C# Document.RenderToSize方法代码示例

        public void RenderToSize()
        {
            //ExStart
            //ExFor:Document.RenderToSize
            //ExSummary:Render to a bitmap at a specified location and size.
            Document doc = new Document(MyDir + "Rendering.doc");

            using (Bitmap bmp = new Bitmap(700, 700))
            {
                // User has some sort of a Graphics object. In this case created from a bitmap.
                using (Graphics gr = Graphics.FromImage(bmp))
                {
                    // The user can specify any options on the Graphics object including
                    // transform, antialiasing, page units, etc.
                    gr.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;

                    // Let's say we want to fit the page into a 3" x 3" square on the screen so use inches as units.
                    gr.PageUnit = GraphicsUnit.Inch;

                    // The output should be offset 0.5" from the edge and rotated.
                    gr.TranslateTransform(0.5f, 0.5f);
                    gr.RotateTransform(10);

                    // This is our test rectangle.
                    gr.DrawRectangle(new Pen(Color.Black, 3f / 72f), 0f, 0f, 3f, 3f);

                    // User specifies (in world coordinates) where on the Graphics to render and what size.
                    float returnedScale = doc.RenderToSize(0, gr, 0f, 0f, 3f, 3f);

                    // This is the calculated scale factor to fit 297mm into 3".
                    Console.WriteLine("The image was rendered at {0:P0} zoom.", returnedScale);

                    // One more example, this time in millimiters.
                    gr.PageUnit = GraphicsUnit.Millimeter;

                    gr.ResetTransform();

                    // Move the origin 10mm
                    gr.TranslateTransform(10, 10);

                    // Apply both scale transform and page scale for fun.
                    gr.ScaleTransform(0.5f, 0.5f);
                    gr.PageScale = 2f;

                    // This is our test rectangle.
                    gr.DrawRectangle(new Pen(Color.Black, 1), 90, 10, 50, 100);

                    // User specifies (in world coordinates) where on the Graphics to render and what size.
                    doc.RenderToSize(1, gr, 90, 10, 50, 100);

                    bmp.Save(MyDir + "Rendering.RenderToSize Out.png");
                }
            }
            //ExEnd
        }