sascha/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2025-09-12 08:12:22 +01:00
Code Issues Releases Wiki Activity

[image] Transparency changes; code refactor (#7908)

Browse Source
This commit is contained in:
Clyde Stubbs
2025-01-13 14:21:42 +11:00
committed by GitHub
parent aa87c60717
commit f1c0570e3b
27 changed files with 845 additions and 787 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
esphome/components/online_image/image_decoder.h
View File

@@ -1,5 +1,4 @@
#pragma once
#include "esphome/core/defines.h"
#include "esphome/core/color.h"
namespace esphome {
@@ -23,7 +22,7 @@ class ImageDecoder {
/**
* @brief Initialize the decoder.
*
* @param download_size The total number of bytes that need to be download for the image.
* @param download_size The total number of bytes that need to be downloaded for the image.
*/
virtual void prepare(uint32_t download_size) { this->download_size_ = download_size; }
@@ -38,7 +37,7 @@ class ImageDecoder {
* @return int The amount of bytes read. It can be 0 if the buffer does not have enough content to meaningfully
* decode anything, or negative in case of a decoding error.
*/
virtual int decode(uint8_t *buffer, size_t size);
virtual int decode(uint8_t *buffer, size_t size) = 0;
/**
* @brief Request the image to be resized once the actual dimensions are known.
@@ -50,7 +49,7 @@ class ImageDecoder {
void set_size(int width, int height);
/**
* @brief Draw a rectangle on the display_buffer using the defined color.
* @brief Fill a rectangle on the display_buffer using the defined color.
* Will check the given coordinates for out-of-bounds, and clip the rectangle accordingly.
* In case of binary displays, the color will be converted to binary as well.
* Called by the callback functions, to be able to access the parent Image class.
@@ -59,7 +58,7 @@ class ImageDecoder {
* @param y The top-most coordinate of the rectangle.
* @param w The width of the rectangle.
* @param h The height of the rectangle.
* @param color The color to draw the rectangle with.
* @param color The fill color
*/
void draw(int x, int y, int w, int h, const Color &color);
@@ -67,7 +66,7 @@ class ImageDecoder {
protected:
OnlineImage *image_;
// Initializing to 1, to ensure it is different than initial "decoded_bytes_".
// Initializing to 1, to ensure it is distinguishable from initial "decoded_bytes_".
// Will be overwritten anyway once the download size is known.
uint32_t download_size_ = 1;
uint32_t decoded_bytes_ = 0;