mirror of
https://github.com/Tencent/Hippy.git
synced 2026-10-22 00:45:15 +08:00
luomy
80 lines
2.4 KiB
Objective-C
80 lines
2.4 KiB
Objective-C
/*!
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* iOS SDK
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*
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* Tencent is pleased to support the open source community by making
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* NativeRender available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company.
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* All rights reserved.
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*
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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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#import "HPToolUtils.h"
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#import "NativeRenderUtils.h"
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CGFloat NativeRenderScreenScale(void) {
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static CGFloat scale = CGFLOAT_MAX;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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scale = [UIScreen mainScreen].scale;
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});
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return scale;
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}
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CGSize NativeRenderScreenSize(void) {
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static CGSize size = { 0, 0 };
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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size = [UIScreen mainScreen].bounds.size;
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});
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return size;
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}
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CGFloat NativeRenderRoundPixelValue(CGFloat value) {
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CGFloat scale = NativeRenderScreenScale();
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return round(value * scale) / scale;
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}
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CGFloat NativeRenderCeilPixelValue(CGFloat value) {
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CGFloat scale = NativeRenderScreenScale();
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return ceil(value * scale) / scale;
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}
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CGFloat NativeRenderFloorPixelValue(CGFloat value) {
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CGFloat scale = NativeRenderScreenScale();
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return floor(value * scale) / scale;
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}
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CGSize NativeRenderSizeInPixels(CGSize pointSize, CGFloat scale) {
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return (CGSize) {
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ceil(pointSize.width * scale),
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ceil(pointSize.height * scale),
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};
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}
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BOOL NativeRenderCGRectNearlyEqual(CGRect frame1, CGRect frame2) {
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return NativeRenderCGPointNearlyEqual(frame1.origin, frame2.origin) &&
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NativeRenderCGSizeNearlyEqual(frame1.size, frame2.size);
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}
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BOOL NativeRenderCGPointNearlyEqual(CGPoint point1, CGPoint point2) {
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return fabs(point1.x - point2.x) < CGFLOAT_EPSILON &&
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fabs(point1.y - point2.y) < CGFLOAT_EPSILON;
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}
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BOOL NativeRenderCGSizeNearlyEqual(CGSize size1, CGSize size2) {
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return fabs(size1.width - size2.width) < CGFLOAT_EPSILON &&
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fabs(size1.height - size2.height) < CGFLOAT_EPSILON;
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}
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