qt之gif文件提取帧图像

最新推荐文章于 2024-08-21 12:58:27 发布

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最新推荐文章于 2024-08-21 12:58:27 发布 · 745 阅读

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#qt

本文介绍如何使用QT库解析GIF文件，详细讲解了提取帧图像的步骤和关键代码，适合QT开发者学习理解GIF处理。

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gif提取帧
这里写图片描述


#include "alt_key.hpp"
#include "aqp.hpp"
#include "jingleaction.hpp"
#include "mainwindow.hpp"
#include <QApplication>
#include <QFileDialog>
#include <QHBoxLayout>
#include <QImageWriter>
#include <QLabel>
#include <QList>
#include <QMenu>
#include <QMenuBar>
#include <QMovie>
#include <QStatusBar>
#include <QToolBar>


const int StatusTimeout = AQP::MSecPerSecond * 5;


MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent), movieState(NoMovie)
{
    movie = new QMovie(this);

    createActions();
    createMenusAndToolBar();
    createWidgets();
    createLayout();
    createConnections();

    AQP::accelerateMenu(menuBar());
    updateUi();
    statusBar()->showMessage(tr("Open a Movie file to start..."),
                             StatusTimeout);
    setWindowTitle(QApplication::applicationName());
}


void MainWindow::createActions()
{
    jinglePath = AQP::applicationPathOf("jingles");
    imagePath = AQP::applicationPathOf("images");

    fileOpenAction = new JingleAction(
            jinglePath + "/fileopen.wav",
            QIcon(imagePath + "/fileopen.png"), tr("Open..."), this);
    fileOpenAction->setShortcuts(QKeySequence::Open);
    fileSaveAction = new JingleAction(
            jinglePath + "/filesave.wav",
            QIcon(imagePath + "/filesave.png"), tr("Save"), this);
    fileSaveAction->setShortcuts(QKeySequence::Save);
    fileSaveAction->setEnabled(false);
    fileQuitAction = new QAction(
            QIcon(imagePath + "/filequit.png"), tr("Quit"), this);
    fileMuteJinglesAction = new JingleAction(
            jinglePath + "/filemutej