diff options
Diffstat (limited to 'src/classes/com/sun/opengl/util/j2d')
-rwxr-xr-x | src/classes/com/sun/opengl/util/j2d/TextRenderer.java | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/util/j2d/TextRenderer.java b/src/classes/com/sun/opengl/util/j2d/TextRenderer.java index 0d3ab73d9..a14918583 100755 --- a/src/classes/com/sun/opengl/util/j2d/TextRenderer.java +++ b/src/classes/com/sun/opengl/util/j2d/TextRenderer.java @@ -88,6 +88,12 @@ import com.sun.opengl.util.*; renderer.endRendering(); </PRE> + Unless you are sharing textures and display lists between OpenGL + contexts, you do not need to call the {@link #dispose dispose} + method of the TextRenderer; the OpenGL resources it uses + internally will be cleaned up automatically when the OpenGL + context is destroyed. <P> + Internally, the renderer uses a rectangle packing algorithm to pack multiple full Strings' rendering results (which are variable size) onto a larger OpenGL texture. The internal backing store is @@ -162,6 +168,14 @@ public class TextRenderer { private boolean isOrthoMode; private int beginRenderingWidth; private int beginRenderingHeight; + // For resetting the color after disposal of the old backing store + private boolean haveCachedColor; + private float cachedR; + private float cachedG; + private float cachedB; + private float cachedA; + private Color cachedColor; + private boolean needToResetColor; // For debugging only private Frame dbgFrame; @@ -356,6 +370,8 @@ public class TextRenderer { */ public void setColor(Color color) throws GLException { getBackingStore().setColor(color); + haveCachedColor = true; + cachedColor = color; } /** Changes the current color of this TextRenderer to the supplied @@ -375,6 +391,12 @@ public class TextRenderer { */ public void setColor(float r, float g, float b, float a) throws GLException { getBackingStore().setColor(r, g, b, a); + haveCachedColor = true; + cachedR = r; + cachedG = g; + cachedB = b; + cachedA = a; + cachedColor = null; } /** Draws the supplied String at the desired location using the @@ -576,6 +598,15 @@ public class TextRenderer { packer.setMaxSize(sz[0], sz[0]); haveMaxSize = true; } + + if (needToResetColor && haveCachedColor) { + if (cachedColor == null) { + getBackingStore().setColor(cachedR, cachedG, cachedB, cachedA); + } else { + getBackingStore().setColor(cachedColor); + } + needToResetColor = false; + } } private void endRendering(boolean ortho) throws GLException { @@ -788,6 +819,15 @@ public class TextRenderer { } else { ((TextureRenderer) newBackingStore).begin3DRendering(); } + if (haveCachedColor) { + if (cachedColor == null) { + ((TextureRenderer) newBackingStore).setColor(cachedR, cachedG, cachedB, cachedA); + } else { + ((TextureRenderer) newBackingStore).setColor(cachedColor); + } + } + } else { + needToResetColor = true; } } } |