当前位置: 首页>>代码示例>>C++>>正文

C++ CFX_PathData::Transform方法代码示例

本文整理汇总了C++中CFX_PathData::Transform方法的典型用法代码示例。如果您正苦于以下问题：C++ CFX_PathData::Transform方法的具体用法？C++ CFX_PathData::Transform怎么用？C++ CFX_PathData::Transform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CFX_PathData的用法示例。


在下文中一共展示了CFX_PathData::Transform方法的4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: StartBitmapAlpha

FX_BOOL CPDF_ImageRenderer::StartBitmapAlpha()
{
    if (m_pDIBSource->IsOpaqueImage()) {
        CFX_PathData path;
        path.AppendRect(0, 0, 1, 1);
        path.Transform(&m_ImageMatrix);
        FX_DWORD fill_color = ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha);
        m_pRenderStatus->m_pDevice->DrawPath(&path, NULL, NULL, fill_color, 0, FXFILL_WINDING);
    } else {
        const CFX_DIBSource* pAlphaMask = m_pDIBSource->IsAlphaMask() ? m_pDIBSource : m_pDIBSource->GetAlphaMask();
        if (FXSYS_fabs(m_ImageMatrix.b) >= 0.5f || FXSYS_fabs(m_ImageMatrix.c) >= 0.5f) {
            int left, top;
            CFX_DIBitmap* pTransformed = pAlphaMask->TransformTo(&m_ImageMatrix, left, top);
            if (pTransformed == NULL) {
                return TRUE;
            }
            m_pRenderStatus->m_pDevice->SetBitMask(pTransformed, left, top, ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha));
            delete pTransformed;
        } else {
            CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect();
            FX_RECT image_rect = image_rect_f.GetOutterRect();
            int dest_width = m_ImageMatrix.a > 0 ? image_rect.Width() : -image_rect.Width();
            int dest_height = m_ImageMatrix.d > 0 ? -image_rect.Height() : image_rect.Height();
            int left = dest_width > 0 ? image_rect.left : image_rect.right;
            int top = dest_height > 0 ? image_rect.top : image_rect.bottom;
            m_pRenderStatus->m_pDevice->StretchBitMask(pAlphaMask, left, top, dest_width, dest_height,
                    ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha));
        }
        if (m_pDIBSource != pAlphaMask) {
            delete pAlphaMask;
        }
    }
    return FALSE;
}
开发者ID:witwall，项目名称:pdfium，代码行数:34，代码来源:fpdf_render_image.cpp

示例2: StartBitmapAlpha

bool CPDF_ImageRenderer::StartBitmapAlpha() {
  if (m_pDIBSource->IsOpaqueImage()) {
    CFX_PathData path;
    path.AppendRect(0, 0, 1, 1);
    path.Transform(&m_ImageMatrix);
    uint32_t fill_color =
        ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha);
    m_pRenderStatus->m_pDevice->DrawPath(&path, nullptr, nullptr, fill_color, 0,
                                         FXFILL_WINDING);
    return false;
  }
  CFX_MaybeOwned<CFX_DIBSource> pAlphaMask;
  if (m_pDIBSource->IsAlphaMask())
    pAlphaMask = const_cast<CFX_DIBSource*>(m_pDIBSource);
  else
    pAlphaMask = m_pDIBSource->CloneAlphaMask();

  if (FXSYS_fabs(m_ImageMatrix.b) >= 0.5f ||
      FXSYS_fabs(m_ImageMatrix.c) >= 0.5f) {
    int left;
    int top;
    std::unique_ptr<CFX_DIBitmap> pTransformed =
        pAlphaMask->TransformTo(&m_ImageMatrix, left, top);
    if (!pTransformed)
      return true;

    m_pRenderStatus->m_pDevice->SetBitMask(
        pTransformed.get(), left, top,
        ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha));
    return false;
  }
  CFX_FloatRect image_rect_f = m_ImageMatrix.GetUnitRect();
  FX_RECT image_rect = image_rect_f.GetOuterRect();
  int dest_width =
      m_ImageMatrix.a > 0 ? image_rect.Width() : -image_rect.Width();
  int dest_height =
      m_ImageMatrix.d > 0 ? -image_rect.Height() : image_rect.Height();
  int left = dest_width > 0 ? image_rect.left : image_rect.right;
  int top = dest_height > 0 ? image_rect.top : image_rect.bottom;
  m_pRenderStatus->m_pDevice->StretchBitMask(
      pAlphaMask.Get(), left, top, dest_width, dest_height,
      ArgbEncode(0xff, m_BitmapAlpha, m_BitmapAlpha, m_BitmapAlpha));
  return false;
}
开发者ID:MIPS，项目名称:external-pdfium，代码行数:44，代码来源:cpdf_imagerenderer.cpp

示例3: InitCheckPath

void CFWL_CheckBoxTP::InitCheckPath(FX_FLOAT fCheckLen) {
  if (!m_pCheckPath) {
    m_pCheckPath.reset(new CFX_Path);
    m_pCheckPath->Create();
    FX_FLOAT fWidth = kSignPath;
    FX_FLOAT fHeight = -kSignPath;
    FX_FLOAT fBottom = kSignPath;
    CFX_PointF pt1(fWidth / 15.0f, fBottom + fHeight * 2 / 5.0f);
    CFX_PointF pt2(fWidth / 4.5f, fBottom + fHeight / 16.0f);
    CFX_PointF pt3(fWidth / 3.0f, fBottom);
    CFX_PointF pt4(fWidth * 14 / 15.0f, fBottom + fHeight * 15 / 16.0f);
    CFX_PointF pt5(fWidth / 3.6f, fBottom + fHeight / 3.5f);
    CFX_PointF pt12(fWidth / 7.0f, fBottom + fHeight * 2 / 7.0f);
    CFX_PointF pt21(fWidth / 5.0f, fBottom + fHeight / 5.0f);
    CFX_PointF pt23(fWidth / 4.4f, fBottom + fHeight * 0 / 16.0f);
    CFX_PointF pt32(fWidth / 4.0f, fBottom);
    CFX_PointF pt34(fWidth * (1 / 7.0f + 7 / 15.0f),
                    fBottom + fHeight * 4 / 5.0f);
    CFX_PointF pt43(fWidth * (1 / 7.0f + 7 / 15.0f),
                    fBottom + fHeight * 4 / 5.0f);
    CFX_PointF pt45(fWidth * 7 / 15.0f, fBottom + fHeight * 8 / 7.0f);
    CFX_PointF pt54(fWidth / 3.4f, fBottom + fHeight / 3.5f);
    CFX_PointF pt51(fWidth / 3.6f, fBottom + fHeight / 4.0f);
    CFX_PointF pt15(fWidth / 3.5f, fBottom + fHeight * 3.5f / 5.0f);
    m_pCheckPath->MoveTo(pt1.x, pt1.y);
    FX_FLOAT px1 = pt12.x - pt1.x;
    FX_FLOAT py1 = pt12.y - pt1.y;
    FX_FLOAT px2 = pt21.x - pt2.x;
    FX_FLOAT py2 = pt21.y - pt2.y;
    m_pCheckPath->BezierTo(pt1.x + px1 * FX_BEZIER, pt1.y + py1 * FX_BEZIER,
                           pt2.x + px2 * FX_BEZIER, pt2.y + py2 * FX_BEZIER,
                           pt2.x, pt2.y);
    px1 = pt23.x - pt2.x;
    py1 = pt23.y - pt2.y;
    px2 = pt32.x - pt3.x;
    py2 = pt32.y - pt3.y;
    m_pCheckPath->BezierTo(pt2.x + px1 * FX_BEZIER, pt2.y + py1 * FX_BEZIER,
                           pt3.x + px2 * FX_BEZIER, pt3.y + py2 * FX_BEZIER,
                           pt3.x, pt3.y);
    px1 = pt34.x - pt3.x;
    py1 = pt34.y - pt3.y;
    px2 = pt43.x - pt4.x;
    py2 = pt43.y - pt4.y;
    m_pCheckPath->BezierTo(pt3.x + px1 * FX_BEZIER, pt3.y + py1 * FX_BEZIER,
                           pt4.x + px2 * FX_BEZIER, pt4.y + py2 * FX_BEZIER,
                           pt4.x, pt4.y);
    px1 = pt45.x - pt4.x;
    py1 = pt45.y - pt4.y;
    px2 = pt54.x - pt5.x;
    py2 = pt54.y - pt5.y;
    m_pCheckPath->BezierTo(pt4.x + px1 * FX_BEZIER, pt4.y + py1 * FX_BEZIER,
                           pt5.x + px2 * FX_BEZIER, pt5.y + py2 * FX_BEZIER,
                           pt5.x, pt5.y);
    px1 = pt51.x - pt5.x;
    py1 = pt51.y - pt5.y;
    px2 = pt15.x - pt1.x;
    py2 = pt15.y - pt1.y;
    m_pCheckPath->BezierTo(pt5.x + px1 * FX_BEZIER, pt5.y + py1 * FX_BEZIER,
                           pt1.x + px2 * FX_BEZIER, pt1.y + py2 * FX_BEZIER,
                           pt1.x, pt1.y);
    FX_FLOAT fScale = fCheckLen / kSignPath;
    CFX_Matrix mt;
    mt.Set(1, 0, 0, 1, 0, 0);
    mt.Scale(fScale, fScale);
    CFX_PathData* pData = m_pCheckPath->GetPathData();
    pData->Transform(&mt);
  }
}
开发者ID:gradescope，项目名称:pdfium，代码行数:68，代码来源:cfwl_checkboxtp.cpp

示例4: initCheckPath

void CFWL_CheckBoxTP::initCheckPath(FX_FLOAT fCheckLen) {
  if (!m_pCheckPath) {
    m_pCheckPath = new CFX_Path;
    m_pCheckPath->Create();
    FX_FLOAT fWidth = CHECKBOX_SIZE_SIGNPATH;
    FX_FLOAT fHeight = -CHECKBOX_SIZE_SIGNPATH;
    FX_FLOAT fBottom = CHECKBOX_SIZE_SIGNPATH;
    FX_FLOAT px1, py1, px2, py2;
    CFX_PointF pt1;
    pt1.Set(fWidth / 15.0f, fBottom + fHeight * 2 / 5.0f);
    CFX_PointF pt2;
    pt2.Set(fWidth / 4.5f, fBottom + fHeight / 16.0f);
    CFX_PointF pt3;
    pt3.Set(fWidth / 3.0f, fBottom);
    CFX_PointF pt4;
    pt4.Set(fWidth * 14 / 15.0f, fBottom + fHeight * 15 / 16.0f);
    CFX_PointF pt5;
    pt5.Set(fWidth / 3.6f, fBottom + fHeight / 3.5f);
    CFX_PointF pt12;
    pt12.Set(fWidth / 7.0f, fBottom + fHeight * 2 / 7.0f);
    CFX_PointF pt21;
    pt21.Set(fWidth / 5.0f, fBottom + fHeight / 5.0f);
    CFX_PointF pt23;
    pt23.Set(fWidth / 4.4f, fBottom + fHeight * 0 / 16.0f);
    CFX_PointF pt32;
    pt32.Set(fWidth / 4.0f, fBottom);
    CFX_PointF pt34;
    pt34.Set(fWidth * (1 / 7.0f + 7 / 15.0f), fBottom + fHeight * 4 / 5.0f);
    CFX_PointF pt43;
    pt43.Set(fWidth * (1 / 7.0f + 7 / 15.0f), fBottom + fHeight * 4 / 5.0f);
    CFX_PointF pt45;
    pt45.Set(fWidth * 7 / 15.0f, fBottom + fHeight * 8 / 7.0f);
    CFX_PointF pt54;
    pt54.Set(fWidth / 3.4f, fBottom + fHeight / 3.5f);
    CFX_PointF pt51;
    pt51.Set(fWidth / 3.6f, fBottom + fHeight / 4.0f);
    CFX_PointF pt15;
    pt15.Set(fWidth / 3.5f, fBottom + fHeight * 3.5f / 5.0f);
    m_pCheckPath->MoveTo(pt1.x, pt1.y);
    px1 = pt12.x - pt1.x;
    py1 = pt12.y - pt1.y;
    px2 = pt21.x - pt2.x;
    py2 = pt21.y - pt2.y;
    m_pCheckPath->BezierTo(pt1.x + px1 * FWLTHEME_BEZIER,
                           pt1.y + py1 * FWLTHEME_BEZIER,
                           pt2.x + px2 * FWLTHEME_BEZIER,
                           pt2.y + py2 * FWLTHEME_BEZIER, pt2.x, pt2.y);
    px1 = pt23.x - pt2.x;
    py1 = pt23.y - pt2.y;
    px2 = pt32.x - pt3.x;
    py2 = pt32.y - pt3.y;
    m_pCheckPath->BezierTo(pt2.x + px1 * FWLTHEME_BEZIER,
                           pt2.y + py1 * FWLTHEME_BEZIER,
                           pt3.x + px2 * FWLTHEME_BEZIER,
                           pt3.y + py2 * FWLTHEME_BEZIER, pt3.x, pt3.y);
    px1 = pt34.x - pt3.x;
    py1 = pt34.y - pt3.y;
    px2 = pt43.x - pt4.x;
    py2 = pt43.y - pt4.y;
    m_pCheckPath->BezierTo(pt3.x + px1 * FWLTHEME_BEZIER,
                           pt3.y + py1 * FWLTHEME_BEZIER,
                           pt4.x + px2 * FWLTHEME_BEZIER,
                           pt4.y + py2 * FWLTHEME_BEZIER, pt4.x, pt4.y);
    px1 = pt45.x - pt4.x;
    py1 = pt45.y - pt4.y;
    px2 = pt54.x - pt5.x;
    py2 = pt54.y - pt5.y;
    m_pCheckPath->BezierTo(pt4.x + px1 * FWLTHEME_BEZIER,
                           pt4.y + py1 * FWLTHEME_BEZIER,
                           pt5.x + px2 * FWLTHEME_BEZIER,
                           pt5.y + py2 * FWLTHEME_BEZIER, pt5.x, pt5.y);
    px1 = pt51.x - pt5.x;
    py1 = pt51.y - pt5.y;
    px2 = pt15.x - pt1.x;
    py2 = pt15.y - pt1.y;
    m_pCheckPath->BezierTo(pt5.x + px1 * FWLTHEME_BEZIER,
                           pt5.y + py1 * FWLTHEME_BEZIER,
                           pt1.x + px2 * FWLTHEME_BEZIER,
                           pt1.y + py2 * FWLTHEME_BEZIER, pt1.x, pt1.y);
    FX_FLOAT fScale = fCheckLen / CHECKBOX_SIZE_SIGNPATH;
    CFX_Matrix mt;
    mt.Set(1, 0, 0, 1, 0, 0);
    mt.Scale(fScale, fScale);
    CFX_PathData* pData = m_pCheckPath->GetPathData();
    pData->Transform(&mt);
  }
}
开发者ID:andoma，项目名称:pdfium，代码行数:87，代码来源:checkboxtp.cpp


注：本文中的CFX_PathData::Transform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。