/hg/gfx-test: Updated src/org/gfxtest/testsuites/PrintTestQuadra...

[ptisnovs at icedtea.classpath.org]

changeset cab54d813cdb in /hg/gfx-test
details: http://icedtea.classpath.org/hg/gfx-test?cmd=changeset;node=cab54d813cdb
author: Pavel Tisnovsky <ptisnovs at redhat.com>
date: Wed Sep 05 10:48:28 2012 +0200

	Updated src/org/gfxtest/testsuites/PrintTestQuadraticCurves.java: added
	basic test & functionality to create a Shape based on QuadraticCurve.


diffstat:

 ChangeLog                                                |    6 +
 src/org/gfxtest/testsuites/PrintTestQuadraticCurves.java |  116 ++++++++++++++-
 2 files changed, 121 insertions(+), 1 deletions(-)

diffs (147 lines):

diff -r 408898949c65 -r cab54d813cdb ChangeLog
--- a/ChangeLog	Mon Sep 03 18:32:49 2012 +0200
+++ b/ChangeLog	Wed Sep 05 10:48:28 2012 +0200
@@ -1,3 +1,9 @@
+2012-09-05  Pavel Tisnovsky  <ptisnovs at redhat.com>
+
+	* src/org/gfxtest/testsuites/PrintTestQuadraticCurves.java:
+	Updated: added basic test & functionality to create a Shape
+	based on QuadraticCurve.
+
 2012-09-03  Pavel Tisnovsky  <ptisnovs at redhat.com>
 
 	* src/org/gfxtest/testsuites/PrintTestCubicCurves.java:
diff -r 408898949c65 -r cab54d813cdb src/org/gfxtest/testsuites/PrintTestQuadraticCurves.java
--- a/src/org/gfxtest/testsuites/PrintTestQuadraticCurves.java	Mon Sep 03 18:32:49 2012 +0200
+++ b/src/org/gfxtest/testsuites/PrintTestQuadraticCurves.java	Wed Sep 05 10:48:28 2012 +0200
@@ -39,7 +39,16 @@
 */
 package org.gfxtest.testsuites;
 
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import java.awt.geom.QuadCurve2D;
+
+
+
+import org.gfxtest.callbacks.QuadraticCurveDrawCallbacks;
 import org.gfxtest.framework.PrintTest;
+import org.gfxtest.framework.TestImage;
+import org.gfxtest.framework.TestResult;
 import org.gfxtest.framework.annotations.GraphicsPrimitive;
 import org.gfxtest.framework.annotations.GraphicsPrimitives;
 import org.gfxtest.framework.annotations.RenderStyle;
@@ -64,7 +73,112 @@
 @Zoom(1)
 public class PrintTestQuadraticCurves extends PrintTest
 {
-    
+
+    /**
+     * Create Shape which contains one quadratic curve.
+     *
+     * @param x1
+     *            x coordinate of the first control point
+     * @param y1
+     *            y coordinate of the first control point
+     * @param x2
+     *            x coordinate of the second control point
+     * @param y2
+     *            y coordinate of the second control point
+     * @param x3
+     *            x coordinate of third control point
+     * @param y3
+     *            y coordinate of third control point
+     * @return newly created shape
+     */
+    private static Shape createQuadraticCurveShape(int x1, int y1, int x2, int y2, int x3, int y3)
+    {
+        QuadCurve2D quadraticCurve = new QuadCurve2D.Float();
+        // set all four control points
+        quadraticCurve.setCurve(x1, y1, x2, y2, x3, y3);
+        return quadraticCurve;
+    }
+
+    /**
+     * Method which renders set of qudratic curves using various colors and
+     * stroke styles. For each curve, the callback function/method is called to
+     * perform all required setup. Curves are represented by a Path object.
+     * 
+     * @param image
+     *            image to which lines are to be drawn
+     * @param graphics2d
+     *            graphics canvas
+     * @param verticalStep
+     *            between two near curves
+     * @param quadraticCurveCallback
+     *            class containing set of callback methods
+     */
+    private static void drawQuadraticCurve(TestImage image, Graphics2D graphics, int verticalStep, QuadraticCurveDrawCallbacks quadraticCurveCallback)
+    {
+        // setup rendering
+        quadraticCurveCallback.setup(image, graphics);
+
+        // image width and height
+        final int width = image.getWidth();
+        final int height = image.getHeight();
+
+        // horizontal coordinates of curve endpoints
+        final int x1 = BORDER;
+        final int x3 = width - BORDER;
+        final int x2 = (x1 + x3) >> 1;
+
+        // index to color palette
+        int colorIndex = 0;
+
+        // draw all lines onto a paper
+        for (int y = BORDER * 10; y < height - BORDER * 10; y += verticalStep)
+        {
+            // compute other control points coordinates
+            final int y1 = y + (BORDER << 2);
+            final int y2 = y - (BORDER << 4);
+            final int y3 = y + (BORDER << 2);
+            // setup can be made for each line
+            quadraticCurveCallback.iterationCallBack(x1, y1, x2, y2, x3, y3, colorIndex++);
+            // create new path which contains just one line
+            Shape shape = createQuadraticCurveShape(x1, y1, x2, y2, x3, y3);
+            // render the quadratic shape
+            graphics.draw(shape);
+        }
+
+        // cleanup rendering
+        quadraticCurveCallback.cleanup();
+    }
+
+    /**
+     * Test basic behavior of method Graphics.draw(Shape).
+     * Quadratic curves are rendered with default width and default end caps.
+     * Color of all rendered curves are set to black.
+     * All rendered quadratic curves are represented by a Shape object.
+     *
+     * @param image
+     *            image to which lines are to be drawn
+     * @param graphics2d
+     *            graphics canvas
+     * @return test result status - PASSED, FAILED or ERROR
+     */
+    public TestResult testDrawQuadraticCurvesBasicStyle(TestImage image, Graphics2D graphics)
+    {
+        drawQuadraticCurve(image, graphics, QUADRATIC_CURVE_STEP, new QuadraticCurveDrawCallbacks()
+        {
+            /**
+             * Callback function called before each quadratic shape is rendered.
+             */
+            @Override
+            public void iterationCallBack(int x1, int y1, int x2, int y2, int x3, int y3, int index)
+            {
+                return;
+            }
+        });
+
+        // test return value
+        return TestResult.PASSED;
+    }
+
     /**
      * Entry point to the test suite.
      *