Inky 7.3: Dither pixel spans, move RGB flag out of RGB888.

libraries/pico_graphics/pico_graphics_pen_inky7.cpp

@@ -10,22 +10,28 @@ namespace pimoroni {
     color = c;
   }
   void PicoGraphics_PenInky7::set_pen(uint8_t r, uint8_t g, uint8_t b) {
-    color = RGB(r, g, b).to_rgb888() | 0x010101;
+    color = RGB(r, g, b).to_rgb888() | 0x7f000000;
   }
   int PicoGraphics_PenInky7::create_pen(uint8_t r, uint8_t g, uint8_t b) {
-    return RGB(r, g, b).to_rgb888() | 0x010101;
+    return RGB(r, g, b).to_rgb888() | 0x7f000000;
   }
   int PicoGraphics_PenInky7::create_pen_hsv(float h, float s, float v) {
-    return RGB::from_hsv(h, s, v).to_rgb888() | 0x010101;
+    return RGB::from_hsv(h, s, v).to_rgb888() | 0x7f000000;
   }
   void PicoGraphics_PenInky7::set_pixel(const Point &p) {
-    if ((color & 0x010101) == 0x010101) {
+    if ((color & 0x7f000000) == 0x7f000000) {
       set_pixel_dither(p, RGB(color));
     } else {
       driver.write_pixel(p, color & 0x07);
     }
   }
   void PicoGraphics_PenInky7::set_pixel_span(const Point &p, uint l) {
+    if ((color & 0x7f000000) == 0x7f000000) {
+      for(auto x = 0u; x < l; x++) {
+        set_pixel_dither(p + Point(x, 0), RGB(color));
+      }
+      return;
+    }
     driver.write_pixel_span(p, l, color);
   }
   void PicoGraphics_PenInky7::get_dither_candidates(const RGB &col, const RGB *palette, size_t len, std::array<uint8_t, 16> &candidates) {