private void button1_Click_1(object sender, EventArgs e)
{
String folderSrc = this.textBox_src.Text;
String folderDest = this.textBox_dest.Text;
if (folderSrc == null || !Directory.Exists(folderSrc))
{
MessageBox.Show("源图路径设置错误！");
return;
}
if (folderDest == null || !Directory.Exists(folderDest))
{
MessageBox.Show("目标路径设置错误！");
return;
}
currentTransform = this.comboBox1.SelectedIndex;
String formatSrc = "";
String formatDest = "";
if (currentTransform < 0)
{
MessageBox.Show("选择你需要转换的格式。");
return;
}
else
{
switch (currentTransform)
{
case TRANSFORM_PNG_GIF: //png->gif
formatSrc = "png";
formatDest = "gif";
break;
case TRANSFORM_GIF_PNG: //gif->png
formatSrc = "gif";
formatDest = "png";
break;
case TRANSFORM_PNG_24_PNG_8A: //png24->png-8+alpha
formatSrc = "png";
formatDest = "png";
break;
}
}
//开始转换
this.richTextBox.AppendText("=============开始转换=============\n");
String[] files = Directory.GetFiles(folderSrc + "\\", "*." + formatSrc);
this.richTextBox.AppendText("共发现" + files.Length + "个被转换文件" + "\n");
ImageFormat imgFormat = null;
String fileAlpha = null;
String fileDest = null;
for (int i = 0; i < files.Length; i++)
{
Image img = IOUtil.createImage(files[i]);
Image imgAlpha = null;
fileDest = files[i].Replace(folderSrc, folderDest);
fileDest = fileDest.Substring(0, fileDest.LastIndexOf('.'));
fileAlpha = fileDest + "_alpha." + formatDest;
fileDest = fileDest + "." + formatDest;
String fileName = fileDest.Substring(fileDest.LastIndexOf("\\") + 1, fileDest.Length - fileDest.LastIndexOf("\\") - 1);
switch (currentTransform)
{
case TRANSFORM_PNG_GIF: //png->gif
imgFormat = ImageFormat.Gif;
img = IndexImageProcessor.getIndexColorImage(img, files[i]);
break;
case TRANSFORM_GIF_PNG: //gif->png
imgFormat = ImageFormat.Png;
img = IndexImageProcessor.getIndexColorImage(img, files[i]);
break;
case TRANSFORM_PNG_24_PNG_8A: //png24->png-8+alpha
imgFormat = ImageFormat.Png;
Image[] imgs = PNG24Processor.getPng_8(img);
img = imgs[0];
imgAlpha = imgs[1];
break;
}
if (img != null)
{
img.Save(fileDest, imgFormat);//ImageCodecInfo encoder, EncoderParameters encoderParams
if (imgAlpha != null)
{
imgAlpha.Save(fileAlpha, imgFormat);
}
richTextBox.AppendText("转换成功->" + fileName + "\n");
}
else
{
richTextBox.AppendText("【转换失败】->" + fileName + "\n");
}
this.Refresh();
}
this.richTextBox.AppendText("=============转换完毕=============\n");
}
private void button1_Click_1(object sender, EventArgs e)
{
String folderSrc = this.textBox_src.Text;
String folderDest = this.textBox_dest.Text;
if (folderSrc == null || !Directory.Exists(folderSrc))
{
MessageBox.Show("源图路径设置错误！");
return;
}
if (folderDest == null || !Directory.Exists(folderDest))
{
MessageBox.Show("目标路径设置错误！");
return;
}
int transPercentBegin = Convert.ToInt32(numericUpDown_min.Value);
int transCount = Convert.ToInt32(numericUpDown_count.Value);
//开始转换
this.richTextBox.AppendText("=============开始转换=============\n");
String[] files = Directory.GetFiles(folderSrc + "\\", "*.png");
this.richTextBox.AppendText("共发现" + files.Length + "个被转换文件" + "\n");
String fileDest = null;
for (int i = 0; i < files.Length; i++)
{
Image img = IOUtil.createImage(files[i]);
String fileName = files[i].Substring(files[i].LastIndexOf("\\") + 1, files[i].Length - files[i].LastIndexOf("\\") - 1);
fileName = fileName.Substring(0, fileName.LastIndexOf("."));
ArrayList printPercent = new ArrayList();
//遍历每个缩放级别
for (int j = 0; j < transCount; j++)
{
fileDest = folderDest + "\\" + fileName + "_z" + (j) + ".png";
int percent = transPercentBegin + (transCount - j) * (100 - transPercentBegin) / transCount;
percent = transPercentBegin * transCount * 100 / ((j + 1) * (100 - transPercentBegin) + transPercentBegin * transCount);
int wN = percent * img.Width / 100;
int hN = percent * img.Height / 100;
printPercent.Add(percent);
Image zoomImg = new Bitmap(wN, hN);
//缩放图片
Graphics g = Graphics.FromImage(zoomImg);
GraphicsUtil.drawClip(g, img, 0, 0, 0, 0, img.Width, img.Height, 0, percent / 100.0f);
g.Dispose();
//转换成PNG
Image pngImg = IndexImageProcessor.getIndexColorImage(zoomImg, files[i]);
if (pngImg != null)
{
pngImg.Save(fileDest, ImageFormat.Png);//ImageCodecInfo encoder, EncoderParameters encoderParams
richTextBox.AppendText("转换成功->" + fileDest + "\n");
}
else
{
richTextBox.AppendText("【转换失败】->" + fileDest + "\n");
}
pngImg.Dispose();
zoomImg.Dispose();
this.Refresh();
}
richTextBox.AppendText("public static int percents[]=new int[]{");
richTextBox.AppendText("100,");
for (int j = 0; j < printPercent.Count; j++)
{
richTextBox.AppendText("" + printPercent[j]);
if (j != printPercent.Count - 1)
{
richTextBox.AppendText(",");
}
}
richTextBox.AppendText("};\n");
}
this.richTextBox.AppendText("=============转换完毕=============\n");
}