Merge pull request #156 from bigclownlabs/lcd-draw-image

Add image drawing

bcl/inc/bc_image.h

@@ -0,0 +1,14 @@
+
+#ifndef _BC_IMAGE
+#define _BC_IMAGE
+
+#include <bc_common.h>
+
+ typedef struct {
+     const uint8_t *data;
+     uint16_t width;
+     uint16_t height;
+     uint8_t dataSize;
+} bc_image_t;
+
+#endif // _BC_IMAGE

bcl/inc/bc_module_lcd.h

@@ -3,6 +3,7 @@
 
 
 #include <bc_font_common.h>
+#include <bc_image.h>
 #include <bc_led.h>
 #include <bc_button.h>
 
@@ -163,6 +164,13 @@ void bc_module_lcd_draw_rectangle(int x0, int y0, int x1, int y1, bool color);
 
 void bc_module_lcd_draw_circle(int x0, int y0, int radius, bool color);
 
+//! @brief Lcd draw image
+//! @param[in] left Pixels from left edge
+//! @param[in] top Pixels from top edge
+//! @param[in] img Pointer to the image
+
+void bc_module_lcd_draw_image(int left, int top, const bc_image_t *img);
+
 //void bc_module_lcd_draw(const uint8_t *frame, uint8_t width, uint8_t height); // In pixels
 //void bc_module_lcd_printf(uint8_t line, /*uint8_t size, font, */const uint8_t *string/*, ...*/);
 

bcl/inc/bcl.h

@@ -59,6 +59,9 @@
 #include <bc_data_stream.h>
 #include <bc_flood_detector.h>
 #include <bc_pulse_counter.h>
+#include <bc_font_common.h>
+#include <bc_image.h>
+
 
 //! @mainpage Overview
 //! Here you will find all the documented firmware SDK APIs.

bcl/src/bc_module_lcd.c

@@ -352,6 +352,31 @@ void bc_module_lcd_draw_circle(int x0, int y0, int radius, bool color)
     }
 }
 
+void bc_module_lcd_draw_image(int left, int top, const bc_image_t *img)
+{
+    uint8_t line;
+	uint8_t row;
+    uint8_t bytes_per_row = img->width / 8;
+
+    if(img->width % 8 != 0)
+    {
+        bytes_per_row++;
+    }
+
+    bc_tick_t start = bc_tick_get();
+
+        for (row = 0; row < img->height; row++) {
+            for (line = 0; line < img->width; line++) {
+                uint32_t byte_offset = line / 8 + row * bytes_per_row;
+                uint32_t bit = line % 8;
+                bc_module_lcd_draw_pixel(line + left, row + top, (img->data[byte_offset]) & (1 << bit));
+			}
+		}
+    volatile bc_tick_t duration = bc_tick_get() - start;
+    (void)duration;
+
+}
+
 /*
 
 Framebuffer format for updating multiple lines, ideal for later DMA TX: