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Increase maximum desired zoom to 2.5x

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git-svn-id: https://zxing.googlecode.com/svn/trunk@61 59b500cc-1b3d-0410-9834-0bbf25fbcc57
This commit is contained in:
srowen 2007-11-20 18:19:18 +00:00
parent 1c66eceb59
commit b4b090219e
1 changed files with 7 additions and 4 deletions
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11
javame/src/com/google/zxing/client/j2me/ZXingMIDlet.java
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@ -40,7 +40,8 @@ import java.io.IOException;
*/ */
public final class ZXingMIDlet extends MIDlet { public final class ZXingMIDlet extends MIDlet {
private static final int MAX_ZOOM = 200; private static final int NO_ZOOM = 100;
private static final int MAX_ZOOM = 250;
private Canvas canvas; private Canvas canvas;
private Player player; private Player player;
@ -76,15 +77,17 @@ public final class ZXingMIDlet extends MIDlet {
} }
private static void setZoom(Player player) { private static void setZoom(Player player) {
// zoom up to 2x if possible
ZoomControl zoomControl = (ZoomControl) player.getControl("javax.microedition.amms.control.camera.ZoomControl"); ZoomControl zoomControl = (ZoomControl) player.getControl("javax.microedition.amms.control.camera.ZoomControl");
if (zoomControl != null) { if (zoomControl != null) {
// We zoom in if possible to encourage the viewer to take a snapshot from a greater distance.
// This is a crude way of dealing with the fact that many phone cameras will not focus at a
// very close range.
int maxZoom = zoomControl.getMaxOpticalZoom(); int maxZoom = zoomControl.getMaxOpticalZoom();
if (maxZoom > 100) { if (maxZoom > NO_ZOOM) {
zoomControl.setOpticalZoom(maxZoom > MAX_ZOOM ? MAX_ZOOM : maxZoom); zoomControl.setOpticalZoom(maxZoom > MAX_ZOOM ? MAX_ZOOM : maxZoom);
} else { } else {
int maxDigitalZoom = zoomControl.getMaxDigitalZoom(); int maxDigitalZoom = zoomControl.getMaxDigitalZoom();
if (maxDigitalZoom > 100) { if (maxDigitalZoom > NO_ZOOM) {
zoomControl.setDigitalZoom(maxDigitalZoom > MAX_ZOOM ? MAX_ZOOM : maxDigitalZoom); zoomControl.setDigitalZoom(maxDigitalZoom > MAX_ZOOM ? MAX_ZOOM : maxDigitalZoom);
} }
} }