xref: /foundation/arkui/ui_lite/frameworks/components/ui_label_button.cpp

/*
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "components/ui_label_button.h"
#include "common/typed_text.h"
#include "draw/draw_label.h"
#include "font/ui_font.h"

namespace OHOS {
UILabelButton::UILabelButton() : labelButtonText_(nullptr), offset_({ 0, 0 })
{
    labelStyle_ = StyleDefault::GetDefaultStyle();
}

void UILabelButton::OnDraw(BufferInfo& gfxDstBuffer, const Rect& invalidatedArea)
{
    UIButton::OnDraw(gfxDstBuffer, invalidatedArea);

    Rect textRect = GetContentRect();
    textRect.SetLeft(textRect.GetLeft() + offset_.x);
    textRect.SetTop(textRect.GetTop() + offset_.y);
    InitLabelButtonText();
    labelButtonText_->ReMeasureTextSize(textRect, labelStyle_);
    OpacityType opa = GetMixOpaScale();
    uint16_t ellipsisIndex = labelButtonText_->GetEllipsisIndex(textRect, labelStyle_);
    labelButtonText_->OnDraw(gfxDstBuffer, invalidatedArea, GetOrigRect(), textRect, 0,
                             labelStyle_, ellipsisIndex, opa);
}

UILabelButton::~UILabelButton()
{
    if (labelButtonText_ != nullptr) {
        delete labelButtonText_;
        labelButtonText_ = nullptr;
    }
}
}  // namespace OHOS