void Sprite::OnDraw( Gdiplus::Graphics &g, const Gdiplus::RectF &rcDirty )
{
if (!m_bVisible)
{
return; // 子节点也不会被绘制
}
// 前序遍历 让父节点先绘制
//Gdiplus::RectF rc = GetRect();
//if (10 == rc.Width && 10 == rc.Height)
//{
// LOGW(<<L"Orignal Size 10 10"); // 检查下有没有多余的重绘
//}
if (m_bClipChildren)
{
Gdiplus::RectF rcClip = GetRect();
rcClip.X = 0.0f;
rcClip.Y = 0.0f;
g.SetClip(rcClip);
}
PaintEvent ev;
ev.graphics = &g;
ev.rcDirty = rcDirty;
SendNotify(ePaint, &ev);
//this->ClientDraw(g, rcDirty);
Sprite *sp = m_firstChild;
while(sp)
{
// 如果需要重绘部分矩形和sp相交则重画它 否则不重画
// 这里还有个问题就是 父矩形必须比子矩形要大 否则可能父的相交不到 而子的相交的到
// 可能要强制这一原理 类似于浏览器 会撑大
Gdiplus::RectF rc2 = sp->GetRect();
Gdiplus::RectF rcAbs = sp->GetAbsRect();
rcAbs.X -= 0.5f; // FIXME 有时无法得到重画导致边界1像素消失
rcAbs.Y -= 0.5f;
rcAbs.Width += 1.0f;
rcAbs.Height += 1.0f;
if (rcDirty.IntersectsWith(rcAbs))
{
g.TranslateTransform(rc2.X, rc2.Y);
sp->OnDraw(g, rcDirty);
g.TranslateTransform(-rc2.X, -rc2.Y);
}
sp = sp->m_nextSibling;
}
if (m_bClipChildren)
{
g.ResetClip();
}
}
void CTabsControl::DrawItem(CTabControl *item, Gdiplus::Graphics &g)
{
CRect rect = ItemRect(item);
g.ResetTransform();
g.TranslateTransform((REAL)rect.left, (REAL)rect.top);
RectF rf(0.0f, 0.0f, (REAL)rect.Width(), (REAL)rect.Height());
RectF rx;
if(item->selected)
{
#define shadowb 10
CDIB tmp;
tmp.Resize(rect.Width() + shadowb * 2, rect.Height() + shadowb * 2);
if(tmp.Ready())
{
Graphics gt(tmp.bmp);
RectF rx(0, 0, (REAL)tmp.Width(), (REAL)tmp.Height());
GraphicsPath *path = new GraphicsPath();
path->AddLine(rx.X + shadowb, rx.Y + rx.Height - shadowb, rx.X + rx.Width - 2 - shadowb, rx.Y + rx.Height - shadowb);
path->AddLine(rx.X + rx.Width - 2 - shadowb, rx.Y + rx.Height - shadowb, rx.X + rx.Width - 2, rx.Y);
path->AddLine(rx.X + rx.Width - 2, rx.Y, rx.X + rx.Width, rx.Y + rx.Height);
path->AddLine(rx.X + rx.Width, rx.Y + rx.Height, rx.X, rx.Y + rx.Height);
path->AddLine(rx.X, rx.Y, rx.X + shadowb, rx.Y + rx.Height - shadowb);
path->CloseFigure();
SolidBrush brush(0xff000000);
gt.FillPath(&brush, path);
tmp.Blur(tmp.Rect(), CRect(0, 0, 0, 0), shadowb);
g.DrawImage(tmp.bmp, rf, shadowb, shadowb, rf.Width, rf.Height, UnitPixel);
delete path;
}
}
Font font(L"Arial", item->selected ? 8.0f : 8.0f);
StringFormat *stringFormat = new StringFormat();
stringFormat->SetAlignment(StringAlignmentCenter);
stringFormat->SetLineAlignment(StringAlignmentCenter);
stringFormat->SetTrimming(StringTrimmingEllipsisCharacter);
stringFormat->SetFormatFlags(StringFormatFlagsLineLimit);
if(item->icon->Ready())
{
g.SetInterpolationMode(InterpolationModeBicubic);
rx = rf;
rx.Y += 6;
rx.Height -= (20 + rx.Y);
rx.Width = rx.Height;
rx.X += (rf.Width - rx.Width) / 2;
if(item->selected)
{
rx.Y++;
#define shadow 5
CDIB tmp;
tmp.Resize(item->icon->Width(), item->icon->Height());
if(tmp.Ready())
{
tmp.Draw(CRect(shadow, shadow,
item->icon->Width() - shadow,
item->icon->Height() - shadow),
item->icon->Rect(), item->icon);
DIB_ARGB *p = tmp.scan0;
int size = tmp.Width() * tmp.Height();
for(int i = 0; i < size; i++, p++)
{
p->r = 0;
p->g = 0;
p->b = 0;
}
tmp.Blur(tmp.Rect(), CRect(0, 0, 0, 0), shadow);
g.DrawImage(tmp.bmp, RectF(rx.X, rx.Y + shadow, rx.Width, rx.Height));
}
tmp.Assign(item->icon);
/*if(tmp.Ready())
{
DIB_ARGB *p = tmp.scan0;
int size = tmp.Width() * tmp.Height();
for(int i = 0; i < size; i++, p++)
{
p->r = 0x6f;
p->g = 0xa6;
p->b = 0xde;
}
}*/
g.DrawImage(tmp.bmp, rx);
}
else
{
g.DrawImage(item->icon->bmp, rx);
}
}
SolidBrush brush(0xff000000);
rx = rf;
rx.Height = 20;
rx.Y = rf.Height - rx.Height;
rx.Y++;
g.DrawString(item->text.GetBuffer(), item->text.GetLength(), &font, rx, stringFormat, &brush);
brush.SetColor(item->selected && false ? 0xff6fa6de : 0xfff0f0f0);
rx.Y--;
g.DrawString(item->text.GetBuffer(), item->text.GetLength(), &font, rx, stringFormat, &brush);
delete stringFormat;
//POSITION p = items.Find(item);
//items.GetNext(p);
//if(p)
{
RectF rx = rf;
rx.X += rx.Width - 1;
rx.Width = 1;
LinearGradientBrush brush(rx, Color(140, 0x69, 0x69, 0x69), Color(0x69, 0x69, 0x69), LinearGradientModeVertical);
g.FillRectangle(&brush, rx);
}
}
void CanvasGdiplus::TranslateInt(int x, int y)
{
Gdiplus::Graphics* current = GetCurrentGraphics();
current->TranslateTransform(static_cast<Gdiplus::REAL>(x),
static_cast<Gdiplus::REAL>(y));
}
void GameManager::Render(Gdiplus::Graphics& canvas, const CRect& clientRect)
{
////////////////////////////////////////////////////////////////////////////////
// Begin example code
// Save the current transformation of the scene
Gdiplus::Matrix transform;
canvas.GetTransform(&transform);
// Offset by the negative of the player direction
canvas.TranslateTransform(-(Gdiplus::REAL)playerPtr->location.X, -(Gdiplus::REAL)playerPtr->location.Y);
int numRows = clientRect.Height() / CellSize;
int numCols = clientRect.Width() / CellSize;
// draw horizontal lines for grid
for (int row = 0; row < numRows; ++row)
{
Vector2i start = Vector2i(0, row * CellSize);
Vector2i end = Vector2i(clientRect.Width(), row * CellSize);
GameFrameworkInstance.DrawLine(canvas,
start,
end,
Gdiplus::Color::White);
}
// draw vertical lines for grid
for (int col = 0; col < numCols; ++col)
{
Vector2i start = Vector2i(col * CellSize, 0);
Vector2i end = Vector2i(col * CellSize, clientRect.Height());
GameFrameworkInstance.DrawLine(canvas,
start,
end,
Gdiplus::Color::White);
}
// Draw all of the objects
for (GameObject* objectPtr : gameObjects)
{
objectPtr->Render(canvas);
}
// Render method demonstration (You can remove all of this code)
GameFrameworkInstance.DrawLine(canvas, Vector2i(200, 200), Vector2i(400, 200), Gdiplus::Color::White);
GameFrameworkInstance.DrawRectangle(canvas, AABBi(Vector2i(10, 110), Vector2i(100, 200)), false, Gdiplus::Color::White);
GameFrameworkInstance.DrawRectangle(canvas, AABBi(Vector2i(200, 110), Vector2i(300, 200)), true, Gdiplus::Color::White);
//// restore the transform
//canvas.SetTransform(&transform);
GameFrameworkInstance.DrawCircle(canvas, Vector2i(200, 200), 50, false, Gdiplus::Color::White);
GameFrameworkInstance.DrawCircle(canvas, Vector2i(400, 200), 50, true, Gdiplus::Color::White);
GameFrameworkInstance.DrawText(canvas, Vector2i(10, 300), 12, "Arial", "Hello World!", Gdiplus::Color::White);
// Load the image file Untitled.png from the Images folder. Give it the unique name of Image1
ImageWrapper* image1 = GameFrameworkInstance.GetLoadedImage(Image1);
GameFrameworkInstance.DrawImage(canvas, Vector2i(400, 400), image1);
// Restore the transformation of the scene
canvas.SetTransform(&transform);
// End example code
////////////////////////////////////////////////////////////////////////////////
// Build Menu
Vector2i dimensions = GameManagerInstance.GetScreenDimensions();
Vector2i centrePoint = dimensions * 0.1f;
GameFrameworkInstance.DrawRectangle(canvas,
AABBi(Vector2i(0, 0) + centrePoint,
Vector2i(150, 500) + centrePoint),
true, Gdiplus::Color::Gray);
GameFrameworkInstance.DrawText(canvas, Vector2i(10, 10) + centrePoint, 12, "Arial", "[1] Wall", Gdiplus::Color::White);
GameFrameworkInstance.DrawText(canvas, Vector2i(10, 35) + centrePoint, 12, "Arial", "[2] Damage Zone", Gdiplus::Color::White);
GameFrameworkInstance.DrawText(canvas, Vector2i(10, 60) + centrePoint, 12, "Arial", "[3] Healing Zone", Gdiplus::Color::White);
}
void Graphics::TranslateTransform(float dx, float dy, MatrixOrder order) {
Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
g->TranslateTransform(dx, dy, order == MatrixOrderPrepend ? Gdiplus::MatrixOrderPrepend : Gdiplus::MatrixOrderAppend);
}