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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /media/omx-plugin/include/ics/ui/Rect.h
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Add m-esr52 at 52.6.0
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+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef ANDROID_UI_RECT
+#define ANDROID_UI_RECT
+
+#include <utils/TypeHelpers.h>
+#include <ui/Point.h>
+
+#include <android/rect.h>
+
+namespace android {
+
+class Rect : public ARect
+{
+public:
+ typedef ARect::value_type value_type;
+
+ // we don't provide copy-ctor and operator= on purpose
+ // because we want the compiler generated versions
+
+ inline Rect() {
+ }
+ inline Rect(int32_t w, int32_t h) {
+ left = top = 0; right = w; bottom = h;
+ }
+ inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) {
+ left = l; top = t; right = r; bottom = b;
+ }
+ inline Rect(const Point& lt, const Point& rb) {
+ left = lt.x; top = lt.y; right = rb.x; bottom = rb.y;
+ }
+
+ void makeInvalid();
+
+ inline void clear() {
+ left = top = right = bottom = 0;
+ }
+
+ // a valid rectangle has a non negative width and height
+ inline bool isValid() const {
+ return (width()>=0) && (height()>=0);
+ }
+
+ // an empty rect has a zero width or height, or is invalid
+ inline bool isEmpty() const {
+ return (width()<=0) || (height()<=0);
+ }
+
+ inline void set(const Rect& rhs) {
+ operator = (rhs);
+ }
+
+ // rectangle's width
+ inline int32_t width() const {
+ return right-left;
+ }
+
+ // rectangle's height
+ inline int32_t height() const {
+ return bottom-top;
+ }
+
+ void setLeftTop(const Point& lt) {
+ left = lt.x;
+ top = lt.y;
+ }
+
+ void setRightBottom(const Point& rb) {
+ right = rb.x;
+ bottom = rb.y;
+ }
+
+ // the following 4 functions return the 4 corners of the rect as Point
+ Point leftTop() const {
+ return Point(left, top);
+ }
+ Point rightBottom() const {
+ return Point(right, bottom);
+ }
+ Point rightTop() const {
+ return Point(right, top);
+ }
+ Point leftBottom() const {
+ return Point(left, bottom);
+ }
+
+ // comparisons
+ inline bool operator == (const Rect& rhs) const {
+ return (left == rhs.left) && (top == rhs.top) &&
+ (right == rhs.right) && (bottom == rhs.bottom);
+ }
+
+ inline bool operator != (const Rect& rhs) const {
+ return !operator == (rhs);
+ }
+
+ // operator < defines an order which allows to use rectangles in sorted
+ // vectors.
+ bool operator < (const Rect& rhs) const;
+
+ Rect& offsetToOrigin() {
+ right -= left;
+ bottom -= top;
+ left = top = 0;
+ return *this;
+ }
+ Rect& offsetTo(const Point& p) {
+ return offsetTo(p.x, p.y);
+ }
+ Rect& offsetBy(const Point& dp) {
+ return offsetBy(dp.x, dp.y);
+ }
+ Rect& operator += (const Point& rhs) {
+ return offsetBy(rhs.x, rhs.y);
+ }
+ Rect& operator -= (const Point& rhs) {
+ return offsetBy(-rhs.x, -rhs.y);
+ }
+ const Rect operator + (const Point& rhs) const;
+ const Rect operator - (const Point& rhs) const;
+
+ void translate(int32_t dx, int32_t dy) { // legacy, don't use.
+ offsetBy(dx, dy);
+ }
+
+ Rect& offsetTo(int32_t x, int32_t y);
+ Rect& offsetBy(int32_t x, int32_t y);
+ bool intersect(const Rect& with, Rect* result) const;
+};
+
+ANDROID_BASIC_TYPES_TRAITS(Rect)
+
+}; // namespace android
+
+#endif // ANDROID_UI_RECT