diff options
| -rw-r--r-- | platform/java/example/PageCanvas.java | 12 | ||||
| -rw-r--r-- | platform/java/example/Viewer.java | 39 |
2 files changed, 43 insertions, 8 deletions
diff --git a/platform/java/example/PageCanvas.java b/platform/java/example/PageCanvas.java index 29f98a18..cca57dc5 100644 --- a/platform/java/example/PageCanvas.java +++ b/platform/java/example/PageCanvas.java @@ -68,13 +68,17 @@ public class PageCanvas extends java.awt.Canvas } public void zoomIn() { - mScale += 0.25f; - run(); + if (mScale < 10) { + mScale += 0.25f; + run(); + } } public void zoomOut() { - mScale -= 0.25f; - run(); + if (mScale > 0.25f) { + mScale -= 0.25f; + run(); + } } public void paint(Graphics g) diff --git a/platform/java/example/Viewer.java b/platform/java/example/Viewer.java index c158c42d..d70a82e3 100644 --- a/platform/java/example/Viewer.java +++ b/platform/java/example/Viewer.java @@ -29,9 +29,12 @@ public class Viewer extends Frame implements WindowListener, ActionListener protected Panel toolbar; protected PageCanvas pageCanvas; protected Label pageLabel; - protected Button firstButton, prevButton, nextButton, lastButton, zoomInButton, zoomOutButton; + protected Button firstButton, prevButton, nextButton, lastButton, zoomInButton, zoomOutButton, fontIncButton, fontDecButton; protected int pageCount; protected int pageNumber; + protected int layoutWidth; + protected int layoutHeight; + protected int layoutEm; private float retinaScale; @@ -45,7 +48,11 @@ public class Viewer extends Frame implements WindowListener, ActionListener pageCount = doc.countPages(); pageNumber = 0; - setSize(1200, 900); + layoutWidth = 1200; + layoutHeight = 800; + layoutEm = 12; + + setSize(layoutWidth, layoutHeight + 100); setTitle("MuPDF: " + doc.getMetaData(Document.META_INFO_TITLE)); toolbar = new Panel(); @@ -62,6 +69,14 @@ public class Viewer extends Frame implements WindowListener, ActionListener zoomInButton.addActionListener(this); zoomOutButton = new Button("-"); zoomOutButton.addActionListener(this); + + if (doc.isReflowable()) { + fontIncButton = new Button("FONT"); + fontIncButton.addActionListener(this); + fontDecButton = new Button("font"); + fontDecButton.addActionListener(this); + } + pageLabel = new Label(); toolbar.add(firstButton); @@ -70,6 +85,10 @@ public class Viewer extends Frame implements WindowListener, ActionListener toolbar.add(lastButton); toolbar.add(zoomInButton); toolbar.add(zoomOutButton); + if (doc.isReflowable()) { + toolbar.add(fontIncButton); + toolbar.add(fontDecButton); + } toolbar.add(pageLabel); add(toolbar, BorderLayout.NORTH); @@ -91,6 +110,7 @@ public class Viewer extends Frame implements WindowListener, ActionListener public void actionPerformed(ActionEvent event) { Object source = event.getSource(); int oldPageNumber = pageNumber; + int oldLayoutEm = layoutEm; if (source == firstButton) pageNumber = 0; @@ -109,6 +129,12 @@ public class Viewer extends Frame implements WindowListener, ActionListener if (pageNumber >= pageCount) pageNumber = pageCount - 1; } + if (doc.isReflowable() && source == fontIncButton) { + layoutEm = layoutEm + 1; + } + if (doc.isReflowable() && source == fontDecButton) { + layoutEm = layoutEm - 1; + } if (source == zoomInButton) { pageCanvas.zoomIn(); @@ -118,7 +144,10 @@ public class Viewer extends Frame implements WindowListener, ActionListener pageCanvas.zoomOut(); } - if (pageNumber != oldPageNumber) + if (layoutEm != oldLayoutEm) + doc.layout(layoutWidth, layoutHeight, layoutEm); + + if (pageNumber != oldPageNumber || layoutEm != oldLayoutEm) stuff(); } @@ -141,7 +170,7 @@ public class Viewer extends Frame implements WindowListener, ActionListener { public String getDescription() { - return "Supported files (*.pdf, *,xps, *.jpg, *.jpeg, *.png, *.epub, *.cbz, *.cbr)"; + return "Supported files (*.pdf, *,xps, *.jpg, *.jpeg, *.png, *.epub, *.cbz, *.cbr, *.epub)"; } public boolean accept(File f) @@ -166,6 +195,8 @@ public class Viewer extends Frame implements WindowListener, ActionListener return true; if (filename.endsWith(".cbr")) return true; + if (filename.endsWith(".epub")) + return true; return false; } |