src/com/cooliris/media/GridDrawables.java - platform/packages/apps/Gallery3D - Git at Google

 /*
  * Copyright (C) 2009 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.cooliris.media;

 import java.util.HashMap;

 import javax.microedition.khronos.opengles.GL11;

 import com.cooliris.app.App;
 import com.cooliris.app.Res;

 public final class GridDrawables {
     // The display primitives.
     public static GridQuad sGrid;
     public static GridQuadFrame sFrame;
     public static GridQuad sTextGrid;
     public static GridQuad sSelectedGrid;
     public static GridQuad sVideoGrid;
     public static GridQuad sLocationGrid;
     public static GridQuad sSourceIconGrid;
     public static final GridQuad[] sFullscreenGrid = new GridQuad[3];

     // All the resource Textures.
     private static final int TEXTURE_FRAME = Res.drawable.stack_frame;
     private static final int TEXTURE_GRID_FRAME = Res.drawable.grid_frame;
     private static final int TEXTURE_FRAME_FOCUS = Res.drawable.stack_frame_focus;
     private static final int TEXTURE_FRAME_PRESSED = Res.drawable.stack_frame_gold;
     private static final int TEXTURE_LOCATION = Res.drawable.btn_location_filter_unscaled;
     private static final int TEXTURE_VIDEO = Res.drawable.videooverlay;
     private static final int TEXTURE_CHECKMARK_ON = Res.drawable.grid_check_on;
     private static final int TEXTURE_CHECKMARK_OFF = Res.drawable.grid_check_off;
     private static final int TEXTURE_CAMERA_SMALL = Res.drawable.icon_camera_small_unscaled;
     private static final int TEXTURE_PICASA_SMALL = Res.drawable.icon_picasa_small_unscaled;
     public static final int[] TEXTURE_SPINNER = new int[8];
     private static final int TEXTURE_TRANSPARENT = Res.drawable.transparent;
     private static final int TEXTURE_PLACEHOLDER = Res.drawable.grid_placeholder;

     public Texture mTextureFrame;
     public Texture mTextureGridFrame;
     public Texture mTextureFrameFocus;
     public Texture mTextureFramePressed;
     public Texture mTextureLocation;
     public Texture mTextureVideo;
     public Texture mTextureCheckmarkOn;
     public Texture mTextureCheckmarkOff;
     public Texture mTextureCameraSmall;
     public Texture mTexturePicasaSmall;
     public Texture[] mTextureSpinner = new Texture[8];
     public Texture mTextureTransparent;
     public Texture mTexturePlaceholder;

     // The textures generated from strings.
     public static final HashMap<String, StringTexture> sStringTextureTable = new HashMap<String, StringTexture>(128);

     static {
         // We first populate the spinner textures.
         final int[] textureSpinner = TEXTURE_SPINNER;
         textureSpinner[0] = Res.drawable.ic_spinner1;
         textureSpinner[1] = Res.drawable.ic_spinner2;
         textureSpinner[2] = Res.drawable.ic_spinner3;
         textureSpinner[3] = Res.drawable.ic_spinner4;
         textureSpinner[4] = Res.drawable.ic_spinner5;
         textureSpinner[5] = Res.drawable.ic_spinner6;
         textureSpinner[6] = Res.drawable.ic_spinner7;
         textureSpinner[7] = Res.drawable.ic_spinner8;
     }

     public GridDrawables(final int itemWidth, final int itemHeight) {
         if (sGrid == null) {
             final float height = 1.0f;
             final float width = (float) (height * itemWidth) / (float) itemHeight;
             final float aspectRatio = (float) itemWidth / (float) itemHeight;
             final float oneByAspect = 1.0f / aspectRatio;

             // We create the grid quad.
             sGrid = GridQuad.createGridQuad(width, height, 0, 0, 1.0f, oneByAspect, true);

             // We create the quads used in fullscreen.
             sFullscreenGrid[0] = GridQuad.createGridQuad(width, height, 0, 0, 1.0f, oneByAspect, false);
             sFullscreenGrid[0].setDynamic(true);
             sFullscreenGrid[1] = GridQuad.createGridQuad(width, height, 0, 0, 1.0f, oneByAspect, false);
             sFullscreenGrid[1].setDynamic(true);
             sFullscreenGrid[2] = GridQuad.createGridQuad(width, height, 0, 0, 1.0f, oneByAspect, false);
             sFullscreenGrid[2].setDynamic(true);

             // We create supplementary quads for the checkmarks, video overlay
             // and location button
             float sizeOfSelectedIcon = 32 * App.PIXEL_DENSITY; // In pixels.
             sizeOfSelectedIcon /= itemHeight;
             float sizeOfLocationIcon = 52 * App.PIXEL_DENSITY; // In pixels.
             sizeOfLocationIcon /= itemHeight;
             float sizeOfSourceIcon = 76 * App.PIXEL_DENSITY; // In pixels.
             sizeOfSourceIcon /= itemHeight;
             sSelectedGrid = GridQuad.createGridQuad(sizeOfSelectedIcon, sizeOfSelectedIcon, -0.5f, 0.25f, 1.0f, 1.0f, false);
             sVideoGrid = GridQuad.createGridQuad(sizeOfSelectedIcon, sizeOfSelectedIcon, -0.08f, -0.09f, 1.0f, 1.0f, false);
             sLocationGrid = GridQuad.createGridQuad(sizeOfLocationIcon, sizeOfLocationIcon, 0, 0, 1.0f, 1.0f, false);
             sSourceIconGrid = GridQuad.createGridQuad(sizeOfSourceIcon, sizeOfSourceIcon, 0, 0, 1.0f, 1.0f, false);

             // We create the quad for the text label.
             float seedTextWidth = (App.PIXEL_DENSITY < 1.5f) ? 128.0f : 256.0f;
             float textWidth = (seedTextWidth / (float) itemWidth) * width;
             float textHeightPow2 = (App.PIXEL_DENSITY < 1.5f) ? 32.0f : 64.0f;
             float textHeight = (textHeightPow2 / (float) itemHeight) * height;
             float textOffsetY = 0.0f;
             sTextGrid = GridQuad.createGridQuad(textWidth, textHeight, 0, textOffsetY, 1.0f, 1.0f, false);

             // We finally create the frame around every grid item
             sFrame = GridQuadFrame.createFrame(width, height, itemWidth, itemHeight);
         }
     }

     public void onSurfaceCreated(RenderView view, GL11 gl) {
         // The grid quad.
         sGrid.freeHardwareBuffers(gl);
         sGrid.generateHardwareBuffers(gl);

         // The fullscreen quads.
         sFullscreenGrid[0].freeHardwareBuffers(gl);
         sFullscreenGrid[1].freeHardwareBuffers(gl);
         sFullscreenGrid[2].freeHardwareBuffers(gl);
         sFullscreenGrid[0].generateHardwareBuffers(gl);
         sFullscreenGrid[1].generateHardwareBuffers(gl);
         sFullscreenGrid[2].generateHardwareBuffers(gl);

         // Supplementary quads.
         sSelectedGrid.freeHardwareBuffers(gl);
         sVideoGrid.freeHardwareBuffers(gl);
         sLocationGrid.freeHardwareBuffers(gl);
         sSourceIconGrid.freeHardwareBuffers(gl);
         sSelectedGrid.generateHardwareBuffers(gl);
         sVideoGrid.generateHardwareBuffers(gl);
         sLocationGrid.generateHardwareBuffers(gl);
         sSourceIconGrid.generateHardwareBuffers(gl);

         // Text quads.
         sTextGrid.freeHardwareBuffers(gl);
         sTextGrid.generateHardwareBuffers(gl);

         // Frame mesh.
         sFrame.freeHardwareBuffers(gl);
         sFrame.generateHardwareBuffers(gl);

         // Clear the string table.
         sStringTextureTable.clear();

         // Regenerate all the textures.
         mTextureFrame = view.getResource(TEXTURE_FRAME, false);
         mTextureGridFrame = view.getResource(TEXTURE_GRID_FRAME, false);
         mTextureFrameFocus = view.getResource(TEXTURE_FRAME_FOCUS, false);
         mTextureFramePressed = view.getResource(TEXTURE_FRAME_PRESSED, false);
         mTextureLocation = view.getResource(TEXTURE_LOCATION, false);
         mTextureVideo = view.getResource(TEXTURE_VIDEO, false);
         mTextureCheckmarkOn = view.getResource(TEXTURE_CHECKMARK_ON, false);
         mTextureCheckmarkOff = view.getResource(TEXTURE_CHECKMARK_OFF, false);
         mTextureCameraSmall = view.getResource(TEXTURE_CAMERA_SMALL, false);
         mTexturePicasaSmall = view.getResource(TEXTURE_PICASA_SMALL, false);
         mTextureTransparent = view.getResource(TEXTURE_TRANSPARENT, false);
         mTexturePlaceholder = view.getResource(TEXTURE_PLACEHOLDER, false);
         view.loadTexture(mTextureFrame);
         view.loadTexture(mTextureGridFrame);
         view.loadTexture(mTextureFrameFocus);
         view.loadTexture(mTextureFramePressed);

         mTextureSpinner[0] = view.getResource(Res.drawable.ic_spinner1);
         mTextureSpinner[1] = view.getResource(Res.drawable.ic_spinner2);
         mTextureSpinner[2] = view.getResource(Res.drawable.ic_spinner3);
         mTextureSpinner[3] = view.getResource(Res.drawable.ic_spinner4);
         mTextureSpinner[4] = view.getResource(Res.drawable.ic_spinner5);
         mTextureSpinner[5] = view.getResource(Res.drawable.ic_spinner6);
         mTextureSpinner[6] = view.getResource(Res.drawable.ic_spinner7);
         mTextureSpinner[7] = view.getResource(Res.drawable.ic_spinner8);
     }

     public int getIconForSet(MediaSet set, boolean scaled) {
         // We return the scaled version for HUD rendering and the unscaled
         // version for 3D rendering.
         if (scaled) {
             if (set == null) {
                 return Res.drawable.icon_folder_small;
             }
             if (set.mPicasaAlbumId != Shared.INVALID) {
                 return Res.drawable.icon_picasa_small;
             } else if (set.mId == LocalDataSource.CAMERA_BUCKET_ID) {
                 return Res.drawable.icon_camera_small;
             } else {
                 return Res.drawable.icon_folder_small;
             }
         } else {
             if (set == null) {
                 return Res.drawable.icon_folder_small_unscaled;
             }
             if (set.mPicasaAlbumId != Shared.INVALID) {
                 return Res.drawable.icon_picasa_small_unscaled;
             } else if (set.mId == LocalDataSource.CAMERA_BUCKET_ID) {
                 return Res.drawable.icon_camera_small_unscaled;
             } else {
                 return Res.drawable.icon_folder_small_unscaled;
             }
         }
     }
 }
	/*
	* Copyright (C) 2009 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.cooliris.media;

	import java.util.HashMap;

	import javax.microedition.khronos.opengles.GL11;

	import com.cooliris.app.App;
	import com.cooliris.app.Res;

	public final class GridDrawables {
	// The display primitives.
	public static GridQuad sGrid;
	public static GridQuadFrame sFrame;
	public static GridQuad sTextGrid;
	public static GridQuad sSelectedGrid;
	public static GridQuad sVideoGrid;
	public static GridQuad sLocationGrid;
	public static GridQuad sSourceIconGrid;
	public static final GridQuad[] sFullscreenGrid = new GridQuad[3];

	// All the resource Textures.
	private static final int TEXTURE_FRAME = Res.drawable.stack_frame;
	private static final int TEXTURE_GRID_FRAME = Res.drawable.grid_frame;
	private static final int TEXTURE_FRAME_FOCUS = Res.drawable.stack_frame_focus;
	private static final int TEXTURE_FRAME_PRESSED = Res.drawable.stack_frame_gold;
	private static final int TEXTURE_LOCATION = Res.drawable.btn_location_filter_unscaled;
	private static final int TEXTURE_VIDEO = Res.drawable.videooverlay;
	private static final int TEXTURE_CHECKMARK_ON = Res.drawable.grid_check_on;
	private static final int TEXTURE_CHECKMARK_OFF = Res.drawable.grid_check_off;
	private static final int TEXTURE_CAMERA_SMALL = Res.drawable.icon_camera_small_unscaled;
	private static final int TEXTURE_PICASA_SMALL = Res.drawable.icon_picasa_small_unscaled;
	public static final int[] TEXTURE_SPINNER = new int[8];
	private static final int TEXTURE_TRANSPARENT = Res.drawable.transparent;
	private static final int TEXTURE_PLACEHOLDER = Res.drawable.grid_placeholder;

	public Texture mTextureFrame;
	public Texture mTextureGridFrame;
	public Texture mTextureFrameFocus;
	public Texture mTextureFramePressed;
	public Texture mTextureLocation;
	public Texture mTextureVideo;
	public Texture mTextureCheckmarkOn;
	public Texture mTextureCheckmarkOff;
	public Texture mTextureCameraSmall;
	public Texture mTexturePicasaSmall;
	public Texture[] mTextureSpinner = new Texture[8];
	public Texture mTextureTransparent;
	public Texture mTexturePlaceholder;

	// The textures generated from strings.
	public static final HashMap<String, StringTexture> sStringTextureTable = new HashMap<String, StringTexture>(128);

	static {
	// We first populate the spinner textures.
	final int[] textureSpinner = TEXTURE_SPINNER;
	textureSpinner[0] = Res.drawable.ic_spinner1;
	textureSpinner[1] = Res.drawable.ic_spinner2;
	textureSpinner[2] = Res.drawable.ic_spinner3;
	textureSpinner[3] = Res.drawable.ic_spinner4;
	textureSpinner[4] = Res.drawable.ic_spinner5;
	textureSpinner[5] = Res.drawable.ic_spinner6;
	textureSpinner[6] = Res.drawable.ic_spinner7;
	textureSpinner[7] = Res.drawable.ic_spinner8;
	}

	public GridDrawables(final int itemWidth, final int itemHeight) {
	if (sGrid == null) {
	final float height = 1.0f;
	final float width = (float) (height * itemWidth) / (float) itemHeight;
	final float aspectRatio = (float) itemWidth / (float) itemHeight;
	final float oneByAspect = 1.0f / aspectRatio;

	// We create the grid quad.
	sGrid = GridQuad.createGridQuad(width, height, 0, 0, 1.0f, oneByAspect, true);

	// We create the quads used in fullscreen.
	sFullscreenGrid[0] = GridQuad.createGridQuad(width, height, 0, 0, 1.0f, oneByAspect, false);
	sFullscreenGrid[0].setDynamic(true);
	sFullscreenGrid[1] = GridQuad.createGridQuad(width, height, 0, 0, 1.0f, oneByAspect, false);
	sFullscreenGrid[1].setDynamic(true);
	sFullscreenGrid[2] = GridQuad.createGridQuad(width, height, 0, 0, 1.0f, oneByAspect, false);
	sFullscreenGrid[2].setDynamic(true);

	// We create supplementary quads for the checkmarks, video overlay
	// and location button
	float sizeOfSelectedIcon = 32 * App.PIXEL_DENSITY; // In pixels.
	sizeOfSelectedIcon /= itemHeight;
	float sizeOfLocationIcon = 52 * App.PIXEL_DENSITY; // In pixels.
	sizeOfLocationIcon /= itemHeight;
	float sizeOfSourceIcon = 76 * App.PIXEL_DENSITY; // In pixels.
	sizeOfSourceIcon /= itemHeight;
	sSelectedGrid = GridQuad.createGridQuad(sizeOfSelectedIcon, sizeOfSelectedIcon, -0.5f, 0.25f, 1.0f, 1.0f, false);
	sVideoGrid = GridQuad.createGridQuad(sizeOfSelectedIcon, sizeOfSelectedIcon, -0.08f, -0.09f, 1.0f, 1.0f, false);
	sLocationGrid = GridQuad.createGridQuad(sizeOfLocationIcon, sizeOfLocationIcon, 0, 0, 1.0f, 1.0f, false);
	sSourceIconGrid = GridQuad.createGridQuad(sizeOfSourceIcon, sizeOfSourceIcon, 0, 0, 1.0f, 1.0f, false);

	// We create the quad for the text label.
	float seedTextWidth = (App.PIXEL_DENSITY < 1.5f) ? 128.0f : 256.0f;
	float textWidth = (seedTextWidth / (float) itemWidth) * width;
	float textHeightPow2 = (App.PIXEL_DENSITY < 1.5f) ? 32.0f : 64.0f;
	float textHeight = (textHeightPow2 / (float) itemHeight) * height;
	float textOffsetY = 0.0f;
	sTextGrid = GridQuad.createGridQuad(textWidth, textHeight, 0, textOffsetY, 1.0f, 1.0f, false);

	// We finally create the frame around every grid item
	sFrame = GridQuadFrame.createFrame(width, height, itemWidth, itemHeight);
	}
	}

	public void onSurfaceCreated(RenderView view, GL11 gl) {
	// The grid quad.
	sGrid.freeHardwareBuffers(gl);
	sGrid.generateHardwareBuffers(gl);

	// The fullscreen quads.
	sFullscreenGrid[0].freeHardwareBuffers(gl);
	sFullscreenGrid[1].freeHardwareBuffers(gl);
	sFullscreenGrid[2].freeHardwareBuffers(gl);
	sFullscreenGrid[0].generateHardwareBuffers(gl);
	sFullscreenGrid[1].generateHardwareBuffers(gl);
	sFullscreenGrid[2].generateHardwareBuffers(gl);

	// Supplementary quads.
	sSelectedGrid.freeHardwareBuffers(gl);
	sVideoGrid.freeHardwareBuffers(gl);
	sLocationGrid.freeHardwareBuffers(gl);
	sSourceIconGrid.freeHardwareBuffers(gl);
	sSelectedGrid.generateHardwareBuffers(gl);
	sVideoGrid.generateHardwareBuffers(gl);
	sLocationGrid.generateHardwareBuffers(gl);
	sSourceIconGrid.generateHardwareBuffers(gl);

	// Text quads.
	sTextGrid.freeHardwareBuffers(gl);
	sTextGrid.generateHardwareBuffers(gl);

	// Frame mesh.
	sFrame.freeHardwareBuffers(gl);
	sFrame.generateHardwareBuffers(gl);

	// Clear the string table.
	sStringTextureTable.clear();

	// Regenerate all the textures.
	mTextureFrame = view.getResource(TEXTURE_FRAME, false);
	mTextureGridFrame = view.getResource(TEXTURE_GRID_FRAME, false);
	mTextureFrameFocus = view.getResource(TEXTURE_FRAME_FOCUS, false);
	mTextureFramePressed = view.getResource(TEXTURE_FRAME_PRESSED, false);
	mTextureLocation = view.getResource(TEXTURE_LOCATION, false);
	mTextureVideo = view.getResource(TEXTURE_VIDEO, false);
	mTextureCheckmarkOn = view.getResource(TEXTURE_CHECKMARK_ON, false);
	mTextureCheckmarkOff = view.getResource(TEXTURE_CHECKMARK_OFF, false);
	mTextureCameraSmall = view.getResource(TEXTURE_CAMERA_SMALL, false);
	mTexturePicasaSmall = view.getResource(TEXTURE_PICASA_SMALL, false);
	mTextureTransparent = view.getResource(TEXTURE_TRANSPARENT, false);
	mTexturePlaceholder = view.getResource(TEXTURE_PLACEHOLDER, false);
	view.loadTexture(mTextureFrame);
	view.loadTexture(mTextureGridFrame);
	view.loadTexture(mTextureFrameFocus);
	view.loadTexture(mTextureFramePressed);

	mTextureSpinner[0] = view.getResource(Res.drawable.ic_spinner1);
	mTextureSpinner[1] = view.getResource(Res.drawable.ic_spinner2);
	mTextureSpinner[2] = view.getResource(Res.drawable.ic_spinner3);
	mTextureSpinner[3] = view.getResource(Res.drawable.ic_spinner4);
	mTextureSpinner[4] = view.getResource(Res.drawable.ic_spinner5);
	mTextureSpinner[5] = view.getResource(Res.drawable.ic_spinner6);
	mTextureSpinner[6] = view.getResource(Res.drawable.ic_spinner7);
	mTextureSpinner[7] = view.getResource(Res.drawable.ic_spinner8);
	}

	public int getIconForSet(MediaSet set, boolean scaled) {
	// We return the scaled version for HUD rendering and the unscaled
	// version for 3D rendering.
	if (scaled) {
	if (set == null) {
	return Res.drawable.icon_folder_small;
	}
	if (set.mPicasaAlbumId != Shared.INVALID) {
	return Res.drawable.icon_picasa_small;
	} else if (set.mId == LocalDataSource.CAMERA_BUCKET_ID) {
	return Res.drawable.icon_camera_small;
	} else {
	return Res.drawable.icon_folder_small;
	}
	} else {
	if (set == null) {
	return Res.drawable.icon_folder_small_unscaled;
	}
	if (set.mPicasaAlbumId != Shared.INVALID) {
	return Res.drawable.icon_picasa_small_unscaled;
	} else if (set.mId == LocalDataSource.CAMERA_BUCKET_ID) {
	return Res.drawable.icon_camera_small_unscaled;
	} else {
	return Res.drawable.icon_folder_small_unscaled;
	}
	}
	}
	}