Initial refactor of the graphics pipeline

CodenameOne/src/com/codename1/ui/Display.java

@@ -2698,8 +2698,6 @@ public int convertToPixels(float value, byte unitType) {
      * @since 8.0
      */
     public int convertToPixels(float value, byte unitType, boolean horizontal) {
-
-
         switch (unitType) {
             case Style.UNIT_TYPE_REM:
                 return Math.round(value * Font.getDefaultFont().getHeight());

CodenameOne/src/com/codename1/ui/Graphics.java

@@ -636,6 +636,7 @@ public void drawString(String str, int x, int y) {
      * @param character - the character to be drawn
      * @param x         the x coordinate of the baseline of the text
      * @param y         the y coordinate of the baseline of the text
+     * @deprecated use drawString instead, this method is inefficient
      */
     public void drawChar(char character, int x, int y) {
         drawString("" + character, x, y);
@@ -650,6 +651,7 @@ public void drawChar(char character, int x, int y) {
      * @param length the number of characters to be drawn
      * @param x      the x coordinate of the baseline of the text
      * @param y      the y coordinate of the baseline of the text
+     * @deprecated use drawString instead, this method is inefficient
      */
     public void drawChars(char[] data, int offset, int length, int x, int y) {
         if (!(current instanceof CustomFont)) {
@@ -1089,9 +1091,9 @@ void drawImageArea(Image img, int x, int y, int imageX, int imageY, int imageWid
      * Draws a closed polygon defined by arrays of x and y coordinates.
      * Each pair of (x, y) coordinates defines a point.
      *
-     * @param xPoints - a an array of x coordinates.
-     * @param yPoints - a an array of y coordinates.
-     * @param nPoints - a the total number of points.
+     * @param xPoints - an array of x coordinates.
+     * @param yPoints - an array of y coordinates.
+     * @param nPoints - the total number of points.
      */
     public void drawPolygon(int[] xPoints, int[] yPoints, int nPoints) {
         int[] cX = xPoints;
@@ -1149,7 +1151,7 @@ public int concatenateAlpha(int a) {
     }
 
     /**
-     * Returnes the alpha as a value between 0-255 (0 - 0xff) where 255 is completely opaque
+     * Returns the alpha as a value between 0-255 (0 - 0xff) where 255 is completely opaque
      * and 0 is completely transparent
      *
      * @return the alpha value
@@ -1169,59 +1171,59 @@ public void setAlpha(int a) {
     }
 
     /**
-     * Returns true if anti-aliasing for standard rendering operations is supported,
-     * notice that text anti-aliasing is a separate attribute.
+     * Returns true if antialiasing for standard rendering operations is supported,
+     * notice that text antialiasing is a separate attribute.
      *
-     * @return true if anti aliasing is supported
+     * @return true if antialiasing is supported
      */
     public boolean isAntiAliasingSupported() {
         return impl.isAntiAliasingSupported(nativeGraphics);
     }
 
     /**
-     * Returns true if anti-aliasing for text is supported,
-     * notice that text anti-aliasing is a separate attribute from standard anti-alisaing.
+     * Returns true if antialiasing for text is supported,
+     * notice that text antialiasing is a separate attribute from standard anti-alisaing.
      *
-     * @return true if text anti aliasing is supported
+     * @return true if text antialiasing is supported
      */
     public boolean isAntiAliasedTextSupported() {
         return impl.isAntiAliasedTextSupported(nativeGraphics);
     }
 
 
     /**
-     * Returns true if anti-aliasing for standard rendering operations is turned on.
+     * Returns true if antialiasing for standard rendering operations is turned on.
      *
-     * @return true if anti aliasing is active
+     * @return true if antialiasing is active
      */
     public boolean isAntiAliased() {
         return impl.isAntiAliased(nativeGraphics);
     }
 
     /**
-     * Set whether anti-aliasing for standard rendering operations is turned on.
+     * Set whether antialiasing for standard rendering operations is turned on.
      *
-     * @param a true if anti aliasing is active
+     * @param a true if antialiasing is active
      */
     public void setAntiAliased(boolean a) {
         impl.setAntiAliased(nativeGraphics, a);
     }
 
     /**
-     * Indicates whether anti-aliasing for text is active,
-     * notice that text anti-aliasing is a separate attribute from standard anti-alisaing.
+     * Indicates whether antialiasing for text is active,
+     * notice that text antialiasing is a separate attribute from standard anti-alisaing.
      *
-     * @return true if text anti aliasing is supported
+     * @return true if text antialiasing is supported
      */
     public boolean isAntiAliasedText() {
         return impl.isAntiAliasedText(nativeGraphics);
     }
 
     /**
-     * Set whether anti-aliasing for text is active,
-     * notice that text anti-aliasing is a separate attribute from standard anti-alisaing.
+     * Set whether antialiasing for text is active,
+     * notice that text antialiasing is a separate attribute from standard anti-alisaing.
      *
-     * @param a true if text anti aliasing is supported
+     * @param a true if text antialiasing is supported
      */
     public void setAntiAliasedText(boolean a) {
         impl.setAntiAliasedText(nativeGraphics, a);

CodenameOne/src/com/codename1/ui/Image.java

@@ -392,7 +392,7 @@ public static Image exifRotation(String capturedImage, String rotatedImage, int
         boolean isJpeg = isJPEG(fss.openInputStream(capturedImage));
         boolean isPNG = isPNG(fss.openInputStream(capturedImage));
         String format;
-        // IMPORTANT: we cannot relies on the file extension of the capturedImage path,
+        // IMPORTANT: we cannot rely on the file extension of the capturedImage path,
         // because some Android devices return images from the gallery without extension!
         if (!isJpeg && !isPNG) {
             // Only jpeg and png images are supported, but some devices can return also different formats from the gallery (like gif).
@@ -472,7 +472,7 @@ public static Image exifRotation(String capturedImage, String rotatedImage, int
 
     /**
      * <p>
-     * Gets the EXIF orientation tag of an image, if it's available.</p>
+     * Gets the EXIF orientation tag of an image if it's available.</p>
      * <p>
      * The Exif Orientation Tag is a number from 0 to 8, for the explanation of
      * each value see the

Ports/JavaSE/src/com/codename1/impl/javase/JavaSEPort.java

@@ -6831,7 +6831,7 @@ public Object createMutableImage(int width, int height, int fillColor) {
         BufferedImage b = createTrackableBufferedImage(width, height);
         if (a != 0) {
             Graphics2D g = b.createGraphics();
-            g.setColor(new Color(fillColor));
+            g.setColor(new Color(fillColor, true));
             g.fillRect(0, 0, width, height);
             g.dispose();
         }

maven/core-unittests/src/test/java/com/codename1/analytics/AnalyticsServiceTest.java

@@ -2,6 +2,7 @@
 
 import com.codename1.io.ConnectionRequest;
 import com.codename1.junit.FormTest;
+import com.codename1.junit.TestLogger;
 import com.codename1.junit.UITestBase;
 
 import java.util.List;
@@ -27,6 +28,7 @@ void testVisitQueuesAnalyticsRequest() {
 
     @FormTest
     void testCrashReportQueued() {
+        TestLogger.install();
         implementation.clearQueuedRequests();
         AnalyticsService.init("UA-2", "app.example.com");
         AnalyticsService.setAppsMode(true);
@@ -35,5 +37,6 @@ void testCrashReportQueued() {
         List<ConnectionRequest> requests = implementation.getQueuedRequests();
         assertEquals(1, requests.size());
         assertTrue(requests.get(0).getUrl().contains("google-analytics"));
+        TestLogger.remove();
     }
 }

scripts/android/tests/ProcessScreenshots.java

@@ -335,7 +335,7 @@ private static PNGImage loadPng(Path path) throws IOException {
         byte[] data = Files.readAllBytes(path);
         for (int i = 0; i < PNG_SIGNATURE.length; i++) {
             if (data[i] != PNG_SIGNATURE[i]) {
-                throw new IOException(path + " is not a PNG file (missing signature)");
+                throw new IOException(path + " is not a PNG file (missing signature) on " + path);
             }
         }
         int offset = PNG_SIGNATURE.length;
@@ -350,7 +350,7 @@ private static PNGImage loadPng(Path path) throws IOException {
             byte[] type = java.util.Arrays.copyOfRange(data, offset + 4, offset + 8);
             offset += 8;
             if (offset + length + 4 > data.length) {
-                throw new IOException("PNG chunk truncated before CRC");
+                throw new IOException("PNG chunk truncated before CRC while processing: " + path);
             }
             byte[] chunkData = java.util.Arrays.copyOfRange(data, offset, offset + length);
             offset += length + 4; // skip data + CRC
@@ -364,7 +364,7 @@ private static PNGImage loadPng(Path path) throws IOException {
                 int filter = chunkData[11] & 0xFF;
                 interlace = chunkData[12] & 0xFF;
                 if (compression != 0 || filter != 0) {
-                    throw new IOException("Unsupported PNG compression or filter method");
+                    throw new IOException("Unsupported PNG compression or filter method on " + path);
                 }
             } else if ("IDAT".equals(chunkType)) {
                 idatChunks.add(chunkData);
@@ -373,10 +373,10 @@ private static PNGImage loadPng(Path path) throws IOException {
             }
         }
         if (width <= 0 || height <= 0) {
-            throw new IOException("Missing IHDR chunk");
+            throw new IOException("Missing IHDR chunk on " + path);
         }
         if (interlace != 0) {
-            throw new IOException("Interlaced PNGs are not supported");
+            throw new IOException("Interlaced PNGs are not supported " + path);
         }
         int bytesPerPixel = bytesPerPixel(bitDepth, colorType);
         byte[] combined = concat(idatChunks);

scripts/hellocodenameone/common/src/main/css/theme.css

@@ -52,3 +52,12 @@ SideCommand {
     font-size: 4mm;
     border-bottom: 2px solid #cccccc;
 }
+
+GraphicsForm {
+    background: #cccccc;
+}
+
+GraphicsComponent {
+    padding: 0px;
+    margin: 1mm;
+}

scripts/hellocodenameone/common/src/main/java/com/codenameone/examples/hellocodenameone/HelloCodenameOne.java

@@ -1,5 +1,6 @@
 package com.codenameone.examples.hellocodenameone;
 
+import com.codename1.system.Lifecycle;
 import com.codename1.testing.TestReporting;
 import com.codename1.ui.Button;
 import com.codename1.ui.BrowserComponent;
@@ -15,33 +16,15 @@
 import com.codenameone.examples.hellocodenameone.tests.Cn1ssDeviceRunner;
 import com.codenameone.examples.hellocodenameone.tests.Cn1ssDeviceRunnerReporter;
 
-public class HelloCodenameOne {
-    private Form current;
-    private static boolean deviceRunnerExecuted;
-
+public class HelloCodenameOne extends Lifecycle {
+    @Override
     public void init(Object context) {
+        super.init(context);
         TestReporting.setInstance(new Cn1ssDeviceRunnerReporter());
     }
 
-    public void start() {
-        if (current != null) {
-            current.show();
-            return;
-        }
-        Form c = CN.getCurrentForm();
-        if (!deviceRunnerExecuted || c == null) {
-            deviceRunnerExecuted = true;
-            new Thread(() -> new Cn1ssDeviceRunner().runSuite()).start();
-            return;
-        }
-        c.show();
-    }
-
-    public void stop() {
-        current = Display.getInstance().getCurrent();
-    }
-
-    public void destroy() {
-        // Nothing to clean up for this sample
+    @Override
+    public void runApp() {
+        new Thread(() -> new Cn1ssDeviceRunner().runSuite()).start();
     }
 }

scripts/hellocodenameone/common/src/main/java/com/codenameone/examples/hellocodenameone/tests/AbstractGraphicsScreenshotTest.java

@@ -1,18 +1,118 @@
 package com.codenameone.examples.hellocodenameone.tests;
 
+import com.codename1.ui.CN;
 import com.codename1.ui.Component;
+import com.codename1.ui.Font;
 import com.codename1.ui.Form;
+import com.codename1.ui.Graphics;
+import com.codename1.ui.Image;
+import com.codename1.ui.geom.Rectangle;
 import com.codename1.ui.layouts.BorderLayout;
+import com.codename1.ui.layouts.GridLayout;
 
-abstract class AbstractGraphicsScreenshotTest extends BaseTest {
-    protected abstract Component createContent();
+public abstract class AbstractGraphicsScreenshotTest extends BaseTest {
+    private final int[] colorSet = {0xff0000, 0xff00, 0xff, 0xffffff};
+    private int currentColor = -1;
+    private int factor = 0;
+
+    protected void nextColor(Graphics g) {
+        if(factor == 0) {
+            factor = CN.getDisplayWidth() < 400 ? 5 : 1;
+        }
+        if(currentColor == -1) {
+            currentColor = 0;
+            g.setColor(colorSet[0]);
+        }
+        g.darkerColor(1);
+        if(g.getColor() == 0) {
+            currentColor++;
+            if (currentColor == colorSet.length) {
+                currentColor = 0;
+            }
+            g.setColor(colorSet[currentColor]);
+        }
+    }
+
+    protected abstract void drawContent(Graphics g, Rectangle bounds);
 
     protected abstract String screenshotName();
 
+    static abstract class CleanPaintComponent extends Component {
+        CleanPaintComponent() {
+            setUIID("GraphicsComponent");
+        }
+
+        @Override
+        public void paint(Graphics g) {
+            int alpha = g.getAlpha();
+            int color = g.getColor();
+            Font font = g.getFont();
+            g.pushClip();
+            cleanPaint(g);
+            g.popClip();
+            g.setFont(font);
+            g.setColor(color);
+            g.setAlpha(alpha);
+        }
+
+        protected abstract void cleanPaint(Graphics g);
+    }
+
     @Override
     public boolean runTest() {
-        Form form = createForm("Graphics", new BorderLayout(), screenshotName());
-        form.add(BorderLayout.CENTER, createContent());
+        Form form = createForm(screenshotName(), new GridLayout(2, 2), screenshotName());
+        form.setUIID("GraphicsForm");
+        form.add(new CleanPaintComponent() {
+            @Override
+            public void cleanPaint(Graphics g) {
+                currentColor = -1;
+                g.setAntiAliased(false);
+                g.setAntiAliasedText(false);
+                g.fillRect(getX(), getY(), getWidth(), getHeight());
+                drawContent(g, getBounds());
+            }
+        });
+        form.add(new CleanPaintComponent() {
+            @Override
+            public void cleanPaint(Graphics g) {
+                currentColor = -1;
+                g.setAntiAliased(true);
+                g.setAntiAliasedText(true);
+                g.fillRect(getX(), getY(), getWidth(), getHeight());
+                drawContent(g, getBounds());
+            }
+        });
+        form.add(new CleanPaintComponent() {
+            private Image img;
+            @Override
+            public void cleanPaint(Graphics g) {
+                if (img == null || img.getWidth() != getWidth() || img.getHeight() != getHeight()) {
+                    currentColor = -1;
+                    img = Image.createImage(getWidth(), getHeight());
+                    Graphics imgGraphics = img.getGraphics();
+                    imgGraphics.setAntiAliased(false);
+                    imgGraphics.setAntiAliasedText(false);
+                    drawContent(imgGraphics, new Rectangle(0, 0, img.getWidth(), img.getHeight()));
+                }
+                g.drawImage(img, getX(), getY());
+            }
+        });
+        form.add(new CleanPaintComponent() {
+            private Image img;
+            @Override
+            public void cleanPaint(Graphics g) {
+                if (img == null || img.getWidth() != getWidth() || img.getHeight() != getHeight()) {
+                    currentColor = -1;
+                    img = Image.createImage(getWidth(), getHeight());
+                    Graphics imgGraphics = img.getGraphics();
+                    imgGraphics.setAntiAliased(true);
+                    imgGraphics.setAntiAliasedText(true);
+                    drawContent(imgGraphics, new Rectangle(0, 0, img.getWidth(), img.getHeight()));
+                }
+                g.drawImage(img, getX(), getY());
+            }
+        });
+
         form.show();
         return true;
     }