// 感谢ok群群友 yuanyilvhua(QQ:4570848**)提供测试电脑，以修复之前存在的高分屏下的bug :-)
private void button2_Click(object sender, EventArgs e)
{
PowerPoint.Selection sel = app.ActiveWindow.Selection;
if (sel.Type == PowerPoint.PpSelectionType.ppSelectionSlides && sel.SlideRange.Count > 1)
{
PowerPoint.Slides slides = app.ActivePresentation.Slides;
PowerPoint.SlideRange srange = sel.SlideRange;
int scount = srange.Count;
float wp = app.ActivePresentation.PageSetup.SlideWidth;
float hp = app.ActivePresentation.PageSetup.SlideHeight;
int pw = Properties.Settings.Default.pwidth;
int h2 = (int)(pw * hp / wp);
string name = app.ActivePresentation.Name;
if (name.Contains(".pptx"))
{
name = name.Replace(".pptx", "");
}
if (name.Contains(".ppt"))
{
name = name.Replace(".ppt", "");
}
string cPath = app.ActivePresentation.Path + @"\" + name + @" 的GIF图\";
if (!Directory.Exists(cPath))
{
Directory.CreateDirectory(cPath);
}
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(cPath);
int k = dir.GetFiles().Length + 1;
string gpath = cPath + name + "_" + k + ".gif";
int time = int.Parse(textBox1.Text.Trim());
int[] index = new int[srange.Count];
for (int i = 1; i <= srange.Count; i++)
{
index[i - 1] = srange[i].SlideIndex;
}
if (index[0] > index[1])
{
Array.Sort(index);
}
sel.Unselect();
slides.Range(index).Select();
List <string> path = new List <string>();
for (int i = 1; i <= scount; i++)
{
PowerPoint.Slide nslide = slides[index[i - 1]];
string cPath2 = cPath + name + "_" + k + ".jpg";
nslide.Export(cPath2, "jpg");
path.Add(cPath2);
k = k + 1;
}
AnimatedGifEncoder gif = new AnimatedGifEncoder();
gif.Start(gpath);
gif.SetDelay(time);
if (checkBox1.Checked)
{
gif.SetRepeat(0);
}
else
{
gif.SetRepeat(-1);
}
Bitmap bmp = null;
Graphics g = null;
for (int j = 0; j < scount; j++)
{
Image spic = Image.FromFile(path[j]);
if (j == 0)
{
bmp = new Bitmap(spic.Width, spic.Height);
bmp.SetResolution(spic.HorizontalResolution, spic.VerticalResolution);
g = Graphics.FromImage(bmp);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
}
g.Clear(panel1.BackColor);
g.DrawImage(spic, 0, 0);
gif.AddFrame(bmp);
spic.Dispose();
File.Delete(path[j]);
}
gif.Finish();
g.Dispose();
bmp.Dispose();
if (!checkBox2.Checked)
{
System.Diagnostics.Process.Start("Explorer.exe", cPath);
}
else
{
int n = srange[1].SlideNumber;
PowerPoint.Shape nshape = slides[n].Shapes.AddPicture(gpath, Office.MsoTriState.msoFalse, Office.MsoTriState.msoTrue, -pw, 0, pw, h2);
if (pw > app.ActivePresentation.PageSetup.SlideWidth)
{
nshape.LockAspectRatio = Office.MsoTriState.msoTrue;
nshape.Width = app.ActivePresentation.PageSetup.SlideWidth;
nshape.Left = 0;
nshape.Top = 0;
}
nshape.Select();
File.Delete(gpath);
if (dir.GetFiles().Length == 0)
{
Directory.Delete(cPath, true);
}
}
}
else if (sel.Type == PowerPoint.PpSelectionType.ppSelectionShapes)
{
PowerPoint.Slide slide = app.ActiveWindow.View.Slide;
PowerPoint.ShapeRange range = sel.ShapeRange;
if (sel.HasChildShapeRange)
{
range = sel.ChildShapeRange;
}
int count = range.Count;
if (count > 1)
{
string name = app.ActivePresentation.Name;
if (name.Contains(".pptx"))
{
name = name.Replace(".pptx", "");
}
if (name.Contains(".ppt"))
{
name = name.Replace(".ppt", "");
}
string cPath = app.ActivePresentation.Path + @"\" + name + @" 的GIF图\";
if (!Directory.Exists(cPath))
{
Directory.CreateDirectory(cPath);
}
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(cPath);
int k = dir.GetFiles().Length + 1;
int time = int.Parse(textBox1.Text.Trim());
string gpath = cPath + name + "_" + k + ".gif";
List <int> w = new List <int>();
List <int> h = new List <int>();
List <string> path = new List <string>();
Bitmap spic = null;
float xs = 0; float ys = 0;
for (int i = 1; i <= count; i++)
{
PowerPoint.Shape pic = range[i];
pic.Export(cPath + name + "_" + k + ".png", PowerPoint.PpShapeFormat.ppShapeFormatPNG);
spic = new Bitmap(cPath + name + "_" + k + ".png");
w.Add(spic.Width);
h.Add(spic.Height);
if (xs == 0)
{
xs = spic.HorizontalResolution;
ys = spic.VerticalResolution;
}
spic.Dispose();
path.Add(cPath + name + "_" + k + ".png");
k = k + 1;
}
int wmax = w.Max();
int hmax = h.Max();
Bitmap bmp = new Bitmap(wmax, hmax);
bmp.SetResolution(xs, ys);
Graphics g = Graphics.FromImage(bmp);
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
AnimatedGifEncoder gif = new AnimatedGifEncoder();
gif.Start(gpath);
gif.SetDelay(time);
if (checkBox1.Checked)
{
gif.SetRepeat(0);
}
else
{
gif.SetRepeat(-1);
}
if (checkBox4.Checked)
{
gif.SetQuality(300);
gif.SetTransparent(panel1.BackColor);
}
for (int j = 0; j < count; j++)
{
spic = new Bitmap(path[j]);
g.Clear(panel1.BackColor);
g.DrawImage(spic, (bmp.Width - spic.Width) / 2, (bmp.Height - spic.Height) / 2);
gif.AddFrame(bmp);
spic.Dispose();
File.Delete(path[j]);
}
gif.Finish();
g.Dispose();
bmp.Dispose();
if (!checkBox2.Checked)
{
System.Diagnostics.Process.Start("Explorer.exe", cPath);
}
else
{
PowerPoint.Shape nshape = slide.Shapes.AddPicture(gpath, Office.MsoTriState.msoFalse, Office.MsoTriState.msoTrue, -wmax, 0, wmax, hmax);
nshape.Select();
//File.Delete(cPath + name + "_" + k + ".gif");
//if (dir.GetFiles().Length == 0)
//{
// Directory.Delete(cPath, true);
//}
}
}
else
{
MessageBox.Show("请选中多张图片");
}
}
else
{
MessageBox.Show("请选中多张图片或幻灯片页面");
}
}
private void button1_Click(object sender, EventArgs e)
{
PowerPoint.Slide slide = app.ActiveWindow.View.Slide;
PowerPoint.Slides slides = app.ActivePresentation.Slides;
PowerPoint.Selection sel = app.ActiveWindow.Selection;
if (sel.Type == PowerPoint.PpSelectionType.ppSelectionNone)
{
forms.MessageBox.Show("请选中要导出的幻灯片");
}
else if (sel.Type == PowerPoint.PpSelectionType.ppSelectionSlides)
{
int wresolution = int.Parse(textBox1.Text.Trim());
int prow = int.Parse(textBox2.Text.Trim());
int pspac = int.Parse(textBox3.Text.Trim());
int pspac2 = int.Parse(textBox4.Text.Trim());
String[] arr = textBox5.Text.Trim().Split(char.Parse(","), char.Parse(" "), char.Parse("，")).ToArray();
if (wresolution <= 0 || prow <= 0 || pspac < 0 || pspac2 < 0 || arr.Count() <= 0)
{
MessageBox.Show("水平宽度/列数必须是正整数，间隔大小必须是非负整数,大图设置中的页码不能为空");
}
else
{
PowerPoint.SlideRange srange = sel.SlideRange;
int count = srange.Count;
int[] index = new int[count]; //index数组用于将页面的选择顺序强制从前到后
for (int i = 1; i <= count; i++)
{
index[i - 1] = srange[i].SlideIndex;
}
Array.Reverse(index);
Array.Sort(index);
sel.Unselect();
slides.Range(index).Select();
int[,] arrnew = new int[index.Count(), 2]; //arrnew用于初始化，arrnew[i,0]是所有页面的序号，arrnew[i,1]默认是小图
for (int i = 0; i < index.Count(); i++)
{
arrnew[i, 0] = index[i];
arrnew[i, 1] = 0;
}
if (arr.Count() > 1) //将arr数组中的“n”替换为选择的最后一页的页码
{
for (int i = 0; i < arr.Count(); i++)
{
if (arr[i] == "n")
{
arr[i] = count.ToString();
}
}
}
else if (arr[0] == "n")
{
arr[0] = count.ToString();
}
int arrprow1 = 0;
for (int i = 0; i < arrnew.Length / 2; i++) //根据数组arr标记arrnew[i,1]中哪些页面是大图
{
if (prow == 1)
{
arrnew[i, 1] = 1;
arrprow1 += 1;
}
else
{
for (int j = 0; j < arr.Count(); j++)
{
if (arrnew[i, 0] == int.Parse(arr[j]))
{
arrnew[i, 1] = 1;
arrprow1 += 1;
}
}
}
}
int wlarge = wresolution - pspac2 * 2; //根据用户设置的分辨率，计算大图和小图的宽度和高度
int hlarge = (int)(wlarge * h / w);
int wsmall = (int)((wlarge - (prow - 1) * pspac) / prow);
int hsmall = (int)(wsmall * h / w);
int arrcount = arrnew.Length / 2;
int[,] narr = new int[arrcount, 2]; //narr[0,0]是大图小图标识、narr[0,1]是水平序号
int wcount = 0; //wcount是水平序号、hcount是垂直序号、hscount是垂直方向上小图的行数、hscan是小图是否重新起一行
int hcount = 0;
int hscount = 0;
int hscan = 0;
for (int i = 0; i < arrcount; i++)
{
if (arrnew[i, 1] == 1)
{
narr[i, 0] = 1;
hcount += 1;
wcount = 0;
hscan = 0;
}
else
{
narr[i, 0] = 0;
if (wcount == 0)
{
if (hscan == 0)
{
narr[i, 1] = wcount;
wcount += 1;
hscount += 1;
hcount += 1;
}
else
{
wcount += 1;
narr[i, 1] = wcount;
wcount += 1;
}
}
else
{
if (wcount < prow)
{
narr[i, 1] = wcount;
wcount += 1;
}
else
{
wcount = 0;
narr[i, 1] = wcount;
hscount += 1;
hcount += 1;
hscan = 1;
}
}
}
}
Bitmap bmp0 = new Bitmap(wresolution, hlarge * arrprow1 + hsmall * hscount + pspac * (hcount - 1) + pspac2 * 2); //计算长图的尺寸、设置长图的分辨率
float dpi = Properties.Settings.Default.dpi;
bmp0.SetResolution(dpi, dpi);
string name = app.ActivePresentation.Name; //根据演示文稿的文件名创建长图文件夹
if (name.Contains(".pptx"))
{
name = name.Replace(".pptx", "");
}
else if (name.Contains(".ppt"))
{
name = name.Replace(".ppt", "");
}
string cPath = app.ActivePresentation.Path + @"\" + name + @" 的幻灯片\";
if (!Directory.Exists(cPath))
{
Directory.CreateDirectory(cPath);
}
for (int i = 1; i <= sel.SlideRange.Count; i++) //导出所选的页面为图片
{
PowerPoint.Slide nslide = sel.SlideRange[i];
string shname = name + "_临时_" + i;
nslide.Export(cPath + shname + ".jpg", "jpg", wresolution, (int)(wresolution * h / w));
}
Graphics g = Graphics.FromImage(bmp0);
if (!checkBox3.Checked) //设置长图的底色
{
SolidBrush br = new SolidBrush(panel1.BackColor);
g.FillRectangle(br, 0, 0, bmp0.Width, bmp0.Height);
}
int ny = pspac2;
int sc = 1;
for (int i = 1; i <= count; i++) //读取之前导出的临时图片，根据之前的narr数组计算该图片所在的位置和尺寸
{
string shname2 = name + "_临时_" + i;
Bitmap bmp1 = new Bitmap(cPath + shname2 + ".jpg");
int x = 0;
int y = 0;
int wd = 0;
int ht = 0;
if (narr[i - 1, 0] == 1)
{
wd = wlarge;
ht = hlarge;
x = pspac2;
y = y + ny;
ny = ny + ht + pspac;
}
else
{
wd = wsmall;
ht = hsmall;
x = pspac2 + narr[i - 1, 1] * (wd + pspac);
y = y + ny;
if (sc < prow)
{
if (i < count && narr[i, 0] == 1)
{
sc = 1;
ny = ny + ht + pspac;
}
else
{
sc += 1;
}
}
else
{
sc = 1;
ny = ny + ht + pspac;
}
}
g.DrawImage(bmp1, x, y, wd, ht); //在长图中进行绘制
bmp1.Dispose();
File.Delete(cPath + shname2 + ".jpg");
}
System.IO.DirectoryInfo dir = new System.IO.DirectoryInfo(cPath); //保存长图为png或jpg
int k = dir.GetFiles().Length + 1;
if (checkBox3.Checked)
{
bmp0.Save(cPath + name + "_" + k + ".png", ImageFormat.Png);
}
else
{
bmp0.Save(cPath + name + "_" + k + ".jpg", ImageFormat.Jpeg);
}
bmp0.Dispose();
System.Diagnostics.Process.Start("Explorer.exe", cPath); //完成后，打开长图所在文件夹
}
}
else
{
MessageBox.Show("请选中至少1张幻灯片");
}
}