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| author | Jeff Epler <jeff@adafruit.com> | 2021-03-15 13:50:49 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-15 13:50:49 -0500 |
| commit | 05ed179e11599dd45a76dfb14ecf624d0ff96d68 (patch) | |
| tree | a046c6d1f117814168150484ed1bf7840d3400d7 /shared-module/displayio/ColorConverter.c | |
| parent | 3cbff45f9aac5ea2855bbc888083d356a91c80fe (diff) | |
| parent | f9b4189b4c640823dabb76de8effd2a836da2eb0 (diff) | |
Merge pull request #4362 from microDev1/code-formatting
Add code formatting and translations check
Diffstat (limited to 'shared-module/displayio/ColorConverter.c')
| -rw-r--r-- | shared-module/displayio/ColorConverter.c | 47 |
1 files changed, 23 insertions, 24 deletions
diff --git a/shared-module/displayio/ColorConverter.c b/shared-module/displayio/ColorConverter.c index 40dcd9d16..be9e9dc1a 100644 --- a/shared-module/displayio/ColorConverter.c +++ b/shared-module/displayio/ColorConverter.c @@ -31,18 +31,17 @@ #define NO_TRANSPARENT_COLOR (0x1000000) -uint32_t displayio_colorconverter_dither_noise_1 (uint32_t n) -{ - n = (n >> 13) ^ n; - int nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 0x7fffffff; - return (uint32_t) (((float)nn / (1073741824.0f*2)) * 255); +uint32_t displayio_colorconverter_dither_noise_1(uint32_t n) { + n = (n >> 13) ^ n; + int nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 0x7fffffff; + return (uint32_t)(((float)nn / (1073741824.0f * 2)) * 255); } 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) { self->dither = dither; self->transparent_color = NO_TRANSPARENT_COLOR; } @@ -83,11 +82,11 @@ uint8_t displayio_colorconverter_compute_hue(uint32_t color_rgb888) { int32_t hue = 0; if (max == r8) { - hue = (((int32_t) (g8 - b8) * 40) / c) % 240; + hue = (((int32_t)(g8 - b8) * 40) / c) % 240; } else if (max == g8) { - hue = (((int32_t) (b8 - r8) + (2 * c)) * 40) / c; + hue = (((int32_t)(b8 - r8) + (2 * c)) * 40) / c; } else if (max == b8) { - hue = (((int32_t) (r8 - g8) + (4 * c)) * 40) / c; + hue = (((int32_t)(r8 - g8) + (4 * c)) * 40) / c; } if (hue < 0) { hue += 240; @@ -96,7 +95,7 @@ uint8_t displayio_colorconverter_compute_hue(uint32_t color_rgb888) { return hue; } -void displayio_colorconverter_compute_tricolor(const _displayio_colorspace_t* colorspace, uint8_t pixel_hue, uint8_t pixel_luma, uint32_t* color) { +void displayio_colorconverter_compute_tricolor(const _displayio_colorspace_t *colorspace, uint8_t pixel_hue, uint8_t pixel_luma, uint32_t *color) { int16_t hue_diff = colorspace->tricolor_hue - pixel_hue; if ((-10 <= hue_diff && hue_diff <= 10) || hue_diff <= -220 || hue_diff >= 220) { @@ -110,7 +109,7 @@ void displayio_colorconverter_compute_tricolor(const _displayio_colorspace_t* co } } -void common_hal_displayio_colorconverter_convert(displayio_colorconverter_t *self, const _displayio_colorspace_t* colorspace, uint32_t input_color, uint32_t* output_color) { +void common_hal_displayio_colorconverter_convert(displayio_colorconverter_t *self, const _displayio_colorspace_t *colorspace, uint32_t input_color, uint32_t *output_color) { displayio_input_pixel_t input_pixel; input_pixel.pixel = input_color; input_pixel.x = input_pixel.y = input_pixel.tile = input_pixel.tile_x = input_pixel.tile_y = 0; @@ -124,28 +123,28 @@ void common_hal_displayio_colorconverter_convert(displayio_colorconverter_t *sel (*output_color) = output_pixel.pixel; } -void common_hal_displayio_colorconverter_set_dither(displayio_colorconverter_t* self, bool dither) { +void common_hal_displayio_colorconverter_set_dither(displayio_colorconverter_t *self, bool dither) { self->dither = dither; } -bool common_hal_displayio_colorconverter_get_dither(displayio_colorconverter_t* self) { +bool common_hal_displayio_colorconverter_get_dither(displayio_colorconverter_t *self) { return self->dither; } -void common_hal_displayio_colorconverter_make_transparent(displayio_colorconverter_t* self, uint32_t transparent_color) { +void common_hal_displayio_colorconverter_make_transparent(displayio_colorconverter_t *self, uint32_t transparent_color) { if (self->transparent_color != NO_TRANSPARENT_COLOR) { mp_raise_RuntimeError(translate("Only one color can be transparent at a time")); } self->transparent_color = transparent_color; } -void common_hal_displayio_colorconverter_make_opaque(displayio_colorconverter_t* self, uint32_t transparent_color) { - (void) transparent_color; +void common_hal_displayio_colorconverter_make_opaque(displayio_colorconverter_t *self, uint32_t transparent_color) { + (void)transparent_color; // NO_TRANSPARENT_COLOR will never equal a valid color self->transparent_color = NO_TRANSPARENT_COLOR; } -void displayio_colorconverter_convert(displayio_colorconverter_t *self, const _displayio_colorspace_t* colorspace, const displayio_input_pixel_t *input_pixel, displayio_output_pixel_t *output_color) { +void displayio_colorconverter_convert(displayio_colorconverter_t *self, const _displayio_colorspace_t *colorspace, const displayio_input_pixel_t *input_pixel, displayio_output_pixel_t *output_color) { uint32_t pixel = input_pixel->pixel; if (self->transparent_color == pixel) { @@ -153,19 +152,19 @@ void displayio_colorconverter_convert(displayio_colorconverter_t *self, const _d return; } - if (self->dither){ + if (self->dither) { uint8_t randr = (displayio_colorconverter_dither_noise_2(input_pixel->tile_x,input_pixel->tile_y)); - uint8_t randg = (displayio_colorconverter_dither_noise_2(input_pixel->tile_x+33,input_pixel->tile_y)); - uint8_t randb = (displayio_colorconverter_dither_noise_2(input_pixel->tile_x,input_pixel->tile_y+33)); + uint8_t randg = (displayio_colorconverter_dither_noise_2(input_pixel->tile_x + 33,input_pixel->tile_y)); + uint8_t randb = (displayio_colorconverter_dither_noise_2(input_pixel->tile_x,input_pixel->tile_y + 33)); uint32_t r8 = (pixel >> 16); uint32_t g8 = (pixel >> 8) & 0xff; uint32_t b8 = pixel & 0xff; if (colorspace->depth == 16) { - b8 = MIN(255,b8 + (randb&0x07)); - r8 = MIN(255,r8 + (randr&0x07)); - g8 = MIN(255,g8 + (randg&0x03)); + b8 = MIN(255,b8 + (randb & 0x07)); + r8 = MIN(255,r8 + (randr & 0x07)); + g8 = MIN(255,g8 + (randg & 0x03)); } else { int bitmask = 0xFF >> colorspace->depth; b8 = MIN(255,b8 + (randb & bitmask)); @@ -197,7 +196,7 @@ void displayio_colorconverter_convert(displayio_colorconverter_t *self, const _d uint8_t pixel_hue = displayio_colorconverter_compute_hue(pixel); displayio_colorconverter_compute_tricolor(colorspace, pixel_hue, luma, &output_color->pixel); return; - } else if (colorspace->grayscale && colorspace->depth <= 8) { + } else if (colorspace->grayscale && colorspace->depth <= 8) { uint8_t luma = displayio_colorconverter_compute_luma(pixel); size_t bitmask = (1 << colorspace->depth) - 1; output_color->pixel = (luma >> colorspace->grayscale_bit) & bitmask; |
