4#ifndef QSGTEXTUREPROVIDER_H
5#define QSGTEXTUREPROVIDER_H
7#include <QtQuick/qsgtexture.h>
8#include <QtCore/qobject.h>
16 virtual QSGTexture *texture()
const = 0;
19 void textureChanged();
QQuickCanvasItemPrivate()
QSGInternalImageNode * node
~QQuickCanvasItemPrivate()
QQuickCanvasItem::RenderTarget renderTarget
QMap< int, QV4::PersistentValue > animationCallbacks
QQuickCanvasItem::RenderStrategy renderStrategy
QQuickCanvasContext * context
QQuickCanvasTextureProvider * textureProvider
void setTileSize(const QSize &)
void renderStrategyChanged()
void renderTargetChanged()
void setCanvasWindow(const QRectF &rect)
bool event(QEvent *event) override
This virtual function receives events to an object and should return true if the event e was recogniz...
bool isTextureProvider() const override
Returns true if this item is a texture provider.
bool isImageLoaded(const QUrl &url) const
\qmlmethod QtQuick::Canvas::isImageLoaded(url image) Returns true if the image is successfully loaded...
void setCanvasSize(const QSizeF &)
void setRenderStrategy(RenderStrategy strategy)
QQmlRefPointer< QQuickCanvasPixmap > loadedPixmap(const QUrl &url, QSizeF sourceSize=QSizeF())
Q_INVOKABLE void requestAnimationFrame(QQmlV4FunctionPtr args)
\qmlmethod int QtQuick::Canvas::requestAnimationFrame(callback)
void updatePolish() override
This function should perform any layout as required for this item.
QQuickCanvasContext * rawContext() const
RenderStrategy renderStrategy() const
\qmlproperty enumeration QtQuick::Canvas::renderStrategy Holds the current canvas rendering strategy.
QSGTextureProvider * textureProvider() const override
Returns the texture provider for an item.
RenderTarget renderTarget() const
\qmlproperty enumeration QtQuick::Canvas::renderTarget Holds the current canvas render target.
void setContextType(const QString &contextType)
bool isAvailable() const
\qmlproperty bool QtQuick::Canvas::available
Q_INVOKABLE bool save(const QString &filename, const QSizeF &imageSize=QSizeF()) const
\qmlmethod bool QtQuick::Canvas::save(string filename, size imageSize = undefined)
QRectF canvasWindow() const
\qmlproperty rect QtQuick::Canvas::canvasWindow Holds the current canvas visible window.
void unloadImage(const QUrl &url)
\qmlmethod QtQuick::Canvas::unloadImage(url image)
bool isImageError(const QUrl &url) const
\qmlmethod QtQuick::Canvas::isImageError(url image)
void contextTypeChanged()
void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override
QJSValue context() const
\qmlproperty object QtQuick::Canvas::context Holds the active drawing context.
QImage toImage(const QRectF &rect=QRectF()) const
QSize tileSize() const
\qmlproperty size QtQuick::Canvas::tileSize Holds the canvas rendering tile size.
QSGNode * updatePaintNode(QSGNode *, UpdatePaintNodeData *) override
Called on the render thread when it is time to sync the state of the item with the scene graph.
QSizeF canvasSize() const
\qmlproperty size QtQuick::Canvas::canvasSize Holds the logical canvas size that the context paints o...
void canvasWindowChanged()
void itemChange(QQuickItem::ItemChange, const QQuickItem::ItemChangeData &) override
Called when change occurs for this item.
void releaseResources() override
This function is called when an item should release graphics resources which are not already managed ...
Q_INVOKABLE void cancelRequestAnimationFrame(QQmlV4FunctionPtr args)
\qmlmethod QtQuick::Canvas::cancelRequestAnimationFrame(int handle)
Q_INVOKABLE void getContext(QQmlV4FunctionPtr args)
\qmlmethod object QtQuick::Canvas::getContext(string contextId, ... args)
bool isImageLoading(const QUrl &url) const
\qmlmethod QtQuick::Canvas::isImageLoading(url image) Returns true if the image is currently loading.
void componentComplete() override
Invoked after the root component that caused this instantiation has completed construction.
Q_INVOKABLE void markDirty(const QRectF &dirtyRect=QRectF())
\qmlmethod QtQuick::Canvas::markDirty(rect area)
void setRenderTarget(RenderTarget target)
QString contextType() const
\qmlproperty string QtQuick::Canvas::contextType The type of drawing context to use.
Q_INVOKABLE void requestPaint()
\qmlmethod QtQuick::Canvas::requestPaint()
QQuickCanvasPixmap(const QImage &image)
QQuickPixmap * pixmap() const
QQuickCanvasPixmap(QQuickPixmap *pixmap)
QSGTexture * texture() const override
Returns a pointer to the texture object.
void fireTextureChanged()
static QQuickContext2DRenderThread * instance(QQmlEngine *engine)
~QQuickContext2DRenderThread()
The QSGTextureProvider class encapsulates texture based entities in QML.
Combined button and popup list for selecting options.
static const char * mimeToType(const QString &mime)
QT_REQUIRE_CONFIG(quick_canvas)
1.12.0