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Code Issues Releases Wiki Activity

[lvgl] Bugfixes #3 (#7472)

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This commit is contained in:
Clyde Stubbs
2024-10-07 11:27:08 +11:00
committed by GitHub
parent cbc03aae80
commit 81f6750211
16 changed files with 148 additions and 76 deletions
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44
esphome/components/image/image.cpp
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@@ -79,6 +79,50 @@ Color Image::get_pixel(int x, int y, Color color_on, Color color_off) const {
return color_off;
}
}
#ifdef USE_LVGL
lv_img_dsc_t *Image::get_lv_img_dsc() {
// lazily construct lvgl image_dsc.
if (this->dsc_.data != this->data_start_) {
this->dsc_.data = this->data_start_;
this->dsc_.header.always_zero = 0;
this->dsc_.header.reserved = 0;
this->dsc_.header.w = this->width_;
this->dsc_.header.h = this->height_;
this->dsc_.data_size = image_type_to_width_stride(this->dsc_.header.w * this->dsc_.header.h, this->get_type());
switch (this->get_type()) {
case IMAGE_TYPE_BINARY:
this->dsc_.header.cf = LV_IMG_CF_ALPHA_1BIT;
break;
case IMAGE_TYPE_GRAYSCALE:
this->dsc_.header.cf = LV_IMG_CF_ALPHA_8BIT;
break;
case IMAGE_TYPE_RGB24:
this->dsc_.header.cf = LV_IMG_CF_RGB888;
break;
case IMAGE_TYPE_RGB565:
#if LV_COLOR_DEPTH == 16
this->dsc_.header.cf = this->has_transparency() ? LV_IMG_CF_TRUE_COLOR_CHROMA_KEYED : LV_IMG_CF_TRUE_COLOR;
#else
this->dsc_.header.cf = LV_IMG_CF_RGB565;
#endif
break;
case image::IMAGE_TYPE_RGBA:
#if LV_COLOR_DEPTH == 32
this->dsc_.header.cf = LV_IMG_CF_TRUE_COLOR;
#else
this->dsc_.header.cf = LV_IMG_CF_RGBA8888;
#endif
break;
}
}
return &this->dsc_;
}
#endif // USE_LVGL
bool Image::get_binary_pixel_(int x, int y) const {
const uint32_t width_8 = ((this->width_ + 7u) / 8u) * 8u;
const uint32_t pos = x + y * width_8;

19
esphome/components/image/image.h
View File

@@ -1,6 +1,15 @@
#pragma once
#include "esphome/core/color.h"
#include "esphome/components/display/display_buffer.h"
#include "esphome/components/display/display.h"
#ifdef USE_LVGL
// required for clang-tidy
#ifndef LV_CONF_H
#define LV_CONF_SKIP 1 // NOLINT
#endif // LV_CONF_H
#include <lvgl.h>
#endif // USE_LVGL
namespace esphome {
namespace image {
@@ -37,7 +46,7 @@ class Image : public display::BaseImage {
Color get_pixel(int x, int y, Color color_on = display::COLOR_ON, Color color_off = display::COLOR_OFF) const;
int get_width() const override;
int get_height() const override;
const uint8_t *get_data_start() { return this->data_start_; }
const uint8_t *get_data_start() const { return this->data_start_; }
ImageType get_type() const;
void draw(int x, int y, display::Display *display, Color color_on, Color color_off) override;
@@ -45,6 +54,9 @@ class Image : public display::BaseImage {
void set_transparency(bool transparent) { transparent_ = transparent; }
bool has_transparency() const { return transparent_; }
#ifdef USE_LVGL
lv_img_dsc_t *get_lv_img_dsc();
#endif
protected:
bool get_binary_pixel_(int x, int y) const;
Color get_rgb24_pixel_(int x, int y) const;
@@ -57,6 +69,9 @@ class Image : public display::BaseImage {
ImageType type_;
const uint8_t *data_start_;
bool transparent_;
#ifdef USE_LVGL
lv_img_dsc_t dsc_{};
#endif
};
} // namespace image