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| |
| #ifndef QSSG_RENDER_LOADED_TEXTURE_H |
| #define QSSG_RENDER_LOADED_TEXTURE_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtQuick3DRender/private/qssgrenderbasetypes_p.h> |
| |
| #include <QtQuick3DRuntimeRender/private/qssgrenderinputstreamfactory_p.h> |
| |
| #include <QtGui/QImage> |
| |
| #include <private/qtexturefiledata_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| class QSSGInputStreamFactory; |
| |
| struct QSSGTextureData |
| { |
| void *data = nullptr; |
| quint32 dataSizeInBytes = 0; |
| QSSGRenderTextureFormat format = QSSGRenderTextureFormat::Unknown; |
| }; |
| enum class QSSGExtendedTextureFormats |
| { |
| NoExtendedFormat = 0, |
| Palettized, |
| CustomRGB, |
| }; |
| // Utility class used for loading image data from disk. |
| // Supports jpg, png, and dds. |
| struct QSSGLoadedTexture |
| { |
| public: |
| QAtomicInt ref; |
| qint32 width = 0; |
| qint32 height = 0; |
| qint32 components = 0; |
| void *data = nullptr; |
| QTextureFileData compressedData; |
| QImage image; |
| quint32 dataSizeInBytes = 0; |
| QSSGRenderTextureFormat format = QSSGRenderTextureFormat::RGBA8; |
| QSSGExtendedTextureFormats m_ExtendedFormat = QSSGExtendedTextureFormats::NoExtendedFormat; |
| // Used for palettized images. |
| void *m_palette = nullptr; |
| qint32 m_customMasks[3]{ 0, 0, 0 }; |
| int m_bitCount = 0; |
| char m_backgroundColor[3]{ 0, 0, 0 }; |
| quint8 *m_transparencyTable = nullptr; |
| qint32 m_transparentPaletteIndex = -1; |
| |
| ~QSSGLoadedTexture(); |
| void setFormatFromComponents() |
| { |
| switch (components) { |
| case 1: // undefined, but in this context probably luminance |
| format = QSSGRenderTextureFormat::R8; |
| break; |
| case 2: |
| format = QSSGRenderTextureFormat::RG8; |
| break; |
| case 3: |
| format = QSSGRenderTextureFormat::RGB8; |
| break; |
| |
| default: |
| // fallthrough intentional |
| case 4: |
| format = QSSGRenderTextureFormat::RGBA8; |
| break; |
| } |
| } |
| |
| // Returns true if this image has a pixel less than 255. |
| bool scanForTransparency(); |
| |
| static QSSGRef<QSSGLoadedTexture> load(const QString &inPath, |
| const QSSGRenderTextureFormat &inFormat, |
| QSSGInputStreamFactory &inFactory, |
| bool inFlipY = true, |
| const QSSGRenderContextType &renderContextType = QSSGRenderContextType::NullContext); |
| static QSSGRef<QSSGLoadedTexture> loadQImage(const QString &inPath, |
| const QSSGRenderTextureFormat &inFormat, |
| qint32 flipVertical, |
| QSSGRenderContextType renderContextType); |
| static QSSGRef<QSSGLoadedTexture> loadCompressedImage(const QString &inPath, |
| const QSSGRenderTextureFormat &inFormat, |
| bool inFlipY = true, |
| const QSSGRenderContextType &renderContextType = QSSGRenderContextType::NullContext); |
| static QSSGRef<QSSGLoadedTexture> loadHdrImage(const QSharedPointer<QIODevice> &source, |
| QSSGRenderContextType renderContextType); |
| }; |
| QT_END_NAMESPACE |
| |
| #endif |