444 lines
16 KiB
C#
444 lines
16 KiB
C#
//
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// Copyright (C) 2005-2007 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//
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// Authors:
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// Jordi Mas i Hernandez (jordi@ximian.com)
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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using System;
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using System.IO;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Security.Permissions;
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using NUnit.Framework;
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namespace MonoTests.System.Drawing.Imaging {
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[TestFixture]
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public class ImageAttributesTest {
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static ColorMatrix global_color_matrix = new ColorMatrix (new float[][] {
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new float[] {2, 0, 0, 0, 0}, //R
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new float[] {0, 1, 0, 0, 0}, //G
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new float[] {0, 0, 1, 0, 0}, //B
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new float[] {0, 0, 0, 1, 0}, //A
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new float[] {0.2f, 0, 0, 0, 0}, //Translation
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});
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static ColorMatrix global_gray_matrix = new ColorMatrix (new float[][] {
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new float[] {1, 0, 0, 0, 0}, //R
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new float[] {0, 2, 0, 0, 0}, //G
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new float[] {0, 0, 3, 0, 0}, //B
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new float[] {0, 0, 0, 1, 0}, //A
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new float[] {0.5f, 0, 0, 0, 0}, //Translation
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});
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private static Color ProcessColorMatrix (Color color, ColorMatrix colorMatrix)
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{
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using (Bitmap bmp = new Bitmap (64, 64)) {
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using (Graphics gr = Graphics.FromImage (bmp)) {
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ImageAttributes imageAttr = new ImageAttributes ();
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bmp.SetPixel (0,0, color);
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imageAttr.SetColorMatrix (colorMatrix);
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gr.DrawImage (bmp, new Rectangle (0, 0, 64, 64), 0, 0, 64, 64, GraphicsUnit.Pixel, imageAttr);
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return bmp.GetPixel (0,0);
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}
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}
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}
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// Text Color Matrix processing
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[Test]
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public void ColorMatrix1 ()
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{
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Color clr_src, clr_rslt;
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ColorMatrix cm = new ColorMatrix (new float[][] {
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new float[] {2, 0, 0, 0, 0}, //R
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new float[] {0, 1, 0, 0, 0}, //G
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new float[] {0, 0, 1, 0, 0}, //B
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new float[] {0, 0, 0, 1, 0}, //A
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new float[] {0.2f, 0, 0, 0, 0}, //Translation
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});
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clr_src = Color.FromArgb (255, 100, 20, 50);
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clr_rslt = ProcessColorMatrix (clr_src, cm);
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Assert.AreEqual (Color.FromArgb (255, 251, 20, 50), clr_rslt, "Color");
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}
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[Test]
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public void ColorMatrix2 ()
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{
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Color clr_src, clr_rslt;
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ColorMatrix cm = new ColorMatrix (new float[][] {
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new float[] {1, 0, 0, 0, 0}, //R
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new float[] {0, 1, 0, 0, 0}, //G
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new float[] {0, 0, 1.5f, 0, 0}, //B
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new float[] {0, 0, 0.5f, 1, 0}, //A
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new float[] {0, 0, 0, 0, 0}, //Translation
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});
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clr_src = Color.FromArgb (255, 100, 40, 25);
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clr_rslt = ProcessColorMatrix (clr_src, cm);
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Assert.AreEqual (Color.FromArgb (255, 100, 40, 165), clr_rslt, "Color");
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}
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private void Bug80323 (Color c)
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{
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string fileName = String.Format ("80323-{0}.png", c.ToArgb ().ToString ("X"));
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// test case from bug #80323
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ColorMatrix cm = new ColorMatrix (new float[][] {
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new float[] {1, 0, 0, 0, 0}, //R
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new float[] {0, 1, 0, 0, 0}, //G
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new float[] {0, 0, 1, 0, 0}, //B
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new float[] {0, 0, 0, 0.5f, 0}, //A
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new float[] {0, 0, 0, 0, 1}, //Translation
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});
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using (SolidBrush sb = new SolidBrush (c)) {
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using (Bitmap bmp = new Bitmap (100, 100)) {
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using (Graphics gr = Graphics.FromImage (bmp)) {
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gr.FillRectangle (Brushes.White, 0, 0, 100, 100);
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gr.FillEllipse (sb, 0, 0, 100, 100);
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}
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using (Bitmap b = new Bitmap (200, 100)) {
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using (Graphics g = Graphics.FromImage (b)) {
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g.FillRectangle (Brushes.White, 0, 0, 200, 100);
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ImageAttributes ia = new ImageAttributes ();
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ia.SetColorMatrix (cm);
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g.DrawImage (bmp, new Rectangle (0, 0, 100, 100), 0, 0, 100, 100, GraphicsUnit.Pixel, null);
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g.DrawImage (bmp, new Rectangle (100, 0, 100, 100), 0, 0, 100, 100, GraphicsUnit.Pixel, ia);
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}
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b.Save (fileName);
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Assert.AreEqual (Color.FromArgb (255, 255, 155, 155), b.GetPixel (50, 50), "50,50");
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Assert.AreEqual (Color.FromArgb (255, 255, 205, 205), b.GetPixel (150, 50), "150,50");
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}
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}
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}
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File.Delete (fileName);
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}
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[Test]
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public void ColorMatrix_80323_UsingAlpha ()
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{
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Bug80323 (Color.FromArgb (100, 255, 0, 0));
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}
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[Test]
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public void ColorMatrix_80323_WithoutAlpha ()
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{
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// this color is identical, once drawn over the bitmap, to Color.FromArgb (100, 255, 0, 0)
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Bug80323 (Color.FromArgb (255, 255, 155, 155));
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}
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private static Color ProcessColorMatrices (Color color, ColorMatrix colorMatrix, ColorMatrix grayMatrix, ColorMatrixFlag flags, ColorAdjustType type)
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{
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using (Bitmap bmp = new Bitmap (64, 64)) {
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using (Graphics gr = Graphics.FromImage (bmp)) {
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ImageAttributes imageAttr = new ImageAttributes ();
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bmp.SetPixel (0, 0, color);
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imageAttr.SetColorMatrices (colorMatrix, grayMatrix, flags, type);
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gr.DrawImage (bmp, new Rectangle (0, 0, 64, 64), 0, 0, 64, 64, GraphicsUnit.Pixel, imageAttr);
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return bmp.GetPixel (0, 0);
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}
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}
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}
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[Test]
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public void SetColorMatrix_Null ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (null));
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}
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}
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[Test]
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public void SetColorMatrix_Default ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default, ColorAdjustType.Brush);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default, ColorAdjustType.Default);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default, ColorAdjustType.Pen);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default, ColorAdjustType.Text);
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}
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}
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[Test]
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public void SetColorMatrix_Default_Any ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default, ColorAdjustType.Any));
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}
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}
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[Test]
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public void SetColorMatrix_Default_Count ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default, ColorAdjustType.Count));
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}
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}
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[Test]
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public void SetColorMatrix_AltGrays ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.AltGrays));
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}
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}
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[Test]
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public void SetColorMatrix_AltGrays_Any ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Any));
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}
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}
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[Test]
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public void SetColorMatrix_AltGrays_Bitmap ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Bitmap));
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}
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}
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[Test]
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public void SetColorMatrix_AltGrays_Brush ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Brush));
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}
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}
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[Test]
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public void SetColorMatrix_AltGrays_Count ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Count));
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}
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}
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[Test]
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public void SetColorMatrix_AltGrays_Default ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Default));
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}
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}
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[Test]
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public void SetColorMatrix_AltGrays_Pen ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Pen));
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}
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}
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[Test]
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public void SetColorMatrix_AltGrays_Text ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Text));
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}
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}
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[Test]
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public void SetColorMatrix_SkipGrays ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.SkipGrays);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Bitmap);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Brush);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Default);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Pen);
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ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Text);
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}
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}
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[Test]
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public void SetColorMatrix_SkipGrays_Any ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Any));
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}
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}
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[Test]
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public void SetColorMatrix_SkipGrays_Count ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Count));
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}
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}
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[Test]
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public void SetColorMatrix_InvalidFlag ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, (ColorMatrixFlag) Int32.MinValue));
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}
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}
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[Test]
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public void SetColorMatrix_InvalidType()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrix (global_color_matrix, ColorMatrixFlag.Default, (ColorAdjustType)Int32.MinValue));
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}
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}
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[Test]
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public void SetColorMatrices_Null_ColorMatrix ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrices (null, global_color_matrix));
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}
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}
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[Test]
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public void SetColorMatrices_ColorMatrix_Null ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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ia.SetColorMatrices (global_color_matrix, null);
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ia.SetColorMatrices (global_color_matrix, null, ColorMatrixFlag.Default);
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ia.SetColorMatrices (global_color_matrix, null, ColorMatrixFlag.SkipGrays);
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}
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}
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[Test]
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public void SetColorMatrices_ColorMatrix_Null_AltGrays ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrices (global_color_matrix, null, ColorMatrixFlag.AltGrays));
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}
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}
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[Test]
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public void SetColorMatrices_ColorMatrix_ColorMatrix ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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ia.SetColorMatrices (global_color_matrix, global_color_matrix);
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ia.SetColorMatrices (global_color_matrix, global_color_matrix, ColorMatrixFlag.Default);
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ia.SetColorMatrices (global_color_matrix, global_color_matrix, ColorMatrixFlag.SkipGrays);
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ia.SetColorMatrices (global_color_matrix, global_color_matrix, ColorMatrixFlag.AltGrays);
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}
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}
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[Test]
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public void SetColorMatrices_Gray ()
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{
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Color c = ProcessColorMatrices (Color.Gray, global_color_matrix, global_gray_matrix, ColorMatrixFlag.Default, ColorAdjustType.Default);
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Assert.AreEqual (0xFFFF8080, (uint)c.ToArgb (), "Gray|Default|Default");
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c = ProcessColorMatrices (Color.Gray, global_color_matrix, global_gray_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Default);
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Assert.AreEqual (0xFF808080, (uint) c.ToArgb (), "Gray|SkipGrays|Default");
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c = ProcessColorMatrices (Color.Gray, global_color_matrix, global_gray_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Default);
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Assert.AreEqual (0xFFFFFFFF, (uint) c.ToArgb (), "Gray|AltGrays|Default");
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}
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[Test]
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public void SetColorMatrices_Color ()
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{
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Color c = ProcessColorMatrices (Color.MidnightBlue, global_color_matrix, global_gray_matrix, ColorMatrixFlag.Default, ColorAdjustType.Default);
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Assert.AreEqual (0xFF651970, (uint) c.ToArgb (), "Color|Default|Default");
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c = ProcessColorMatrices (Color.MidnightBlue, global_color_matrix, global_gray_matrix, ColorMatrixFlag.SkipGrays, ColorAdjustType.Default);
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Assert.AreEqual (0xFF651970, (uint) c.ToArgb (), "Color|SkipGrays|Default");
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c = ProcessColorMatrices (Color.MidnightBlue, global_color_matrix, global_gray_matrix, ColorMatrixFlag.AltGrays, ColorAdjustType.Default);
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Assert.AreEqual (0xFF651970, (uint) c.ToArgb (), "Color|AltGrays|Default");
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}
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[Test]
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public void SetColorMatrices_InvalidFlags ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrices (global_color_matrix, global_color_matrix, (ColorMatrixFlag) Int32.MinValue));
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}
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}
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[Test]
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public void SetColorMatrices_InvalidType ()
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{
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using (ImageAttributes ia = new ImageAttributes ()) {
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Assert.Throws<ArgumentException> (() => ia.SetColorMatrices (global_color_matrix, global_color_matrix, ColorMatrixFlag.Default, (ColorAdjustType) Int32.MinValue));
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}
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}
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private void Alpha (string prefix, int n, float a)
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{
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ColorMatrix cm = new ColorMatrix (new float[][] {
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new float[] {1, 0, 0, 0, 0}, //R
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new float[] {0, 1, 0, 0, 0}, //G
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new float[] {0, 0, 1, 0, 0}, //B
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new float[] {0, 0, 0, a, 0}, //A
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new float[] {0, 0, 0, 0, 1}, //Translation
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});
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using (Bitmap bmp = new Bitmap (1, 4)) {
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bmp.SetPixel (0, 0, Color.White);
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bmp.SetPixel (0, 1, Color.Red);
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bmp.SetPixel (0, 2, Color.Lime);
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bmp.SetPixel (0, 3, Color.Blue);
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using (Bitmap b = new Bitmap (1, 4)) {
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using (Graphics g = Graphics.FromImage (b)) {
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ImageAttributes ia = new ImageAttributes ();
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ia.SetColorMatrix (cm);
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g.FillRectangle (Brushes.White, new Rectangle (0, 0, 1, 4));
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g.DrawImage (bmp, new Rectangle (0, 0, 1, 4), 0, 0, 1, 4, GraphicsUnit.Pixel, ia);
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Assert.AreEqual (Color.FromArgb (255, 255, 255, 255), b.GetPixel (0,0), prefix + "-0,0");
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int val = 255 - n;
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Assert.AreEqual (Color.FromArgb (255, 255, val, val), b.GetPixel (0, 1), prefix + "-0,1");
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Assert.AreEqual (Color.FromArgb (255, val, 255, val), b.GetPixel (0, 2), prefix + "-0,2");
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Assert.AreEqual (Color.FromArgb (255, val, val, 255), b.GetPixel (0, 3), prefix + "-0,3");
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}
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}
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}
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}
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[Test]
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public void ColorMatrixAlpha ()
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{
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for (int i = 0; i < 256; i++) {
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Alpha (i.ToString (), i, (float) i / 255);
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// generally color matrix are specified with values between [0..1]
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Alpha ("small-" + i.ToString (), i, (float) i / 255);
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// but GDI+ also accept value > 1
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Alpha ("big-" + i.ToString (), i, 256 - i);
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}
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}
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}
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}
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