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Code Issues Releases Wiki Activity

[image][online_image][animation] Fix transparency in RGB565 (#7631)

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This commit is contained in:
Clyde Stubbs
2024-10-25 09:05:25 +11:00
committed by GitHub
parent 09f9d91577
commit 33fdbbe30c
15 changed files with 101 additions and 291 deletions
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10
esphome/components/online_image/online_image.cpp
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@@ -215,16 +215,10 @@ void OnlineImage::draw_pixel_(int x, int y, Color color) {
}
case ImageType::IMAGE_TYPE_RGB565: {
uint16_t col565 = display::ColorUtil::color_to_565(color);
if (this->has_transparency()) {
if (col565 == 0x0020) {
col565 = 0;
}
if (color.w < 0x80) {
col565 = 0x0020;
}
}
this->buffer_[pos + 0] = static_cast<uint8_t>((col565 >> 8) & 0xFF);
this->buffer_[pos + 1] = static_cast<uint8_t>(col565 & 0xFF);
if (this->has_transparency())
this->buffer_[pos + 2] = color.w;
break;
}
case ImageType::IMAGE_TYPE_RGBA: {

8
esphome/components/online_image/online_image.h
View File

@@ -86,13 +86,9 @@ class OnlineImage : public PollingComponent,
Allocator allocator_{Allocator::Flags::ALLOW_FAILURE};
uint32_t get_buffer_size_() const { return get_buffer_size_(this->buffer_width_, this->buffer_height_); }
int get_buffer_size_(int width, int height) const {
return std::ceil(image::image_type_to_bpp(this->type_) * width * height / 8.0);
}
int get_buffer_size_(int width, int height) const { return (this->get_bpp() * width + 7u) / 8u * height; }
int get_position_(int x, int y) const {
return ((x + y * this->buffer_width_) * image::image_type_to_bpp(this->type_)) / 8;
}
int get_position_(int x, int y) const { return (x + y * this->buffer_width_) * this->get_bpp() / 8; }
ESPHOME_ALWAYS_INLINE bool auto_resize_() const { return this->fixed_width_ == 0 || this->fixed_height_ == 0; }