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reformat Rect.{cpp|h}

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Change-Id: I45b1f6646541a1abacce1e70df00a770e47b820e
This commit is contained in:
Mathias Agopian 2013-05-09 20:37:10 -07:00
parent b6df7d0e4c
commit 6c7f25afb7
5 changed files with 70 additions and 64 deletions
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70
include/ui/Rect.h
View File

@ -35,14 +35,25 @@ public:
inline Rect() {
}
inline Rect(int32_t w, int32_t h) {
left = top = 0; right = w; bottom = 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;
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;
left = lt.x;
top = lt.y;
right = rb.x;
bottom = rb.y;
}
void makeInvalid();
@ -53,43 +64,36 @@ public:
// a valid rectangle has a non negative width and height
inline bool isValid() const {
return (width()>=0) && (height()>=0);
return (getWidth() >= 0) && (getHeight() >= 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);
return (getWidth() <= 0) || (getHeight() <= 0);
}
// rectangle's width
inline int32_t getWidth() const {
return right-left;
return right - left;
}
// rectangle's height
inline int32_t getHeight() const {
return bottom-top;
return bottom - top;
}
inline Rect getBounds() const {
return Rect(right-left, bottom-top);
return Rect(right - left, bottom - top);
}
inline int32_t width() const { return getWidth(); }
inline int32_t height() const { return getHeight(); }
void setLeftTop(const Point& lt) {
left = lt.x;
top = lt.y;
top = lt.y;
}
void setRightBottom(const Point& rb) {
right = rb.x;
bottom = rb.y;
bottom = rb.y;
}
// the following 4 functions return the 4 corners of the rect as Point
@ -120,6 +124,16 @@ public:
// vectors.
bool operator < (const Rect& rhs) const;
const Rect operator + (const Point& rhs) const;
const Rect operator - (const Point& rhs) const;
Rect& operator += (const Point& rhs) {
return offsetBy(rhs.x, rhs.y);
}
Rect& operator -= (const Point& rhs) {
return offsetBy(-rhs.x, -rhs.y);
}
Rect& offsetToOrigin() {
right -= left;
bottom -= top;
@ -132,22 +146,11 @@ public:
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);
Rect& offsetTo(int32_t x, int32_t y);
Rect& offsetBy(int32_t x, int32_t y);
bool intersect(const Rect& with, Rect* result) const;
bool intersect(const Rect& with, Rect* result) const;
// Create a new Rect by transforming this one using a graphics HAL
// transform. This rectangle is defined in a coordinate space starting at
@ -156,6 +159,11 @@ public:
// (height, width). Otherwise the output rectangle is in the same space as
// the input.
Rect transform(uint32_t xform, int32_t width, int32_t height) const;
// for backward compatibility
inline int32_t width() const { return getWidth(); }
inline int32_t height() const { return getHeight(); }
inline void set(const Rect& rhs) { operator = (rhs); }
};
ANDROID_BASIC_TYPES_TRAITS(Rect)

54
libs/ui/Rect.cpp
View File

@ -20,11 +20,11 @@
namespace android {
static inline int32_t min(int32_t a, int32_t b) {
return (a<b) ? a : b;
return (a < b) ? a : b;
}
static inline int32_t max(int32_t a, int32_t b) {
return (a>b) ? a : b;
return (a > b) ? a : b;
}
void Rect::makeInvalid() {
@ -34,18 +34,17 @@ void Rect::makeInvalid() {
bottom = -1;
}
bool Rect::operator < (const Rect& rhs) const
{
if (top<rhs.top) {
bool Rect::operator <(const Rect& rhs) const {
if (top < rhs.top) {
return true;
} else if (top == rhs.top) {
if (left < rhs.left) {
return true;
} else if (left == rhs.left) {
if (bottom<rhs.bottom) {
if (bottom < rhs.bottom) {
return true;
} else if (bottom == rhs.bottom) {
if (right<rhs.right) {
if (right < rhs.right) {
return true;
}
}
@ -54,8 +53,7 @@ bool Rect::operator < (const Rect& rhs) const
return false;
}
Rect& Rect::offsetTo(int32_t x, int32_t y)
{
Rect& Rect::offsetTo(int32_t x, int32_t y) {
right -= left - x;
bottom -= top - y;
left = x;
@ -63,45 +61,41 @@ Rect& Rect::offsetTo(int32_t x, int32_t y)
return *this;
}
Rect& Rect::offsetBy(int32_t x, int32_t y)
{
Rect& Rect::offsetBy(int32_t x, int32_t y) {
left += x;
top += y;
right+= x;
bottom+=y;
top += y;
right += x;
bottom += y;
return *this;
}
const Rect Rect::operator + (const Point& rhs) const
{
const Rect result(left+rhs.x, top+rhs.y, right+rhs.x, bottom+rhs.y);
const Rect Rect::operator +(const Point& rhs) const {
const Rect result(left + rhs.x, top + rhs.y, right + rhs.x, bottom + rhs.y);
return result;
}
const Rect Rect::operator - (const Point& rhs) const
{
const Rect result(left-rhs.x, top-rhs.y, right-rhs.x, bottom-rhs.y);
const Rect Rect::operator -(const Point& rhs) const {
const Rect result(left - rhs.x, top - rhs.y, right - rhs.x, bottom - rhs.y);
return result;
}
bool Rect::intersect(const Rect& with, Rect* result) const
{
result->left = max(left, with.left);
result->top = max(top, with.top);
result->right = min(right, with.right);
result->bottom = min(bottom, with.bottom);
bool Rect::intersect(const Rect& with, Rect* result) const {
result->left = max(left, with.left);
result->top = max(top, with.top);
result->right = min(right, with.right);
result->bottom = min(bottom, with.bottom);
return !(result->isEmpty());
}
Rect Rect::transform(uint32_t xform, int32_t width, int32_t height) const {
Rect result(*this);
if (xform & HAL_TRANSFORM_FLIP_H) {
result = Rect(width - result.right, result.top,
width - result.left, result.bottom);
result = Rect(width - result.right, result.top, width - result.left,
result.bottom);
}
if (xform & HAL_TRANSFORM_FLIP_V) {
result = Rect(result.left, height - result.bottom,
result.right, height - result.top);
result = Rect(result.left, height - result.bottom, result.right,
height - result.top);
}
if (xform & HAL_TRANSFORM_ROT_90) {
int left = height - result.bottom;

2
libs/ui/Region.cpp
View File

@ -697,7 +697,7 @@ void Region::translate(Region& reg, int dx, int dy)
size_t count = reg.mStorage.size();
Rect* rects = reg.mStorage.editArray();
while (count) {
rects->translate(dx, dy);
rects->offsetBy(dx, dy);
rects++;
count--;
}

2
services/surfaceflinger/DisplayDevice.cpp
View File

@ -416,7 +416,7 @@ void DisplayDevice::setProjection(int orientation,
mScissor = mGlobalTransform.transform(viewport);
if (mScissor.isEmpty()) {
mScissor.set(getBounds());
mScissor = getBounds();
}
mOrientation = orientation;

4
services/surfaceflinger/Layer.cpp
View File

@ -276,6 +276,8 @@ Rect Layer::computeBounds() const {
if (!s.active.crop.isEmpty()) {
win.intersect(s.active.crop, &win);
}
// subtract the transparent region and snap to the bounds
win = Region(win).subtract(s.activeTransparentRegion).getBounds();
return win;
}
@ -666,6 +668,8 @@ void Layer::computeGeometry(const sp<const DisplayDevice>& hw, LayerMesh* mesh)
if (!s.active.crop.isEmpty()) {
win.intersect(s.active.crop, &win);
}
// subtract the transparent region and snap to the bounds
win = Region(win).subtract(s.activeTransparentRegion).getBounds();
if (mesh) {
tr.transform(mesh->mVertices[0], win.left, win.top);
tr.transform(mesh->mVertices[1], win.left, win.bottom);