您当前的位置: 根据别人例子编写的symbian九宫格界面，怎么更改图标大小，在模拟器上看起来图片太小，在5802真机上测试更小，怎么设置图标大小，小弟刚接触symbian方面的知识，在网上也狂找了几天，还是没得解决，希望大虾们给小弟看看。运行效果如下：
代码如下
- C/C++ code
// -----------------------------------------
// CThreeViewContainer::SetGridInitialParameters()
// Sets initial parameters for grid
// -----------------------------------------
//
void CGYYX_ProjectAppView::SetGridInitialParametersL()
{
TSize mpSize; // 主窗体大小
AknLayoutUtils::LayoutMetricsSize(AknLayoutUtils::EMainPane, mpSize);
iNumOfItems = 9;
iNumOfColumns = KGridColumnCounts; // 列数
iNumOfRows = KGridRowsCounts; // 行数
// 计算出每个单元格的宽度和高度
iSizeOfCell.iWidth = mpSize.iWidth / iNumOfColumns-10;
iSizeOfCell.iHeight = mpSize.iHeight / iNumOfRows;
KGraphicsHeight = mpSize.iWidth / iNumOfColumns * 2 / 4; //图片的大小
// 滚动类型
iVerticalScrollingType = CAknGridView::EScrollIncrementLineAndLoops;
iHorizontalScrollingType = CAknGridView::EScrollIncrementLineAndLoops;
iVerticalOrientation = EFalse;
iLeftToRight = ETrue;
iTopToBottom = ETrue;
// Set grid layout
iGrid->SetLayoutL(iVerticalOrientation, iLeftToRight, iTopToBottom,
iNumOfColumns, iNumOfRows, iSizeOfCell);
// Set scrolling type
iGrid->SetPrimaryScrollingType(iVerticalScrollingType);
iGrid->SetSecondaryScrollingType(iHorizontalScrollingType);
// Set current index in grid
iGrid->SetCurrentDataIndex(0);
}
void CGYYX_ProjectAppView::CreateGridResourceL()
{
// Load graphics
LoadGraphicsL();
// Create data
AddDataL();
}
void CGYYX_ProjectAppView::LoadGraphicsL()
{
// Create icon array with granularity of 1 icon
CArrayPtr<CGulIcon>* icons = new (ELeave) CAknIconArray(iNumOfItems);
CleanupStack::PushL(icons);
TFullName fn; // 存储mbm文件的完整路径
TParsePtrC _parser(CEikonEnv::Static()->EikAppUi()->Application()->AppFullName());
fn.Append(_parser.Drive());
fn.Append(_L("\\resource\\apps\\GYYX_Project.mbm"));
for (TInt i = 0; i < iNumOfItems; i++)
{
CGulIcon* icon;
icon = iEikonEnv->CreateIconL(fn, i, i + 9);
//icon = iEikonEnv->CreateIconL(fn, EMbmTest30001+i, EMbmTest30001+i + 9);
icons->AppendL(icon);
}
iGrid->ItemDrawer()->ColumnData()->SetIconArray(icons);
CleanupStack::Pop(icons);
}
void CGYYX_ProjectAppView::AddDataL()
{
MDesCArray* array = iGrid->Model()->ItemTextArray();
CDesCArray* cArray = (CDesCArray*) array;
// The number of items in the grid.
for (TInt loop = 0; loop < iNumOfItems; loop++)
{
TBuf<32> sBuf;
sBuf.Format(_L("%d\tHuGe%d"), loop, loop);
cArray->AppendL(sBuf);
}
// Inform list box that data was added.
iGrid->HandleItemAdditionL();
}
void CGYYX_ProjectAppView::ConstructL(const TRect& aRect)
{
// Create a window for this application view
CreateWindowL();
iViewId = 1;
// Create CAknGrid instance:
iGrid = new (ELeave) CAknGrid;
//Set the container window for grid control
iGrid->SetContainerWindowL(*this);
//Create a model and attach it to grid control:
iGridM = new (ELeave) CAknGridM;
iGrid->SetModel(iGridM);
//Call ConstructL for the grid object:
TInt gridFlags = EAknListBoxSelectionGrid;
iGrid->ConstructL(this, gridFlags);
// Set observer
iGrid->SetListBoxObserver(this);
// Set initial parameters for the grid
SetGridInitialParametersL();
//Sets text to empty grid
SetEmptyTextL();
// Create resouce for grid
CreateGridResourceL();
// Set the windows size
SetRect(aRect);
// Activate the window, which makes it ready to be drawn
ActivateL();
}
CGYYX_ProjectAppView::~CGYYX_ProjectAppView()
{
// No implementation required
if (iGrid)
{
delete iGrid;
iGrid = NULL;
}
}
CCoeControl* CGYYX_ProjectAppView::ComponentControl(TInt aIndex) const
{
switch ( aIndex )
{
case 0:
return iGrid;
default:
return NULL;
}
}
void CGYYX_ProjectAppView::SizeChanged()
{
if (iGrid)
{
// Set initial parameters for the grid
TRAP_IGNORE( SetGridInitialParametersL() );
//Apply the layout to cells in the grid
ApplySelGridGraphicStyle();
iGrid->SetRect(Rect());
}
}
void CGYYX_ProjectAppView::ApplySelGridGraphicStyle()
{
//设置网格默认的前景色和背景色
AknListBoxLayouts::SetupStandardGrid( *iGrid );
//获取中文字体
const CFont* fontText = ApacPlain12();
//或者 const CFont* fontText = LatinBold12()
TInt nX = (iGrid->ColumnWidth() - KGraphicsHeight) / 2;
TInt nY = (iGrid->ItemHeight() - KGraphicsHeight - fontText->HeightInPixels()) / 2;
//设置图标的布局
AknListBoxLayouts::SetupFormGfxCell(
*iGrid,
iGrid->ItemDrawer(),
0, //图标在网格项格式串中的位置，0表示第一项
nX, //左边位置
nY, //右边位置
0, //该参数无效
0, //该参数无效
KGraphicsHeight, // Width
KGraphicsHeight, // Height
TPoint( nX, nY ), //图标左顶点的相对坐标
TPoint( KGraphicsHeight+nX, KGraphicsHeight+nY) ); //图标右底点的相对坐标
//设置文本的布局
AknListBoxLayouts::SetupFormAntiFlickerTextCell(
*iGrid,
iGrid->ItemDrawer(),
1, //文本在网格项格式串中的位置
fontText, //字体
0, //文本颜色（215是系统调色板中黑色对应的索引值）
0, //左边空白
0, //该参数无效
KGraphicsHeight+nY+fontText->HeightInPixels(), //基线
iGrid->ColumnWidth(), //文本的宽度
CGraphicsContext::ECenter, //文本对齐方式，居中
TPoint( 0, KGraphicsHeight+nY), //文本左顶点的相对坐标
TPoint( iGrid->ColumnWidth(), iGrid->ItemHeight()) ); //文本右底点的相对坐标
}
void CGYYX_ProjectAppView::ProcessUserKeyEventL()
{
/*
* 要做的工作,先获取当然选中的菜单项,再判断此菜单项是否有子菜单项,
* 如果有,则显示第二级九宫格,如果没有,则显示功能菜单
*/
//CTextListBoxModel* iTextModel = iGrid->Model();
//CDesCArray* iCArray = static_cast<CDesCArray*>(iTextModel->ItemTextArray());
//TInt index = iGrid->CurrentItemIndex() ;
//执行相应的菜单命令...暂时用对话框代替
CAknGlobalNote* glbNote = CAknGlobalNote::NewLC();
glbNote->ShowNoteL(EAknGlobalInformationNote ,_L("nihao"));
CleanupStack::PopAndDestroy();
}
void CGYYX_ProjectAppView::SetIconSizes( CArrayPtr<CGulIcon>* aIconArray )
{
TSize iconSize;
iconSize.iWidth = iSizeOfCell.iWidth; // / 2;
iconSize.iHeight = iSizeOfCell.iHeight; // / 2;
if(aIconArray->Count() > 0)
AknIconUtils::SetSize( (*aIconArray)[0]->Bitmap(), iconSize );
}
// End of File