int Game_Character::GetScreenZ() const {
int z = this == Main_Data::game_player.get() ? 1 : 0;
// For events on the screen, this should be inside a 0-40 range
z += GetScreenY() >> 3;
z += GetLayer() * 50;
return z;
}
CCommonCtrl::~CCommonCtrl()
{
#if !defined(__CLIENT)
#ifdef __LAYER_1021
GetWorld()->m_respawner.Increment( GetRespawn(), m_nRespawnType, FALSE, GetLayer() );
#else // __LAYER_1021
GetWorld()->m_respawner.Increment( GetRespawn(), m_nRespawnType, FALSE );
#endif // __LAYER_1021
#endif
}
void CComponent_Items::RenderSprite(const CNetObj_TU_Sprite *pPrev, const CNetObj_TU_Sprite *pCurrent)
{
if(pCurrent->m_ItemLayer != GetLayer()) return;
float Angle = mix(2.0*pi*static_cast<float>(pPrev->m_Angle)/360.0f, 2.0*pi*static_cast<float>(pCurrent->m_Angle)/360.0f, Client()->IntraGameTick());
float Size = mix(pPrev->m_Size, pCurrent->m_Size, Client()->IntraGameTick());
vec2 Pos = mix(vec2(pPrev->m_X, pPrev->m_Y), vec2(pCurrent->m_X, pCurrent->m_Y), Client()->IntraGameTick());
TUKernel()->AssetsRenderer()->DrawSprite(pCurrent->m_SpriteId, Pos, Size, Angle, 0x0, 1.0f);
}
bool PLOT_CONTROLLER::OpenPlotfile( const wxString &aSuffix,
PlotFormat aFormat,
const wxString &aSheetDesc )
{
LOCALE_IO toggle;
/* Save the current format: sadly some plot routines depends on this
but the main reason is that the StartPlot method uses it to
dispatch the plotter creation */
GetPlotOptions().SetFormat( aFormat );
// Ensure that the previous plot is closed
ClosePlot();
// Now compute the full filename for the output and start the plot
// (after ensuring the output directory is OK)
wxString outputDirName = GetPlotOptions().GetOutputDirectory() ;
wxFileName outputDir = wxFileName::DirName( outputDirName );
wxString boardFilename = m_board->GetFileName();
if( EnsureFileDirectoryExists( &outputDir, boardFilename ) )
{
// outputDir contains now the full path of plot files
m_plotFile = boardFilename;
m_plotFile.SetPath( outputDir.GetPath() );
wxString fileExt = GetDefaultPlotExtension( aFormat );
// Gerber format can use specific file ext, depending on layers
// (now not a good practice, because the official file ext is .gbr)
if( GetPlotOptions().GetFormat() == PLOT_FORMAT_GERBER &&
GetPlotOptions().GetUseGerberProtelExtensions() )
fileExt = GetGerberProtelExtension( GetLayer() );
// Build plot filenames from the board name and layer names:
BuildPlotFileName( &m_plotFile, outputDir.GetPath(), aSuffix, fileExt );
m_plotter = StartPlotBoard( m_board, &GetPlotOptions(), ToLAYER_ID( GetLayer() ),
m_plotFile.GetFullPath(), aSheetDesc );
}
return( m_plotter != NULL );
}
void CModAPI_Component_Items::RenderModAPISprite(const CNetObj_ModAPI_Sprite *pPrev, const CNetObj_ModAPI_Sprite *pCurrent)
{
if(pCurrent->m_ItemLayer != GetLayer()) return;
if(!ModAPIGraphics()) return;
float Angle = mix(2.0*pi*static_cast<float>(pPrev->m_Angle)/360.0f, 2.0*pi*static_cast<float>(pCurrent->m_Angle)/360.0f, Client()->IntraGameTick());
float Size = mix(pPrev->m_Size, pCurrent->m_Size, Client()->IntraGameTick());
vec2 Pos = mix(vec2(pPrev->m_X, pPrev->m_Y), vec2(pCurrent->m_X, pCurrent->m_Y), Client()->IntraGameTick());
ModAPIGraphics()->DrawSprite(RenderTools(), pCurrent->m_SpriteId, Pos, Size, Angle, 0);
}
void
LayerComposite::AddBlendModeEffect(EffectChain& aEffectChain)
{
gfx::CompositionOp blendMode = GetLayer()->GetEffectiveMixBlendMode();
if (blendMode == gfx::CompositionOp::OP_OVER) {
return;
}
aEffectChain.mSecondaryEffects[EffectTypes::BLEND_MODE] = new EffectBlendMode(blendMode);
return;
}
void DeferredRenderQueue::AddMesh(int renderOrder, const Material* material, const MeshData& meshData, const Boxf& meshAABB, const Matrix4f& transformMatrix)
{
if (material->IsBlendingEnabled() || material->IsDepthSortingEnabled()) //< Fixme: Deferred Shading should be able to handle depth sorting
// Deferred Shading cannot handle blended objects, put them in the forward list
m_forwardQueue->AddMesh(renderOrder, material, meshData, meshAABB, transformMatrix);
else
{
Layer& currentLayer = GetLayer(renderOrder);
MeshPipelineBatches& opaqueModels = currentLayer.opaqueModels;
const MaterialPipeline* materialPipeline = material->GetPipeline();
auto pipelineIt = opaqueModels.find(materialPipeline);
if (pipelineIt == opaqueModels.end())
{
BatchedMaterialEntry materialEntry;
pipelineIt = opaqueModels.insert(MeshPipelineBatches::value_type(materialPipeline, std::move(materialEntry))).first;
}
BatchedMaterialEntry& materialEntry = pipelineIt->second;
MeshMaterialBatches& materialMap = materialEntry.materialMap;
auto materialIt = materialMap.find(material);
if (materialIt == materialMap.end())
{
BatchedModelEntry entry;
entry.materialReleaseSlot.Connect(material->OnMaterialRelease, this, &DeferredRenderQueue::OnMaterialInvalidation);
materialIt = materialMap.insert(MeshMaterialBatches::value_type(material, std::move(entry))).first;
}
BatchedModelEntry& entry = materialIt->second;
entry.enabled = true;
MeshInstanceContainer& meshMap = entry.meshMap;
auto it2 = meshMap.find(meshData);
if (it2 == meshMap.end())
{
MeshInstanceEntry instanceEntry;
if (meshData.indexBuffer)
instanceEntry.indexBufferReleaseSlot.Connect(meshData.indexBuffer->OnIndexBufferRelease, this, &DeferredRenderQueue::OnIndexBufferInvalidation);
instanceEntry.vertexBufferReleaseSlot.Connect(meshData.vertexBuffer->OnVertexBufferRelease, this, &DeferredRenderQueue::OnVertexBufferInvalidation);
it2 = meshMap.insert(std::make_pair(meshData, std::move(instanceEntry))).first;
}
std::vector<Matrix4f>& instances = it2->second.instances;
instances.push_back(transformMatrix);
materialEntry.maxInstanceCount = std::max(materialEntry.maxInstanceCount, instances.size());
}
}
int main()
{
FILE* fp = nullptr;
fopen_s(&fp, "import.psd", "rb");
if (fp == nullptr) return 0;
std::vector<uint8_t> data;
fseek(fp, 0, SEEK_END);
auto length = ftell(fp);
fseek(fp, 0, SEEK_SET);
data.resize(length);
fread(data.data(), 1, length, fp);
fclose(fp);
auto doc = PSDParser::Document::Create(data.data(), data.size());
for (auto i = 0; i < doc->GetLayerCount(); i++)
{
auto layer = doc->GetLayer(i);
auto name = layer->GetName();
auto rect = layer->GetRect();
std::vector<uint8_t> bmp;
auto height = rect.Bottom - rect.Top;
auto width = rect.Right - rect.Left;
bmp.resize(width * height * 4);
for (int32_t y = 0; y < height; y++)
{
for (int32_t x = 0; x < width; x++)
{
auto p = (uint8_t*) layer->GetData();
bmp[(x + y * width) * 4 + 0] = p[x * 4 + width * y + 0];
bmp[(x + y * width) * 4 + 1] = p[x * 4 + width * y + 1];
bmp[(x + y * width) * 4 + 2] = p[x * 4 + width * y + 2];
bmp[(x + y * width) * 4 + 3] = p[x * 4 + width * y + 3];
}
}
BitmapWriter::Write("test.bmp", (uint32_t*)(bmp.data()), width, height);
//break;
}
return 0;
}
void CModAPI_Component_Items::RenderModAPIText(const CNetObj_ModAPI_Text *pPrev, const CNetObj_ModAPI_Text *pCurrent)
{
if(pCurrent->m_ItemLayer != GetLayer()) return;
if(!TextRender()) return;
vec2 Pos = mix(vec2(pPrev->m_X, pPrev->m_Y), vec2(pCurrent->m_X, pCurrent->m_Y), Client()->IntraGameTick());
char aText[64];
IntsToStr(pCurrent->m_aText, 16, &aText[0]);
ModAPIGraphics()->DrawText(TextRender(), aText, Pos, ModAPI_IntToColor(pCurrent->m_Color), pCurrent->m_Size, pCurrent->m_Alignment);
}
Matrix4x4
HostLayer::GetShadowTransform() {
Matrix4x4 transform = mShadowTransform;
Layer* layer = GetLayer();
transform.PostScale(layer->GetPostXScale(), layer->GetPostYScale(), 1.0f);
if (const ContainerLayer* c = layer->AsContainerLayer()) {
transform.PreScale(c->GetPreXScale(), c->GetPreYScale(), 1.0f);
}
return transform;
}
bool Game_Event::CheckEventTriggerTouch(int x, int y) {
if (Game_Map::GetInterpreter().IsRunning())
return false;
if (trigger == RPG::EventPage::Trigger_collision && !IsJumping()) {
if (Main_Data::game_player->IsInPosition(GetX(), GetY()) && GetLayer() == RPG::EventPage::Layers_same) {
return false;
}
if (Main_Data::game_player->IsInPosition(x, y) && !Main_Data::game_player->IsBlockedByMoveRoute()) {
if (Main_Data::game_player->InAirship() && GetLayer() == RPG::EventPage::Layers_same) {
return false;
}
Start();
return true;
}
}
return false;
}
void DRAWSEGMENT::Flip( const wxPoint& aCentre )
{
m_Start.y = aCentre.y - (m_Start.y - aCentre.y);
m_End.y = aCentre.y - (m_End.y - aCentre.y);
if( m_Shape == S_ARC )
{
NEGATE( m_Angle );
}
SetLayer( FlipLayer( GetLayer() ) );
}
void CComponent_Items::RenderText(const CNetObj_TU_Text *pPrev, const CNetObj_TU_Text *pCurrent)
{
if(pCurrent->m_ItemLayer != GetLayer()) return;
if(!TextRender()) return;
vec2 Pos = mix(vec2(pPrev->m_X, pPrev->m_Y), vec2(pCurrent->m_X, pCurrent->m_Y), Client()->IntraGameTick());
char aText[64];
IntsToStr(pCurrent->m_aText, 16, &aText[0]);
TUKernel()->AssetsRenderer()->DrawText(aText, Pos, tu::IntToColor(pCurrent->m_Color), pCurrent->m_Size, pCurrent->m_Alignment);
}
//
// Export
//
// Export this footprint to the given file name
//
Bool Type::Export(const char *fileName)
{
PTree tree;
FScope *root, *cellInfo;
// Add the top level scope
root = tree.GetGlobalScope()->AddFunction("ConfigureFootPrint");
// Get the layer used for zipping
Layer &layer = GetLayer(LAYER_LOWER);
// Save out the grid
for (S32 z = 0; z <= size.z; z++)
{
for (S32 x = 0; x <= size.x; x++)
{
// Write out cell info
cellInfo = root->AddFunction("SetupCell");
cellInfo->AddArgInteger(x);
cellInfo->AddArgInteger(z);
// Is this cell on the footprint
if (x < size.x && z < size.z)
{
Cell &cell = GetCell(x, z);
StdSave::TypeU32(cellInfo, "Hide", cell.GetFlag(HIDE));
StdSave::TypeU32(cellInfo, "SetBase", cell.GetFlag(SETBASE));
StdSave::TypeU32(cellInfo, "Second", cell.GetFlag(SECOND));
StdSave::TypeU32(cellInfo, "Dirs", cell.dirs);
StdSave::TypeU32(cellInfo, "ClaimLo", cell.GetFlag(CLAIMLO));
StdSave::TypeU32(cellInfo, "ClaimHi", cell.GetFlag(CLAIMHI));
StdSave::TypeU32(cellInfo, "BlockLOS", cell.GetFlag(BLOCKLOS));
if (cell.GetFlag(SURFACE))
{
MoveTable::KeyInfo *info = MoveTable::FindSurfaceInfo(cell.surface);
if (info)
{
StdSave::TypeString(cellInfo, "Surface", info->ident.str);
}
}
}
Layer::Cell &cell = layer.GetCell(x, z);
StdSave::TypeU32(cellInfo, "Zip", cell.GetFlag(Layer::ZIP));
}
}
// Save out to disk
return (tree.WriteTreeText(fileName));
}
bool PLOT_CONTROLLER::PlotLayer()
{
LOCALE_IO toggle;
// No plot open, nothing to do...
if( !m_plotter )
return false;
// Fully delegated to the parent
PlotOneBoardLayer( m_board, m_plotter, ToLAYER_ID( GetLayer() ), GetPlotOptions() );
return true;
}
void TEXTE_MODULE::ViewGetLayers( int aLayers[], int& aCount ) const
{
if( m_NoShow ) // Hidden text
aLayers[0] = ITEM_GAL_LAYER( MOD_TEXT_INVISIBLE );
//else if( IsFrontLayer( m_Layer ) )
//aLayers[0] = ITEM_GAL_LAYER( MOD_TEXT_FR_VISIBLE );
//else if( IsBackLayer( m_Layer ) )
//aLayers[0] = ITEM_GAL_LAYER( MOD_TEXT_BK_VISIBLE );
else
aLayers[0] = GetLayer();
aCount = 1;
}
void SCH_TEXT::Plot( PLOTTER* aPlotter )
{
static std::vector <wxPoint> Poly;
COLOR4D color = GetLayerColor( GetLayer() );
int tmp = GetThickness();
int thickness = GetPenSize();
// Two thicknesses are set here:
// The first is for EDA_TEXT, which controls the interline spacing based on text thickness
// The second is for the output that sets the actual stroke size
SetThickness( thickness );
aPlotter->SetCurrentLineWidth( thickness );
if( IsMultilineAllowed() )
{
std::vector<wxPoint> positions;
wxArrayString strings_list;
wxStringSplit( GetShownText(), strings_list, '\n' );
positions.reserve( strings_list.Count() );
GetPositionsOfLinesOfMultilineText(positions, (int) strings_list.Count() );
for( unsigned ii = 0; ii < strings_list.Count(); ii++ )
{
wxPoint textpos = positions[ii] + GetSchematicTextOffset();
wxString& txt = strings_list.Item( ii );
aPlotter->Text( textpos, color, txt, GetTextAngle(), GetTextSize(),
GetHorizJustify(), GetVertJustify(),
thickness, IsItalic(), IsBold() );
}
}
else
{
wxPoint textpos = GetTextPos() + GetSchematicTextOffset();
aPlotter->Text( textpos, color, GetShownText(), GetTextAngle(), GetTextSize(),
GetHorizJustify(), GetVertJustify(),
thickness, IsItalic(), IsBold() );
}
// Draw graphic symbol for global or hierarchical labels
CreateGraphicShape( Poly, GetTextPos() );
aPlotter->SetCurrentLineWidth( GetPenSize() );
if( Poly.size() )
aPlotter->PlotPoly( Poly, NO_FILL );
SetThickness( tmp );
}
void ContourColorDlg::OnBnClickedOk()
{
UpdateData( TRUE );
// 获取图层名称
CString layer;
if( !GetLayer( layer ) )
{
MessageBox( _T( "没有选择包含等值线的图层" ) );
return;
}
AcGeDoubleArray zValues;
AcArray<COLORREF> colors;
int n = m_colorList.GetItemCount();
for( int i = 0; i < n; i++ )
{
ColorListItemData* pData = ( ColorListItemData* )m_colorList.GetItemData( i );
zValues.append( pData->z );
colors.append( pData->rgb );
}
// 删除最后一个z值
zValues.removeLast();
// 删除color list上的附加数据
DeleteColorListItemDatas();
// 获取图层上的等值线信息图元
AcDbObjectId objId = GetContourInfoOnLayer( layer );
SetContourInfo( objId, zValues, colors, m_bFillColor );
// 获取边界坐标数据
AcGePoint3dArray bounds;
GetBoundaryPoints( bounds );
if( bounds.isEmpty() )
{
MessageBox( _T( "请添加一个闭合的井田边界" ) );
return;
}
// 获取点集数据
AcGePoint3dArray datas;
GetContourDatas( objId, datas );
//assert((colors.length()-zValues.length()) == 1);
// 绘制填充
DrawFill( layer, bounds, datas, zValues, colors, m_bFillColor );
OnOK();
}
LayerType GetActiveLayerForConfig(const ConfigLocation& config)
{
for (auto layer : SEARCH_ORDER)
{
if (!LayerExists(layer))
continue;
if (GetLayer(layer)->Exists(config))
return layer;
}
// If config is not present in any layer, base layer is considered active.
return LayerType::Base;
}
// --[ Method ]---------------------------------------------------------------
//
// - Class : CEffect
// - prototype : bool WriteASCII(CWriterASCII* pWriter)
//
// - Purpose : Writes the script data of the effect.
//
// -----------------------------------------------------------------------------
bool CEffect::WriteASCII(CWriterASCII* pWriter)
{
assert(pWriter);
assert(pWriter->Ready());
// Description
pWriter->Write("\n#Effect #Name=\"%s\" #Class=\"%s\"", GetFXName().data(), GetClassName().data());
pWriter->Write("\n{");
pWriter->Write("\n #Begin=%f #End=%f #Layer=%u", GetBegin(), GetEnd(), GetLayer());
// Resources
MAPRESOURCES::iterator itRes;
for(itRes = m_mapResources.begin(); itRes != m_mapResources.end(); ++itRes)
{
pWriter->Write("\n #Resource #Name=\"%s\" #Class=\"%s\" #Value=\"%s\"",
itRes->first.data(), itRes->second.strClass.data(), itRes->second.strValue.data());
}
// Variables
MAPVARS::iterator itVar;
pWriter->IncIndentation(2);
pWriter->Write("\n");
for(itVar = m_mapVars.begin(); itVar != m_mapVars.end(); ++itVar)
{
itVar->second->WriteASCII(pWriter);
}
pWriter->DecIndentation(2);
// Commands
pWriter->Write("\n");
VECCOMMANDS::iterator itCmds;
for(itCmds = m_vecCommands.begin(); itCmds != m_vecCommands.end(); ++itCmds)
{
pWriter->Write("\n #Command #Time=%f #Send=<%s>", itCmds->fTime, itCmds->strCommand.data());
}
pWriter->Write("\n}");
return true;
}
void ForwardRenderQueue::AddDrawable(int renderOrder, const Drawable* drawable)
{
#if NAZARA_GRAPHICS_SAFE
if (!drawable)
{
NazaraError("Invalid drawable");
return;
}
#endif
auto& otherDrawables = GetLayer(renderOrder).otherDrawables;
otherDrawables.push_back(drawable);
}
SdfSpecHandle
SdfPropertySpec::GetOwner() const
{
SdfPath parentPath = GetPath().GetParentPath();
// If this spec is a relational attribute, its parent path will be
// a target path. Since Sdf does not provide specs for relationship targets
// we return the target's owning relationship instead.
if (parentPath.IsTargetPath()) {
parentPath = parentPath.GetParentPath();
}
return GetLayer()->GetObjectAtPath(parentPath);
}
// *************************************************************
// GetShapefile()
// *************************************************************
IShapefile* CMapView::GetShapefile(LONG LayerHandle)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
Layer * layer = GetLayer(LayerHandle);
if (!layer) return NULL;
IShapefile* sf = NULL;
if (layer->QueryShapefile(&sf)) {
return sf;
}
return NULL;
}
// *************************************************************
// GetOgrLayer()
// *************************************************************
IOgrLayer* CMapView::GetOgrLayer(LONG LayerHandle)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
Layer * layer = GetLayer(LayerHandle);
if (!layer) return NULL;
IOgrLayer* ogr = NULL;
if (layer->QueryOgrLayer(&ogr)) {
return ogr;
}
return NULL;
}
// *************************************************************
// GetWmsLayer()
// *************************************************************
IWmsLayer* CMapView::GetWmsLayer(LONG LayerHandle)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
Layer * layer = GetLayer(LayerHandle);
if (!layer) return NULL;
IWmsLayer* wms = NULL;
if (layer->QueryWmsLayer(&wms)) {
return wms;
}
return NULL;
}
void CModAPI_Component_Items::RenderModAPILine(const struct CNetObj_ModAPI_Line *pCurrent)
{
if(pCurrent->m_ItemLayer != GetLayer()) return;
if(!ModAPIGraphics())
return;
//Geometry
vec2 StartPos = vec2(pCurrent->m_StartX, pCurrent->m_StartY);
vec2 EndPos = vec2(pCurrent->m_EndX, pCurrent->m_EndY);
float Time = Client()->GameTick() + Client()->IntraGameTick() - pCurrent->m_StartTick;
Time = (Time/static_cast<float>(SERVER_TICK_SPEED)) * 1000.0f;
ModAPIGraphics()->DrawLine(RenderTools(),pCurrent->m_LineStyleId, StartPos, EndPos, Time);
}
void SCH_FIELD::Plot( PLOTTER* aPlotter )
{
SCH_COMPONENT* parent = ( SCH_COMPONENT* ) GetParent();
wxCHECK_RET( parent != NULL && parent->Type() == SCH_COMPONENT_T,
wxT( "Cannot plot field with invalid parent." ) );
COLOR4D color = GetLayerColor( GetLayer() );
if( !IsVisible() )
return;
if( IsVoid() )
return;
/* Calculate the text orientation, according to the component
* orientation/mirror */
int orient = GetTextAngle();
if( parent->GetTransform().y1 ) // Rotate component 90 deg.
{
if( orient == TEXT_ANGLE_HORIZ )
orient = TEXT_ANGLE_VERT;
else
orient = TEXT_ANGLE_HORIZ;
}
/* Calculate the text justification, according to the component
* orientation/mirror
* this is a bit complicated due to cumulative calculations:
* - numerous cases (mirrored or not, rotation)
* - the DrawGraphicText function recalculate also H and H justifications
* according to the text orientation.
* - When a component is mirrored, the text is not mirrored and
* justifications are complicated to calculate
* so the more easily way is to use no justifications ( Centered text )
* and use GetBoundaryBox to know the text coordinate considered as centered
*/
EDA_RECT BoundaryBox = GetBoundingBox();
EDA_TEXT_HJUSTIFY_T hjustify = GR_TEXT_HJUSTIFY_CENTER;
EDA_TEXT_VJUSTIFY_T vjustify = GR_TEXT_VJUSTIFY_CENTER;
wxPoint textpos = BoundaryBox.Centre();
int thickness = GetPenSize();
aPlotter->Text( textpos, color, GetFullyQualifiedText(), orient, GetTextSize(),
hjustify, vjustify,
thickness, IsItalic(), IsBold() );
}
void GERBER_DRAW_ITEM::Show( int nestLevel, std::ostream& os ) const
{
NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str() <<
" shape=\"" << m_Shape << '"' <<
" addr=\"" << std::hex << this << std::dec << '"' <<
" layer=\"" << GetLayer() << '"' <<
" size=\"" << m_Size << '"' <<
" flags=\"" << m_Flags << '"' <<
" status=\"" << GetStatus() << '"' <<
"<start" << m_Start << "/>" <<
"<end" << m_End << "/>";
os << "</" << GetClass().Lower().mb_str() << ">\n";
}
void ZONE_CONTAINER::AddPolygon( std::vector< wxPoint >& aPolygon )
{
if( aPolygon.empty() )
return;
for( unsigned i = 0; i < aPolygon.size(); i++ )
{
if( i == 0 )
m_Poly->Start( GetLayer(), aPolygon[i].x, aPolygon[i].y, GetHatchStyle() );
else
AppendCorner( aPolygon[i] );
}
m_Poly->CloseLastContour();
}
// *************************************************************
// GetImage()
// *************************************************************
IImage* CMapView::GetImage(LONG LayerHandle)
{
AFX_MANAGE_STATE(AfxGetStaticModuleState());
Layer * layer = GetLayer(LayerHandle);
if (!layer) return NULL;
IImage* img = NULL;
if (layer->QueryImage(&img))
{
return img;
}
return NULL;
}