Diff: SPI_TFT_ILI9341.cpp

Revision:

14:a5d57a0b9d67

Parent:

13:b2b3e5430f81

--- a/SPI_TFT_ILI9341.cpp	Wed Jun 25 16:51:27 2014 +0000
+++ b/SPI_TFT_ILI9341.cpp	Fri Nov 03 20:24:05 2017 +0000
@@ -668,6 +668,46 @@
 }
 
 
+void SPI_TFT_ILI9341::drawBitmap(int16_t x, int16_t y, const uint16_t *bitmap, int16_t w, int16_t h) {
+#if 0
+  int16_t i, j;
+  const uint16_t *p = bitmap;
+
+  for(j=0; j<h; j++) {
+    for(i=0; i<w; i++ ) { 
+        pixel(x+i, y+j, *p);
+        p++;
+      }   
+    }
+}   
+#else
+    unsigned int  j;
+    int padd;
+    const uint16_t *bitmap_ptr = bitmap;    
+    unsigned int i;
+    
+    // the lines are padded to multiple of 4 bytes in a bitmap
+    padd = -1;
+    do {
+        padd ++;
+    } while (2*(w + padd)%4 != 0);
+    
+    window(x, y, w, h);
+    wr_cmd(0x2C);  // send pixel
+    SPI::format(16,3);
+    for (j = 0; j < h; j++) {         //Lines
+        for (i = 0; i < w; i++) {     // one line
+                SPI::write(*bitmap_ptr);    // one line
+                bitmap_ptr++;
+        }
+        bitmap_ptr += padd;
+    }
+    _cs = 1;
+    SPI::format(8,3);
+    WindowMax();
+}    
+#endif
+
 
 void SPI_TFT_ILI9341::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap)
 {