mirror of
https://github.com/elasota/Aerofoil.git
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118 lines
2.2 KiB
C++
118 lines
2.2 KiB
C++
#include "QDPort.h"
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#include "PLErrorCodes.h"
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#include "MemoryManager.h"
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#include "MMHandleBlock.h"
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#include "QDPixMap.h"
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namespace PortabilityLayer
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{
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QDPort::QDPort(QDPortType portType)
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: m_portType(portType)
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, m_left(0)
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, m_top(0)
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, m_width(0)
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, m_height(0)
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, m_pixMap(nullptr)
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, m_pixelFormat(GpPixelFormats::kInvalid)
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, m_dirtyFlags(0)
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{
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}
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QDPort::~QDPort()
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{
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DisposePixMap();
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}
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void QDPort::DisposePixMap()
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{
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if (m_pixMap)
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{
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if (*m_pixMap)
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static_cast<PixMapImpl*>(*m_pixMap)->~PixMapImpl();
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MemoryManager::GetInstance()->ReleaseHandle(reinterpret_cast<MMHandleBlock*>(m_pixMap));
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}
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}
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int QDPort::Init(const Rect &rect, GpPixelFormat_t pixelFormat)
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{
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m_pixMap = nullptr;
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m_pixelFormat = pixelFormat;
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if (!Resize(rect))
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return mFulErr;
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return noErr;
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}
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bool QDPort::Resize(const Rect &rect)
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{
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const uint16_t width = static_cast<uint16_t>(rect.right - rect.left);
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const uint16_t height = static_cast<uint16_t>(rect.bottom - rect.top);
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size_t pixMapSize = PixMapImpl::SizeForDimensions(width, height, m_pixelFormat);
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if (pixMapSize == 0)
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return false;
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MMHandleBlock *pmBlock = MemoryManager::GetInstance()->AllocHandle(pixMapSize);
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if (!pmBlock)
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return false;
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memset(pmBlock->m_contents, 0, pixMapSize);
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SetDirty(QDPortDirtyFlag_Size | QDPortDirtyFlag_Contents);
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m_left = rect.left;
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m_top = rect.top;
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m_width = width;
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m_height = height;
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new (pmBlock->m_contents) PixMapImpl(m_left, m_top, width, height, m_pixelFormat);
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DisposePixMap();
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m_pixMap = reinterpret_cast<PixMap**>(&pmBlock->m_contents);
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return true;
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}
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bool QDPort::IsDirty(uint32_t flag) const
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{
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return (m_dirtyFlags & flag) != 0;
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}
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void QDPort::SetDirty(uint32_t flag)
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{
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m_dirtyFlags |= flag;
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}
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void QDPort::ClearDirty(uint32_t flag)
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{
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m_dirtyFlags &= ~flag;
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}
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PixMap **QDPort::GetPixMap() const
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{
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return m_pixMap;
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}
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const QDState *QDPort::GetState() const
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{
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return &m_state;
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}
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QDState *QDPort::GetState()
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{
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return &m_state;
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}
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GpPixelFormat_t QDPort::GetPixelFormat() const
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{
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return m_pixelFormat;
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}
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Rect QDPort::GetRect() const
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{
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return Rect::Create(m_top, m_left, m_top + m_height, m_left + m_width);
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}
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}
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