improved drawing text for area drawing

gfxlcd/abstract/chip.py

@@ -30,16 +30,6 @@ class Chip(metaclass=abc.ABCMeta):
         else:
             return self._width
 
-    # @abc.abstractmethod
-    # def _converted_background_color(self):
-    #     """convert RGB background to available color"""
-    #     pass
-    #
-    # @abc.abstractmethod
-    # def _converted_color(self):
-    #     """convert RGB color to available color"""
-    #     pass
-
     @abc.abstractmethod
     def _convert_color(self, color):
         """convert color to avaible one"""

gfxlcd/drawing/area.py

@@ -160,3 +160,27 @@ class Area(Pixel):
                 return True
 
         return False
+
+    def _draw_letter(self, pos_x, pos_y, letter, with_background=False):
+        """draw a letter"""
+        if not with_background:
+            super()._draw_letter(pos_x, pos_y, letter, with_background)
+        else:
+            font = self.options['font']
+            self._set_area(
+                pos_x,
+                pos_y,
+                pos_x + font.size[0] - 1,
+                pos_y + font.size[1] - 1
+            )
+
+            bits = font.size[0]
+            color = self._convert_color(self.options['color'])
+            background_color = self._convert_color(self.options['background_color'])
+            for row, data in enumerate(font.get(letter)):
+                for bit in range(bits):
+                    if data & 0x01:
+                        self.driver.data(color, None)
+                    elif with_background:
+                        self.driver.data(background_color, None)
+                    data >>= 1

gfxlcd/drawing/pixel.py

@@ -152,8 +152,12 @@ class Pixel(object):
         for row, data in enumerate(font.get(letter)):
             for bit in range(bits):
                 if data & 0x01:
-                    self.draw_pixel(pos_x + bit, pos_y + row)
+                    self.draw_pixel(
+                        pos_x + bit, pos_y + row, self.color
+                    )
                 elif with_background:
-                    self.draw_pixel(pos_x + bit, pos_y + row)
+                    self.draw_pixel(
+                        pos_x + bit, pos_y + row, self.background_color
+                    )
                 data >>= 1
 

gfxlcd/driver/hd44780.py

@@ -60,7 +60,7 @@ class HD44780(BaseDriver):
     def char(self, char, enable=0):
         """write char to lcd"""
         self.gfxlcd.draw_text(
-            self.position['x'], self.position['y'], char
+            self.position['x'], self.position['y'], char, True
         )
         self._increase_x()
 

gfxlcd/driver/ili9325/ili9325.py

@@ -33,22 +33,6 @@ class ILI9325(Area, Chip):
         Chip.__init__(self, width, height, driver, True)
         Area.__init__(self, driver)
 
-    # def _converted_background_color(self):
-    #     """color from 8-8-8 to 5-6-5"""
-    #     rgb = self.options['background_color']['R'] << 16 | \
-    #         self.options['background_color']['G'] << 8 | \
-    #         self.options['background_color']['B']
-    #     return ((rgb & 0x00f80000) >> 8) |\
-    #         ((rgb & 0x0000fc00) >> 5) | ((rgb & 0x000000f8) >> 3)
-    #
-    # def _converted_color(self):
-    #     """color from 8-8-8 to 5-6-5"""
-    #     rgb = self.options['color']['R'] << 16 | \
-    #         self.options['color']['G'] << 8 | \
-    #         self.options['color']['B']
-    #     return ((rgb & 0x00f80000) >> 8) |\
-    #         ((rgb & 0x0000fc00) >> 5) | ((rgb & 0x000000f8) >> 3)
-
     def _convert_color(self, color):
         """color from 8-8-8 to 5-6-5"""
         rgb = color['R'] << 16 | \

gfxlcd/driver/ili9486/ili9486.py

@@ -12,22 +12,6 @@ class ILI9486(Area, Chip):
         Chip.__init__(self, width, height, driver, True)
         Area.__init__(self, driver)
 
-    # def _converted_background_color(self):
-    #     """color from 8-8-8 to 5-6-5"""
-    #     rgb = self.options['background_color']['R'] << 16 | \
-    #         self.options['background_color']['G'] << 8 | \
-    #         self.options['background_color']['B']
-    #     return ((rgb & 0x00f80000) >> 8) |\
-    #         ((rgb & 0x0000fc00) >> 5) | ((rgb & 0x000000f8) >> 3)
-    #
-    # def _converted_color(self):
-    #     """color from 8-8-8 to 5-6-5"""
-    #     rgb = self.options['color']['R'] << 16 | \
-    #         self.options['color']['G'] << 8 | \
-    #         self.options['color']['B']
-    #     return ((rgb & 0x00f80000) >> 8) |\
-    #         ((rgb & 0x0000fc00) >> 5) | ((rgb & 0x000000f8) >> 3)
-
     def _convert_color(self, color):
         """color from 8-8-8 to 5-6-5"""
         rgb = color['R'] << 16 | \

gfxlcd/driver/nju6450/nju6450.py

@@ -36,14 +36,6 @@ class NJU6450(Page, Chip):
             self.driver.cmd(0xB8 | pos_y, 1)
             self.driver.cmd(0x00 | (pos_x - width//2), 1)
 
-    # def _converted_background_color(self):
-    #     """convert RGB background to available color"""
-    #     return 1
-    #
-    # def _converted_color(self):
-    #     """convert RGB color to available color"""
-    #     return 1
-
     def _convert_color(self, color):
         """convert color to avaiable one"""
         if color['R'] == 0 and color['G'] == 0 and color['B'] == 0:

gfxlcd/driver/ssd1306/ssd1306.py

@@ -76,14 +76,6 @@ class SSD1306(Page, Chip):
         self.driver.cmd(0x14)  # enable charge pump
         self.driver.cmd(0xaf)  # turn on panel
 
-    # def _converted_background_color(self):
-    #     """convert RGB background to available color"""
-    #     return 1
-    #
-    # def _converted_color(self):
-    #     """convert RGB color to available color"""
-    #     return 1
-
     def _convert_color(self, color):
         """convert color to avaiable one"""
         if color['R'] == 0 and color['G'] == 0 and color['B'] == 0: