void CQTTDemoView::MakeSmiley(GraphicsPath& path)
{
path.Reset();
path.AddEllipse(200, 350, 400, 400);
Rect rcEye(330, 520, 10, 10);
path.AddEllipse(rcEye);
rcEye.Offset(140, 0);
path.AddEllipse(rcEye);
Rect rcMouth(370, 590, 60, 60);
path.AddArc(rcMouth, 0.0f, 180.0f);
path.CloseFigure();
}
// Calculates tab's elements, based on its width and height.
// Generates a GraphicsPath, which is used for painting the tab, etc.
bool Reshape(int dx, int dy) {
dx--;
if (width == dx && height == dy)
return false;
width = dx;
height = dy;
GraphicsPath shape;
// define tab's body
shape.AddRectangle(Rect(0, 0, width, height));
shape.SetMarker();
// define "x"'s circle
int c = int((float)height * 0.78f + 0.5f); // size of bounding square for the circle
int maxC = DpiScaleX(hwnd, 17);
if (height > maxC) {
c = DpiScaleX(hwnd, 17);
}
Point p(width - c - DpiScaleX(hwnd, 3), (height - c) / 2); // circle's position
shape.AddEllipse(p.X, p.Y, c, c);
shape.SetMarker();
// define "x"
int o = int((float)c * 0.286f + 0.5f); // "x"'s offset
shape.AddLine(p.X + o, p.Y + o, p.X + c - o, p.Y + c - o);
shape.StartFigure();
shape.AddLine(p.X + c - o, p.Y + o, p.X + o, p.Y + c - o);
shape.SetMarker();
delete data;
data = new PathData();
shape.GetPathData(data);
return true;
}
// Calculates tab's elements, based on its width and height.
// Generates a GraphicsPath, which is used for painting the tab, etc.
bool Reshape(int dx, int dy) {
dx--;
if (width == dx && height == dy)
return false;
width = dx; height = dy;
GraphicsPath shape;
// define tab's body
int c = int((float)height * 0.6f + 0.5f); // size of bounding square for the arc
shape.AddArc(0, 0, c, c, 180.0f, 90.0f);
shape.AddArc(width - c, 0, c, c, 270.0f, 90.0f);
shape.AddLine(width, height, 0, height);
shape.CloseFigure();
shape.SetMarker();
// define "x"'s circle
c = height > 17 ? 14 : int((float)height * 0.78f + 0.5f); // size of bounding square for the circle
Point p(width - c - 3, (height - c) / 2); // circle's position
shape.AddEllipse(p.X, p.Y, c, c);
shape.SetMarker();
// define "x"
int o = int((float)c * 0.286f + 0.5f); // "x"'s offset
shape.AddLine(p.X+o, p.Y+o, p.X+c-o, p.Y+c-o);
shape.StartFigure();
shape.AddLine(p.X+c-o, p.Y+o, p.X+o, p.Y+c-o);
shape.SetMarker();
delete data;
data = new PathData();
shape.GetPathData(data);
return true;
}
void CAguraDlgBlue::gradationCenter(Graphics& g, CRect rt, Color& color1, Color& color2, BOOL bLine, Color& color3)
{
GraphicsPath gPath;
int iHeight = rt.Width() / 4;
int iWidth = rt.Width() / 4;
RectF rtF((REAL)rt.left - iWidth, (REAL)rt.top - iHeight, (REAL)rt.Width() + iWidth * 2, (REAL)rt.Height() + iHeight * 2);
gPath.AddEllipse(rtF);
gPath.CloseFigure();
PathGradientBrush PGB(&gPath);
PGB.SetCenterColor(color1); //would be some shade of blue, following your example
int colCount = 1;
PGB.SetSurroundColors(&color2, &colCount); //same as your center color, but with the alpha channel set to 0
//play with these numbers to get the glow effect you want
REAL blendFactors[] = {0.0f, 0.1f, 0.3f, 1.0f};
REAL blendPos[] = {0.0f, 0.4f, 0.6f, 1.0f};
//sets how transition toward the center is shaped
PGB.SetBlend(blendFactors, blendPos, 4);
//sets the scaling on the center. you may want to have it elongated in the x-direction
PGB.SetFocusScales(0.2f, 0.2f);
RectF rtDraw((REAL)rt.left, (REAL)rt.top, (REAL)rt.Width(), (REAL)rt.Height());
g.FillRectangle(&PGB, rtDraw);
if (bLine == TRUE)
{
Pen pen(color3, 1);
g.DrawRectangle(&pen, rtDraw);
}
}
//原生GDI+ 绘制
void converDemo::drawOnNativeGdi(Graphics &graphics)
{
GraphicsPath path;
path.AddEllipse(10, 10, 100, 100);
path.AddRectangle(RectF(100, 100, 200, 250));
PathGradientBrush* brush = new PathGradientBrush(&path);
Color colors[] = {
Color(0, 0, 255), Color(0, 0, 0), Color(0, 255, 0), Color(255, 0, 0)
};
REAL reals[] = {
0, 0.5, 0.8, 1
};
brush->SetInterpolationColors(colors, reals, 4);
Matrix matrix;
matrix.Translate(100, 0);
matrix.Shear(0.15, 0.3);
matrix.Scale(0.4, 0.2);
matrix.Rotate(0.5);
// brush->MultiplyTransform(&matrix, MatrixOrderAppend);
RectF rect(convertQRectF2GpRectF(QRectF(100.0f, 100.0f, 200.0f, 400.0f)));
graphics.FillRectangle(brush, rect);
delete brush;
}
void FillCylinder(Graphics* pGfx, RectF rcClient,
Brush* pFillBrush, Color cOutlineColor)
{
RectF rTopPlane(rcClient.X, rcClient.Y - 5, rcClient.Width, 5);
RectF rBottomPlane(rcClient.X, rcClient.GetBottom() - 5, rcClient.Width, 5);
// Outline pen
Pen penOutline(cOutlineColor);
// Draw body
GraphicsPath gfxPath;
gfxPath.AddArc(rTopPlane, 0, 180);
gfxPath.AddArc(rBottomPlane, 180, -180);
gfxPath.CloseFigure();
// Fill body
pGfx->FillPath(pFillBrush, &gfxPath);
// Outline body
pGfx->DrawPath(&penOutline, &gfxPath);
// Draw top plane
gfxPath.Reset();
gfxPath.AddEllipse(rTopPlane);
// Fill top plane
pGfx->FillPath(pFillBrush, &gfxPath);
// Outline top plane
pGfx->DrawPath(&penOutline, &gfxPath);
}
HRESULT CIGImageLibrary::OnDraw(ATL_DRAWINFO& di)
{
Graphics graphics (di.hdcDraw);
// Middle part
GraphicsPath path;
path.AddRectangle (RectF (0, 0,
IGIMAGELIBRARY_WIDTH, IGIMAGELIBRARY_HEIGHT));
PathGradientBrush pthGrBrush (&path);
pthGrBrush.SetCenterPoint (PointF (0.7f * (float)IGIMAGELIBRARY_WIDTH,
0.3f * (float)IGIMAGELIBRARY_HEIGHT));
pthGrBrush.SetCenterColor (IGIMAGELIBRARY_COLOR_FRAMEIN);
Color colors[] = {IGIMAGELIBRARY_COLOR_FRAMEOUT};
int count = 1;
pthGrBrush.SetSurroundColors(colors, &count);
graphics.FillPath (&pthGrBrush, &path);
// Left part
LinearGradientBrush linLeftGrBrush (PointF(0,0), PointF((float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f, 0),
IGIMAGELIBRARY_COLOR_BORDEROUT, IGIMAGELIBRARY_COLOR_BORDERMIDDLE);
graphics.FillRectangle (&linLeftGrBrush, RectF (0, 0,
(float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f,
IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_CORNERRADIUS));
LinearGradientBrush linLeft2GrBrush (PointF ((float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f - 1.0f, 0), PointF (IGIMAGELIBRARY_BORDERWIDTH, 0),
IGIMAGELIBRARY_COLOR_BORDERMIDDLE, IGIMAGELIBRARY_COLOR_BORDERIN);
graphics.FillRectangle (&linLeft2GrBrush, RectF ((float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f, 0,
(float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f,
IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_CORNERRADIUS));
// Right part
LinearGradientBrush linRightGrBrush (PointF(IGIMAGELIBRARY_WIDTH - IGIMAGELIBRARY_BORDERWIDTH - 1, 0),
PointF(IGIMAGELIBRARY_WIDTH - (float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f, 0),
IGIMAGELIBRARY_COLOR_BORDERIN, IGIMAGELIBRARY_COLOR_BORDERMIDDLE);
graphics.FillRectangle (&linRightGrBrush, RectF (IGIMAGELIBRARY_WIDTH - IGIMAGELIBRARY_BORDERWIDTH, 0,
(float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f,
IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_CORNERRADIUS));
LinearGradientBrush linRight2GrBrush (PointF(IGIMAGELIBRARY_WIDTH - (float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f - 1.0f, 0),
PointF(IGIMAGELIBRARY_WIDTH, 0),
IGIMAGELIBRARY_COLOR_BORDERMIDDLE, IGIMAGELIBRARY_COLOR_BORDEROUT);
graphics.FillRectangle (&linRight2GrBrush, RectF (IGIMAGELIBRARY_WIDTH - (float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f, 0,
(float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f,
IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_CORNERRADIUS));
// Bottom part
LinearGradientBrush linBottomGrBrush (PointF (0, IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_BORDERWIDTH - 1.0f),
PointF (0, IGIMAGELIBRARY_HEIGHT - (float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f),
IGIMAGELIBRARY_COLOR_BORDERIN, IGIMAGELIBRARY_COLOR_BORDERMIDDLE);
graphics.FillRectangle (&linBottomGrBrush, RectF (IGIMAGELIBRARY_CORNERRADIUS,
IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_BORDERWIDTH,
IGIMAGELIBRARY_WIDTH - IGIMAGELIBRARY_CORNERDIAM,
(float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f));
LinearGradientBrush linBottom2GrBrush (PointF(0,IGIMAGELIBRARY_HEIGHT - (float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f - 1.0f),
PointF(0,IGIMAGELIBRARY_HEIGHT),
IGIMAGELIBRARY_COLOR_BORDERMIDDLE, IGIMAGELIBRARY_COLOR_BORDEROUT);
graphics.FillRectangle (&linBottom2GrBrush, RectF (IGIMAGELIBRARY_CORNERRADIUS,
IGIMAGELIBRARY_HEIGHT - (float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f,
IGIMAGELIBRARY_WIDTH - IGIMAGELIBRARY_CORNERDIAM,
(float)IGIMAGELIBRARY_BORDERWIDTH / 2.0f));
// Bottom left part
GraphicsPath pathBottomLeft;
pathBottomLeft.AddEllipse (RectF (-5, IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_CORNERDIAM,
IGIMAGELIBRARY_CORNERDIAM + 10.0f, IGIMAGELIBRARY_CORNERDIAM));
PathGradientBrush pthGrBrushBottomLeft (&pathBottomLeft);
Color colorsBottom[] = {IGIMAGELIBRARY_COLOR_BORDEROUT,
IGIMAGELIBRARY_COLOR_BORDERMIDDLE,
IGIMAGELIBRARY_COLOR_BORDERIN,
IGIMAGELIBRARY_COLOR_FRAMEBORDER,
IGIMAGELIBRARY_COLOR_FRAMEBORDER};
REAL interpPositionsBottom[] = { 0.0f,
0.28f,
0.49f,
0.50f,
1.0f};
pthGrBrushBottomLeft.SetInterpolationColors (colorsBottom, interpPositionsBottom, 5);
graphics.FillRectangle (&pthGrBrushBottomLeft, RectF (0, IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_CORNERRADIUS,
IGIMAGELIBRARY_CORNERRADIUS, IGIMAGELIBRARY_CORNERRADIUS));
// Bottom right part
REAL interpPositionsBottomRight[] = { 0.0f,
0.30f,
0.54f,
0.55f,
1.0f};
GraphicsPath pathBottomRight;
pathBottomRight.AddEllipse (RectF (IGIMAGELIBRARY_WIDTH - IGIMAGELIBRARY_CORNERDIAM, IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_CORNERDIAM - 5,
IGIMAGELIBRARY_CORNERDIAM, IGIMAGELIBRARY_CORNERDIAM + 10));
PathGradientBrush pthGrBrushBottomRight (&pathBottomRight);
pthGrBrushBottomRight.SetInterpolationColors (colorsBottom, interpPositionsBottomRight, 5);
graphics.FillRectangle (&pthGrBrushBottomRight, RectF (IGIMAGELIBRARY_WIDTH - IGIMAGELIBRARY_CORNERRADIUS, IGIMAGELIBRARY_HEIGHT - IGIMAGELIBRARY_CORNERRADIUS,
IGIMAGELIBRARY_CORNERRADIUS, IGIMAGELIBRARY_CORNERRADIUS));
return S_OK;
}
