566e53c700
We used to (incidentally) guard for this when we used bitmapdevice as our backnig. Now that we have a (faster) nodrawdevice, we need to explicitly guard for it. BUG=skia: Change-Id: I9cbbf064cbfced78f0004a2e5aff60aa3ded6215 Reviewed-on: https://skia-review.googlesource.com/9530 Reviewed-by: Derek Sollenberger <djsollen@google.com> Commit-Queue: Mike Reed <reed@google.com>
118 lines
2.5 KiB
C++
118 lines
2.5 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkSize_DEFINED
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#define SkSize_DEFINED
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#include "SkScalar.h"
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template <typename T> struct SkTSize {
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T fWidth;
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T fHeight;
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static SkTSize Make(T w, T h) {
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SkTSize s;
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s.fWidth = w;
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s.fHeight = h;
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return s;
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}
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static SkTSize MakeEmpty() {
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return {0, 0};
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}
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void set(T w, T h) {
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fWidth = w;
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fHeight = h;
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}
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/** Returns true iff fWidth == 0 && fHeight == 0
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*/
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bool isZero() const {
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return 0 == fWidth && 0 == fHeight;
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}
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/** Returns true if either widht or height are <= 0 */
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bool isEmpty() const {
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return fWidth <= 0 || fHeight <= 0;
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}
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/** Set the width and height to 0 */
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void setEmpty() {
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fWidth = fHeight = 0;
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}
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T width() const { return fWidth; }
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T height() const { return fHeight; }
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/** If width or height is < 0, it is set to 0 */
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void clampNegToZero() {
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if (fWidth < 0) {
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fWidth = 0;
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}
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if (fHeight < 0) {
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fHeight = 0;
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}
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}
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bool equals(T w, T h) const {
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return fWidth == w && fHeight == h;
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}
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};
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template <typename T>
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static inline bool operator==(const SkTSize<T>& a, const SkTSize<T>& b) {
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return a.fWidth == b.fWidth && a.fHeight == b.fHeight;
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}
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template <typename T>
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static inline bool operator!=(const SkTSize<T>& a, const SkTSize<T>& b) {
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return !(a == b);
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}
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///////////////////////////////////////////////////////////////////////////////
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typedef SkTSize<int32_t> SkISize;
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struct SkSize : public SkTSize<SkScalar> {
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static SkSize Make(SkScalar w, SkScalar h) {
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SkSize s;
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s.fWidth = w;
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s.fHeight = h;
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return s;
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}
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static SkSize Make(const SkISize& src) {
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return Make(SkIntToScalar(src.width()), SkIntToScalar(src.height()));
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}
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SkSize& operator=(const SkISize& src) {
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this->set(SkIntToScalar(src.fWidth), SkIntToScalar(src.fHeight));
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return *this;
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}
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SkISize toRound() const {
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SkISize s;
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s.set(SkScalarRoundToInt(fWidth), SkScalarRoundToInt(fHeight));
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return s;
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}
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SkISize toCeil() const {
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SkISize s;
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s.set(SkScalarCeilToInt(fWidth), SkScalarCeilToInt(fHeight));
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return s;
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}
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SkISize toFloor() const {
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SkISize s;
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s.set(SkScalarFloorToInt(fWidth), SkScalarFloorToInt(fHeight));
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return s;
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}
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};
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#endif
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