6a5a2667a7
git-svn-id: http://skia.googlecode.com/svn/trunk@172 2bbb7eff-a529-9590-31e7-b0007b416f81
78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
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#ifndef SkSize_DEFINED
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#define SkSize_DEFINED
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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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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 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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/** 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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};
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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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struct SkISize : public SkTSize<int32_t> {};
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#include "SkScalar.h"
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struct SkSize : public SkTSize<SkScalar> {
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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 round() const {
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SkISize s;
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s.set(SkScalarRound(fWidth), SkScalarRound(fHeight));
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return s;
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}
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SkISize ceil() const {
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SkISize s;
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s.set(SkScalarCeil(fWidth), SkScalarCeil(fHeight));
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return s;
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}
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SkISize floor() const {
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SkISize s;
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s.set(SkScalarFloor(fWidth), SkScalarFloor(fHeight));
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return s;
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}
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};
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#endif
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