EXPORT_C TSize THuiFont::LineExtentsL(const TDesC& aTextString)
{
if (aTextString.Length() == 0)
{
// Zero length strings have extents of zero.
return TSize(0, 0);
}
// Retrieve the CFont object used when rasterizing this text mesh.
CFont* font = NearestFontL();
TSize textSize( MeasureBidiTextBoundsWidth(*font, aTextString, CFont::TMeasureTextInput::EFVisualOrder),
font->FontMaxHeight());
const CAknLayoutFont* layoutFont = 0;
if (CCoeEnv::Static())
{
layoutFont = CAknLayoutFont::AsCAknLayoutFontOrNull( font );
}
if ( layoutFont )
{
textSize.iHeight = font->HeightInPixels();
TInt textPaneHeight = layoutFont->TextPaneHeight();
TInt textPaneTopToBaseline = layoutFont->TextPaneTopToBaseline();
textSize.iHeight += textPaneHeight - textPaneTopToBaseline;
textSize.iHeight += KHuiFontVerticalShiftInPixels;
}
else
{
textSize.iHeight = Max(textSize.iHeight, font->HeightInPixels());
textSize.iHeight += 3; // the best approximation - fails on big (>=72) fonts
}
// Return the calculated text size.
return textSize;
}
void CHelloControl::Draw(const TRect& /* aRect */) const
{
// draw surrounding rectangle
SystemGc().DrawRect(Rect());
// calculate rectangle to draw into
TRect rect = Rect();
rect.Shrink(1, 1);
// calculate vertical centering
CFont *font = iMessageFont;
TInt ascent = (rect.Height() - font->HeightInPixels()) / 2
+ font->AscentInPixels();
// draw text in rectangle
CWindowGc& gc = SystemGc();
gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
gc.UseFont(iMessageFont);
switch (Phase())
{
case 0:
gc.DrawText(KTxtDrawCase0, rect, ascent, CGraphicsContext::ECenter,
0);
break;
case 1:
gc.DrawText(KTxtDrawCase1, rect, ascent, CGraphicsContext::ECenter,
0);
break;
case 2:
gc.DrawText(KTxtDrawCase2, rect, ascent, CGraphicsContext::ECenter,
0);
break;
case 3:
gc.DrawText(KTxtDrawCase3, rect, ascent, CGraphicsContext::ECenter,
0);
break;
case 4:
gc.DrawText(KTxtDrawCase4, rect, ascent, CGraphicsContext::ECenter,
0);
break;
case 5:
gc.DrawText(KTxtDrawCase5, rect, ascent, CGraphicsContext::ECenter,
0);
break;
case 6:
gc.DrawText(KTxtDrawCase6, rect, ascent, CGraphicsContext::ECenter,
0);
break;
default:
break;
};
}
void CFontControl::Draw(const TRect& /* aRect */) const
{
// setup screen for example
CWindowGc& gc = SystemGc();
gc.Clear();
// create a centered rectangle of the default size
TRect drawRect = Rect();
// set up absolute font-spec and text box for 300 twips font
TFontSpec fontSpec(iCurrentFont, 300);
// find the nearest font to the specified one
CFont* drawFont;
iDeviceMap->GetNearestFontInTwips(drawFont, fontSpec);
// use it for this graphics context
gc.UseFont(drawFont);
// get font height
TInt textHeight = drawFont->HeightInPixels();
// set up the positioning of the character set rows
TInt exampleMargin = 0;
TInt currentOffset = ((drawRect.Height() + textHeight) / 2) - (TInt) (textHeight * 2.4);
// set up descriptors to hold Unicode characters 32 to 255
TBuf<50> buffer;
TInt endPoint[6] =
{
64, 96, 138, 182, 216, 255
};
TInt count = 32;
for (TInt pass = 0; pass <= 5; pass++)
{
while (count <= endPoint[pass])
{
buffer.Append((TUint) count);
count++;
}
// draw the row in the current font
gc.DrawText(buffer, drawRect, currentOffset,
CGraphicsContext::ECenter, exampleMargin);
currentOffset = currentOffset + (TInt) (textHeight * 1.2);
buffer.Zero();
}
// discard and release font
gc.DiscardFont();
iDeviceMap->ReleaseFont(drawFont);
}
void CCalendarManagerContainer::DrawSchedule(CWindowGc& gc, const TRect& aRect, const TRgb& p_Default_Font_Color1, const CFont& p_Font) const
{
g_Pos_Y += g_Space_Y;
gc.SetPenColor(p_Default_Font_Color1);
TInt i_Count = GetScheduleCount();
if (i_Count == 0)
{
gc.DrawText(_L("\x6CA1\x6709\x65E5\x7A0B"), TRect(0, 0, aRect.Width(), g_Pos_Y), (g_Pos_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
}
else
{
TBuf<20> i_NUM;
i_NUM.Append(_L("\x6709"));
i_NUM.AppendNum(i_Count);
i_NUM.Append(_L("\x4E2A\x65E5\x7A0B"));
gc.DrawText(i_NUM, TRect(0, 0, aRect.Width(), g_Pos_Y), (g_Pos_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
}
//gc.DrawLine(TPoint(0, g_Pos_Y), TPoint(aRect.Width(), g_Pos_Y));
}
void CCalendarManagerContainer::DrawWeek(CWindowGc& gc, const TRect& aRect, const TRgb& p_Default_Font_Color1, const CFont& p_Font) const
{
gc.SetPenColor(p_Default_Font_Color1);
gc.SetUnderlineStyle(EUnderlineOff);
TInt i_Pos_X = 0;
TInt i_Pos_Y = g_Pos_Y;
for (TInt i = 0;i < sizeof(g_CalendarClass->g_Week) / sizeof(TInt);i++)
{
TBuf<10> i_Num;
i_Num.AppendNum(g_CalendarClass->g_Week[i]);
gc.DrawText(i_Num, TRect(i_Pos_X, i_Pos_Y, i_Pos_X + g_Space_X, i_Pos_Y + g_Space_Y), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels() + 1, CGraphicsContext::ECenter, 0);
i_Pos_Y += g_Space_Y + 2;
}
}
void CCalendarManagerContainer::DrawCurrentDay(CWindowGc& gc, MAknsSkinInstance* p_BgSkin, const TRgb& p_Default_Select_Color, const CFont& p_Font) const
{
TInt i_Col = (g_CalendarClass->g_SelectDay + g_CalendarClass->g_FirstWeek - 1) % 7 + 2;
TInt i_Row = (g_CalendarClass->g_SelectDay + g_CalendarClass->g_FirstWeek - 1) / 7 + 1;
TInt i_Pos_X = (i_Col - 1) * g_Space_X + i_Col - 1;
TInt i_Pos_Y = (i_Row - 1) * g_Space_Y + (i_Row - 1) * 2 + g_Pos_Y;
TRect i_OuterRect(i_Pos_X, i_Pos_Y, i_Pos_X + g_Space_X + 1, i_Pos_Y + g_Space_Y + 2);
i_OuterRect.Shrink(2, 2);
TRect i_InnerRect(i_OuterRect);
i_InnerRect.Shrink(4, 4);
AknsDrawUtils::DrawFrame(p_BgSkin, gc, i_OuterRect, i_InnerRect, KAknsIIDQsnFrList, KAknsIIDQsnFrListCenter);
gc.SetPenColor(p_Default_Select_Color);
TBuf<5> i_Num;
i_Num.AppendNum(g_CalendarClass->g_SelectDay);
if (g_CalendarClass->g_SelectYear == g_CalendarClass->g_Year && g_CalendarClass->g_SelectMonth == g_CalendarClass->g_Month && g_CalendarClass->g_SelectDay == g_CalendarClass->g_Day)
gc.SetUnderlineStyle(EUnderlineOn);
else
gc.SetUnderlineStyle(EUnderlineOff);
gc.DrawText(i_Num, TRect(i_Pos_X, i_Pos_Y, i_Pos_X + g_Space_X, i_Pos_Y + g_Space_Y), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels() + 1, CGraphicsContext::ECenter, 0);
}
void CCalendarManagerContainer::DrawDay(CWindowGc& gc, const TRect& aRect, const TRgb& p_Default_Font_Color1, const TRgb& p_Default_Font_Color2, const CFont& p_Font) const
{
gc.SetPenColor(p_Default_Font_Color1);
TInt i_Total = 0;
TInt i_WeekPos = g_CalendarClass->g_FirstWeek;
//TInt i_Pos_X = g_Space_X * (i_WeekPos + 1) + i_WeekPos + 1;
//TInt i_Pos_Y = g_Pos_Y;
TInt i_Pos_X = g_Space_X + 1;
TInt i_Pos_Y = g_Pos_Y;
if (i_WeekPos != 7)
{
gc.SetPenColor(p_Default_Font_Color2);
for (TInt i = g_CalendarClass->g_MaxDay_PreMonth - i_WeekPos + 1;i <= g_CalendarClass->g_MaxDay_PreMonth;i++)
{
TBuf<5> i_Num;
i_Num.AppendNum(i);
gc.DrawText(i_Num, TRect(i_Pos_X, i_Pos_Y, i_Pos_X + g_Space_X, i_Pos_Y + g_Space_Y), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels() + 1, CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
i_Total++;
}
}
i_Pos_X = g_Space_X * (i_WeekPos + 1) + i_WeekPos + 1;
for (TInt i = 1; i <= g_CalendarClass->g_MaxDay; i++)
{
TBuf<5> i_Num;
i_Num.AppendNum(i);
if (i_WeekPos == 0)
gc.SetPenColor(KRgbRed);
else
gc.SetPenColor(p_Default_Font_Color1);
if (g_CalendarClass->g_SelectYear == g_CalendarClass->g_Year && g_CalendarClass->g_SelectMonth == g_CalendarClass->g_Month && i == g_CalendarClass->g_Day)
gc.SetUnderlineStyle(EUnderlineOn);
else
gc.SetUnderlineStyle(EUnderlineOff);
gc.DrawText(i_Num, TRect(i_Pos_X, i_Pos_Y, i_Pos_X + g_Space_X, i_Pos_Y + g_Space_Y), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels() + 1, CGraphicsContext::ECenter, 0);
i_WeekPos++;
if (i_WeekPos >= 7)
{
i_WeekPos = 0;
i_Pos_Y += g_Space_Y + 2;
}
i_Pos_X = g_Space_X * (i_WeekPos + 1) + i_WeekPos + 1;
i_Total++;
}
TInt j = 1;
gc.SetPenColor(p_Default_Font_Color2);
for (TInt i = i_Total + 1;i <= 42;i++)
{
TBuf<5> i_Num;
i_Num.AppendNum(j);
gc.DrawText(i_Num, TRect(i_Pos_X, i_Pos_Y, i_Pos_X + g_Space_X, i_Pos_Y + g_Space_Y), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels() + 1, CGraphicsContext::ECenter, 0);
i_WeekPos++;
if (i_WeekPos >= 7)
{
i_WeekPos = 0;
i_Pos_Y += g_Space_Y + 2;
}
i_Pos_X = g_Space_X * (i_WeekPos + 1) + i_WeekPos + 1;
j++;
}
}
void CCalendarManagerContainer::DrawWeekName(CWindowGc& gc, const TRect& aRect, const TRgb& p_Default_Font_Color1, const CFont& p_Font) const
{
//TInt i_Pos_X = g_Space_X + 1;
TInt i_Pos_X = 0;
TInt i_Width = 0;
TInt i_Height = g_Pos_Y + g_Space_Y;
gc.SetPenColor(p_Default_Font_Color1);
i_Width = i_Pos_X + g_Space_X;
gc.DrawText(_L("\x5468"), TRect(i_Pos_X, g_Pos_Y, i_Width, i_Height), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
for (TInt i = 0;i < 7;i++)
{
switch (i)
{
case 0:
i_Width = i_Pos_X + g_Space_X;
gc.DrawText(_L("\x65E5"), TRect(i_Pos_X, g_Pos_Y, i_Width, i_Height), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
break;
case 1:
i_Width = i_Pos_X + g_Space_X;
gc.DrawText(_L("\x4E00"), TRect(i_Pos_X, g_Pos_Y, i_Width, i_Height), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
break;
case 2:
i_Width = i_Pos_X + g_Space_X;
gc.DrawText(_L("\x4E8C"), TRect(i_Pos_X, g_Pos_Y, i_Width, i_Height), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
break;
case 3:
i_Width = i_Pos_X + g_Space_X;
gc.DrawText(_L("\x4E09"), TRect(i_Pos_X, g_Pos_Y, i_Width, i_Height), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
break;
case 4:
i_Width = i_Pos_X + g_Space_X;
gc.DrawText(_L("\x56DB"), TRect(i_Pos_X, g_Pos_Y, i_Width, i_Height), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
break;
case 5:
i_Width = i_Pos_X + g_Space_X;
gc.DrawText(_L("\x4E94"), TRect(i_Pos_X, g_Pos_Y, i_Width, i_Height), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
break;
case 6:
i_Width = i_Pos_X + g_Space_X;
gc.DrawText(_L("\x516D"), TRect(i_Pos_X, g_Pos_Y, i_Width, i_Height), (g_Space_Y - p_Font.HeightInPixels()) / 2 + p_Font.HeightInPixels(), CGraphicsContext::ECenter, 0);
i_Pos_X += g_Space_X + 1;
break;
}
}
g_Pos_Y += g_Space_Y;
//gc.DrawLine(TPoint(0, g_Pos_Y), TPoint(aRect.Width(), g_Pos_Y));
}
void CTScreenDevice::TwipsCacheFlushL()
{
RWsSession session;
CWsScreenDevice* device;
CFont* font;
CFont* font2;
const TFontSpec fontspec(KTestFontTypefaceName,250);
TPixelsTwipsAndRotation sizeAndRotation;
// create a CWsScreenDevice instance
User::LeaveIfError(session.Connect());
device=new(ELeave) CWsScreenDevice(session);
device->Construct(iTest->iScreenNumber);
// Record a font height for use by latter tests
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font,fontspec));
const TInt height0=font->HeightInPixels();
device->ReleaseFont(font);
// 1. find font with best-matching height in twips,
// 2. change twips size of the screen (leaving pixel-size same),
// 3. find font with best-matching height in twips,
// 4. make sure that the newly found font is not the same as previous and has the different height in pixels
device->GetDefaultScreenSizeAndRotation(sizeAndRotation);
#if defined(EXTRA_LOGGING)
_LIT(KLog1,"Font height: %d for unchanged device. pixels=%d,%d twips=%d,%d");
LOG_MESSAGE6(KLog1,height0,sizeAndRotation.iPixelSize.iWidth,sizeAndRotation.iPixelSize.iHeight
,sizeAndRotation.iTwipsSize.iWidth,sizeAndRotation.iTwipsSize.iHeight);
#endif
sizeAndRotation.iTwipsSize.iHeight=2000;
sizeAndRotation.iTwipsSize.iWidth =3000;
device->SetScreenSizeAndRotation(sizeAndRotation);
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font,fontspec));
TInt height=font->HeightInPixels();
#if defined(EXTRA_LOGGING)
_LIT(KLog2,"Font height: %d for device with twips set to 2000x3000");
LOG_MESSAGE2(KLog2,height);
#endif
TFontSpec returnedSpec=font->FontSpecInTwips();
sizeAndRotation.iTwipsSize.iHeight=4000;
sizeAndRotation.iTwipsSize.iWidth =6000;
device->SetScreenSizeAndRotation(sizeAndRotation);
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font2,fontspec));
TInt height2=font2->HeightInPixels();
TFontSpec returnedSpec2 = font2->FontSpecInTwips();
#if defined(EXTRA_LOGGING)
_LIT(KLog3,"Font height: %d for device with twips set to 4000x6000");
LOG_MESSAGE2(KLog3,height2);
#endif
TEST(font!=font2);
TEST(height!=height2);
_LIT(KLogErrM,"Font Heights in pixels match unexpectantly, height=%d");
if (height==height2)
INFO_PRINTF2(KLogErrM,height);
device->ReleaseFont(font2);
device->ReleaseFont(font);
// 1. find font with best-matching height in twips,
// 2. change pixel size of the screen (leaving twip-size same),
// 3. find font with best-matching height in twips,
// 4. make sure that the newly found font is not the same as previous and has the different height in pixels
device->GetDefaultScreenSizeAndRotation(sizeAndRotation);
sizeAndRotation.iPixelSize.iHeight=240;
sizeAndRotation.iPixelSize.iWidth =640;
device->SetScreenSizeAndRotation(sizeAndRotation);
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font,fontspec));
height=font->HeightInPixels();
returnedSpec=font->FontSpecInTwips();
#if defined(EXTRA_LOGGING)
_LIT(KLog4,"Font height: %d for device with pixels set to 240x640 twips=%d,%d");
LOG_MESSAGE4(KLog4,height,sizeAndRotation.iTwipsSize.iWidth,sizeAndRotation.iTwipsSize.iHeight);
#endif
sizeAndRotation.iPixelSize.iHeight=480;
sizeAndRotation.iPixelSize.iWidth =1280;
device->SetScreenSizeAndRotation(sizeAndRotation);
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font2,fontspec));
height2=font2->HeightInPixels();
returnedSpec2=font2->FontSpecInTwips();
#if defined(EXTRA_LOGGING)
_LIT(KLog5,"Font height: %d for device with pixels set to 480x1280");
LOG_MESSAGE2(KLog5,height2);
#endif
TEST(font!=font2);
TEST(height!=height2);
if (height==height2)
INFO_PRINTF2(KLogErrM,height);
device->ReleaseFont(font2);
device->ReleaseFont(font);
// 1. double the width and height of screen in both pixels and twips
// 2. find font with best-matching height in twips,
// 3. make sure that the newly found font is the same as previous and has the same height in pixels
device->GetDefaultScreenSizeAndRotation(sizeAndRotation);
device->SetScreenSizeAndRotation(sizeAndRotation);
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font,fontspec));
sizeAndRotation.iPixelSize.iHeight*=2;
sizeAndRotation.iPixelSize.iWidth *=2;
sizeAndRotation.iTwipsSize.iHeight*=2;
sizeAndRotation.iTwipsSize.iWidth *=2;
device->SetScreenSizeAndRotation(sizeAndRotation);
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font2,fontspec));
height2=font2->HeightInPixels();
#if defined(EXTRA_LOGGING)
_LIT(KLog6,"Font height: %d for device doubled size. pixels=%d,%d twips=%d,%d");
LOG_MESSAGE6(KLog6,height2,sizeAndRotation.iPixelSize.iWidth,sizeAndRotation.iPixelSize.iHeight
,sizeAndRotation.iTwipsSize.iWidth,sizeAndRotation.iTwipsSize.iHeight);
#endif
TEST(font==font2);
TEST(height0==height2);
_LIT(KLogErrD,"Font Heights in pixels don't match, expected=%d, actual=%d");
if (height0!=height2)
INFO_PRINTF3(KLogErrD,height0,height2);
device->ReleaseFont(font2);
device->ReleaseFont(font);
// 1. swap width and height sizes of screen for both pixels and twips
// 2. find font with best-matching height in twips,
// 3. make sure that the newly found font is the same as previous and has the same height in pixels
device->GetDefaultScreenSizeAndRotation(sizeAndRotation);
device->SetScreenSizeAndRotation(sizeAndRotation);
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font,fontspec));
TInt swap=sizeAndRotation.iPixelSize.iHeight;
sizeAndRotation.iPixelSize.iHeight=sizeAndRotation.iPixelSize.iWidth;
sizeAndRotation.iPixelSize.iWidth =swap;
swap=sizeAndRotation.iTwipsSize.iHeight;
sizeAndRotation.iTwipsSize.iHeight=sizeAndRotation.iTwipsSize.iWidth;
sizeAndRotation.iTwipsSize.iWidth =swap;
device->SetScreenSizeAndRotation(sizeAndRotation);
User::LeaveIfError(device->GetNearestFontToDesignHeightInTwips(font2,fontspec));
height2 = font2->HeightInPixels();
#if defined(EXTRA_LOGGING)
_LIT(KLog7,"Font height: %d for device rotated size. pixels=%d,%d twips=%d,%d");
LOG_MESSAGE6(KLog7,height2,sizeAndRotation.iPixelSize.iWidth,sizeAndRotation.iPixelSize.iHeight
,sizeAndRotation.iTwipsSize.iWidth,sizeAndRotation.iTwipsSize.iHeight);
#endif
TEST(font==font2);
TEST(height0==height2);
if (height0!=height2)
INFO_PRINTF3(KLogErrD,height0,height2);
device->ReleaseFont(font2);
device->ReleaseFont(font);
delete device;
session.Close();
}