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Make the use of OPENCV_DIR on Windows match that of the OpenCV docs

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This commit is contained in:
cascade256 2016-01-09 23:03:35 -08:00
parent 9fd5d28f6a
commit 56f27f9e23
2 changed files with 19 additions and 59 deletions
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12
README.md
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@ -16,16 +16,18 @@ cool, I'd love to hear about it!
You'll need OpenCV 2.3.1 or newer installed before installing node-opencv.
## Specific for Windows
1. Download and install opencv (Be sure to use a 2.4 version) @
1. Download and install OpenCV (Be sure to use a 2.4 version) @
http://opencv.org/downloads.html
For these instructions we will assume OpenCV is put at C:\OpenCV, but you can
adjust accordingly.
2. Add the following to your PATH variable
C:\OpenCV\build\x64\vc12\bin;
The "x64" needs to match the version of NodeJS you are using.
2. If you haven't already, create a system variable called OPENCV_DIR and set it
to C:\OpenCV\build\x64\vc12
Also set OPENCV_DIR to C:\OpenCV\build
Make sure the "x64" part matches the version of NodeJS you are using.
Also add the following to your system PATH
;%OPENCV_DIR%\bin
3. Install Visual Studio 2013. Make sure to get the C++ components.
You can use a different edition, just make sure OpenCV supports it, and you

66
utils/find-opencv.js
View File

@ -3,13 +3,15 @@ var fs = require("fs");
var flag = process.argv[2];
function main(){
//Try using pkg-config, but if it fails and it is on Windows, try the fallback
exec("pkg-config opencv " + flag, function(error, stdout, stderr){
if(error){
if(process.platform === "win32"){
fallback();
}
else{
throw new Error("ERROR: pkg-config couldn't find OpenCV");
}
}
else{
console.log(stdout);
@ -23,33 +25,28 @@ function fallback(){
exec("echo %OPENCV_DIR%", function(error, stdout, stderr){
stdout = cleanupEchoOutput(stdout);
if(error){
console.log("ERROR: There was an error reading OPENCV_DIR");
throw new Error("ERROR: There was an error reading OPENCV_DIR");
}
else if(stdout === "%OPENCV_DIR%") {
console.log("ERROR: OPENCV_DIR doesn't seem to be defined");
throw new Error("ERROR: OPENCV_DIR doesn't seem to be defined");
}
else {
getVisualStudioVersion(function(version){
getProcessArch(function(bits){
printPaths(stdout, version, bits);
});
});
printPaths(stdout);
}
});
}
function printPaths(opencvPath, version, bits){
function printPaths(opencvPath){
if(flag === "--cflags") {
console.log("\"" + opencvPath + "include\"");
console.log("\"" + opencvPath + "include\\opencv\"");
console.log("\"" + opencvPath + "\\..\\..\\include\"");
console.log("\"" + opencvPath + "\\..\\..\\include\\opencv\"");
}
else if(flag === "--libs") {
var libPath = opencvPath + bits + "\\vc" + version + "\\lib\\";
var libPath = opencvPath + "\\lib\\";
fs.readdir(libPath, function(err, files){
if(err){
console.log("ERROR: couldn't read the lib directory");
console.log(err);
throw new Error("ERROR: couldn't read the lib directory " + err);
}
var libs = "";
@ -62,49 +59,10 @@ function printPaths(opencvPath, version, bits){
});
}
else {
console.log("Error: unknown argument '" + flag + "'");
throw new Error("Error: unknown argument '" + flag + "'");
}
}
//This gets the architecture of the NodeJS that is running this script,
//either x86 or x64
function getProcessArch(cb){
exec("echo %PROCESSOR_ARCHITECTURE%", function(error, stdout, stderr) {
if(!error) {
var arch = cleanupEchoOutput(stdout);
if(arch === "AMD64"){
cb("x64");
}
else if(arch === "x86"){
cb("x86");
}
else {
console.log("ERROR: Unrecognized architecture");
}
}
else {
console.log("ERROR: There was an error getting the architecture");
}
});
}
function getVisualStudioVersion(cb, version){
if(typeof(version) === "undefined") version = 11;
exec("reg query HKEY_CLASSES_ROOT\\VisualStudio.DTE." + version + ".0",
function(error, stdout, stderr){
if(!error){
cb(version);
}
else if(version < 13) {
//Try the next version
getVisualStudioVersion(cb, version + 1);
}
else {
console.log("ERROR: Can't find Visual Studio");
}
});
}
function cleanupEchoOutput(s){
return s.slice(0, s.length - 2);
}