diff options
Diffstat (limited to 'shared-module/displayio/Palette.c')
| -rw-r--r-- | shared-module/displayio/Palette.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/shared-module/displayio/Palette.c b/shared-module/displayio/Palette.c index 8dc6e766b..444151b3c 100644 --- a/shared-module/displayio/Palette.c +++ b/shared-module/displayio/Palette.c @@ -26,49 +26,49 @@ #include "shared-bindings/displayio/Palette.h" +#include "shared-module/displayio/ColorConverter.h" + void common_hal_displayio_palette_construct(displayio_palette_t* self, uint16_t color_count) { self->color_count = color_count; - self->colors = (uint32_t *) m_malloc(color_count * sizeof(uint16_t), false); - uint32_t opaque_byte_count = color_count / 8; - if (color_count % 8 > 0) { - opaque_byte_count += 1; - } - self->opaque = (uint32_t *) m_malloc(opaque_byte_count, false); + self->colors = (_displayio_color_t *) m_malloc(color_count * sizeof(_displayio_color_t), false); } void common_hal_displayio_palette_make_opaque(displayio_palette_t* self, uint32_t palette_index) { - self->opaque[palette_index / 32] &= ~(0x1 << (palette_index % 32)); + self->colors[palette_index].transparent = false; } void common_hal_displayio_palette_make_transparent(displayio_palette_t* self, uint32_t palette_index) { - self->opaque[palette_index / 32] |= (0x1 << (palette_index % 32)); + self->colors[palette_index].transparent = true; +} + +uint32_t common_hal_displayio_palette_get_len(displayio_palette_t* self) { + return self->color_count; } void common_hal_displayio_palette_set_color(displayio_palette_t* self, uint32_t palette_index, uint32_t color) { - uint32_t shift = (palette_index % 2) * 16; - uint32_t masked = self->colors[palette_index / 2] & ~(0xffff << shift); - uint32_t r5 = (color >> 19); - uint32_t g6 = (color >> 10) & 0x3f; - uint32_t b5 = (color >> 3) & 0x1f; - uint32_t packed = r5 << 11 | g6 << 5 | b5; - // swap bytes - packed = __builtin_bswap16(packed); - uint32_t final_color = masked | packed << shift; - if (self->colors[palette_index / 2] == final_color) { + if (self->colors[palette_index].rgb888 == color) { return; } - self->colors[palette_index / 2] = final_color; + self->colors[palette_index].rgb888 = color; + self->colors[palette_index].luma = displayio_colorconverter_compute_luma(color); + self->colors[palette_index].rgb565 = displayio_colorconverter_compute_rgb565(color); self->needs_refresh = true; } -bool displayio_palette_get_color(displayio_palette_t *self, uint32_t palette_index, uint16_t* color) { - if (palette_index > self->color_count) { - return false; +uint32_t common_hal_displayio_palette_get_color(displayio_palette_t* self, uint32_t palette_index) { + return self->colors[palette_index].rgb888; +} + +bool displayio_palette_get_color(displayio_palette_t *self, const _displayio_colorspace_t* colorspace, uint32_t palette_index, uint32_t* color) { + if (palette_index > self->color_count || self->colors[palette_index].transparent) { + return false; // returns opaque } - if ((self->opaque[palette_index / 32] & (0x1 << (palette_index % 32))) != 0) { - return false; + + if (colorspace->grayscale) { + *color = self->colors[palette_index].luma >> (8 - colorspace->depth); + } else { + *color = self->colors[palette_index].rgb565; } - *color = (self->colors[palette_index / 2] >> (16 * (palette_index % 2))) & 0xffff; return true; } |
