v01d commented on a change in pull request #2208:
URL: https://github.com/apache/incubator-nuttx/pull/2208#discussion_r516800881
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File path: arch/sim/src/sim/up_lcd.c
##########
@@ -242,6 +246,63 @@ static int sim_putrun(fb_coord_t row, fb_coord_t col,
return OK;
}
+/****************************************************************************
+ * Name: sim_putarea
+ *
+ * Description:
+ * This method can be used to write a partial raster line to the LCD:
+ *
+ * row_start - Starting row to write to (range: 0 <= row < yres)
+ * row_end - Ending row to write to (range: row_start <= row < yres)
+ * col_start - Starting column to write to (range: 0 <= col <= xres)
+ * col_end - Ending column to write to
+ * (range: col_start <= col_end < xres)
+ * buffer - The buffer containing the area to be written to the LCD
+ *
+ ****************************************************************************/
+
+static int sim_putarea(fb_coord_t row_start, fb_coord_t row_end,
+ fb_coord_t col_start, fb_coord_t col_end,
+ FAR const uint8_t *buffer)
+{
+ fb_coord_t row;
+ size_t rows;
+ size_t cols;
+ size_t row_size;
+
+ lcdinfo("row_start: %d row_end: %d col_start: %d col_end: %d\n", row_start
+ row_end, col_start, col_end);
+
+ cols = col_end - col_start + 1;
+ rows = row_end - row_start + 1;
+ row_size = (col_end - col_start + 1) * (g_planeinfo.bpp >> 3);
Review comment:
done
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