diff options
| -rw-r--r-- | shared-bindings/displayio/ColorConverter.c | 5 | ||||
| -rw-r--r-- | shared-bindings/displayio/ColorConverter.h | 2 | ||||
| -rw-r--r-- | shared-module/displayio/ColorConverter.c | 12 | ||||
| -rw-r--r-- | shared-module/displayio/ColorConverter.h | 1 |
4 files changed, 17 insertions, 3 deletions
diff --git a/shared-bindings/displayio/ColorConverter.c b/shared-bindings/displayio/ColorConverter.c index a2b6699ef..d2cbcfc73 100644 --- a/shared-bindings/displayio/ColorConverter.c +++ b/shared-bindings/displayio/ColorConverter.c @@ -43,6 +43,7 @@ //| """Create a ColorConverter object to convert color formats. Only supports RGB888 to RGB565 //| currently. //| :param bool dither: Adds random noise to dither the output image""" +//| :param bool transparent_color: Sets one color in the colorset to transparent""" //| ... //| @@ -50,9 +51,11 @@ //| STATIC mp_obj_t displayio_colorconverter_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { enum { ARG_dither}; + enum { ARG_transparent_color }; static const mp_arg_t allowed_args[] = { { MP_QSTR_dither, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} }, + { MP_QSTR_transparent_color, MP_ARG_KW_ONLY | MP_ARG_INT, {.uint32_t = 0} }, }; mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); @@ -60,7 +63,7 @@ STATIC mp_obj_t displayio_colorconverter_make_new(const mp_obj_type_t *type, siz displayio_colorconverter_t *self = m_new_obj(displayio_colorconverter_t); self->base.type = &displayio_colorconverter_type; - common_hal_displayio_colorconverter_construct(self, args[ARG_dither].u_bool); + common_hal_displayio_colorconverter_construct(self, args[ARG_dither].u_bool, args[ARG_transparent_color].uint32_t); return MP_OBJ_FROM_PTR(self); } diff --git a/shared-bindings/displayio/ColorConverter.h b/shared-bindings/displayio/ColorConverter.h index d550d81be..146ad80bd 100644 --- a/shared-bindings/displayio/ColorConverter.h +++ b/shared-bindings/displayio/ColorConverter.h @@ -33,7 +33,7 @@ extern const mp_obj_type_t displayio_colorconverter_type; -void common_hal_displayio_colorconverter_construct(displayio_colorconverter_t* self, bool dither); +void common_hal_displayio_colorconverter_construct(displayio_colorconverter_t* self, bool dither, uint32_t transparent_color); void common_hal_displayio_colorconverter_convert(displayio_colorconverter_t *colorconverter, const _displayio_colorspace_t* colorspace, uint32_t input_color, uint32_t* output_color); void common_hal_displayio_colorconverter_set_dither(displayio_colorconverter_t* self, bool dither); diff --git a/shared-module/displayio/ColorConverter.c b/shared-module/displayio/ColorConverter.c index c2c3214aa..c23286d04 100644 --- a/shared-module/displayio/ColorConverter.c +++ b/shared-module/displayio/ColorConverter.c @@ -39,8 +39,9 @@ uint32_t displayio_colorconverter_dither_noise_2(uint32_t x, uint32_t y) { return displayio_colorconverter_dither_noise_1(x + y * 0xFFFF); } -void common_hal_displayio_colorconverter_construct(displayio_colorconverter_t* self, bool dither) { +void common_hal_displayio_colorconverter_construct(displayio_colorconverter_t* self, bool dither, uint32_t transparent_color) { self->dither = dither; + self->transparent_color = transparent_color; } uint16_t displayio_colorconverter_compute_rgb565(uint32_t color_rgb888) { @@ -161,6 +162,9 @@ void displayio_colorconverter_convert(displayio_colorconverter_t *self, const _d } output_color->pixel = packed; output_color->opaque = true; + if (self->transparent_color == pixel) { + output_color->opaque = false; + } return; } else if (colorspace->tricolor) { uint8_t luma = displayio_colorconverter_compute_luma(pixel); @@ -170,6 +174,9 @@ void displayio_colorconverter_convert(displayio_colorconverter_t *self, const _d output_color->pixel = 0; } output_color->opaque = true; + if (self->transparent_color == pixel) { + output_color->opaque = false; + } return; } uint8_t pixel_hue = displayio_colorconverter_compute_hue(pixel); @@ -179,6 +186,9 @@ void displayio_colorconverter_convert(displayio_colorconverter_t *self, const _d uint8_t luma = displayio_colorconverter_compute_luma(pixel); output_color->pixel = luma >> (8 - colorspace->depth); output_color->opaque = true; + if (self->transparent_color == pixel) { + output_color->opaque = false; + } return; } output_color->opaque = false; diff --git a/shared-module/displayio/ColorConverter.h b/shared-module/displayio/ColorConverter.h index 10b1604a4..b402625ef 100644 --- a/shared-module/displayio/ColorConverter.h +++ b/shared-module/displayio/ColorConverter.h @@ -36,6 +36,7 @@ typedef struct { mp_obj_base_t base; bool dither; + uint32_t transparent_color; } displayio_colorconverter_t; bool displayio_colorconverter_needs_refresh(displayio_colorconverter_t *self); |