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C++ PlanarYCbCrImage::GetSize方法代码示例

本文整理汇总了C++中PlanarYCbCrImage::GetSize方法的典型用法代码示例。如果您正苦于以下问题：C++ PlanarYCbCrImage::GetSize方法的具体用法？C++ PlanarYCbCrImage::GetSize怎么用？C++ PlanarYCbCrImage::GetSize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PlanarYCbCrImage的用法示例。


在下文中一共展示了PlanarYCbCrImage::GetSize方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: autoLock

void
ImageLayerOGL::RenderLayer(int,
                           const nsIntPoint& aOffset)
{
  nsRefPtr<ImageContainer> container = GetContainer();

  if (!container || mOGLManager->CompositingDisabled())
    return;

  mOGLManager->MakeCurrent();

  AutoLockImage autoLock(container);

  Image *image = autoLock.GetImage();
  if (!image) {
    return;
  }

  NS_ASSERTION(image->GetFormat() != REMOTE_IMAGE_BITMAP,
    "Remote images aren't handled yet in OGL layers!");

  if (image->GetFormat() == PLANAR_YCBCR) {
    PlanarYCbCrImage *yuvImage =
      static_cast<PlanarYCbCrImage*>(image);

    if (!yuvImage->IsValid()) {
      return;
    }

    PlanarYCbCrOGLBackendData *data =
      static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LAYERS_OPENGL));

    if (data && data->mTextures->GetGLContext() != gl()) {
      // If these textures were allocated by another layer manager,
      // clear them out and re-allocate below.
      data = nullptr;
      yuvImage->SetBackendData(LAYERS_OPENGL, nullptr);
    }

    if (!data) {
      AllocateTexturesYCbCr(yuvImage);
      data = static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LAYERS_OPENGL));
    }

    if (!data || data->mTextures->GetGLContext() != gl()) {
      // XXX - Can this ever happen? If so I need to fix this!
      return;
    }

    gl()->MakeCurrent();
    gl()->fActiveTexture(LOCAL_GL_TEXTURE2);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[2].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE1);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[1].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[0].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    
    ShaderProgramOGL *program = mOGLManager->GetProgram(YCbCrLayerProgramType,
                                                        GetMaskLayer());

    program->Activate();
    program->SetLayerQuadRect(nsIntRect(0, 0,
                                        yuvImage->GetSize().width,
                                        yuvImage->GetSize().height));
    program->SetLayerTransform(GetEffectiveTransform());
    program->SetLayerOpacity(GetEffectiveOpacity());
    program->SetRenderOffset(aOffset);
    program->SetYCbCrTextureUnits(0, 1, 2);
    program->LoadMask(GetMaskLayer());

    mOGLManager->BindAndDrawQuadWithTextureRect(program,
                                                yuvImage->GetData()->GetPictureRect(),
                                                nsIntSize(yuvImage->GetData()->mYSize.width,
                                                          yuvImage->GetData()->mYSize.height));

    // We shouldn't need to do this, but do it anyway just in case
    // someone else forgets.
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
  } else if (image->GetFormat() == CAIRO_SURFACE) {
    CairoImage *cairoImage =
      static_cast<CairoImage*>(image);

    if (!cairoImage->mSurface) {
      return;
    }

    NS_ASSERTION(cairoImage->mSurface->GetContentType() != gfxASurface::CONTENT_ALPHA,
                 "Image layer has alpha image");

    CairoOGLBackendData *data =
      static_cast<CairoOGLBackendData*>(cairoImage->GetBackendData(LAYERS_OPENGL));

    if (data && data->mTexture.GetGLContext() != gl()) {
      // If this texture was allocated by another layer manager, clear
      // it out and re-allocate below.
      data = nullptr;
      cairoImage->SetBackendData(LAYERS_OPENGL, nullptr);
//.........这里部分代码省略.........
开发者ID:Web5design，项目名称:mozilla-central，代码行数:101，代码来源:ImageLayerOGL.cpp

示例2: autoLock

void
ImageLayerD3D9::RenderLayer()
{
  ImageContainer *container = GetContainer();
  if (!container || mD3DManager->CompositingDisabled()) {
    return;
  }

  AutoLockImage autoLock(container);

  Image *image = autoLock.GetImage();
  if (!image) {
    return;
  }

  SetShaderTransformAndOpacity();

  gfx::IntSize size = image->GetSize();

  if (image->GetFormat() == ImageFormat::CAIRO_SURFACE ||
      image->GetFormat() == ImageFormat::REMOTE_IMAGE_BITMAP ||
      image->GetFormat() == ImageFormat::D3D9_RGB32_TEXTURE)
  {
    NS_ASSERTION(image->GetFormat() != ImageFormat::CAIRO_SURFACE ||
                 !static_cast<CairoImage*>(image)->mSourceSurface ||
                 static_cast<CairoImage*>(image)->mSourceSurface->GetFormat() != SurfaceFormat::A8,
                 "Image layer has alpha image");

    bool hasAlpha = false;
    nsRefPtr<IDirect3DTexture9> texture = GetTexture(image, hasAlpha);

    device()->SetVertexShaderConstantF(CBvLayerQuad,
                                       ShaderConstantRect(0,
                                                          0,
                                                          size.width,
                                                          size.height),
                                       1);

    if (hasAlpha) {
      mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBALAYER, GetMaskLayer());
    } else {
      mD3DManager->SetShaderMode(DeviceManagerD3D9::RGBLAYER, GetMaskLayer());
    }

    if (mFilter == GraphicsFilter::FILTER_NEAREST) {
      device()->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
      device()->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
    }
    device()->SetTexture(0, texture);

    image = nullptr;
    autoLock.Unlock();

    device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
    if (mFilter == GraphicsFilter::FILTER_NEAREST) {
      device()->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
      device()->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
    }
  } else {
    PlanarYCbCrImage *yuvImage =
      static_cast<PlanarYCbCrImage*>(image);

    if (!yuvImage->IsValid()) {
      return;
    }

    if (!yuvImage->GetBackendData(mozilla::layers::LayersBackend::LAYERS_D3D9)) {
      AllocateTexturesYCbCr(yuvImage, device(), mD3DManager);
    }

    PlanarYCbCrD3D9BackendData *data =
      static_cast<PlanarYCbCrD3D9BackendData*>(yuvImage->GetBackendData(mozilla::layers::LayersBackend::LAYERS_D3D9));

    if (!data) {
      return;
    }

    nsRefPtr<IDirect3DDevice9> dev;
    data->mYTexture->GetDevice(getter_AddRefs(dev));
    if (dev != device()) {
      return;
    }

    device()->SetVertexShaderConstantF(CBvLayerQuad,
                                       ShaderConstantRect(0,
                                                          0,
                                                          size.width,
                                                          size.height),
                                       1);

    device()->SetVertexShaderConstantF(CBvTextureCoords,
      ShaderConstantRect(
        (float)yuvImage->GetData()->mPicX / yuvImage->GetData()->mYSize.width,
        (float)yuvImage->GetData()->mPicY / yuvImage->GetData()->mYSize.height,
        (float)yuvImage->GetData()->mPicSize.width / yuvImage->GetData()->mYSize.width,
        (float)yuvImage->GetData()->mPicSize.height / yuvImage->GetData()->mYSize.height
      ),
      1);

    mD3DManager->SetShaderMode(DeviceManagerD3D9::YCBCRLAYER, GetMaskLayer());
//.........这里部分代码省略.........
开发者ID:CodeSpeaker，项目名称:gecko-dev，代码行数:101，代码来源:ImageLayerD3D9.cpp

示例3: autoLock

void
ImageLayerOGL::RenderLayer(int,
                           const nsIntPoint& aOffset)
{
  nsRefPtr<ImageContainer> container = GetContainer();

  if (!container || mOGLManager->CompositingDisabled())
    return;

  mOGLManager->MakeCurrent();

  AutoLockImage autoLock(container);

  Image *image = autoLock.GetImage();
  if (!image) {
    return;
  }

  NS_ASSERTION(image->GetFormat() != REMOTE_IMAGE_BITMAP,
    "Remote images aren't handled yet in OGL layers!");

  if (image->GetFormat() == PLANAR_YCBCR) {
    PlanarYCbCrImage *yuvImage =
      static_cast<PlanarYCbCrImage*>(image);

    if (!yuvImage->IsValid()) {
      return;
    }

    PlanarYCbCrOGLBackendData *data =
      static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LAYERS_OPENGL));

    if (data && data->mTextures->GetGLContext() != gl()) {
      // If these textures were allocated by another layer manager,
      // clear them out and re-allocate below.
      data = nullptr;
      yuvImage->SetBackendData(LAYERS_OPENGL, nullptr);
    }

    if (!data) {
      AllocateTexturesYCbCr(yuvImage);
      data = static_cast<PlanarYCbCrOGLBackendData*>(yuvImage->GetBackendData(LAYERS_OPENGL));
    }

    if (!data || data->mTextures->GetGLContext() != gl()) {
      // XXX - Can this ever happen? If so I need to fix this!
      return;
    }

    gl()->MakeCurrent();
    gl()->fActiveTexture(LOCAL_GL_TEXTURE2);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[2].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE1);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[1].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
    gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, data->mTextures[0].GetTextureID());
    gl()->ApplyFilterToBoundTexture(mFilter);
    
    ShaderProgramOGL *program = mOGLManager->GetProgram(YCbCrLayerProgramType,
                                                        GetMaskLayer());

    program->Activate();
    program->SetLayerQuadRect(nsIntRect(0, 0,
                                        yuvImage->GetSize().width,
                                        yuvImage->GetSize().height));
    program->SetLayerTransform(GetEffectiveTransform());
    program->SetLayerOpacity(GetEffectiveOpacity());
    program->SetRenderOffset(aOffset);
    program->SetYCbCrTextureUnits(0, 1, 2);
    program->LoadMask(GetMaskLayer());

    mOGLManager->BindAndDrawQuadWithTextureRect(program,
                                                yuvImage->GetData()->GetPictureRect(),
                                                nsIntSize(yuvImage->GetData()->mYSize.width,
                                                          yuvImage->GetData()->mYSize.height));

    // We shouldn't need to do this, but do it anyway just in case
    // someone else forgets.
    gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
  } else if (image->GetFormat() == CAIRO_SURFACE) {
    CairoImage *cairoImage =
      static_cast<CairoImage*>(image);

    if (!cairoImage->mSurface) {
      return;
    }

    NS_ASSERTION(cairoImage->mSurface->GetContentType() != gfxASurface::CONTENT_ALPHA,
                 "Image layer has alpha image");

    CairoOGLBackendData *data =
      static_cast<CairoOGLBackendData*>(cairoImage->GetBackendData(LAYERS_OPENGL));

    if (data && data->mTexture.GetGLContext() != gl()) {
      // If this texture was allocated by another layer manager, clear
      // it out and re-allocate below.
      data = nullptr;
      cairoImage->SetBackendData(LAYERS_OPENGL, nullptr);
//.........这里部分代码省略.........
开发者ID:memorais，项目名称:TC2_impl，代码行数:101，代码来源:ImageLayerOGL.cpp


注：本文中的PlanarYCbCrImage::GetSize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。