使用QGraphicsScene显示矩形框
int main(int argc, char *argv[])
{
QApplication app(argc,argv);
QGraphicsScene scene;
scene.setSceneRect(0,0,3000,3000);
for(int i=0;i<32;i++)
{
for(int j=0;j<12;j++)
{
QGraphicsRectItem* item = new QGraphicsRectItem(20+300*i,20+120*j,240,72);
item->setBrush(QColor(79,136,187,255));
scene.addItem(item);
}
}
QGraphicsView view(&scene);
view.setDragMode(QGraphicsView::ScrollHandDrag);
view.resize(600,540);
view.show();
return app.exec();
}
摘要: 最近想做个基于Opengl的GUI试了下SFML发现其String类对宽字节转换有问题，就修改了下String并重命名为Utf8使用这个应该可以正确显示中文该类修改如下:Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->/////////////////...
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import QtQuick 1.1
Text
{
Timer
{
triggeredOnStart: true
onTriggered: parent.text = Qt.formatTime(new Date())
interval: 1000; running: visible; repeat: true;
}
font.pixelSize: 32
font.family: "sans-serif"
font.bold: true
color: "#a1ff09"
}
import QtQuick 2.0
import QtQuick.Controls 1.3
import QtQuick.Window 2.2
ApplicationWindow
{
id: window
visible: true
title: qsTr("Hello World")
width: 480
height: 480
color: "#339546"
property variant colorArray: ["#00bde3","#67c111","#ea7025","#ef0748","#1894af"]
Column
{
id: flow
spacing: 2
anchors.fill: parent
Grid
{
anchors.margins: 8
spacing:2
Repeater
{
model: 12
Rectangle
{
id: flag
width: 120
height: 0
property int colorIndex: Math.floor(Math.random()*5)
color: window.colorArray[colorIndex]
border.color: Qt.lighter(color)
Text
{
anchors.centerIn: parent
color: "#f0f0f0"
font.pixelSize: 18
text: qsTr("WPS表单")
}
MouseArea
{
anchors.fill: parent
onClicked:
{
animateColor.start()
animateOpacity.start()
}
}
PropertyAnimation
{
id: animateColor;
target: flag;
properties: "color";
to: "green";
duration: 100
}
NumberAnimation
{
id: animateOpacity
target: flag
properties: "opacity"
from: 0.99
to: 1.0
loops: Animation.Infinite
easing {type: Easing.OutBack; overshoot: 500}
}
PropertyAnimation on height{to: 24 ;duration:600; loops:Animation.Infinite }
}
}
}
Rectangle
{
id: desc
width: 486
height: 0
property int colorIndex: Math.floor(Math.random()*5)
color: window.colorArray[colorIndex]
border.color: Qt.lighter(color)
Text
{
anchors.centerIn: parent
color: "#f0f0f0"
font.pixelSize: 18
text: qsTr("描述信息")
}
PropertyAnimation on height{to: 32 ;duration:600; loops:Animation.Infinite }
}
Rectangle
{
id: detail
width: 486
height: 0
property int colorIndex: Math.floor(Math.random()*5)
color: window.colorArray[colorIndex]
border.color: Qt.lighter(color)
Text
{
id: text
anchors.centerIn: parent
color: "#f0f0f0"
font.pixelSize: 18
text: qsTr("点击展开")
}
MouseArea
{
anchors.fill: parent
onReleased:
{
text.text = row.visible == true ? qsTr("点击展开") : qsTr("点击折叠")
row.visible = row.visible == true ? false : true
}
}
PropertyAnimation on height{to: 32 ;duration:600; loops:Animation.Infinite }
}
Row
{
id: row
visible: false
spacing: 2
Rectangle
{
id: d1
width: 120
height: 32
property int colorIndex: Math.floor(Math.random()*5)
color: window.colorArray[colorIndex]
border.color: Qt.lighter(color)
Text
{
anchors.centerIn: parent
color: "#f0f0f0"
font.pixelSize: 18
text: qsTr("WPS表单")
}
}
Rectangle
{
id: d2
width: 120
height: 32
property int colorIndex: Math.floor(Math.random()*5)
color: window.colorArray[colorIndex]
border.color: Qt.lighter(color)
Text
{
anchors.centerIn: parent
color: "#f0f0f0"
font.pixelSize: 18
text: qsTr("WPS表单")
}
}
Rectangle
{
id: d3
width: 120
height: 32
property int colorIndex: Math.floor(Math.random()*5)
color: window.colorArray[colorIndex]
border.color: Qt.lighter(color)
Text
{
anchors.centerIn: parent
color: "#f0f0f0"
font.pixelSize: 18
text: qsTr("WPS表单")
}
}
}
}
}
bool unzip(const QString& in_file_path, const QString& out_file_path)
{
QuaZip archive(in_file_path);
if (!archive.open(QuaZip::mdUnzip))
return false;
QString path = out_file_path;
if (!path.endsWith("/") && !out_file_path.endsWith("\\"))
path += "/";
QDir dir(out_file_path);
if (!dir.exists())
dir.mkpath(out_file_path);
for( bool f = archive.goToFirstFile(); f; f = archive.goToNextFile() )
{
QString filePath = archive.getCurrentFileName();
QuaZipFile zFile(archive.getZipName(), filePath);
zFile.open(QIODevice::ReadOnly );
QByteArray ba = zFile.readAll();
zFile.close();
if (filePath.endsWith("/"))
{
dir.mkpath(filePath);
}
else
{
QFile dstFile(path + filePath);
if (!dstFile.open(QIODevice::WriteOnly))
return false;
dstFile.write(ba);
dstFile.close();
}
}
return true;
}
源于:http://blog.csdn.net/kfbyj/article/details/13888101
证实可用.
#include <QtCore/QCoreApplication>
#include <QTextStream>
#include <QXmlStreamReader>
#include <QtXML/QDom.h>
#include <QZip/QuaZipFile.h>
#include <iostream>
int main(int argc,char *argv[])
{
QCoreApplication app(argc,argv);
QuaZip zip(":qrc/zip.zip");
if(!zip.open(QuaZip::mdUnzip))
{
std::cout<<"open failed:"<<zip.getZipError()<<std::endl;
system("pause");
return -1;
}
if(zip.setCurrentFile("list.xml"))
{
QuaZipFile zipfile(&zip);
if(!zipfile.open(QIODevice::ReadOnly))
{
std::cout<<"open zipfile failed"<<std::endl;
system("pause");
return -1;
}
QTextStream stream(&zipfile);
while(!stream.atEnd())
std::cout<<qPrintable(stream.readLine())<<std::endl;
zipfile.close();
zip.close();
}
else
std::cout<<"set current file failed."<<std::endl;
system("pause");
return 1;
}
如上,需要使用QuaZip库
本来打算使用QFtp，居然上传不成功
#include <stdio.h>
#include <string.h>
#include <curl/curl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#ifdef WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#define REMOTE_URL "sftp://account:password@xx.xx.xx.xx/"
static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
{
curl_off_t nread;
size_t retcode = fread(ptr, size, nmemb, stream);
nread = (curl_off_t)retcode;
fprintf(stderr, "*** We read %" CURL_FORMAT_CURL_OFF_T " bytes from file\n", nread);
return retcode;
}
int main(int argc,char *argv[])
{
if(argc != 3)
{
printf("2 paramenters is needed.\n");
return -1;
}
char* local_file = argv[1];
char* remote_file = argv[2];
printf("call me for update -:%s,%s\n",local_file,remote_file);
char remoteurl[1024] = {0};
strcpy(remoteurl,REMOTE_URL);
strcat(remoteurl,remote_file);
CURL* curl;
CURLcode res;
FILE* file;
struct stat file_info;
curl_off_t fsize;
if(stat(local_file,&file_info))
{
printf("couldnt open '%s': %s\n", local_file, strerror(errno));
return 1;
}
fsize = (curl_off_t)file_info.st_size;
printf("Local file size: %" CURL_FORMAT_CURL_OFF_T " bytes.\n", fsize);
file = fopen(local_file, "rb");
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if(curl)
{
curl_easy_setopt(curl,CURLOPT_READFUNCTION,read_callback);
curl_easy_setopt(curl,CURLOPT_UPLOAD,1L);
curl_easy_setopt(curl,CURLOPT_URL,remoteurl);
curl_easy_setopt(curl,CURLOPT_READDATA,file);
curl_easy_setopt(curl,CURLOPT_INFILESIZE_LARGE,(curl_off_t)fsize);
curl_easy_setopt(curl,CURLOPT_FTP_RESPONSE_TIMEOUT,120);
res = curl_easy_perform(curl);
if(res != CURLE_OK)
fprintf(stderr,"curl_easy_perform() failed: %s\n",curl_easy_strerror(res));
curl_easy_cleanup(curl);
fprintf(stderr,"finished update.");
}
fclose(file);
curl_global_cleanup();
return 0;
}
以上代码经过实际测试.
-no-icu -no-opengl -confirm-license -opensource -nomake examples -nomake tests -mp -no-harfbuzz -no-angle -D _CRT_SECURE_NO_WARNINGS -skip qtactiveqt -skip qtandroidextras -skip qtconnectivity -skip qtdeclarative -skip qtenginio -skip qtgraphicaleffects -skip qtlocation -skip qtmacextras -skip qtquick1 -skip qtquickcontrols -skip qtscript -skip qtsensors -skip qtserialport -skip qtsvg -skip qtwebkit -skip qtwebkit-examples -skip qtx11extras -skip qtxmlpatterns
import QtQuick 2.0
import QtQuick.Particles 2.0
Rectangle
{
id: root
width: 480; height: 360
color: "#1f1f1f"
ParticleSystem
{
id: ps
}
Emitter
{
id: emitter
anchors.left: parent.left
anchors.verticalCenter: parent.verticalCenter
width: 1; height: 1
system: ps
emitRate: 10
lifeSpan: 6400
lifeSpanVariation: 600
size: 32
velocity: PointDirection
{
x: 100
y: 0
xVariation: 0
yVariation: 100/6
}
acceleration: AngleDirection
{
angle: 90
magnitude: 30
}
}
ImageParticle
{
source: "assets/ufo.png"
system: ps
}
}
import QtQuick 2.2
import QtQuick.Controls 1.1
Canvas
{
id: root
width: 200; height: 200
onPaint:
{
var ctx = getContext("2d")
ctx.lineWidth = 2
ctx.strokeStyle = "blue"
ctx.fillStyle = "red"
ctx.beginPath()
ctx.moveTo(50,50)
ctx.lineTo(150,50)
ctx.lineTo(150,150)
ctx.lineTo(50,150)
ctx.closePath()
ctx.fillRect(10,10,10,10)
ctx.strokeRect(20,20,10,10);
ctx.fill()
ctx.stroke()
}
}
使用渐变
import QtQuick 2.2
import QtQuick.Controls 1.1
Canvas
{
id: root
width: 200; height: 200
onPaint:
{
var ctx = getContext("2d")
var gradient = ctx.createLinearGradient(0,0,200,200)
gradient.addColorStop(0,"blue")
gradient.addColorStop(0.5,"red")
gradient.addColorStop(1,"yellow")
ctx.fillStyle = gradient
ctx.fillRect(10,10,100,100)
}
}
增加阴影
import QtQuick 2.2
import QtQuick.Controls 1.1
Canvas
{
id: root
width: 200; height: 200
onPaint:
{
var ctx = getContext("2d")
ctx.shadowColor = "black";
ctx.shadowOffsetX = 2;
ctx.shadowOffsetY = 2;
var gradient = ctx.createLinearGradient(0,0,200,200)
gradient.addColorStop(0,"blue")
gradient.addColorStop(0.5,"red")
gradient.addColorStop(1,"yellow")
ctx.fillStyle = gradient
ctx.fillRect(10,10,100,100)
}
}