mirror of
https://github.com/openharmony/graphic_ui.git
synced 2026-06-30 23:17:56 -04:00
mamingshuai
96 lines
2.8 KiB
C++
Executable File
96 lines
2.8 KiB
C++
Executable File
/*
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "common/image.h"
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#include "components/ui_checkbox.h"
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#include "default_resource/check_box_res.h"
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#include "draw/draw_image.h"
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#include "draw/draw_rect.h"
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#include "imgdecode/cache_manager.h"
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namespace OHOS {
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UICheckBox::UICheckBox()
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: state_(UNSELECTED), onStateChangeListener_(nullptr)
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{
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touchable_ = true;
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style_ = &(StyleDefault::GetBackgroundTransparentStyle());
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image_[UNSELECTED].SetSrc(GetCheckBoxOffInfo());
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image_[SELECTED].SetSrc(GetCheckBoxOnInfo());
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ImageHeader header = { 0 };
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image_[UNSELECTED].GetHeader(header);
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Resize(header.width, header.height);
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}
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UICheckBox::~UICheckBox()
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{
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}
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void UICheckBox::SetState(UICheckBoxState state)
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{
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if (state != state_) {
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state_ = state;
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if (onStateChangeListener_ != nullptr) {
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onStateChangeListener_->OnChange(state);
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}
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Invalidate();
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}
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}
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void UICheckBox::ReverseState()
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{
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state_ = (state_ == SELECTED) ? UNSELECTED : SELECTED;
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}
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bool UICheckBox::OnClickEvent(const ClickEvent& event)
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{
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ReverseState();
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Invalidate();
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return UIView::OnClickEvent(event);
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}
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void UICheckBox::SetImages(const char* selectedImageSrc, const char* unselectedImageSrc)
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{
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image_[SELECTED].SetSrc(selectedImageSrc);
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image_[UNSELECTED].SetSrc(unselectedImageSrc);
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}
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void UICheckBox::SetImages(const ImageInfo* selectedImageSrc, const ImageInfo* unselectedImageSrc)
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{
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image_[SELECTED].SetSrc(selectedImageSrc);
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image_[UNSELECTED].SetSrc(unselectedImageSrc);
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}
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void UICheckBox::OnDraw(const Rect& invalidatedArea)
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{
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ImageHeader header = {0};
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image_[state_].GetHeader(header);
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int16_t imgWidth = header.width;
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int16_t imgHeight = header.height;
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Rect coords = GetContentRect();
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coords.SetWidth(imgWidth);
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coords.SetHeight(imgHeight);
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DrawRect::Draw(GetRect(), invalidatedArea, *style_, opaScale_);
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int16_t offsetLeft = (GetWidth() - imgWidth) / 2; // 2 : half
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int16_t offsetTop = (GetHeight() - imgHeight) / 2; // 2 : half
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coords.SetX(coords.GetX() + offsetLeft);
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coords.SetY(coords.GetY() + offsetTop);
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Rect trunc = invalidatedArea;
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if (trunc.Intersect(trunc, coords)) {
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image_[state_].DrawImage(coords, trunc, *style_, opaScale_);
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}
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}
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} // namespace OHOS
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