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authorRami Santina <[email protected]>2011-06-05 22:05:38 +0300
committerRami Santina <[email protected]>2011-06-05 22:05:38 +0300
commitdce77f00239074d33bb7dca4009e45ba87141093 (patch)
tree02bc797ebd2585afa2b6cdc10f697817b4213eb5 /src/jogl/classes/com/jogamp/graph/curve/Region.java
parent820fd3f4e45cfa79e94fad385eb47ff26a5fea2b (diff)
Graph: updated inclass documentations
Diffstat (limited to 'src/jogl/classes/com/jogamp/graph/curve/Region.java')
-rw-r--r--src/jogl/classes/com/jogamp/graph/curve/Region.java86
1 files changed, 54 insertions, 32 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/curve/Region.java b/src/jogl/classes/com/jogamp/graph/curve/Region.java
index 168d8dd70..af15f9dc4 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/Region.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/Region.java
@@ -35,8 +35,18 @@ import com.jogamp.graph.geom.AABBox;
import com.jogamp.graph.geom.Triangle;
import com.jogamp.graph.geom.Vertex;
+/** Abstract Outline shape GL representation
+ * define the method an OutlineShape(s) is
+ * binded rendered.
+ *
+ * @see GLRegion
+ */
public abstract class Region {
+
+ /** Debug flag for region impl (graph.curve)
+ */
public static final boolean DEBUG = Debug.debug("graph.curve");
+
public static final boolean DEBUG_INSTANCE = false;
/** View based Anti-Aliasing, A Two pass region rendering, slower
@@ -46,36 +56,57 @@ public abstract class Region {
public static final int VBAA_RENDERING_BIT = 1 << 0;
/** Use non uniform weights [0.0 .. 1.9] for curve region rendering.
- * Otherwise the default weight 1.0 for Bezier curve region rendering is being applied. */
+ * Otherwise the default weight 1.0 for uniform curve region rendering is being applied.
+ */
public static final int VARIABLE_CURVE_WEIGHT_BIT = 1 << 1;
-
+
public static final int TWO_PASS_DEFAULT_TEXTURE_UNIT = 0;
-
+
private final int renderModes;
private boolean dirty = true;
protected int numVertices = 0;
- protected boolean flipped = false;
protected final AABBox box = new AABBox();
protected ArrayList<Triangle> triangles = new ArrayList<Triangle>();
protected ArrayList<Vertex> vertices = new ArrayList<Vertex>();
-
+
public static boolean isVBAA(int renderModes) {
return 0 != ( renderModes & Region.VBAA_RENDERING_BIT );
}
-
- public static boolean usesVariableCurveWeight(int renderModes) {
+
+ /** Check if render mode capable of non uniform weights
+ * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT},
+ * {@link Region#VBAA_RENDERING_BIT}
+ * @return true of capable of non uniform weights
+ */
+ public static boolean isNonUniformWeight(int renderModes) {
return 0 != ( renderModes & Region.VARIABLE_CURVE_WEIGHT_BIT );
}
-
+
protected Region(int regionRenderModes) {
this.renderModes = regionRenderModes;
}
-
- public final int getRenderModes() { return renderModes; }
- public boolean isVBAA() { return Region.isVBAA(renderModes); }
- public boolean usesVariableCurveWeight() { return Region.usesVariableCurveWeight(renderModes); }
-
+ /** Get current Models
+ * @return bit-field of render modes
+ */
+ public final int getRenderModes() {
+ return renderModes;
+ }
+
+ /** Check if current Region is using VBAA
+ * @return true if capable of two pass rendering - VBAA
+ */
+ public boolean isVBAA() {
+ return Region.isVBAA(renderModes);
+ }
+
+ /** Check if current instance uses non uniform weights
+ * @return true if capable of nonuniform weights
+ */
+ public boolean isNonUniformWeight() {
+ return Region.isNonUniformWeight(renderModes);
+ }
+
/** Get the current number of vertices associated
* with this region. This number is not necessary equal to
* the OGL bound number of vertices.
@@ -84,7 +115,7 @@ public abstract class Region {
public final int getNumVertices(){
return numVertices;
}
-
+
/** Adds a {@link Triangle} object to the Region
* This triangle will be bound to OGL objects
* on the next call to {@code update}
@@ -96,7 +127,7 @@ public abstract class Region {
triangles.add(tri);
setDirty(true);
}
-
+
/** Adds a list of {@link Triangle} objects to the Region
* These triangles are to be binded to OGL objects
* on the next call to {@code update}
@@ -108,7 +139,7 @@ public abstract class Region {
triangles.addAll(tris);
setDirty(true);
}
-
+
/** Adds a {@link Vertex} object to the Region
* This vertex will be bound to OGL objects
* on the next call to {@code update}
@@ -121,7 +152,7 @@ public abstract class Region {
numVertices++;
setDirty(true);
}
-
+
/** Adds a list of {@link Vertex} objects to the Region
* These vertices are to be binded to OGL objects
* on the next call to {@code update}
@@ -134,24 +165,15 @@ public abstract class Region {
numVertices = vertices.size();
setDirty(true);
}
-
+
+ /**
+ * @return the AxisAligned bounding box of
+ * current region
+ */
public final AABBox getBounds(){
return box;
}
- /** Set if the y coordinate of the region should be flipped
- * {@code y=-y} used mainly for fonts since they use opposite vertex
- * as origion
- * @param flipped flag if the coordinate is flipped defaults to false.
- */
- public void setFlipped(boolean flipped) {
- this.flipped = flipped;
- }
-
- public final boolean isFlipped() {
- return flipped;
- }
-
/** Check if this region is dirty. A region is marked dirty
* when new Vertices, Triangles, and or Lines are added after a
* call to update()
@@ -162,7 +184,7 @@ public abstract class Region {
public final boolean isDirty() {
return dirty;
}
-
+
protected final void setDirty(boolean v) {
dirty = v;
}