LCD Size Defines (#15297)

Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp

 #if HAS_GRAPHICAL_LCD && PIN_EXISTS(FSMC_CS)
 
 #include "HAL_LCD_com_defines.h"
+#include "ultralcd_DOGM.h"
 
 #include <string.h>
 
   extern void LCD_IO_WriteMultiple(uint16_t color, uint32_t count);
 #endif
 
-#define WIDTH 128
-#define HEIGHT 64
+#define WIDTH LCD_PIXEL_WIDTH
+#define HEIGHT LCD_PIXEL_HEIGHT
 #define PAGE_HEIGHT 8
 
-#define X_LO 32
-#define Y_LO 32
+#define X_LO LCD_PIXEL_OFFSET_X
+#define Y_LO LCD_PIXEL_OFFSET_Y
 #define X_HI (X_LO + 2 * WIDTH  - 1)
 #define Y_HI (Y_LO + 2 * HEIGHT - 1)
 
 };
 
 static const uint8_t clear_screen_sequence[] = {
-  U8G_ESC_ADR(0), LCD_COLUMN, U8G_ESC_ADR(1), 0x00, 0x00, 0x01, 0x3F,
-  U8G_ESC_ADR(0), LCD_ROW,    U8G_ESC_ADR(1), 0x00, 0x00, 0x00, 0xEF,
+  U8G_ESC_ADR(0), LCD_COLUMN, U8G_ESC_ADR(1), 0x00, 0x00, U8G_ESC_DATA(LCD_FULL_PIXEL_WIDTH),
+  U8G_ESC_ADR(0), LCD_ROW,    U8G_ESC_ADR(1), 0x00, 0x00, U8G_ESC_DATA(LCD_FULL_PIXEL_HEIGHT),
   U8G_ESC_ADR(0), LCD_WRITE_RAM, U8G_ESC_ADR(1),
   U8G_ESC_END
 };

Marlin/src/lcd/dogm/ultralcd_DOGM.h

   #define LCD_PIXEL_HEIGHT 64
 #endif
 
+// LCD_FULL_PIXEL_WIDTH = 
+// LCD_PIXEL_OFFSET_X + (LCD_PIXEL_WIDTH * 2) + LCD_PIXEL_OFFSET_X 
+#if ENABLED(FSMC_GRAPHICAL_TFT)
+  #define LCD_FULL_PIXEL_WIDTH  320
+  #define LCD_PIXEL_OFFSET_X    32  
+  #define LCD_FULL_PIXEL_HEIGHT 240
+  #define LCD_PIXEL_OFFSET_Y    32
+#endif
+
 // For selective rendering within a Y range
 #define PAGE_OVER(ya)         ((ya) <= u8g.getU8g()->current_page.y1) // Does the current page follow a region top?
 #define PAGE_UNDER(yb)        ((yb) >= u8g.getU8g()->current_page.y0) // Does the current page precede a region bottom?