.h"
+
+#ifndef TFT_QUEUE_SIZE
+  #define TFT_QUEUE_SIZE              8192
+#endif
+
+enum QueueTaskType : uint8_t {
+  TASK_END_OF_QUEUE = 0x00,
+  TASK_FILL,
+  TASK_CANVAS,
+};
+
+enum QueueTaskState : uint8_t {
+  TASK_STATE_READY = 0x00,
+  TASK_STATE_IN_PROGRESS,
+  TASK_STATE_COMPLETED,
+  TASK_STATE_SKETCH = 0xFF,
+};
+
+enum CanvasSubtype : uint8_t {
+  CANVAS_SET_BACKGROUND = 0x00,
+  CANVAS_ADD_TEXT,
+  CANVAS_ADD_IMAGE,
+  CANVAS_ADD_BAR,
+  CANVAS_ADD_RECTANGLE,
+};
+
+typedef struct __attribute__((__packed__)) {
+  QueueTaskType type;
+  QueueTaskState state;
+  uint8_t *nextTask;
+} queueTask_t;
+
+typedef struct __attribute__((__packed__)) {
+  uint16_t x;
+  uint16_t y;
+  uint16_t width;
+  uint16_t height;
+  uint16_t color;
+  uint32_t count;
+} parametersFill_t;
+
+typedef struct __attribute__((__packed__)) {
+  uint16_t x;
+  uint16_t y;
+  uint16_t width;
+  uint16_t height;
+  uint32_t count;
+} parametersCanvas_t;
+
+typedef struct __attribute__((__packed__)) {
+  CanvasSubtype type;
+  uint8_t *nextParameter;
+  uint16_t color;
+} parametersCanvasBackground_t;
+
+typedef struct __attribute__((__packed__)) {
+  CanvasSubtype type;
+  uint8_t *nextParameter;
+  uint16_t x;
+  uint16_t y;
+  uint16_t color;
+  uint32_t count;
+  uint16_t maxWidth;
+  uint16_t stringLength;
+} parametersCanvasText_t;
+
+typedef struct __attribute__((__packed__)) {
+  CanvasSubtype type;
+  uint8_t *nextParameter;
+  int16_t x;
+  int16_t y;
+  MarlinImage image;
+} parametersCanvasImage_t;
+
+typedef struct __attribute__((__packed__)) {
+  CanvasSubtype type;
+  uint8_t *nextParameter;
+  uint16_t x;
+  uint16_t y;
+  uint16_t width;
+  uint16_t height;
+  uint16_t color;
+} parametersCanvasBar_t;
+
+typedef struct __attribute__((__packed__)) {
+  CanvasSubtype type;
+  uint8_t *nextParameter;
+  uint16_t x;
+  uint16_t y;
+  uint16_t width;
+  uint16_t height;
+  uint16_t color;
+} parametersCanvasRectangle_t;
+
+class TFT_Queue {
+  private:
+    static uint8_t queue[TFT_QUEUE_SIZE];
+    static uint8_t *end_of_queue;
+    static uint8_t *current_task;
+    static uint8_t *last_task;
+    static uint8_t *last_parameter;
+
+    static void finish_sketch();
+    static void fill(queueTask_t *task);
+    static void canvas(queueTask_t *task);
+    static void handle_queue_overflow(uint16_t sizeNeeded);
+
+  public:
+    static void reset();
+    static void async();
+    static void sync() { while (current_task != NULL) async(); }
+
+    static void fill(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
+    static void canvas(uint16_t x, uint16_t y, uint16_t width, uint16_t height);
+    static void set_background(uint16_t color);
+    static void add_text(uint16_t x, uint16_t y, uint16_t color, uint8_t *string, uint16_t maxWidth);
+
+    static void add_image(int16_t x, int16_t y, MarlinImage image, uint16_t *colors);
+    static void add_image(int16_t x, int16_t y, MarlinImage image, uint16_t color_main, uint16_t color_background, uint16_t color_shadow);
+
+    static void add_bar(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
+    static void add_rectangle(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
+};