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C# IGraphicsContext.StrokeLine方法代码示例

本文整理汇总了C#中IGraphicsContext.StrokeLine方法的典型用法代码示例。如果您正苦于以下问题:C# IGraphicsContext.StrokeLine方法的具体用法?C# IGraphicsContext.StrokeLine怎么用?C# IGraphicsContext.StrokeLine使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IGraphicsContext的用法示例。


在下文中一共展示了IGraphicsContext.StrokeLine方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Render

        public void Render(IGraphicsContext context)
        {
            lock (_locker)
            {
                if (_brushBackground == null)
                {
                    _brushBackground = new BasicBrush(_backgroundColor);
                    _penTransparent = new BasicPen();
                    _penBorder = new BasicPen(new BasicBrush(_borderColor), 1);
                    _rectText = context.MeasureText("12345:678.90", new BasicRectangle(0, 0, Frame.Width, Frame.Height), "HelveticaNeue", 10);
                }
            }

            _density = context.Density;
            Frame = new BasicRectangle(0, 0, context.BoundsWidth, context.BoundsHeight);
            context.DrawRectangle(new BasicRectangle(0, 0, context.BoundsWidth, context.BoundsHeight), _brushBackground, _penTransparent);
            if (_audioFile == null || _audioFileLength == 0)
                return;

            // Check if scale type needs to be updated
            if (_lastWidth != ContentSize.Width)
            {
                _lastWidth = ContentSize.Width;
                CalculateScale(context.Density);
            }

            // Draw scale borders
            //Console.WriteLine("WaveFormScaleView - scaleType: {0} totalMinutes: {1} totalSeconds: {2} totalMinutesScaled: {3} totalSecondsScaled: {4}", scaleType.ToString(), totalMinutes, totalSeconds, totalMinutesScaled, totalSecondsScaled);
            context.SetPen(_penBorder);
            context.StrokeLine(new BasicPoint(0, ContentSize.Height - 1), new BasicPoint(ContentSize.Width, ContentSize.Height - 1));

            int firstVisibleIndex = (int)Math.Floor(ContentOffset.X / _tickWidth);
            int lastVisibleIndex = firstVisibleIndex + (int)Math.Floor(context.BoundsWidth / _tickWidth);
            float tickX = -ContentOffset.X + (firstVisibleIndex * _tickWidth);
            int majorTickIndex = (int)Math.Ceiling(firstVisibleIndex / 10f);
            //for (int a = firstVisibleIndex; a < _tickCount; a++)
            for (int a = firstVisibleIndex; a < lastVisibleIndex; a++)
            {
                // Ignore ticks out of bounds
                bool isMajorTick = ((a % 10) == 0);
                if (tickX >= 0 && tickX <= Frame.Width)
                {
                    //Console.WriteLine("####> WaveFormView - Scale - tick {0} x: {1} isMajorTick: {2} tickCount: {3}", a, tickX, isMajorTick, tickCount);

                    if(isMajorTick)
                        //    //context.DrawLine(new BasicPoint(tickX, context.BoundsHeight - (context.BoundsHeight / 1.25f)), new BasicPoint(tickX, context.BoundsHeight), _penMajorTick);
                        context.StrokeLine(new BasicPoint(tickX, 0), new BasicPoint(tickX, ContentSize.Height - 1));
                    else
                        context.StrokeLine(new BasicPoint(tickX, ContentSize.Height - (ContentSize.Height / 6) - 1), new BasicPoint(tickX, ContentSize.Height - 1));

                    if (isMajorTick)
                    {
                        // Draw dashed traversal line for major ticks
                        context.StrokeLine(new BasicPoint(tickX, ContentSize.Height - 1), new BasicPoint(tickX, ContentSize.Height - 1));

                        // Determine major scale text
                        int minutes = 0;
                        int seconds = 0;
                        switch (_scaleType)
                        {
                            case WaveFormScaleType._10minutes:
                                minutes = majorTickIndex * 10;
                                seconds = 0;
                                break;
                            case WaveFormScaleType._5minutes:
                                minutes = majorTickIndex * 5;
                                seconds = 0;
                                break;
                            case WaveFormScaleType._2minutes:
                                minutes = majorTickIndex * 2;
                                seconds = 0;
                                break;
                            case WaveFormScaleType._1minute:
                                minutes = majorTickIndex;
                                seconds = 0;
                                break;
                            case WaveFormScaleType._30seconds:
                                minutes = (int)Math.Floor(majorTickIndex / _scaleMultiplier);
                                seconds = (majorTickIndex % _scaleMultiplier == 0) ? 0 : 30;
                                break;
                            case WaveFormScaleType._10seconds:
                                minutes = (int)Math.Floor(majorTickIndex / _scaleMultiplier);
                                seconds = ((int)Math.Floor(majorTickIndex % _scaleMultiplier)) * 10;
                                break;
                            case WaveFormScaleType._5seconds:
                                minutes = (int)Math.Floor(majorTickIndex / _scaleMultiplier);
                                seconds = ((int)Math.Floor(majorTickIndex % _scaleMultiplier)) * 5;
                                break;
                            case WaveFormScaleType._1second:
                                minutes = (int)Math.Floor(majorTickIndex / _scaleMultiplier);
                                seconds = (int)Math.Floor(majorTickIndex % _scaleMultiplier);
                                break;
                        }

                        // Draw text at every major tick (minute count)
                        string scaleMajorTitle = string.Format("{0}:{1:00}", minutes, seconds);                    
                        //float y = ContentSize.Height - (ContentSize.Height/12f) - _rectText.Height - (0.5f * context.Density);                    
                        float y = 3 * context.Density;//ContentSize.Height - _rectText.Height - (10 * context.Density); 
						context.DrawText(scaleMajorTitle, new BasicPoint(tickX + (4 * context.Density), y), _textColor, FontFace, FontSize);
                    }
//.........这里部分代码省略.........
开发者ID:pascalfr,项目名称:MPfm,代码行数:101,代码来源:WaveFormScaleControl.cs

示例2: DrawLoops

        private void DrawLoops(IGraphicsContext context, float cursorHeight, float realScrollBarHeight)
        {
            if (_loop != null)
            {
                for (int a = 0; a < _loop.Segments.Count; a++)
                {
                    var nextSegment = _loop.GetNextSegment(a);

                    float segmentPositionPercentage = (float)_loop.Segments[a].PositionBytes / (float)Length;
                    float startX = (segmentPositionPercentage * ContentSize.Width) - ContentOffset.X;

                    float nextSegmentPositionPercentage = 0;
                    float endX = 0;
                    if (nextSegment != null)
                    {
                        nextSegmentPositionPercentage = (float)nextSegment.PositionBytes / (float)Length;
                        endX = (nextSegmentPositionPercentage * ContentSize.Width) - ContentOffset.X;
                    }

                    // Draw loop lines
                    //var pen = _markers[a].MarkerId == _activeMarkerId ? _penSelectedMarkerLine : _penMarkerLine;
                    context.SetPen(_penLoopLine);
                    context.StrokeLine(new BasicPoint(startX, 0), new BasicPoint(startX, cursorHeight));

                    // Draw text
                    //var rectText = new BasicRectangle(startX, Frame.Height - 12, 12, 12);
                    var rectText = new BasicRectangle(startX, Frame.Height - realScrollBarHeight -12, endX > startX ? endX - startX : 12, 12);
                    //var brush = _markers [a].MarkerId == _activeMarkerId ? _brushSelectedMarkerBackground : _brushMarkerBackground;
                    context.DrawRectangle(rectText, _brushLoopBackground, _penTransparent);
                    context.DrawText((a+1).ToString(), new BasicPoint(startX + 2, Frame.Height - realScrollBarHeight - 12), _textColor, LetterFontFace, LetterFontSize);
                }
            }
        }
开发者ID:pascalfr,项目名称:MPfm,代码行数:33,代码来源:WaveFormControl.cs

示例3: DrawCursors

        private void DrawCursors(IGraphicsContext context, float heightAvailable, float cursorHeight, float scrollBarCursorX)
        {
            // Draw cursor line
            context.SetPen(_penCursorLine);
            context.StrokeLine(new BasicPoint(_cursorX, 0), new BasicPoint(_cursorX, cursorHeight));
            context.StrokeLine(new BasicPoint(scrollBarCursorX, cursorHeight), new BasicPoint(scrollBarCursorX, heightAvailable));

            // Check if a secondary cursor must be drawn (i.e. when changing position)
            if (ShowSecondaryPosition)
            {
                float secondaryPositionPercentage = (float)SecondaryPosition / (float)Length;                
                _secondaryCursorX = (secondaryPositionPercentage * ContentSize.Width) - ContentOffset.X;
                _secondaryCursorX = (float)Math.Round(_secondaryCursorX * 2) / 2; // Round to 0.5
                //Console.WriteLine("secondaryPositionPercentage: {0} secondaryCursorX: {1}", secondaryPositionPercentage, _secondaryCursorX);

                // Draw cursor line
                context.SetPen(_penSecondaryCursorLine);
                context.StrokeLine(new BasicPoint(_secondaryCursorX, 0), new BasicPoint(_secondaryCursorX, cursorHeight));
            }
        }
开发者ID:pascalfr,项目名称:MPfm,代码行数:20,代码来源:WaveFormControl.cs

示例4: DrawMarkers

        private void DrawMarkers(IGraphicsContext context, float cursorHeight)
        {
            for (int a = 0; a < _markers.Count; a++)
            {
                float xPct = (float)_markers[a].PositionBytes / (float)Length;
                float x = (xPct * ContentSize.Width) - ContentOffset.X;

                // Draw cursor line
                var pen = _markers[a].MarkerId == _activeMarkerId ? _penSelectedMarkerLine : _penMarkerLine;
                context.SetPen(pen);
                context.StrokeLine(new BasicPoint(x, 0), new BasicPoint(x, cursorHeight));

                // Draw text
                var rectText = new BasicRectangle(x, 0, 12, 12);
                var brush = _markers[a].MarkerId == _activeMarkerId ? _brushSelectedMarkerBackground : _brushMarkerBackground;
                context.DrawRectangle(rectText, brush, _penTransparent);
                string letter = Conversion.IndexToLetter(a).ToString();
                context.DrawText(letter, new BasicPoint(x + 2, 0), _textColor, LetterFontFace, LetterFontSize);
            }
        }
开发者ID:pascalfr,项目名称:MPfm,代码行数:20,代码来源:WaveFormControl.cs


注:本文中的IGraphicsContext.StrokeLine方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。