(dc,xCenter+x,yCenter+y,RGB(255,0,0)); SetPixel(dc,xCenter-x,yCenter+y,RGB(255,0,0)); SetPixel(dc,xCenter...(dc,xCenter+x,yCenter+y,RGB(255,0,0)); SetPixel(dc,xCenter-x,yCenter+y,RGB(255,0,0)); SetPixel(dc...(dc,xCenter+x,yCenter+y,RGB(255,0,0)); SetPixel(dc,xCenter-x,yCenter+y,RGB(255,0,0)); SetPixel(dc...(dc,xCenter+x,yCenter+y,RGB(255,0,0)); SetPixel(dc,xCenter-x,yCenter+y,RGB(255,0,0)); SetPixel(dc...,xCenter+x,yCenter-y,RGB(255,0,0)); SetPixel(dc,xCenter-x,yCenter-y,RGB(255,0,0)); SetPixel(dc
int temp = m_Sum[i, j]; if (temp <= 6) { texture.SetPixel...else if (temp > 6 && temp <= 7) { texture.SetPixel...else if (temp > 7 && temp <= 8) { texture.SetPixel...} else if (temp > 12) { texture.SetPixel...} else if (temp > 12) { texture.SetPixel
(x+x2, y+y2, color); else setpixel(x+x1, y+y1, color); } 3.1.3 Bresenham画线法 void swap_value...(cury, curx, color); else setpixel(curx, cury, color); curx+=tx; }..., color); SetPixel((x0+y), (y0+x), color); SetPixel((x0+y), (y0-x), color); SetPixel((x0+...x), (y0-y), color ); SetPixel((x0-x), (y0-y), color ); SetPixel((x0-y), (y0-x), color );...SetPixel((x0-y), (y0+x), color); SetPixel((x0-x), (y0+y), color); } void Bres_Circle(int x0, int
pixels myImage.setVector ( myImage.rect, pixels ); addChild ( p_w_picpathContainer ); 如果使用的是较慢的方法,如 setPixel...() 或 setPixel32(),请使用 lock() 和 unlock() 方法加快运行速度。... positionX = Math.random()*200; positionY = Math.random()*200; // 40% transparent pixels buffer.setPixel32...要提高性能,请在对 setPixel() 或 setPixel32() 方法进行多次调用之前和之后使用此方法及 unlock() 方 法。...遍历像素的方法 (例如 getPixel()、getPixel32()、setPixel() 和 setPixel32())可能速度很慢,特别是在移动设备上。
: parameters out of bounds"); return 1; } return 0; } #define SETPIXEL(x, y, c) \ if (..._CheckBound(c)) { \ LCDSIM_SetPixelIndex(x, y, c, LCD_DISPLAY_INDEX); \ } #else #define SETPIXEL...(0xC0 >> (6 - Shift))) >> Shift; LCD_PIXELINDEX PixelIndex = *(pTrans + Index); SETPIXEL...(3 - CurrentPixel) << 1; int Index = (Pixels & (0xC0 >> (6 - Shift))) >> Shift; SETPIXEL...(x, y, *(pTrans+pixel)); } } else { for (;xsize > 0; xsize--,x++,p++) { SETPIXEL
{ for (int j = 0; j < bmp.Height; j++) { map.SetPixel... { if (flag[i+1,j+1] == 1) { b.SetPixel...} else if (flag[i+1, j+1] == 2) { b.SetPixel...0)); } else { b.SetPixel
pixelColor.G < 127.5 && pixelColor.B < 127.5) { this.bitmap.SetPixel...} else { this.bitmap.SetPixel...Level * 20 && pixelColor.B < Level * 20) { this.bitmap.SetPixel...0 : b; newlbmp.SetPixel(x - 1, y - 1, Color.FromArgb(r, g, b)); }...0 : b; newlbmp.SetPixel(x - 1, y - 1, Color.FromArgb(r, g, b)); }
,在红色框内输入代码如下: CRect rect; GetClientRect(rect); //pDC->FillSolidRect(rect,RGB(0,0,255)); //设置背景 pDC->SetPixel...(90, 45, (0,0,0)); pDC->SetPixel(180, 45, (255,0,0)); 如下图所示: ?
(bitmap.GetPixel(wl, hl).R <thr1) { bitmap_dst.SetPixel...} else { bitmap_dst.SetPixel...) { foreach (PointF item in ESCV.points) { scbitmap.SetPixel
transparency = (color.R * R + color.G * G + color.B * B) / 1000; bitmap.SetPixel...transparency = (color.R * R + color.G * G + color.B * B) / 1000; bitmap.SetPixel...0 : 255; bitmap.SetPixel(i, j, Color.FromArgb(RGB, Color.Black)); }...0 : 255; bitmap.SetPixel(i, j, Color.FromArgb(255 - RGB, Color.White)); }...transparency = (color.R * R + color.G * G + color.B * B) / 1000; bitmap.SetPixel
BitmapData类 BitmapData类专门用于位图处理,与Bitmap的不同点在于,它使用指针直接修改内存,而Bitmap是使用SetPixel()方法间接修改颜色,因此其效率远远超过SetPixel...bitmap.GetPixel(i, j); int RGB = (color.R + color.G + color.B) / 3; bitmap.SetPixel
nFlags,CPoint point) { if(this == GetCapture())//鼠标光标在窗口上 { CClientDC aDC(this);//建立画布 aDC.SetPixel...(point,RGB(255,0,0));//SetPixel画红点 } } afx_msg void OnLButtonUp(UINT nFlags,CPoint point) { ReleaseCapture
本文将实现对基本图形的绘制: windows程序画图,大体上有3种方法: (1)你告诉系统点的坐标和颜色,系统通过SetPixel来画。类似的,通过GetPixel来获取某一点像素值。...hwnd, &ps); //画出渐变的颜色 for(i = 0;i < 500;i++) { for(j = 0; j < 26;j++) { SetPixel...< 500;i++) { for (int j = 0; j < 500; j++) { if (j % 50 == 0) { SetPixel
break if numIterations setPixel...()设定像素,设定指定坐标处的qRgb image.setPixel(x + halfWidth, y + halfHeight,...allBlack = False else: #image.setPixel...()设定像素,设定指定坐标处的qRgb image.setPixel(x + halfWidth, y + halfHeight, QtGui.qRgb
num = doc->GetSize(); int i; for(i=0;i<num;++i) { CPoint point = doc->GetPoint(i); aDC->SetPixel...OnMouseMove(UINT,CPoint point) { if(this == GetCapture()) { CClientDC aDC(this);//建立画布 aDC.SetPixel
SRCCOPY) { pDC->StretchBlt(x,y,m_Width*scale,m_Height*scale,&m_DC,0,0,m_Width, m_Height, dwRop); } void setPixel...0; } CImageHolder::CImageHolder(void) { } CImageHolder::~CImageHolder(void) { } void CImageHolder::setPixel...int size, COLORREF color) { int i,j; for (i=x-size;i<=x+size;i++) for (j=y-size;j<=y+size;j++) m_DC.SetPixel
xIncrement = float(dx) / float(steps); yIncrement = float(dy) / float(steps); //SetPixel...for (k = 0; k < steps; k++) { x += xIncrement; y += yIncrement; //SetPixel
if (cell_avgSetPixel...} else { dst_bitmap.SetPixel
z.img+c.img; z.real=tmp;color++; } if(color>=its) color=255; color%=256; //直接SetPixel...绘图会比较简单,但是效率却十分低下 SetPixel(hdc,col,row,RGB(B[color],G[color],R[color])); } } } //处理消息循环 LRESULT
scrImage2.GetHeight(); for ( y=0; y<w-10; y++) { for ( x=0; x<h-10; x++) { scrImage2.SetPixel