128 lines
1.8 KiB
C++
128 lines
1.8 KiB
C++
#ifndef CORONA_UTILITY_H
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#define CORONA_UTILITY_H
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#include <algorithm>
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#include "corona.h"
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#include "Types.h"
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#define COR_EXPORT(ret) COR_FUNCTION(ret)
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#if defined(_MSC_VER) && _MSC_VER <= 1200
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// define our own std::min and std::max in VC6
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namespace std {
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template<typename T>
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T min(T a, T b) {
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return a < b ? a : b;
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}
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template<typename T>
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T max(T a, T b) {
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return a > b ? a : b;
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}
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}
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#endif
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namespace corona {
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template<typename T>
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class auto_array {
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public:
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explicit auto_array(T* initial = 0) {
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array = initial;
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}
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~auto_array() {
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delete[] array;
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}
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operator T*() const {
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return array;
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}
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T* get() const {
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return array;
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}
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T* release() {
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T* old = array;
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array = 0;
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return old;
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}
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auto_array<T>& operator=(T* a) {
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if (array != a) {
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delete array;
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array = a;
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}
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return *this;
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}
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private:
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T* array;
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};
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inline u16 read16_le(const byte* b) {
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return b[0] + (b[1] << 8);
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}
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inline void write16_le(byte* b, u16 value) {
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b[0] = value & 0xFF;
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b[1] = value >> 8;
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}
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inline u16 read16_be(const byte* b) {
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return (b[0] << 8) + b[1];
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}
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inline void write16_be(byte* b, u16 value) {
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b[0] = value >> 8;
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b[1] = value & 0xFF;
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}
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inline u32 read32_le(const byte* b) {
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return read16_le(b) + (read16_le(b + 2) << 16);
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}
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inline u32 read32_be(const byte* b) {
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return (read16_be(b) << 16) + read16_be(b + 2);
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}
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struct RGB {
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byte red;
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byte green;
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byte blue;
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};
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struct RGBA {
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byte red;
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byte green;
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byte blue;
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byte alpha;
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};
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struct BGR {
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byte blue;
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byte green;
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byte red;
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};
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struct BGRA {
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byte blue;
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byte green;
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byte red;
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byte alpha;
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};
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}
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#endif
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