| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.internal.win32.*; |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| |
| class ImageList { |
| int handle, refCount; |
| Image [] images; |
| static final int CREATE_FLAGS; |
| static { |
| if (OS.IsWinCE) { |
| CREATE_FLAGS = OS.ILC_MASK | OS.ILC_COLOR; |
| } else { |
| int flags = OS.ILC_MASK; |
| int hDC = OS.GetDC (0); |
| int bits = OS.GetDeviceCaps (hDC, OS.BITSPIXEL); |
| int planes = OS.GetDeviceCaps (hDC, OS.PLANES); |
| OS.ReleaseDC (0, hDC); |
| int depth = bits * planes; |
| switch (depth) { |
| case 4: |
| flags |= OS.ILC_COLOR4; |
| break; |
| case 8: |
| flags |= OS.ILC_COLOR8; |
| break; |
| case 16: |
| flags |= OS.ILC_COLOR16; |
| break; |
| case 24: |
| flags |= OS.ILC_COLOR24; |
| break; |
| case 32: |
| flags |= OS.ILC_COLOR32; |
| break; |
| default: |
| flags |= OS.ILC_COLOR; |
| } |
| CREATE_FLAGS = flags; |
| } |
| } |
| |
| public ImageList () { |
| handle = OS.ImageList_Create (32, 32, CREATE_FLAGS, 16, 16); |
| images = new Image [4]; |
| } |
| |
| public int add (Image image) { |
| int count = OS.ImageList_GetImageCount (handle); |
| int index = 0; |
| while (index < count) { |
| if (images [index] != null) { |
| if (images [index].isDisposed ()) images [index] = null; |
| } |
| if (images [index] == null) break; |
| index++; |
| } |
| int [] cx = new int [1], cy = new int [1]; |
| if (count == 0) { |
| Rectangle rect = image.getBounds(); |
| cx [0] = rect.width; |
| cy [0] = rect.height; |
| OS.ImageList_SetIconSize (handle, cx [0], cy [0]); |
| } |
| int hImage = image.handle; |
| OS.ImageList_GetIconSize (handle, cx, cy); |
| switch (image.type) { |
| case SWT.BITMAP: { |
| int hBitmap = copyBitmap (hImage, cx [0], cy [0]); |
| int background = -1; |
| Color color = image.getBackground (); |
| if (color != null) background = color.handle; |
| if (index == count) { |
| if (background != -1) { |
| OS.ImageList_AddMasked (handle, hBitmap, background); |
| } else { |
| int hMask = createMask (hBitmap, cx [0], cy [0], background); |
| OS.ImageList_Add (handle, hBitmap, hMask); |
| OS.DeleteObject (hMask); |
| } |
| } else { |
| int hMask = createMask (hBitmap, cx [0], cy [0], background); |
| OS.ImageList_Replace (handle, index, hBitmap, hMask); |
| OS.DeleteObject (hMask); |
| } |
| OS.DeleteObject (hBitmap); |
| break; |
| } |
| case SWT.ICON: { |
| if (OS.IsWinCE) { |
| OS.ImageList_ReplaceIcon (handle, index == count ? -1 : index, hImage); |
| } else { |
| int hIcon = copyIcon (hImage, cx [0], cy [0]); |
| OS.ImageList_ReplaceIcon (handle, index == count ? -1 : index, hIcon); |
| OS.DestroyIcon (hIcon); |
| } |
| break; |
| } |
| } |
| if (index == images.length) { |
| Image [] newImages = new Image [images.length + 4]; |
| System.arraycopy (images, 0, newImages, 0, images.length); |
| images = newImages; |
| } |
| images [index] = image; |
| return index; |
| } |
| |
| int addRef() { |
| return ++refCount; |
| } |
| |
| int copyBitmap (int hImage, int width, int height) { |
| BITMAP bm = new BITMAP (); |
| OS.GetObject (hImage, BITMAP.sizeof, bm); |
| int hDC = OS.GetDC (0); |
| int hdc1 = OS.CreateCompatibleDC (hDC); |
| OS.SelectObject (hdc1, hImage); |
| int hdc2 = OS.CreateCompatibleDC (hDC); |
| int hBitmap = OS.CreateCompatibleBitmap (hDC, width, height); |
| OS.SelectObject (hdc2, hBitmap); |
| if (!OS.IsWinCE) OS.SetStretchBltMode(hdc2, OS.COLORONCOLOR); |
| OS.StretchBlt (hdc2, 0, 0, width, height, hdc1, 0, 0, bm.bmWidth, bm.bmHeight, OS.SRCCOPY); |
| OS.DeleteDC (hdc1); |
| OS.DeleteDC (hdc2); |
| OS.ReleaseDC (0, hDC); |
| return hBitmap; |
| } |
| |
| int copyIcon (int hImage, int width, int height) { |
| if (OS.IsWinCE) SWT.error(SWT.ERROR_NOT_IMPLEMENTED); |
| int hIcon = OS.CopyImage (hImage, OS.IMAGE_ICON, width, height, OS.LR_DEFAULTCOLOR); |
| return hIcon != 0 ? hIcon : hImage; |
| } |
| |
| int createMask (int hBitmap, int width, int height, int background) { |
| int hMask = OS.CreateBitmap (width, height, 1, 1, null); |
| int hDC = OS.GetDC (0); |
| int hdc1 = OS.CreateCompatibleDC (hDC); |
| if (background != -1) { |
| OS.SelectObject (hdc1, hBitmap); |
| int hdc2 = OS.CreateCompatibleDC (hDC); |
| OS.SelectObject (hdc2, hMask); |
| OS.SetBkColor (hdc1, background); |
| OS.BitBlt (hdc2, 0, 0, width, height, hdc1, 0, 0, OS.SRCCOPY); |
| OS.DeleteDC (hdc2); |
| } else { |
| int hOldBitmap = OS.SelectObject (hdc1, hMask); |
| OS.PatBlt (hdc1, 0, 0, width, height, OS.BLACKNESS); |
| OS.SelectObject (hdc1, hOldBitmap); |
| } |
| OS.ReleaseDC (0, hDC); |
| OS.DeleteDC (hdc1); |
| return hMask; |
| } |
| |
| public void dispose () { |
| if (handle != 0) OS.ImageList_Destroy (handle); |
| handle = 0; |
| images = null; |
| } |
| |
| public Image get (int index) { |
| return images [index]; |
| } |
| |
| public int getHandle () { |
| return handle; |
| } |
| |
| public Point getImageSize() { |
| int [] cx = new int [1], cy = new int [1]; |
| OS.ImageList_GetIconSize (handle, cx, cy); |
| return new Point (cx [0], cy [0]); |
| } |
| |
| public int indexOf (Image image) { |
| int count = OS.ImageList_GetImageCount (handle); |
| for (int i=0; i<count; i++) { |
| if (images [i] != null) { |
| if (images [i].isDisposed ()) images [i] = null; |
| if (images [i] != null && images [i].equals (image)) return i; |
| } |
| } |
| return -1; |
| } |
| |
| public void put (int index, Image image) { |
| int count = OS.ImageList_GetImageCount (handle); |
| if (!(0 <= index && index < count)) return; |
| if (image != null) { |
| int [] cx = new int [1], cy = new int [1]; |
| OS.ImageList_GetIconSize (handle, cx, cy); |
| int hImage = image.handle; |
| switch (image.type) { |
| case SWT.BITMAP: { |
| int background = -1; |
| Color color = image.getBackground (); |
| if (color != null) background = color.handle; |
| int hBitmap = copyBitmap (hImage, cx [0], cy [0]); |
| int hMask = createMask (hBitmap, cx [0], cy [0], background); |
| OS.ImageList_Replace (handle, index, hBitmap, hMask); |
| OS.DeleteObject (hBitmap); |
| OS.DeleteObject (hMask); |
| break; |
| } |
| case SWT.ICON: { |
| if (OS.IsWinCE) { |
| OS.ImageList_ReplaceIcon (handle, index, hImage); |
| } else { |
| int hIcon = copyIcon (hImage, cx [0], cy [0]); |
| OS.ImageList_ReplaceIcon (handle, index, hIcon); |
| OS.DestroyIcon (hIcon); |
| } |
| break; |
| } |
| } |
| } |
| images [index] = image; |
| } |
| |
| public void remove (int index) { |
| int count = OS.ImageList_GetImageCount (handle); |
| if (!(0 <= index && index < count)) return; |
| OS.ImageList_Remove (handle, index); |
| System.arraycopy (images, index + 1, images, index, --count - index); |
| images [index] = null; |
| } |
| |
| int removeRef() { |
| return --refCount; |
| } |
| |
| public int size () { |
| int result = 0; |
| int count = OS.ImageList_GetImageCount (handle); |
| for (int i=0; i<count; i++) { |
| if (images [i] != null) { |
| if (images [i].isDisposed ()) images [i] = null; |
| if (images [i] != null) result++; |
| } |
| } |
| return result; |
| } |
| |
| } |