File indexing completed on 2024-12-22 04:15:56

 /*
  *  SPDX-FileCopyrightText: 2005-2006 Cyrille Berger <cberger@cberger.net>
  *  SPDX-FileCopyrightText: 2022 L. E. Segovia <amy@amyspark.me>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #ifndef _KIS_BUFFER_STREAM_H_
 #define _KIS_BUFFER_STREAM_H_
 
 #include <cstdint>
 
 #include <QSharedPointer>
 #include <QVector>
 
 #include <tiffio.h>
 
 class KisBufferStreamBase
 {
 public:
     KisBufferStreamBase(uint16_t depth) : m_depth(depth) {}
     virtual ~KisBufferStreamBase() = default;
     virtual uint32_t nextValue() = 0;
     virtual void restart() = 0;
     virtual void moveToLine(tsize_t lineNumber) = 0;
     virtual void moveToPos(tsize_t x, tsize_t y) = 0;
     virtual tsize_t x() const = 0;
     virtual tsize_t y() const = 0;
     virtual tsize_t width() const = 0;
 
 protected:
     uint16_t m_depth;
 };
 
 class KisBufferStreamContigBase : public KisBufferStreamBase
 {
 public:
     KisBufferStreamContigBase(uint8_t *src, uint16_t depth, tsize_t lineSize);
 
     ~KisBufferStreamContigBase() override = default;
 
     void restart() override;
 
     void moveToLine(tsize_t lineNumber) override;
 
     void moveToPos(tsize_t x, tsize_t y) override;
 
     tsize_t x() const override;
 
     tsize_t y() const override;
 
     tsize_t width() const override;
 
 protected:
     uint8_t *const m_src;
     uint8_t *m_srcIt;
     uint16_t m_posinc = 0;
     const tsize_t m_lineSize;
     tsize_t m_lineNumber = 0;
     tsize_t m_lineOffset = 0;
 };
 
 class KisBufferStreamContigBelow16 : public KisBufferStreamContigBase
 {
 public:
     KisBufferStreamContigBelow16(uint8_t *src, uint16_t depth, tsize_t lineSize)
         : KisBufferStreamContigBase(src, depth, lineSize)
     {
     }
     ~KisBufferStreamContigBelow16() override = default;
     uint32_t nextValue() override;
 };
 
 class KisBufferStreamContigBelow32 : public KisBufferStreamContigBase
 {
 public:
     KisBufferStreamContigBelow32(uint8_t *src, uint16_t depth, tsize_t lineSize)
         : KisBufferStreamContigBase(src, depth, lineSize)
     {
     }
 
 public:
     ~KisBufferStreamContigBelow32() override = default;
     uint32_t nextValue() override;
 };
 
 class KisBufferStreamContigAbove32 : public KisBufferStreamContigBase
 {
 public:
     KisBufferStreamContigAbove32(uint8_t *src, uint16_t depth, tsize_t lineSize)
         : KisBufferStreamContigBase(src, depth, lineSize)
     {
     }
 
 public:
     ~KisBufferStreamContigAbove32() override = default;
     uint32_t nextValue() override;
 };
 
 class KisBufferStreamSeparate : public KisBufferStreamBase
 {
 public:
     KisBufferStreamSeparate(uint8_t **srcs,
                             uint16_t nb_samples,
                             uint16_t depth,
                             tsize_t *lineSize);
     ~KisBufferStreamSeparate() override = default;
 
     uint32_t nextValue() override;
 
     void restart() override;
 
     void moveToLine(tsize_t lineNumber) override;
 
     void moveToPos(tsize_t x, tsize_t y) override;
 
     tsize_t x() const override;
 
     tsize_t y() const override;
 
     tsize_t width() const override;
 
 protected:
     QVector<QSharedPointer<KisBufferStreamBase>> streams;
     uint16_t m_current_sample = 0;
     uint16_t m_nb_samples;
 };
 
 class KisBufferStreamInterleaveUpsample : public KisBufferStreamSeparate
 {
 public:
     KisBufferStreamInterleaveUpsample(uint8_t **srcs,
                                       uint16_t nb_samples,
                                       uint16_t depth,
                                       tsize_t *lineSize,
                                       uint16_t hsubsample,
                                       uint16_t vsubsample);
 
     uint32_t nextValue() override;
 
     void moveToPos(tsize_t x, tsize_t y) override;
 
     tsize_t x() const override;
 
     tsize_t y() const override;
 
     tsize_t width() const override
     {
         return streams[0]->width();
     }
 
     void restart() override
     {
         KisBufferStreamSeparate::restart();
         m_currentPlane = 0;
     }
 
 protected:
     uint16_t m_hsubsample, m_vsubsample;
     uint16_t m_currentPlane = 0;
 };
 
 #endif