Support WebP format for Card Images (#4950)

- Fix #4939

.ci/ArchLinux/Dockerfile

@@ -9,6 +9,7 @@ RUN pacman --sync --refresh --sysupgrade --needed --noconfirm \
         mariadb-libs \
         protobuf \
         qt6-base \
+        qt6-imageformats \
         qt6-multimedia \
         qt6-svg \
         qt6-tools \

.ci/Debian11/Dockerfile

@@ -17,6 +17,7 @@ RUN apt-get update && \
         libqt5svg5-dev \
         libqt5websockets5-dev \
         protobuf-compiler \
+        qt5-image-formats-plugins \
         qtmultimedia5-dev \
         qttools5-dev \
         qttools5-dev-tools \

.ci/Debian12/Dockerfile

@@ -18,6 +18,7 @@ RUN apt-get update && \
         qt6-svg-dev \
         qt6-websockets-dev \
         protobuf-compiler \
+        qt6-image-formats-plugins \
         qt6-l10n-tools \
         qt6-multimedia-dev \
         qt6-tools-dev \

.ci/Fedora37/Dockerfile

@@ -7,7 +7,7 @@ RUN dnf install -y \
         git \
         mariadb-devel \
         protobuf-devel \
-        qt6-{qttools,qtsvg,qtmultimedia,qtwebsockets}-devel \
+        qt6-{qttools,qtsvg,qtmultimedia,qtwebsockets,imageformats}-devel \
         rpm-build \
         xz-devel \
         zlib-devel \

.ci/Fedora38/Dockerfile

@@ -7,7 +7,7 @@ RUN dnf install -y \
         git \
         mariadb-devel \
         protobuf-devel \
-        qt6-{qttools,qtsvg,qtmultimedia,qtwebsockets}-devel \
+        qt6-{qttools,qtsvg,qtmultimedia,qtwebsockets,imageformats}-devel \
         rpm-build \
         xz-devel \
         zlib-devel \

.ci/UbuntuBionic/Dockerfile

@@ -17,6 +17,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         libqt5websockets5-dev \
         protobuf-compiler \
         qt5-default \
+        qt5-image-formats-plugins \
         qtmultimedia5-dev \
         qttools5-dev \
         qttools5-dev-tools \

.ci/UbuntuFocal/Dockerfile

@@ -18,6 +18,7 @@ RUN apt-get update && \
         libqt5websockets5-dev \
         protobuf-compiler \
         qt5-default \
+        qt5-image-formats-plugins \
         qtmultimedia5-dev \
         qttools5-dev \
         qttools5-dev-tools \

.ci/UbuntuJammy/Dockerfile

@@ -18,6 +18,7 @@ RUN apt-get update && \
         libqt6svg6-dev \
         libqt6websockets6-dev \
         protobuf-compiler \
+        qt6-image-formats-plugins \
         qt6-l10n-tools \
         qt6-multimedia-dev \
         qt6-tools-dev \

.ci/UbuntuLunar/Dockerfile

@@ -18,6 +18,7 @@ RUN apt-get update && \
         qt6-svg-dev \
         qt6-websockets-dev \
         protobuf-compiler \
+        qt6-image-formats-plugins \
         qt6-l10n-tools \
         qt6-multimedia-dev \
         qt6-tools-dev \

cockatrice/CMakeLists.txt

@@ -311,15 +311,7 @@ if(WIN32)
     PATTERN "audio/qtaudio_wasapi.dll"
     PATTERN "audio/qtaudio_windows.dll"
     PATTERN "iconengines/qsvgicon.dll"
-    PATTERN "imageformats/qgif.dll"
+    PATTERN "imageformats/*.dll"
-    PATTERN "imageformats/qicns.dll"
-    PATTERN "imageformats/qico.dll"
-    PATTERN "imageformats/qjpeg.dll"
-    PATTERN "imageformats/qsvg.dll"
-    PATTERN "imageformats/qtga.dll"
-    PATTERN "imageformats/qtiff.dll"
-    PATTERN "imageformats/qwbmp.dll"
-    PATTERN "imageformats/qwebp.dll"
     PATTERN "mediaservice/dsengine.dll"
     PATTERN "mediaservice/wmfengine.dll"
     PATTERN "platforms/qdirect2d.dll"

cockatrice/src/pictureloader.cpp

@@ -6,12 +6,14 @@
 #include "thememanager.h"
 
 #include <QApplication>
+#include <QBuffer>
 #include <QCryptographicHash>
 #include <QDebug>
 #include <QDir>
 #include <QDirIterator>
 #include <QFile>
 #include <QImageReader>
+#include <QMovie>
 #include <QNetworkAccessManager>
 #include <QNetworkDiskCache>
 #include <QNetworkReply>
@@ -499,21 +501,40 @@ void PictureLoaderWorker::picDownloadFinished(QNetworkReply *reply)
     imgReader.setDecideFormatFromContent(true);
     imgReader.setDevice(reply);
 
-    if (imgReader.read(&testImage)) {
+    bool logSuccessMessage = false;
+
+    static const int riffHeaderSize = 12; // RIFF_HEADER_SIZE from webp/format_constants.h
+    auto replyHeader = reply->peek(riffHeaderSize);
+
+    if (replyHeader.startsWith("RIFF") && replyHeader.endsWith("WEBP")) {
+        auto imgBuf = QBuffer(this);
+        imgBuf.setData(reply->readAll());
+
+        auto movie = QMovie(&imgBuf);
+        movie.start();
+        movie.stop();
+
+        imageLoaded(cardBeingDownloaded.getCard(), movie.currentImage());
+        logSuccessMessage = true;
+    } else if (imgReader.read(&testImage)) {
         imageLoaded(cardBeingDownloaded.getCard(), testImage);
-        qDebug().nospace() << "PictureLoader: [card: " << cardBeingDownloaded.getCard()->getName()
+        logSuccessMessage = true;
-                           << " set: " << cardBeingDownloaded.getSetName() << "]: Image successfully "
-                           << (isFromCache ? "loaded from cached" : "downloaded from") << " url "
-                           << reply->url().toDisplayString();
     } else {
         qDebug().nospace() << "PictureLoader: [card: " << cardBeingDownloaded.getCard()->getName()
                            << " set: " << cardBeingDownloaded.getSetName() << "]: Possible "
                            << (isFromCache ? "cached" : "downloaded") << " picture at "
-                           << reply->url().toDisplayString() << " could not be loaded";
+                           << reply->url().toDisplayString() << " could not be loaded: " << reply->errorString();
 
         picDownloadFailed();
     }
 
+    if (logSuccessMessage) {
+        qDebug().nospace() << "PictureLoader: [card: " << cardBeingDownloaded.getCard()->getName()
+                           << " set: " << cardBeingDownloaded.getSetName() << "]: Image successfully "
+                           << (isFromCache ? "loaded from cached" : "downloaded from") << " url "
+                           << reply->url().toDisplayString();
+    }
+
     reply->deleteLater();
     startNextPicDownload();
 }