/// <summary>
/// 查找像素点
/// </summary>
private void OnFindPixel(marginPixel datas_)
{
int index = 0;
marginPixel data_ = null;
while (true)
{
if (data_ == null)
{
data_ = datas_;
}
//marginPixel findData = findData = usePixe.Find((marginPixel user) => (user.x == data_.x && user.y == (data_.y + 1) || (user.x == (data_.x + 1) && user.y == (data_.y + 1) || user.x == (data_.x + 1) && user.y == data_.y || user.x == (data_.x + 1) && user.y == (data_.y - 1) || user.x == data_.x && user.y == (data_.y - 1) || user.x == (data_.x - 1) && user.y == (data_.y - 1) || user.x == (data_.x - 1) && user.y == data_.y || user.x == (data_.x - 1) && user.y == (data_.y + 1))));
marginPixel findData = null;
if (findData == null)
{
findData = usePixe.Find((marginPixel user) => user.x == data_.x && user.y == (data_.y + 1));
}
if (findData == null)
{
findData = usePixe.Find((marginPixel user) => user.x == (data_.x + 1) && user.y == (data_.y + 1));
}
if (findData == null)
{
findData = usePixe.Find((marginPixel user) => user.x == (data_.x + 1) && user.y == data_.y);
}
if (findData == null)
{
findData = usePixe.Find((marginPixel user) => user.x == (data_.x + 1) && user.y == (data_.y - 1));
}
//-----------------------
if (findData == null)
{
findData = usePixe.Find((marginPixel user) => user.x == data_.x && user.y == (data_.y - 1));
}
if (findData == null)
{
findData = usePixe.Find((marginPixel user) => user.x == (data_.x - 1) && user.y == (data_.y - 1));
}
if (findData == null)
{
findData = usePixe.Find((marginPixel user) => user.x == (data_.x - 1) && user.y == data_.y);
}
if (findData == null)
{
findData = usePixe.Find((marginPixel user) => user.x == (data_.x - 1) && user.y == (data_.y + 1));
}
// 查找八个方向完成
if (findData != null && index < usePixe.Count)
{
index++;
data_ = findData;
orderPixe.Add(findData);
}
else
{
break;
}
}
}
/// <summary>
/// 查找二值化后图像像素边缘（测试）
/// </summary>
private void OnGetPixelMargin(Texture2D tt_)
{
Texture2D copyText = new Texture2D(tt_.width, tt_.height);
copyText.SetPixels(tt_.GetPixels());//提取text图片的颜色，赋给copyText
copyText.Apply();
List <marginPixel> marginList = new List <marginPixel>();
for (int y = 0; y < copyText.height; ++y)
{
for (int x = 0; x < copyText.width; ++x)
{
Color curColor = tt_.GetPixel(x, y);
Color upColor = new Color(0, 0, 0, 0);
Color leftColor = new Color(0, 0, 0, 0);
Color rightColor = new Color(0, 0, 0, 0);
Color DownColor = new Color(0, 0, 0, 0);
Color leftDownColor = new Color(0, 0, 0, 0);
Color leftUpColor = new Color(0, 0, 0, 0);
Color rightDownColor = new Color(0, 0, 0, 0);
Color rightUpColor = new Color(0, 0, 0, 0);
if (y < copyText.height)
{
upColor = copyText.GetPixel(x, y + 1);
}
if (x > 0)
{
leftColor = copyText.GetPixel(x - 1, y);
}
if (x < copyText.width)
{
rightColor = copyText.GetPixel(x + 1, y);
}
if (y > 0)
{
DownColor = copyText.GetPixel(x, y - 1);
}
if (x > 0 && y > 0)
{
leftDownColor = copyText.GetPixel(x - 1, y - 1);
}
if (x > 0 && y < copyText.height)
{
leftUpColor = copyText.GetPixel(x - 1, y + 1);
}
if (x < copyText.width && y > 0)
{
rightDownColor = copyText.GetPixel(x + 1, y - 1);
}
if (x < copyText.width && y < copyText.height)
{
rightUpColor = copyText.GetPixel(x + 1, y + 1);
}
if (curColor.a == 0)
{
bool ximian = leftDownColor.a != 0 || leftUpColor.a != 0 || rightDownColor.a != 0 || rightUpColor.a != 0;
bool zheng = upColor.a != 0 || leftColor.a != 0 || rightColor.a != 0 || DownColor.a != 0;
if (zheng)
{
marginList.Add(new marginPixel(x, y, Color.red));
}
}
else
{
marginList.Add(new marginPixel(x, y, new Color(1, 1, 1, 0)));
}
}
}
for (int i = 0; i < marginList.Count; ++i)
{
marginPixel b = marginList[i];
copyText.SetPixel(b.x, b.y, b.color);
}
copyText.Apply();
img.texture = copyText;
//OnCreateModel_1(copyText);
}
private void OnCreateMesh_3(Texture2D texture_)
{
usePixe.Clear();
for (int y = 0; y < texture_.height; ++y)
{
for (int x = 0; x < texture_.width; ++x)
{
Color curColor = texture_.GetPixel(x, y);
Color upColor = new Color(0, 0, 0, 0);
Color leftColor = new Color(0, 0, 0, 0);
Color rightColor = new Color(0, 0, 0, 0);
Color DownColor = new Color(0, 0, 0, 0);
Color leftDownColor = new Color(0, 0, 0, 0);
Color leftUpColor = new Color(0, 0, 0, 0);
Color rightDownColor = new Color(0, 0, 0, 0);
Color rightUpColor = new Color(0, 0, 0, 0);
if (y < texture_.height)
{
upColor = texture_.GetPixel(x, y + 1);
}
if (x > 0)
{
leftColor = texture_.GetPixel(x - 1, y);
}
if (x < texture_.width)
{
rightColor = texture_.GetPixel(x + 1, y);
}
if (y > 0)
{
DownColor = texture_.GetPixel(x, y - 1);
}
if (x > 0 && y > 0)
{
leftDownColor = texture_.GetPixel(x - 1, y - 1);
}
if (x > 0 && y < texture_.height)
{
leftUpColor = texture_.GetPixel(x - 1, y + 1);
}
if (x < texture_.width && y > 0)
{
rightDownColor = texture_.GetPixel(x + 1, y - 1);
}
if (x < texture_.width && y < texture_.height)
{
rightUpColor = texture_.GetPixel(x + 1, y + 1);
}
if (curColor.a == 0)
{
//bool ximian = leftDownColor.a != 0 || leftUpColor.a != 0 || rightDownColor.a != 0 || rightUpColor.a != 0;
bool zheng = upColor.a != 0 || leftColor.a != 0 || rightColor.a != 0 || DownColor.a != 0;
if (zheng)
{
usePixe.Add(new marginPixel(x, y, Color.red));
}
}
}
}
for (int i = 0; i < usePixe.Count; ++i)
{
marginPixel b = usePixe[i];
texture_.SetPixel(b.x, b.y, b.color);
}
texture_.Apply();
// ----------------------
data_1 = usePixe[0];
orderPixe.Clear();
orderPixe.Add(data_1);
OnFindPixel(data_1);
Debug.Log(orderPixe.Count);
Vector3[] verts = new Vector3[orderPixe.Count * 2];
Vector2[] uvs = new Vector2[orderPixe.Count * 2];
Color[] colors = new Color[orderPixe.Count * 2];
int idx = 0;
for (int i = 0; i < orderPixe.Count; ++i)
{
if (i < orderPixe.Count)
{
marginPixel data = orderPixe[i];
// 顶点总数除以2，目的是让mesh初始点在mesh中心
verts[idx] = new Vector3(data.x, 0, data.y);
colors[idx] = data.color;
// UV的值需要归一化0~1之间，所以需要除以总数
uvs[idx] = new Vector2((float)data.x / texture_.width, (float)data.y / texture_.height);
idx++;
// 顶点总数除以2，目的是让mesh初始点在mesh中心
verts[idx] = new Vector3(data.x, 1, data.y);
colors[idx] = data.color;
// UV的值需要归一化0~1之间，所以需要除以总数
uvs[idx] = new Vector2((float)data.x / texture_.width, (float)data.y / texture_.height);
idx++;
}
}
// 顶点索引信息
int[] indxs = new int[orderPixe.Count * 6];
for (int i = 0; i < indxs.Length; ++i)
{
int i0 = (i * 6) + 0;
int i1 = (i * 6) + 1;
int i2 = (i * 6) + 2;
int i3 = (i * 6) + 3;
int i4 = (i * 6) + 4;
int i5 = (i * 6) + 5;
if (i3 < indxs.Length)
{
indxs[i0] = i;
indxs[i1] = i + 1;
indxs[i2] = i + 2;
indxs[i3] = i + 2;
indxs[i4] = i + 3;
indxs[i5] = i;
}
}
Mesh mesh = new Mesh();
mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
mesh.vertices = verts;
mesh.uv = uvs;
mesh.colors = colors;
mesh.triangles = indxs;
mesh.UploadMeshData(false);
root.GetComponent <MeshFilter>().mesh = mesh;
}
/// <summary>
/// 查找彩色图像像素边缘（测试）
/// </summary>
private void OnGetPixelMarginColorized(Texture2D tt_)
{
Texture2D copyText = new Texture2D(tt_.width, tt_.height);
copyText.SetPixels(tt_.GetPixels());//提取text图片的颜色，赋给copyText
copyText.Apply();
List <marginPixel> marginList = new List <marginPixel>();
for (int y = 0; y < copyText.height; ++y)
{
for (int x = 0; x < copyText.width; ++x)
{
Color defColor = new Color(0, 0, 0, 0);
Color upColor = defColor;
Color leftColor = defColor;
Color rightColor = defColor;
Color DownColor = defColor;
Color leftDownColor = defColor;
Color leftUpColor = defColor;
Color rightDownColor = defColor;
Color rightUpColor = defColor;
Color curColor = copyText.GetPixel(x, y);
if (y < copyText.height)
{
upColor = copyText.GetPixel(x, y + 1);
}
if (x > 0)
{
leftColor = copyText.GetPixel(x - 1, y);
}
if (x < copyText.width)
{
rightColor = copyText.GetPixel(x + 1, y);
}
if (y > 0)
{
DownColor = copyText.GetPixel(x, y - 1);
}
if (x > 0 && y > 0)
{
leftDownColor = copyText.GetPixel(x - 1, y - 1);
}
if (x > 0 && y < copyText.height)
{
leftUpColor = copyText.GetPixel(x - 1, y + 1);
}
if (x < copyText.width && y > 0)
{
rightDownColor = copyText.GetPixel(x + 1, y - 1);
}
if (x < copyText.width && y < copyText.height)
{
rightUpColor = copyText.GetPixel(x + 1, y + 1);
}
bool ximian = leftDownColor != curColor || leftUpColor != curColor || rightDownColor != curColor || rightUpColor != curColor;
bool zheng = upColor != curColor || leftColor != curColor || rightColor != curColor || DownColor != curColor;
if (zheng)
{
marginList.Add(new marginPixel(x, y, curColor));
}
else
{
marginList.Add(new marginPixel(x, y, new Color(0, 0, 0, 0)));
}
}
}
for (int i = 0; i < marginList.Count; ++i)
{
marginPixel b_i = marginList[i];
if (b_i.color.a != 0)
{
marginPixel model = null;
if (b_i.x <= tt_.width / 2)
{
for (int k = b_i.x + 1; k > b_i.x; --k)
{
model = marginList.FirstOrDefault(t => (t.x == k && t.y == b_i.y && t.color.a != 0));
}
}
else
{
for (int k = b_i.x - 1; k < b_i.x; ++k)
{
model = marginList.FirstOrDefault(t => (t.x == k && t.y == b_i.y && t.color.a != 0));
}
}
if (model == null)
{
copyText.SetPixel(b_i.x, b_i.y, b_i.color);
}
else
{
copyText.SetPixel(b_i.x, b_i.y, new Color(0, 0, 0, 0));
}
}
else
{
copyText.SetPixel(b_i.x, b_i.y, b_i.color);
}
}
copyText.Apply();
img2.texture = copyText;
}
