obs-StreamFX/source/util-math.cpp
Michael Fabian 'Xaymar' Dirks 9be02e6f2b project: Fix up previous commit
2019-08-04 20:29:04 +02:00

123 lines
2.6 KiB
C++

/*
* Modern effects for a modern Streamer
* Copyright (C) 2017 Michael Fabian Dirks
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "util-math.hpp"
#include <cctype>
#include <cstdlib>
#include "util-memory.hpp"
void* util::vec2a::operator new(size_t count)
{
return util::malloc_aligned(16, count);
}
void* util::vec2a::operator new[](size_t count)
{
return util::malloc_aligned(16, count);
}
void util::vec2a::operator delete(void* p)
{
util::free_aligned(p);
}
void util::vec2a::operator delete[](void* p)
{
util::free_aligned(p);
}
void* util::vec3a::operator new(size_t count)
{
return util::malloc_aligned(16, count);
}
void* util::vec3a::operator new[](size_t count)
{
return util::malloc_aligned(16, count);
}
void util::vec3a::operator delete(void* p)
{
util::free_aligned(p);
}
void util::vec3a::operator delete[](void* p)
{
util::free_aligned(p);
}
void* util::vec4a::operator new(size_t count)
{
return util::malloc_aligned(16, count);
}
void* util::vec4a::operator new[](size_t count)
{
return util::malloc_aligned(16, count);
}
void util::vec4a::operator delete(void* p)
{
util::free_aligned(p);
}
void util::vec4a::operator delete[](void* p)
{
util::free_aligned(p);
}
std::pair<int64_t, int64_t> util::size_from_string(std::string text, bool allowSquare)
{
int64_t width, height;
const char* begin = text.c_str();
const char* end = text.c_str() + text.size() + 1;
char* here = const_cast<char*>(end);
long long res = strtoll(begin, &here, 0);
if (errno == ERANGE) {
return {0, 0};
}
width = res;
while (here != end) {
if (isdigit(*here) || (*here == '-') || (*here == '+')) {
break;
}
here++;
}
if (here == end) {
// Are we allowed to return a square?
if (allowSquare) {
// Yes: Return width,width.
return {width, width};
} else {
// No: Return width,0.
return {width, 0};
}
}
res = strtoll(here, nullptr, 0);
if (errno == ERANGE) {
return {width, 0};
}
height = res;
return {width, height};
}