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C++ nsCSSValue::SetFloatValue方法代码示例

本文整理汇总了C++中nsCSSValue::SetFloatValue方法的典型用法代码示例。如果您正苦于以下问题：C++ nsCSSValue::SetFloatValue方法的具体用法？C++ nsCSSValue::SetFloatValue怎么用？C++ nsCSSValue::SetFloatValue使用的例子？那么恭喜您, 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nsCSSValue的用法示例。


在下文中一共展示了nsCSSValue::SetFloatValue方法的15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: 

static void
GetDevicePixelRatio(nsPresContext* aPresContext, const nsMediaFeature*,
                    nsCSSValue& aResult)
{
  if (!ShouldResistFingerprinting(aPresContext)) {
    float ratio = aPresContext->CSSPixelsToDevPixels(1.0f);
    aResult.SetFloatValue(ratio, eCSSUnit_Number);
  } else {
    aResult.SetFloatValue(1.0, eCSSUnit_Number);
  }
}
开发者ID:Wafflespeanut，项目名称:gecko-dev，代码行数:11，代码来源:nsMediaFeatures.cpp

示例2: GetDeviceSize

static void
GetDeviceHeight(nsIDocument* aDocument, const nsMediaFeature*,
                nsCSSValue& aResult)
{
  nsSize size = GetDeviceSize(aDocument);
  aResult.SetFloatValue(CSSPixel::FromAppUnits(size.height), eCSSUnit_Pixel);
}
开发者ID:luke-chang，项目名称:gecko-1，代码行数:7，代码来源:nsMediaFeatures.cpp

示例3: GetSize

static void
GetWidth(nsIDocument* aDocument, const nsMediaFeature*,
         nsCSSValue& aResult)
{
  nsSize size = GetSize(aDocument);
  aResult.SetFloatValue(CSSPixel::FromAppUnits(size.width), eCSSUnit_Pixel);
}
开发者ID:luke-chang，项目名称:gecko-1，代码行数:7，代码来源:nsMediaFeatures.cpp

示例4: GetSize

static void
GetWidth(nsPresContext* aPresContext, const nsMediaFeature*,
         nsCSSValue& aResult)
{
  nsSize size = GetSize(aPresContext);
  float pixelWidth = aPresContext->AppUnitsToFloatCSSPixels(size.width);
  aResult.SetFloatValue(pixelWidth, eCSSUnit_Pixel);
}
开发者ID:Wafflespeanut，项目名称:gecko-dev，代码行数:8，代码来源:nsMediaFeatures.cpp

示例5: GetDeviceSize

static void
GetDeviceHeight(nsPresContext* aPresContext, const nsMediaFeature*,
                nsCSSValue& aResult)
{
  nsSize size = GetDeviceSize(aPresContext);
  float pixelHeight = aPresContext->AppUnitsToFloatCSSPixels(size.height);
  aResult.SetFloatValue(pixelHeight, eCSSUnit_Pixel);
}
开发者ID:Wafflespeanut，项目名称:gecko-dev，代码行数:8，代码来源:nsMediaFeatures.cpp

示例6: 

static nsresult
GetDevicePixelRatio(nsPresContext* aPresContext, const nsMediaFeature*,
                    nsCSSValue& aResult)
{
  float ratio = aPresContext->CSSPixelsToDevPixels(1.0f);
  aResult.SetFloatValue(ratio, eCSSUnit_Number);
  return NS_OK;
}
开发者ID:BrunoReX，项目名称:palemoon，代码行数:8，代码来源:nsMediaFeatures.cpp

示例7: GetDeviceSize

static nsresult
GetDeviceWidth(nsPresContext* aPresContext, const nsMediaFeature*,
               nsCSSValue& aResult)
{
    nsSize size = GetDeviceSize(aPresContext);
    float pixelWidth = aPresContext->AppUnitsToFloatCSSPixels(size.width);
    aResult.SetFloatValue(pixelWidth, eCSSUnit_Pixel);
    return NS_OK;
}
开发者ID:BrunoReX，项目名称:palemoon，代码行数:9，代码来源:nsMediaFeatures.cpp

示例8: GetSize

static nsresult
GetHeight(nsPresContext* aPresContext, const nsMediaFeature*,
          nsCSSValue& aResult)
{
    nsSize size = GetSize(aPresContext);
    float pixelHeight = aPresContext->AppUnitsToFloatCSSPixels(size.height);
    aResult.SetFloatValue(pixelHeight, eCSSUnit_Pixel);
    return NS_OK;
}
开发者ID:BrunoReX，项目名称:palemoon，代码行数:9，代码来源:nsMediaFeatures.cpp

示例9: GetDeviceContextFor

static nsresult
GetResolution(nsPresContext* aPresContext, const nsMediaFeature*,
              nsCSSValue& aResult)
{
    // Resolution values are in device pixels, not CSS pixels.
    nsDeviceContext *dx = GetDeviceContextFor(aPresContext);
    float dpi = float(dx->AppUnitsPerPhysicalInch()) / float(dx->AppUnitsPerDevPixel());
    aResult.SetFloatValue(dpi, eCSSUnit_Inch);
    return NS_OK;
}
开发者ID:mozilla，项目名称:pjs，代码行数:10，代码来源:nsMediaFeatures.cpp

示例10: float

static nsresult
GetResolution(nsPresContext* aPresContext, const nsMediaFeature*,
              nsCSSValue& aResult)
{
    // Resolution measures device pixels per CSS (inch/cm/pixel).  We
    // return it in device pixels per CSS inches.
    float dpi = float(nsPresContext::AppUnitsPerCSSInch()) /
                float(aPresContext->AppUnitsPerDevPixel());
    aResult.SetFloatValue(dpi, eCSSUnit_Inch);
    return NS_OK;
}
开发者ID:Andrel322，项目名称:gecko-dev，代码行数:11，代码来源:nsMediaFeatures.cpp

示例11: float

static void
GetResolution(nsPresContext* aPresContext, const nsMediaFeature*,
              nsCSSValue& aResult)
{
  float dpi = 96; // Use 96 when resisting fingerprinting.

  if (!ShouldResistFingerprinting(aPresContext)) {
    // Resolution measures device pixels per CSS (inch/cm/pixel).  We
    // return it in device pixels per CSS inches.
    dpi = float(nsPresContext::AppUnitsPerCSSInch()) /
          float(aPresContext->AppUnitsPerDevPixel());
  }

  aResult.SetFloatValue(dpi, eCSSUnit_Inch);
}
开发者ID:Wafflespeanut，项目名称:gecko-dev，代码行数:15，代码来源:nsMediaFeatures.cpp

示例12: 

static void
GetDevicePixelRatio(nsIDocument* aDocument, const nsMediaFeature*,
                    nsCSSValue& aResult)
{
  if (nsContentUtils::ShouldResistFingerprinting(aDocument)) {
    aResult.SetFloatValue(1.0, eCSSUnit_Number);
    return;
  }

  nsIPresShell* presShell = aDocument->GetShell();
  if (!presShell) {
    aResult.SetFloatValue(1.0, eCSSUnit_Number);
    return;
  }

  nsPresContext* pc = presShell->GetPresContext();
  if (!pc) {
    aResult.SetFloatValue(1.0, eCSSUnit_Number);
    return;
  }

  float ratio = pc->CSSPixelsToDevPixels(1.0f);
  aResult.SetFloatValue(ratio, eCSSUnit_Number);
}
开发者ID:luke-chang，项目名称:gecko-1，代码行数:24，代码来源:nsMediaFeatures.cpp

示例13: if

/* static */ bool
nsMathMLElement::ParseNamedSpaceValue(const nsString& aString,
                                      nsCSSValue&     aCSSValue,
                                      uint32_t        aFlags)
{
   int32_t i = 0;
   // See if it is one of the 'namedspace' (ranging -7/18em, -6/18, ... 7/18em)
   if (aString.EqualsLiteral("veryverythinmathspace")) {
     i = 1;
   } else if (aString.EqualsLiteral("verythinmathspace")) {
     i = 2;
   } else if (aString.EqualsLiteral("thinmathspace")) {
     i = 3;
   } else if (aString.EqualsLiteral("mediummathspace")) {
     i = 4;
   } else if (aString.EqualsLiteral("thickmathspace")) {
     i = 5;
   } else if (aString.EqualsLiteral("verythickmathspace")) {
     i = 6;
   } else if (aString.EqualsLiteral("veryverythickmathspace")) {
     i = 7;
   } else if (aFlags & PARSE_ALLOW_NEGATIVE) {
     if (aString.EqualsLiteral("negativeveryverythinmathspace")) {
       i = -1;
     } else if (aString.EqualsLiteral("negativeverythinmathspace")) {
       i = -2;
     } else if (aString.EqualsLiteral("negativethinmathspace")) {
       i = -3;
     } else if (aString.EqualsLiteral("negativemediummathspace")) {
       i = -4;
     } else if (aString.EqualsLiteral("negativethickmathspace")) {
       i = -5;
     } else if (aString.EqualsLiteral("negativeverythickmathspace")) {
       i = -6;
     } else if (aString.EqualsLiteral("negativeveryverythickmathspace")) {
       i = -7;
     }
   }
   if (0 != i) { 
     aCSSValue.SetFloatValue(float(i)/float(18), eCSSUnit_EM);
     return true;
   }
   
   return false;
}
开发者ID:AshishNamdev，项目名称:mozilla-central，代码行数:45，代码来源:nsMathMLElement.cpp

示例14: GetDeviceContextFor

static nsresult
GetResolution(nsPresContext* aPresContext, const nsMediaFeature*,
              nsCSSValue& aResult)
{
    // Resolution measures device pixels per CSS (inch/cm/pixel).  We
    // return it in device pixels per CSS inches.
    //
    // However, on platforms where the CSS viewport is not fixed to the
    // screen viewport, use the device resolution instead (bug 779527).
    nsIPresShell *shell = aPresContext->PresShell();
    float appUnitsPerInch = shell->GetIsViewportOverridden() ?
            GetDeviceContextFor(aPresContext)->AppUnitsPerPhysicalInch() :
            nsPresContext::AppUnitsPerCSSInch();

    float dpi = appUnitsPerInch /
                float(aPresContext->AppUnitsPerDevPixel());
    aResult.SetFloatValue(dpi, eCSSUnit_Inch);
    return NS_OK;
}
开发者ID:BrunoReX，项目名称:palemoon，代码行数:19，代码来源:nsMediaFeatures.cpp

示例15: float

static void
GetResolution(nsIDocument* aDocument, const nsMediaFeature*,
              nsCSSValue& aResult)
{
  // We're returning resolution in terms of device pixels per css pixel, since
  // that is the preferred unit for media queries of resolution. This avoids
  // introducing precision error from conversion to and from less-used
  // physical units like inches.

  float dppx = 1.;

  if (nsDeviceContext* dx = GetDeviceContextFor(aDocument)) {
    if (nsContentUtils::ShouldResistFingerprinting(aDocument)) {
      dppx = dx->GetFullZoom();
    } else {
      // Get the actual device pixel ratio, which also takes zoom into account.
      dppx =
        float(nsPresContext::AppUnitsPerCSSPixel()) / dx->AppUnitsPerDevPixel();
    }
  }

  aResult.SetFloatValue(dppx, eCSSUnit_Pixel);
}
开发者ID:luke-chang，项目名称:gecko-1，代码行数:23，代码来源:nsMediaFeatures.cpp


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