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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.
61 lines
1.8 KiB
C++
61 lines
1.8 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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#include "EinkMessage.hpp"
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#include "ImageMessage.hpp"
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namespace service::eink
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{
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ImageMessage::ImageMessage(int contextId, ::gui::Context *context, ::gui::RefreshModes refreshMode)
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: contextId{contextId}, context{context}, refreshMode{refreshMode}
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{}
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auto ImageMessage::getContext() noexcept -> ::gui::Context *
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{
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return context;
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}
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auto ImageMessage::getRefreshMode() const noexcept -> ::gui::RefreshModes
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{
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return refreshMode;
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}
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auto ImageMessage::getContextId() const noexcept -> int
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{
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return contextId;
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}
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ImageDisplayedNotification::ImageDisplayedNotification(int contextId) : contextId{contextId}
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{}
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auto ImageDisplayedNotification::getContextId() const noexcept -> int
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{
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return contextId;
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}
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RefreshMessage::RefreshMessage(int contextId,
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hal::eink::EinkFrame refreshFrame,
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hal::eink::EinkRefreshMode refreshMode,
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const std::string &originalSender)
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: contextId(contextId), refreshFrame(refreshFrame), refreshMode(refreshMode), originalSender(originalSender)
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{}
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auto RefreshMessage::getContextId() const noexcept -> int
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{
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return contextId;
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}
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auto RefreshMessage::getRefreshFrame() noexcept -> hal::eink::EinkFrame
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{
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return refreshFrame;
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}
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auto RefreshMessage::getRefreshMode() const noexcept -> hal::eink::EinkRefreshMode
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{
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return refreshMode;
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}
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auto RefreshMessage::getOriginalSender() const noexcept -> const std::string &
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{
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return originalSender;
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}
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} // namespace service::eink
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