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Create 'frames' directory if not exists for screenshot #623

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merged 4 commits into from
Mar 3, 2016
Merged

Create 'frames' directory if not exists for screenshot #623

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f4912c8
Create 'frames' directory if not exists for screencapture
jslee02 Mar 2, 2016
143b1e7
Make fileBase local variable not modifiable for consistency
jslee02 Mar 2, 2016
4813bb0
Don't screenshot when 'frames' is not a directory printing a warning …
jslee02 Mar 2, 2016
7ca0af5
Return false when failed to screenshot
jslee02 Mar 2, 2016
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42 changes: 37 additions & 5 deletions dart/gui/GlutWindow.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -37,13 +37,20 @@

#include "dart/gui/GlutWindow.h"

#ifndef _WIN32
#ifdef _WIN32
#include <sys/types.h>
#include <sys/stat.h>
#include <direct.h>
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#endif
#include <cstdio>
#include <iostream>
#include <vector>

#include "dart/common/Console.h"
#include "dart/gui/LoadGlut.h"
#include "dart/gui/GLFuncs.h"
#include "dart/renderer/OpenGLRenderInterface.h"
Expand Down Expand Up @@ -154,13 +161,38 @@ void GlutWindow::runTimer(int _val) {

bool GlutWindow::screenshot() {
static int count = 0;
char fileBase[32] = "frames/Capture";
char fileName[64];
const char directory[8] = "frames";
const char fileBase[8] = "Capture";
char fileName[32];

// create frames directory if not exists
using Stat = struct stat;
Stat buff;

#ifdef _WIN32
#define __S_ISTYPE(mode, mask) (((mode) & _S_IFMT) == (mask))
#define S_ISDIR(mode) __S_ISTYPE((mode), _S_IFDIR)
if (stat(directory, &buff) != 0)
_mkdir(directory);
#else
if (stat(directory, &buff) != 0)
mkdir(directory, 0777);
#endif

if (!S_ISDIR(buff.st_mode))
{
dtwarn << "[GlutWindow::screenshot] 'frames' is not a directory, "
<< "cannot write a screenshot\n";
return false;
}

// png
#ifdef _WIN32
_snprintf(fileName, sizeof(fileName), "%s%.4d.png", fileBase, count++);
_snprintf(fileName, sizeof(fileName), "%s%s%s%.4d.png",
directory, "\\", fileBase, count++);
#else
std::snprintf(fileName, sizeof(fileName), "%s%.4d.png", fileBase, count++);
std::snprintf(fileName, sizeof(fileName), "%s%s%s%.4d.png",
directory, "/", fileBase, count++);
#endif
int tw = glutGet(GLUT_WINDOW_WIDTH);
int th = glutGet(GLUT_WINDOW_HEIGHT);
Expand Down