displayio: Add in opaque pixel option for future

Author: jensechu

locale/circuitpython.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-10-14 22:22-0500\n"
+"POT-Creation-Date: 2020-10-16 19:50-0500\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <[email protected]>\n"
@@ -3408,10 +3408,6 @@ msgstr ""
 msgid "too many values to unpack (expected %d)"
 msgstr ""
 
-#: shared-bindings/displayio/ColorConverter.c
-msgid "transparent_color should be an int"
-msgstr ""
-
 #: extmod/ulab/code/approx/approx.c
 msgid "trapz is defined for 1D arrays of equal length"
 msgstr ""

shared-bindings/displayio/ColorConverter.c

@@ -125,12 +125,14 @@ MP_DEFINE_CONST_FUN_OBJ_2(displayio_colorconverter_make_transparent_obj, display
 //|     def make_opaque(self) -> None:
 //|         """Sets a pixel to opaque."""
 //|
-STATIC mp_obj_t displayio_colorconverter_make_opaque(mp_obj_t self_in) {
+STATIC mp_obj_t displayio_colorconverter_make_opaque(mp_obj_t self_in, mp_obj_t transparent_color_obj) {
     displayio_colorconverter_t *self = MP_OBJ_TO_PTR(self_in);
-    common_hal_displayio_colorconverter_make_opaque(self);
+
+    mp_int_t transparent_color = mp_obj_get_int(&transparent_color);
+    common_hal_displayio_colorconverter_make_opaque(self, transparent_color);
     return mp_const_none;
 }
-MP_DEFINE_CONST_FUN_OBJ_1(displayio_colorconverter_make_opaque_obj, displayio_colorconverter_make_opaque);
+MP_DEFINE_CONST_FUN_OBJ_2(displayio_colorconverter_make_opaque_obj, displayio_colorconverter_make_opaque);
 
 STATIC const mp_rom_map_elem_t displayio_colorconverter_locals_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_convert), MP_ROM_PTR(&displayio_colorconverter_convert_obj) },

shared-bindings/displayio/ColorConverter.h

@@ -40,6 +40,6 @@ void common_hal_displayio_colorconverter_set_dither(displayio_colorconverter_t*
 bool common_hal_displayio_colorconverter_get_dither(displayio_colorconverter_t* self);
 
 void common_hal_displayio_colorconverter_make_transparent(displayio_colorconverter_t* self, uint32_t transparent_color);
-void common_hal_displayio_colorconverter_make_opaque(displayio_colorconverter_t* self);
+void common_hal_displayio_colorconverter_make_opaque(displayio_colorconverter_t* self, uint32_t transparent_color);
 
 #endif // MICROPY_INCLUDED_SHARED_BINDINGS_DISPLAYIO_COLORCONVERTER_H

shared-module/displayio/ColorConverter.c

@@ -136,7 +136,9 @@ void common_hal_displayio_colorconverter_make_transparent(displayio_colorconvert
     self->transparent_color = transparent_color;
 }
 
-void common_hal_displayio_colorconverter_make_opaque(displayio_colorconverter_t* self) {
+void common_hal_displayio_colorconverter_make_opaque(displayio_colorconverter_t* self, uint32_t transparent_color) {
+    (void) transparent_color;
+    
     // 0x1000000 will never equal a valid color
     self->transparent_color = 0x1000000;
 }