diff --git a/designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java b/designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java index 393f217ce..c317d0e5a 100644 --- a/designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java +++ b/designer-base/src/main/java/com/fr/design/cell/CellStylePreviewPane.java @@ -6,6 +6,9 @@ import com.fr.base.Style; import com.fr.general.IOUtils; import javax.swing.JPanel; +import java.awt.AlphaComposite; +import java.awt.Color; +import java.awt.Composite; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; @@ -40,10 +43,21 @@ public class CellStylePreviewPane extends JPanel { @Override public void paint(Graphics g) { Graphics2D g2d = (Graphics2D) g; - int resolution = ScreenResolution.getScreenResolution(); - int width = getWidth(); - int height = getHeight(); + paintTransparentBackground(g2d, style); + + paintCellStyle(g2d, style); + } + + private void paintTransparentBackground(Graphics2D g2d, Style style) { + Color fontColor = style.getFRFont().getForeground(); + float g = fontColor.getRed() * 0.299F + fontColor.getGreen() * 0.587F * fontColor.getBlue() * 0.114F; + float alpha = 1.0F; + if (g < 50) { + alpha = 0.2F; + } else if (g < 160){ + alpha = 0.5F; + } float scaleWidth = 1.0F * getWidth() / transparentBackgroundWidth; float scaleHeight = 1.0F * getHeight() / transparentBackgroundHeight; @@ -54,7 +68,18 @@ public class CellStylePreviewPane extends JPanel { } else { scaleHeight = scaleWidth = maxScale; } + + Composite oldComposite = g2d.getComposite(); + g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha)); g2d.drawImage(transparentBackgroundImage, 0, 0, (int) (transparentBackgroundWidth * scaleWidth), (int) (transparentBackgroundHeight * scaleHeight), null); + g2d.setComposite(oldComposite); + } + + private void paintCellStyle(Graphics2D g2d, Style style) { + int resolution = ScreenResolution.getScreenResolution(); + + int width = getWidth(); + int height = getHeight(); if (style == Style.DEFAULT_STYLE) { // 如果是默认的style,就只写"Report"上去 diff --git a/designer-base/src/main/resources/com/fr/design/images/transparent_background.png b/designer-base/src/main/resources/com/fr/design/images/transparent_background.png index cfb233f46..4f942536f 100644 Binary files a/designer-base/src/main/resources/com/fr/design/images/transparent_background.png and b/designer-base/src/main/resources/com/fr/design/images/transparent_background.png differ