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Added paint method for printing (and possible future owner draw)

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git-svn-id: svn://10.0.0.236/trunk@15252 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
rods%netscape.com
1998-11-24 14:57:09 +00:00
parent 7964c78293
commit da0a53c2df
20 changed files with 782 additions and 50 deletions
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136
mozilla/widget/src/xpwidgets/nsBaseWidget.cpp
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@@ -67,7 +67,8 @@ NS_METHOD nsBaseWidget::RemoveTooltips()
// nsBaseWidget constructor
//
//-------------------------------------------------------------------------
nsBaseWidget::nsBaseWidget()
nsBaseWidget::nsBaseWidget() :
mBounds(0,0,0,0)
{
mChildren = nsnull;
mEventCallback = nsnull;
@@ -77,7 +78,6 @@ nsBaseWidget::nsBaseWidget()
mEventListener = nsnull;
mClientData = nsnull;
mContext = nsnull;
mWidth = mHeight = 0;
mCursor = eCursor_standard;
mBorderStyle = eBorderStyle_none;
}
@@ -563,6 +563,43 @@ NS_METHOD nsBaseWidget::GetClientBounds(nsRect &aRect)
return GetBounds(aRect);
}
/**
* If the implementation of nsWindow supports borders this method MUST be overridden
*
**/
NS_METHOD nsBaseWidget::GetBounds(nsRect &aRect)
{
aRect = mBounds;
return NS_OK;
}
/**
* If the implementation of nsWindow supports borders this method MUST be overridden
*
**/
NS_METHOD nsBaseWidget::GetBoundsAppUnits(nsRect &aRect, float aAppUnits)
{
aRect = mBounds;
// Convert to twips
aRect.x = nscoord((PRFloat64)aRect.x * aAppUnits);
aRect.y = nscoord((PRFloat64)aRect.y * aAppUnits);
aRect.width = nscoord((PRFloat64)aRect.width * aAppUnits);
aRect.height = nscoord((PRFloat64)aRect.height * aAppUnits);
return NS_OK;
}
/**
*
*
**/
NS_METHOD nsBaseWidget::SetBounds(const nsRect &aRect)
{
mBounds = aRect;
return NS_OK;
}
/**
* Calculates the border width and height
@@ -571,16 +608,103 @@ NS_METHOD nsBaseWidget::GetClientBounds(nsRect &aRect)
NS_METHOD nsBaseWidget::GetBorderSize(PRInt32 &aWidth, PRInt32 &aHeight)
{
nsRect rectWin;
nsRect rectClient;
nsRect rect;
GetBounds(rectWin);
GetClientBounds(rectClient);
GetClientBounds(rect);
aWidth = (rectWin.width - rectClient.width) / 2;
aHeight = (rectWin.height - rectClient.height) / 2;
aWidth = (rectWin.width - rect.width) / 2;
aHeight = (rectWin.height - rect.height) / 2;
return NS_OK;
}
/**
* Calculates the border width and height
*
**/
void nsBaseWidget::DrawScaledRect(nsIRenderingContext& aRenderingContext, const nsRect & aRect, float aScale, float aAppUnits)
{
nsRect rect = aRect;
float x = (float)rect.x;
float y = (float)rect.y;
float w = (float)rect.width;
float h = (float)rect.height;
float twoAppUnits = aAppUnits * 2.0f;
for (int i=0;i<int(aScale);i++) {
rect.x = nscoord(x);
rect.y = nscoord(y);
rect.width = nscoord(w);
rect.height = nscoord(h);
aRenderingContext.DrawRect(rect);
x += aAppUnits;
y += aAppUnits;
w -= twoAppUnits;
h -= twoAppUnits;
}
}
/**
* Calculates the border width and height
*
**/
void nsBaseWidget::DrawScaledLine(nsIRenderingContext& aRenderingContext,
nscoord aSX,
nscoord aSY,
nscoord aEX,
nscoord aEY,
float aScale,
float aAppUnits,
PRBool aIsHorz)
{
float sx = (float)aSX;
float sy = (float)aSY;
float ex = (float)aEX;
float ey = (float)aEY;
float twoAppUnits = aAppUnits * 2.0f;
for (int i=0;i<int(aScale);i++) {
aSX = nscoord(sx);
aSY = nscoord(sy);
aEX = nscoord(ex);
aEY = nscoord(ey);
aRenderingContext.DrawLine(aSX, aSY, aEX, aEY);
if (aIsHorz) {
sy += aAppUnits;
ey += aAppUnits;
} else {
sx += aAppUnits;
ex += aAppUnits;
}
}
}
/**
* Paints default border (XXX - this should be done by CSS)
*
**/
NS_METHOD nsBaseWidget::Paint(nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect)
{
nsRect rect;
float appUnits;
float scale;
nsIDeviceContext * context;
aRenderingContext.GetDeviceContext(context);
context->GetCanonicalPixelScale(scale);
context->GetDevUnitsToAppUnits(appUnits);
GetBoundsAppUnits(rect, appUnits);
aRenderingContext.SetColor(NS_RGB(0,0,0));
DrawScaledRect(aRenderingContext, rect, scale, appUnits);
NS_RELEASE(context);
return NS_OK;
}