Added scripts to generate color bitmaps

src/main.rs

@@ -145,7 +145,7 @@ fn run(mut scs: scs::Instance, mut p: hcl::platform::Instance) {
         systick::delay_ms(1000);
         st7735io.draw_mono_bitmap(11, 4, &logo::LOGO_BW, st7735::COLOR_WHITE, st7735::COLOR_BLACK);
         systick::delay_ms(1000);
-        st7735io.draw_color_bitmap(11, 4, &logo::LOGO);
+        st7735io.draw_color_bitmap(11, 4, &logo::LOGO_COLOR);
         systick::delay_ms(5000);
     }
     let (st7735, mut spi, mut gpio) = st7735io.done();

utils/image_conver_mono.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+
+from PIL import Image
+
+
+def main():
+    if len(sys.argv) != 3:
+        print("Usage: %s <image> <output file>" % sys.argv[0])
+        sys.exit(-1)
+
+    img = Image.open(sys.argv[1]).convert('RGB')
+
+    width, height = img.size
+
+    print("Size: %d x %d = %d bytes" % (width, height, width * height / 8))
+
+    file_name = os.path.basename(sys.argv[2])
+    variable_name = '_'.join(file_name.split('.')[:-1])
+    variable_name = variable_name.upper()
+
+    output_file = open(sys.argv[2], 'w')
+    output_file.write("use st7735::bitmaps::MonoBitmap;\n\n")
+    output_file.write("const %s_PX: [u16; %d] = [\n" % (variable_name, width * height))
+
+    bit_pos = 0
+    bits = 0
+
+    for y in range(0, height):
+        output_file.write("\t")
+        for x in range(0, width):
+            r, g, b = img.getpixel((x, y))
+
+            if (r + b + g) / 3 > 127:
+                bits = bits | (1 << (bit_pos % 8))
+
+            bit_pos += 1
+
+            if bit_pos % 8 == 0:
+                output_file.write("0x%x, " % bits)
+                bits = 0
+
+        output_file.write("\n")
+
+    output_file.write("];\n\n")
+    output_file.write("pub const %s: MonoBitmap = MonoBitmap {\n" % variable_name)
+    output_file.write("\twidth: %d,\n" % width)
+    output_file.write("\theight: %d,\n" % height)
+    output_file.write("pixels: &%s_PX,\n" % variable_name)
+    output_file.write("};\n")
+    output_file.close()
+
+
+if __name__ == '__main__':
+    main()

utils/image_convert.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+
+from PIL import Image
+
+
+def main():
+    if len(sys.argv) != 3:
+        print("Usage: %s <image> <output file>" % sys.argv[0])
+        sys.exit(-1)
+
+    img = Image.open(sys.argv[1]).convert('RGB')
+
+    width, height = img.size
+
+    print("Size: %d x %d = %d bytes" % (width, height, width * height * 2))
+
+    file_name = os.path.basename(sys.argv[2])
+    variable_name = '_'.join(file_name.split('.')[:-1])
+    variable_name = variable_name.upper()
+
+    output_file = open(sys.argv[2], 'w')
+    output_file.write("use st7735::bitmaps::ColorBitmap;\n\n")
+    output_file.write("const %s_PX: [u16; %d] = [\n" % (variable_name, width * height))
+
+
+    for y in range(0, height):
+        output_file.write("\t")
+
+        for x in range(0, width):
+            r, g, b = img.getpixel((x, y))
+
+            packed_color = ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3)
+            output_file.write("0x%x, " % packed_color)
+
+        output_file.write("\n")
+
+    output_file.write("];\n\n")
+    output_file.write("pub const %s: ColorBitmap = ColorBitmap {\n" % variable_name)
+    output_file.write("\twidth: %d,\n" % width)
+    output_file.write("\theight: %d,\n" % height)
+    output_file.write("pixels: &%s_PX,\n" % variable_name)
+    output_file.write("};\n")
+    output_file.close()
+
+
+if __name__ == '__main__':
+    main()