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https://github.com/mudita/MuditaOS.git
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49bbaf51a0
1. Implement partial refresh. 2. Implement refresh canceling mechanism. 3. Refactor some parts of the gui and display code. ad 1. - Detect parts of the screen changed since last update and merge them into bigger regions. These regions defines parts of the context sent to the display. - Refresh the region covering all of the parts since this is the most time consuming part and the size of the refreshed region doesn't change the time much. - Refresh the whole screen if deep refresh is requested and previously fast refresh was used. This is needed to prevent unwanted artifacts in some cases. ad 2. - Separate display update and refresh logic. - Divide image display message handling into two handlers, one updating and other one refreshing the screen. - Add cancel refresh message and use it to cancel refresh during update. - Store sum of refresh regions gathered during updates to refresh them all at once at the end.
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
// Copyright (c) 2017-2022, Mudita Sp. z.o.o. All rights reserved.
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// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
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#pragma once
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#include "EinkMessage.hpp"
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#include <hal/eink/AbstractEinkDisplay.hpp>
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#include <module-gui/gui/core/Context.hpp>
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#include <module-gui/gui/Common.hpp>
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#include <cstdint>
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namespace service::eink
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{
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class ImageMessage : public EinkMessage
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{
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public:
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ImageMessage(int contextId, ::gui::Context *context, ::gui::RefreshModes refreshMode);
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[[nodiscard]] auto getContextId() const noexcept -> int;
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[[nodiscard]] auto getContext() noexcept -> ::gui::Context *;
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[[nodiscard]] auto getRefreshMode() const noexcept -> ::gui::RefreshModes;
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private:
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int contextId;
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::gui::Context *context;
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::gui::RefreshModes refreshMode;
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};
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class ShutdownImageMessage : public ImageMessage
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{
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public:
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using ImageMessage::ImageMessage;
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};
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class ImageDisplayedNotification : public EinkMessage
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{
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public:
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explicit ImageDisplayedNotification(int contextId);
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[[nodiscard]] auto getContextId() const noexcept -> int;
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private:
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int contextId;
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};
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class RefreshMessage : public EinkMessage
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{
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public:
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RefreshMessage(int contextId,
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hal::eink::EinkFrame refreshBox,
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hal::eink::EinkRefreshMode refreshMode,
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const std::string &originalSender);
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[[nodiscard]] auto getContextId() const noexcept -> int;
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[[nodiscard]] auto getRefreshFrame() noexcept -> hal::eink::EinkFrame;
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[[nodiscard]] auto getRefreshMode() const noexcept -> hal::eink::EinkRefreshMode;
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[[nodiscard]] auto getOriginalSender() const noexcept -> const std::string &;
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private:
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int contextId;
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hal::eink::EinkFrame refreshFrame;
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hal::eink::EinkRefreshMode refreshMode;
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std::string originalSender;
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};
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class CancelRefreshMessage : public EinkMessage
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{};
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} // namespace service::eink
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