-
C#教程之Winform下实现图片切换特效的方法
本文实例讲述了Winform下实现图片切换特效的方法，是应用程序开发中非常实用的一个功能。分享给大家供大家参考之用。具体方法如下：
本实例源自网络，功能较为齐全、丰富！主要功能代码如下：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
|
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Drawing.Text;using System.Drawing.Drawing2D;using System.Drawing.Imaging;using System.Windows.Forms;namespace MengYu.Image{ public class ImageClass { /// <summary> /// 将图片转换成黑白色效果 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void HeiBaiSeImage(Bitmap bmp, PictureBox picBox) { //以黑白效果显示图像 Bitmap oldBitmap; Bitmap newBitmap=null; try { int Height = bmp.Height; int Width = bmp.Width; newBitmap = new Bitmap(Width, Height); oldBitmap = bmp; Color pixel; for (int x = 0; x < Width; x++) for (int y = 0; y < Height; y++) { pixel = oldBitmap.GetPixel(x, y); int r, g, b, Result = 0; r = pixel.R; g = pixel.G; b = pixel.B; //实例程序以加权平均值法产生黑白图像 int iType = 2; switch (iType) { case 0://平均值法 Result = ((r + g + b) / 3); break; case 1://最大值法 Result = r > g ? r : g; Result = Result > b ? Result : b; break; case 2://加权平均值法 Result = ((int)(0.7 * r) + (int)(0.2 * g) + (int)(0.1 * b)); break; } newBitmap.SetPixel(x, y, Color.FromArgb(Result, Result, Result)); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } picBox.Image = newBitmap; } /// <summary> /// 雾化效果 /// </summary> /// <param name="bmp"></param> /// <param name="picBox"></param> public static void WuHuaImage(Bitmap bmp, PictureBox picBox) { //雾化效果 Bitmap oldBitmap; Bitmap newBitmap = null; try { int Height = bmp.Height; int Width = bmp.Width; newBitmap = new Bitmap(Width, Height); oldBitmap = bmp; Color pixel; for (int x = 1; x < Width - 1; x++) for (int y = 1; y < Height - 1; y++) { System.Random MyRandom = new Random(); int k = MyRandom.Next(123456); //像素块大小 int dx = x + k % 19; int dy = y + k % 19; if (dx >= Width) dx = Width - 1; if (dy >= Height) dy = Height - 1; pixel = oldBitmap.GetPixel(dx, dy); newBitmap.SetPixel(x, y, pixel); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } picBox.Image= newBitmap; } /// <summary> /// 锐化效果 /// </summary> /// <param name="bmp"></param> /// <param name="picBox"></param> public static void RuiHuaImage(Bitmap bmp, PictureBox picBox) { Bitmap oldBitmap; Bitmap newBitmap = null; try { int Height = bmp.Height; int Width = bmp.Width; newBitmap = new Bitmap(Width, Height); oldBitmap = bmp; Color pixel; //拉普拉斯模板 int[] Laplacian ={ -1, -1, -1, -1, 9, -1, -1, -1, -1 }; for (int x = 1; x < Width - 1; x++) for (int y = 1; y < Height - 1; y++) { int r = 0, g = 0, b = 0; int Index = 0; for (int col = -1; col <= 1; col++) for (int row = -1; row <= 1; row++) { pixel = oldBitmap.GetPixel(x + row, y + col); r += pixel.R * Laplacian[Index]; g += pixel.G * Laplacian[Index]; b += pixel.B * Laplacian[Index]; Index++; } //处理颜色值溢出 r = r > 255 ? 255 : r; r = r < 0 ? 0 : r; g = g > 255 ? 255 : g; g = g < 0 ? 0 : g; b = b > 255 ? 255 : b; b = b < 0 ? 0 : b; newBitmap.SetPixel(x - 1, y - 1, Color.FromArgb(r, g, b)); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } picBox.Image = newBitmap; } /// <summary> ///底片效果 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void DiPianImage(Bitmap bmp, PictureBox picBox) { Bitmap oldBitmap; Bitmap newBitmap = null; try { int Height = bmp.Height; int Width = bmp.Width; newBitmap = new Bitmap(Width, Height); oldBitmap = bmp; Color pixel; for (int x = 1; x < Width; x++) { for (int y = 1; y < Height; y++) { int r, g, b; pixel = oldBitmap.GetPixel(x, y); r = 255 - pixel.R; g = 255 - pixel.G; b = 255 - pixel.B; newBitmap.SetPixel(x, y, Color.FromArgb(r, g, b)); } } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } picBox.Image = newBitmap; } /// <summary> ///浮雕效果 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void FuDiaoImage(Bitmap bmp, PictureBox picBox) { Bitmap oldBitmap; Bitmap newBitmap = null; try { int Height = bmp.Height; int Width = bmp.Width; newBitmap = new Bitmap(Width, Height); oldBitmap = bmp; Color pixel1, pixel2; for (int x = 0; x < Width - 1; x++) { for (int y = 0; y < Height - 1; y++) { int r = 0, g = 0, b = 0; pixel1 = oldBitmap.GetPixel(x, y); pixel2 = oldBitmap.GetPixel(x + 1, y + 1); r = Math.Abs(pixel1.R - pixel2.R + 128); g = Math.Abs(pixel1.G - pixel2.G + 128); b = Math.Abs(pixel1.B - pixel2.B + 128); if (r > 255) r = 255; if (r < 0) r = 0; if (g > 255) g = 255; if (g < 0) g = 0; if (b > 255) b = 255; if (b < 0) b = 0; newBitmap.SetPixel(x, y, Color.FromArgb(r, g, b)); } } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information); } picBox.Image = newBitmap; } /// <summary> /// 日光照射效果 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void RiGuangZhaoSheImage(Bitmap bmp,PictureBox picBox) { //以光照效果显示图像 Graphics MyGraphics = picBox.CreateGraphics(); MyGraphics.Clear(Color.White); Bitmap MyBmp = new Bitmap(bmp, bmp.Width, bmp.Height); int MyWidth = MyBmp.Width; int MyHeight = MyBmp.Height; Bitmap MyImage = MyBmp.Clone(new RectangleF(0, 0, MyWidth, MyHeight), System.Drawing.Imaging.PixelFormat.DontCare); int A = MyWidth / 2; int B = MyHeight / 2; //MyCenter图片中心点，发亮此值会让强光中心发生偏移 Point MyCenter = new Point(MyWidth / 2, MyHeight / 2); //R强光照射面的半径，即”光晕” int R = Math.Min(MyWidth / 2, MyHeight / 2); for (int i = MyWidth - 1; i >= 1; i--) { for (int j = MyHeight - 1; j >= 1; j--) { float MyLength = (float)Math.Sqrt(Math.Pow((i - MyCenter.X), 2) + Math.Pow((j - MyCenter.Y), 2)); //如果像素位于”光晕”之内 if (MyLength < R) { Color MyColor = MyImage.GetPixel(i, j); int r, g, b; //220亮度增加常量，该值越大，光亮度越强 float MyPixel = 220.0f * (1.0f - MyLength / R); r = MyColor.R + (int)MyPixel; r = Math.Max(0, Math.Min(r, 255)); g = MyColor.G + (int)MyPixel; g = Math.Max(0, Math.Min(g, 255)); b = MyColor.B + (int)MyPixel; b = Math.Max(0, Math.Min(b, 255)); //将增亮后的像素值回写到位图 Color MyNewColor = Color.FromArgb(255, r, g, b); MyImage.SetPixel(i, j, MyNewColor); } } //重新绘制图片 MyGraphics.DrawImage(MyImage, new Rectangle(0, 0, MyWidth, MyHeight)); } } /// <summary> /// 油画效果 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void YouHuaImage(Bitmap bmp, PictureBox picBox) { //以油画效果显示图像 Graphics g = picBox.CreateGraphics(); int width = bmp.Width; int height = bmp.Height; RectangleF rect = new RectangleF(0, 0, width, height); Bitmap MyBitmap = bmp; Bitmap img = MyBitmap.Clone(rect, System.Drawing.Imaging.PixelFormat.DontCare); //产生随机数序列 Random rnd = new Random(); //取不同的值决定油画效果的不同程度 int iModel = 2; int i = width - iModel; while (i > 1) { int j = height - iModel; while (j > 1) { int iPos = rnd.Next(100000) % iModel; //将该点的RGB值设置成附近iModel点之内的任一点 Color color = img.GetPixel(i + iPos, j + iPos); img.SetPixel(i, j, color); j = j - 1; } i = i - 1; } //重新绘制图像 g.Clear(Color.White); g.DrawImage(img, new Rectangle(0, 0, width, height)); } /// <summary> /// 垂直百叶窗 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void BaiYeChuang1(Bitmap bmp, PictureBox picBox) { //垂直百叶窗显示图像 try { Bitmap MyBitmap =(Bitmap) bmp.Clone(); int dw = MyBitmap.Width / 30; int dh = MyBitmap.Height; Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); Point[] MyPoint = new Point[30]; for (int x = 0; x < 30; x++) { MyPoint[x].Y = 0; MyPoint[x].X = x * dw; } Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height); for (int i = 0; i < dw; i++) { for (int j = 0; j < 30; j++) { for (int k = 0; k < dh; k++) { bitmap.SetPixel(MyPoint[j].X + i, MyPoint[j].Y + k, MyBitmap.GetPixel(MyPoint[j].X + i, MyPoint[j].Y + k)); } } picBox.Refresh(); picBox.Image = bitmap; System.Threading.Thread.Sleep(120); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 水平百叶窗 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void BaiYeChuang2(Bitmap bmp, PictureBox picBox) { //水平百叶窗显示图像 try { Bitmap MyBitmap = (Bitmap)bmp.Clone(); int dh = MyBitmap.Height / 20; int dw = MyBitmap.Width; Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); Point[] MyPoint = new Point[20]; for (int y = 0; y < 20; y++) { MyPoint[y].X = 0; MyPoint[y].Y = y * dh; } Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height); for (int i = 0; i < dh; i++) { for (int j = 0; j < 20; j++) { for (int k = 0; k < dw; k++) { bitmap.SetPixel(MyPoint[j].X + k, MyPoint[j].Y + i, MyBitmap.GetPixel(MyPoint[j].X + k, MyPoint[j].Y + i)); } } picBox.Refresh(); picBox.Image = bitmap; System.Threading.Thread.Sleep(100); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 左右拉伸效果 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void LaShen_ZuoDaoYou(Bitmap bmp, PictureBox picBox) { //以从左向右拉伸方式显示图像 try { int width = bmp.Width; //图像宽度 int height = bmp.Height; //图像高度 Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); //初始为全灰色 for (int x = 1; x <= width; x++) { Bitmap bitmap = bmp.Clone(new Rectangle(0, 0, x, height), System.Drawing.Imaging.PixelFormat.Format24bppRgb); g.DrawImage(bitmap, 0, 0); System.Threading.Thread.Sleep(10); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 淡入效果 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void DanRu(Bitmap bmp, PictureBox picBox) { //淡入显示图像 try { Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); int width = bmp.Width; int height = bmp.Height; ImageAttributes attributes = new ImageAttributes(); ColorMatrix matrix = new ColorMatrix(); //创建淡入颜色矩阵 matrix.Matrix00 = (float)0.0; matrix.Matrix01 = (float)0.0; matrix.Matrix02 = (float)0.0; matrix.Matrix03 = (float)0.0; matrix.Matrix04 = (float)0.0; matrix.Matrix10 = (float)0.0; matrix.Matrix11 = (float)0.0; matrix.Matrix12 = (float)0.0; matrix.Matrix13 = (float)0.0; matrix.Matrix14 = (float)0.0; matrix.Matrix20 = (float)0.0; matrix.Matrix21 = (float)0.0; matrix.Matrix22 = (float)0.0; matrix.Matrix23 = (float)0.0; matrix.Matrix24 = (float)0.0; matrix.Matrix30 = (float)0.0; matrix.Matrix31 = (float)0.0; matrix.Matrix32 = (float)0.0; matrix.Matrix33 = (float)0.0; matrix.Matrix34 = (float)0.0; matrix.Matrix40 = (float)0.0; matrix.Matrix41 = (float)0.0; matrix.Matrix42 = (float)0.0; matrix.Matrix43 = (float)0.0; matrix.Matrix44 = (float)0.0; matrix.Matrix33 = (float)1.0; matrix.Matrix44 = (float)1.0; //从0到1进行修改色彩变换矩阵主对角线上的数值 //使三种基准色的饱和度渐增 Single count = (float)0.0; while (count < 1.0) { matrix.Matrix00 = count; matrix.Matrix11 = count; matrix.Matrix22 = count; matrix.Matrix33 = count; attributes.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap); g.DrawImage(bmp, new Rectangle(0, 0, width, height), 0, 0, width, height, GraphicsUnit.Pixel, attributes); System.Threading.Thread.Sleep(200); count = (float)(count + 0.02); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 逆时针旋转 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void XuanZhuan90(Bitmap bmp, PictureBox picBox) { try { Graphics g = picBox.CreateGraphics(); bmp.RotateFlip(RotateFlipType.Rotate90FlipXY); g.Clear(Color.White); g.DrawImage(bmp, 0, 0); } catch (Exception e) { MessageBox.Show(e.ToString()); } } /// <summary> /// 顺时针旋转 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void XuanZhuan270(Bitmap bmp, PictureBox picBox) { try { Graphics g = picBox.CreateGraphics(); bmp.RotateFlip(RotateFlipType.Rotate270FlipXY); g.Clear(Color.White); g.DrawImage(bmp, 0, 0); } catch (Exception e) { MessageBox.Show(e.ToString()); } } /// <summary> /// 分块显示 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void FenKuai(Bitmap MyBitmap, PictureBox picBox) { //以分块效果显示图像 Graphics g = picBox.CreateGraphics(); g.Clear(Color.White); int width = MyBitmap.Width; int height = MyBitmap.Height; //定义将图片切分成四个部分的区域 RectangleF[] block ={ new RectangleF(0,0,width/2,height/2), new RectangleF(width/2,0,width/2,height/2), new RectangleF(0,height/2,width/2,height/2), new RectangleF(width/2,height/2,width/2,height/2)}; //分别克隆图片的四个部分 Bitmap[] MyBitmapBlack ={ MyBitmap.Clone(block[0],System.Drawing.Imaging.PixelFormat.DontCare), MyBitmap.Clone(block[1],System.Drawing.Imaging.PixelFormat.DontCare), MyBitmap.Clone(block[2],System.Drawing.Imaging.PixelFormat.DontCare), MyBitmap.Clone(block[3],System.Drawing.Imaging.PixelFormat.DontCare)}; //绘制图片的四个部分，各部分绘制时间间隔为0.5秒 g.DrawImage(MyBitmapBlack[0], 0, 0); System.Threading.Thread.Sleep(500); g.DrawImage(MyBitmapBlack[1], width / 2, 0); System.Threading.Thread.Sleep(500); g.DrawImage(MyBitmapBlack[3], width / 2, height / 2); System.Threading.Thread.Sleep(500); g.DrawImage(MyBitmapBlack[2], 0, height / 2); } /// <summary> /// 积木特效 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void JiMu(Bitmap MyBitmap, PictureBox picBox) { //以积木效果显示图像 try { Graphics myGraphics = picBox.CreateGraphics (); int myWidth, myHeight, i, j, iAvg, iPixel; Color myColor, myNewColor; RectangleF myRect; myWidth = MyBitmap.Width; myHeight = MyBitmap.Height; myRect = new RectangleF(0, 0, myWidth, myHeight); Bitmap bitmap = MyBitmap.Clone(myRect, System.Drawing.Imaging.PixelFormat.DontCare); i = 0; while (i < myWidth - 1) { j = 0; while (j < myHeight - 1) { myColor = bitmap.GetPixel(i, j); iAvg = (myColor.R + myColor.G + myColor.B) / 3; iPixel = 0; if (iAvg >= 128) iPixel = 255; else iPixel = 0; myNewColor = Color.FromArgb(255, iPixel, iPixel, iPixel); bitmap.SetPixel(i, j, myNewColor); j = j + 1; } i = i + 1; } myGraphics.Clear(Color.WhiteSmoke); myGraphics.DrawImage(bitmap, new Rectangle(0, 0, myWidth, myHeight)); } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 马赛克效果 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void MaSaiKe(Bitmap MyBitmap,PictureBox picBox) { //以马赛克效果显示图像 try { int dw = MyBitmap.Width / 50; int dh = MyBitmap.Height / 50; Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); Point[] MyPoint = new Point[2500]; for (int x = 0; x < 50; x++) for (int y = 0; y < 50; y++) { MyPoint[x * 50 + y].X = x * dw; MyPoint[x * 50 + y].Y = y * dh; } Bitmap bitmap = new Bitmap(MyBitmap.Width, MyBitmap.Height); for (int i = 0; i < 10000; i++) { System.Random MyRandom = new Random(); int iPos = MyRandom.Next(2500); for (int m = 0; m < dw; m++) for (int n = 0; n < dh; n++) { bitmap.SetPixel(MyPoint[iPos].X + m, MyPoint[iPos].Y + n, MyBitmap.GetPixel(MyPoint[iPos].X + m, MyPoint[iPos].Y + n)); } picBox.Refresh(); picBox.Image = bitmap; } for (int i = 0; i < 2500; i++) for (int m = 0; m < dw; m++) for (int n = 0; n < dh; n++) { bitmap.SetPixel(MyPoint[i].X + m, MyPoint[i].Y + n, MyBitmap.GetPixel(MyPoint[i].X + m, MyPoint[i].Y + n)); } picBox.Refresh(); picBox.Image = bitmap; } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 自动旋转 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void XuanZhuan(Bitmap MyBitmap, PictureBox picBox) { Graphics g = picBox.CreateGraphics(); float MyAngle = 0;//旋转的角度 while (MyAngle < 360) { TextureBrush MyBrush = new TextureBrush(MyBitmap); picBox.Refresh(); MyBrush.RotateTransform(MyAngle); g.FillRectangle(MyBrush, 0, 0, MyBitmap.Width,MyBitmap.Height); MyAngle += 0.5f; System.Threading.Thread.Sleep(50); } } /// <summary> /// 上下对接 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void DuiJie_ShangXia(Bitmap MyBitmap, PictureBox picBox) { //以上下对接方式显示图像 try { int width = MyBitmap.Width; //图像宽度 int height = MyBitmap.Height; //图像高度 Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); //初始为全灰色 Bitmap bitmap = new Bitmap(width, height); int x = 0; while (x <= height / 2) { for (int i = 0; i <= width - 1; i++) { bitmap.SetPixel(i, x, MyBitmap.GetPixel(i, x)); } for (int i = 0; i <= width - 1; i++) { bitmap.SetPixel(i, height - x - 1, MyBitmap.GetPixel(i, height - x - 1)); } x++; g.Clear(Color.Gray); g.DrawImage(bitmap, 0, 0); System.Threading.Thread.Sleep(10); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 上下翻转 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void FanZhuan_ShangXia(Bitmap MyBitmap, PictureBox picBox) { //以上下反转方式显示图像 try { int width = MyBitmap.Width; //图像宽度 int height = MyBitmap.Height; //图像高度 Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); //初始为全灰色 for (int i = -width / 2; i <= width / 2; i++) { g.Clear(Color.Gray); //初始为全灰色 int j = Convert.ToInt32(i * (Convert.ToSingle(height) / Convert.ToSingle(width))); Rectangle DestRect = new Rectangle(0, height / 2 - j, width, 2 * j); Rectangle SrcRect = new Rectangle(0, 0, MyBitmap.Width, MyBitmap.Height); g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel); System.Threading.Thread.Sleep(10); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 左右对接 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void DuiJie_ZuoYou(Bitmap MyBitmap, PictureBox picBox) { //以左右对接方式显示图像 try { int width = MyBitmap.Width; //图像宽度 int height = MyBitmap.Height; //图像高度 Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); //初始为全灰色 Bitmap bitmap = new Bitmap(width, height); int x = 0; while (x <= width / 2) { for (int i = 0; i <= height - 1; i++) { bitmap.SetPixel(x, i, MyBitmap.GetPixel(x, i)); } for (int i = 0; i <= height - 1; i++) { bitmap.SetPixel(width - x - 1, i, MyBitmap.GetPixel(width - x - 1, i)); } x++; g.Clear(Color.Gray); g.DrawImage(bitmap, 0, 0); System.Threading.Thread.Sleep(10); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 左右翻转 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void FanZhuan_ZuoYou(Bitmap MyBitmap, PictureBox picBox) { //以左右反转方式显示图像 try { int width = MyBitmap.Width; //图像宽度 int height = MyBitmap.Height; //图像高度 Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); //初始为全灰色 for (int j = -height / 2; j <= height / 2; j++) { g.Clear(Color.Gray); //初始为全灰色 int i = Convert.ToInt32(j * (Convert.ToSingle(width) / Convert.ToSingle(height))); Rectangle DestRect = new Rectangle(width / 2 - i, 0, 2 * i, height); Rectangle SrcRect = new Rectangle(0, 0, MyBitmap.Width, MyBitmap.Height); g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel); System.Threading.Thread.Sleep(10); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 四周扩散 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void KuoSan(Bitmap MyBitmap, PictureBox picBox) { try { int width = MyBitmap.Width; //图像宽度 int height = MyBitmap.Height; //图像高度 Graphics g = picBox.CreateGraphics(); g.Clear(Color.Gray); //初始为全灰色 for (int i = 0; i <= width / 2; i++) { int j = Convert.ToInt32(i * (Convert.ToSingle(height) / Convert.ToSingle(width))); Rectangle DestRect = new Rectangle(width / 2 - i, height / 2 - j, 2 * i, 2 * j); Rectangle SrcRect = new Rectangle(0, 0, MyBitmap.Width, MyBitmap.Height); g.DrawImage(MyBitmap, DestRect, SrcRect, GraphicsUnit.Pixel); System.Threading.Thread.Sleep(10); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } /// <summary> /// 上下拉伸 /// </summary> /// <param name="bmp">Bitmap 对象</param> /// <param name="picBox">PictureBox 对象</param> public static void LaShen_ShangDaoXiao(Bitmap MyBitmap,PictureBox picBox) { //以从上向下拉伸方式显示图像 try { int width = MyBitmap.Width; //图像宽度 int height =MyBitmap.Height; //图像高度 Graphics g =picBox.CreateGraphics(); g.Clear(Color.Gray); //初始为全灰色 for (int y = 1; y <= height; y++) { Bitmap bitmap=MyBitmap.Clone (new Rectangle(0,0,width ,y),System.Drawing .Imaging.PixelFormat .Format24bppRgb ); g.DrawImage (bitmap,0,0); System.Threading.Thread.Sleep(10); } } catch (Exception ex) { MessageBox.Show(ex.Message, "信息提示"); } } }} |
另外还有一种调用API实现的特效：
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
// 代码出自 CSDN//仅供参考using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Runtime.InteropServices;namespace WindowsFormsApplication4{ [Flags] public enum AnimationType { AW_HOR_POSITIVE = 0x0001,//从左向右显示 AW_HOR_NEGATIVE = 0x0002,//从右向左显示 AW_VER_POSITIVE = 0x0004,//从上到下显示 AW_VER_NEGATIVE = 0x0008,//从下到上显示 AW_CENTER = 0x0010,//从中间向四周 AW_HIDE = 0x10000, AW_ACTIVATE = 0x20000,//普通显示 AW_SLIDE = 0x40000, AW_BLEND = 0x80000,//透明渐变显示效果 } public partial class Form1 : Form { [DllImport("user32.dll")] public static extern bool AnimateWindow(IntPtr hwnd, uint dwTime, AnimationType dwFlags); private PictureBox pictureBox1, pictureBox2; private List<Image> girls = new List<Image>(); private Timer timer = new Timer(); private int index = 0; public Form1() { InitializeComponent(); this.WindowState = FormWindowState.Maximized; this.FormBorderStyle = FormBorderStyle.None; this.BackColor = Color.Black; this.DoubleBuffered = true; pictureBox1 = new PictureBox(); pictureBox1.Location = new Point(200, 100); pictureBox1.Size = new System.Drawing.Size(640, 480); pictureBox1.SizeMode = PictureBoxSizeMode.AutoSize; pictureBox1.Visible = false; this.Controls.Add(pictureBox1); pictureBox2 = new PictureBox(); pictureBox2.Location = new Point(400, 300); pictureBox2.Size = new System.Drawing.Size(640, 480); pictureBox2.SizeMode = PictureBoxSizeMode.AutoSize; pictureBox1.Visible = false; this.Controls.Add(pictureBox2); using (OpenFileDialog dlg = new OpenFileDialog()) { dlg.Multiselect = true; dlg.Filter = "jpeg files(*.jpg)|*.jpg"; if (dlg.ShowDialog() == DialogResult.OK) { foreach (string file in dlg.FileNames) { girls.Add(Image.FromFile(file)); } } } timer.Interval = 3000; timer.Tick += new EventHandler(timer_Tick); timer.Enabled = true; } void timer_Tick(object sender, EventArgs e) { if (girls.Count == 0) { return; } Image currentGirl = girls[index++]; pictureBox2.Image = currentGirl; AnimateWindow(pictureBox2.Handle, 1000, GetRandomAnimationType()); AnimateWindow(pictureBox1.Handle, 1000, AnimationType.AW_HIDE); pictureBox1.Visible = false; PictureBox temp = pictureBox1; pictureBox1 = pictureBox2; pictureBox2 = temp; if (index >= girls.Count) { index = 0; } } private Random random = new Random(); private AnimationType[] animationTypes = null; private AnimationType GetRandomAnimationType() { if (animationTypes == null) { animationTypes = Enum.GetValues(typeof(AnimationType)) as AnimationType[]; } return animationTypes[random.Next(0, animationTypes.Length - 1)]; } protected override void OnKeyDown(KeyEventArgs e) { if (e.KeyCode == Keys.Escape) { timer.Enabled = false; foreach (Image girl in girls) { girl.Dispose(); } this.Close(); } base.OnKeyDown(e); } }} |
希望本文所述实例对大家C#程序设计有所帮助。
栏目列表
最新更新
python爬虫及其可视化
使用python爬取豆瓣电影短评评论内容
nodejs爬虫
Python正则表达式完全指南
爬取豆瓣Top250图书数据
shp 地图文件批量添加字段
爬虫小试牛刀（爬取学校通知公告）
【python基础】函数-初识函数
【python基础】函数-返回值
HTTP请求：requests模块基础使用必知必会
SQL SERVER中递归
2个场景实例讲解GaussDB(DWS)基表统计信息估
常用的 SQL Server 关键字及其含义
动手分析SQL Server中的事务中使用的锁
openGauss内核分析：SQL by pass & 经典执行
一招教你如何高效批量导入与更新数据
天天写SQL，这些神奇的特性你知道吗？
openGauss内核分析：执行计划生成
[IM002]Navicat ODBC驱动器管理器 未发现数据
初入Sql Server 之 存储过程的简单使用
uniapp/H5 获取手机桌面壁纸 (静态壁纸）
[前端] DNS解析与优化
为什么在js中需要添加addEventListener（）？
JS模块化系统
js通过Object.defineProperty() 定义和控制对象
这是目前我见过最好的跨域解决方案！
减少回流与重绘
减少回流与重绘
如何使用KrpanoToolJS在浏览器切图
performance.now() 与 Date.now() 对比