1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Eclipse Public License, Version 1.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.eclipse.org/org/documents/epl-v10.php 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.ide.eclipse.adt.internal.editors.layout.gle2; 18 19 import com.android.ide.common.api.DrawingStyle; 20 21 import org.eclipse.swt.SWT; 22 import org.eclipse.swt.graphics.RGB; 23 24 /** 25 * Description of the drawing styles with specific color, line style and alpha 26 * definitions. This class corresponds to the more generic {@link DrawingStyle} 27 * class which defines the drawing styles but does not introduce any specific 28 * SWT values to the API clients. 29 * <p> 30 * TODO: This class should eventually be replaced by a scheme where the color 31 * constants are instead coming from the theme. 32 */ 33 public enum SwtDrawingStyle { 34 /** 35 * The style definition corresponding to {@link DrawingStyle#SELECTION} 36 */ 37 SELECTION(new RGB(0x00, 0x99, 0xFF), 192, new RGB(0x00, 0x99, 0xFF), 192, 1, SWT.LINE_SOLID), 38 39 /** 40 * The style definition corresponding to {@link DrawingStyle#GUIDELINE} 41 */ 42 GUIDELINE(new RGB(0x00, 0xAA, 0x00), 192, SWT.LINE_SOLID), 43 44 /** 45 * The style definition corresponding to {@link DrawingStyle#GUIDELINE} 46 */ 47 GUIDELINE_SHADOW(new RGB(0x00, 0xAA, 0x00), 192, SWT.LINE_SOLID), 48 49 /** 50 * The style definition corresponding to {@link DrawingStyle#GUIDELINE_DASHED} 51 */ 52 GUIDELINE_DASHED(new RGB(0x00, 0xAA, 0x00), 192, SWT.LINE_CUSTOM), 53 54 /** 55 * The style definition corresponding to {@link DrawingStyle#DISTANCE} 56 */ 57 DISTANCE(new RGB(0xFF, 0x00, 0x00), 192 - 32, SWT.LINE_SOLID), 58 59 /** 60 * The style definition corresponding to {@link DrawingStyle#GRID} 61 */ 62 GRID(new RGB(0xAA, 0xAA, 0xAA), 128, SWT.LINE_SOLID), 63 64 /** 65 * The style definition corresponding to {@link DrawingStyle#HOVER} 66 */ 67 HOVER(null, 0, new RGB(0xFF, 0xFF, 0xFF), 40, 1, SWT.LINE_DOT), 68 69 /** 70 * The style definition corresponding to {@link DrawingStyle#HOVER} 71 */ 72 HOVER_SELECTION(null, 0, new RGB(0xFF, 0xFF, 0xFF), 10, 1, SWT.LINE_DOT), 73 74 /** 75 * The style definition corresponding to {@link DrawingStyle#ANCHOR} 76 */ 77 ANCHOR(new RGB(0x00, 0x99, 0xFF), 96, SWT.LINE_SOLID), 78 79 /** 80 * The style definition corresponding to {@link DrawingStyle#OUTLINE} 81 */ 82 OUTLINE(new RGB(0x88, 0xFF, 0x88), 160, SWT.LINE_SOLID), 83 84 /** 85 * The style definition corresponding to {@link DrawingStyle#DROP_RECIPIENT} 86 */ 87 DROP_RECIPIENT(new RGB(0xFF, 0x99, 0x00), 255, new RGB(0xFF, 0x99, 0x00), 160, 2, 88 SWT.LINE_SOLID), 89 90 /** 91 * The style definition corresponding to {@link DrawingStyle#DROP_ZONE} 92 */ 93 DROP_ZONE(new RGB(0x00, 0xAA, 0x00), 220, new RGB(0x55, 0xAA, 0x00), 200, 1, SWT.LINE_SOLID), 94 95 /** 96 * The style definition corresponding to 97 * {@link DrawingStyle#DROP_ZONE_ACTIVE} 98 */ 99 DROP_ZONE_ACTIVE(new RGB(0x00, 0xAA, 0x00), 220, new RGB(0x00, 0xAA, 0x00), 128, 2, 100 SWT.LINE_SOLID), 101 102 /** 103 * The style definition corresponding to {@link DrawingStyle#DROP_PREVIEW} 104 */ 105 DROP_PREVIEW(new RGB(0xFF, 0x99, 0x00), 255, null, 0, 2, SWT.LINE_CUSTOM), 106 107 /** 108 * The style definition corresponding to {@link DrawingStyle#RESIZE_PREVIEW} 109 */ 110 RESIZE_PREVIEW(new RGB(0xFF, 0x99, 0x00), 255, null, 0, 2, SWT.LINE_SOLID), 111 112 /** 113 * The style used to show a proposed resize bound which is being rejected (for example, 114 * because there is no near edge to attach to in a RelativeLayout). 115 */ 116 RESIZE_FAIL(new RGB(0xFF, 0x99, 0x00), 255, null, 0, 2, SWT.LINE_CUSTOM), 117 118 /** 119 * The style definition corresponding to {@link DrawingStyle#HELP} 120 */ 121 HELP(new RGB(0xFF, 0xFF, 0xFF), 255, new RGB(0x00, 0x00, 0x00), 128, 1, SWT.LINE_SOLID), 122 123 /** 124 * The style definition corresponding to {@link DrawingStyle#INVALID} 125 */ 126 INVALID(new RGB(0xFF, 0xFF, 0xFF), 255, new RGB(0xFF, 0x00, 0x00), 64, 2, SWT.LINE_SOLID), 127 128 /** 129 * The style definition corresponding to {@link DrawingStyle#DEPENDENCY} 130 */ 131 DEPENDENCY(new RGB(0xFF, 0xFF, 0xFF), 255, new RGB(0xFF, 0xFF, 0x00), 24, 2, SWT.LINE_SOLID), 132 133 /** 134 * The style definition corresponding to {@link DrawingStyle#CYCLE} 135 */ 136 CYCLE(new RGB(0xFF, 0x00, 0x00), 192, null, 0, 1, SWT.LINE_SOLID), 137 138 /** 139 * The style definition corresponding to {@link DrawingStyle#DRAGGED} 140 */ 141 DRAGGED(new RGB(0xFF, 0xFF, 0xFF), 255, new RGB(0x00, 0xFF, 0x00), 16, 2, SWT.LINE_SOLID), 142 143 /** 144 * The style definition corresponding to {@link DrawingStyle#EMPTY} 145 */ 146 EMPTY(new RGB(0xFF, 0xFF, 0x55), 255, new RGB(0xFF, 0xFF, 0x55), 255, 1, SWT.LINE_DASH), 147 148 /** 149 * The style definition corresponding to {@link DrawingStyle#CUSTOM1} 150 */ 151 CUSTOM1(new RGB(0xFF, 0x00, 0xFF), 255, null, 0, 1, SWT.LINE_SOLID), 152 153 /** 154 * The style definition corresponding to {@link DrawingStyle#CUSTOM2} 155 */ 156 CUSTOM2(new RGB(0x00, 0xFF, 0xFF), 255, null, 0, 1, SWT.LINE_DOT); 157 158 /** 159 * Construct a new style value with the given foreground, background, width, 160 * linestyle and transparency. 161 * 162 * @param stroke A color descriptor for the foreground color, or null if no 163 * foreground color should be set 164 * @param fill A color descriptor for the background color, or null if no 165 * foreground color should be set 166 * @param lineWidth The line width, in pixels, or 0 if no line width should 167 * be set 168 * @param lineStyle The SWT line style - such as {@link SWT#LINE_SOLID}. 169 * @param strokeAlpha The alpha value of the stroke, an integer in the range 0 to 255 170 * where 0 is fully transparent and 255 is fully opaque. 171 * @param fillAlpha The alpha value of the fill, an integer in the range 0 to 255 172 * where 0 is fully transparent and 255 is fully opaque. 173 */ 174 private SwtDrawingStyle(RGB stroke, int strokeAlpha, RGB fill, int fillAlpha, int lineWidth, 175 int lineStyle) { 176 mStroke = stroke; 177 mFill = fill; 178 mLineWidth = lineWidth; 179 mLineStyle = lineStyle; 180 mStrokeAlpha = strokeAlpha; 181 mFillAlpha = fillAlpha; 182 } 183 184 /** 185 * Convenience constructor for typical drawing styles, which do not specify 186 * a fill and use a standard thickness line 187 * 188 * @param stroke Stroke color to be used (e.g. for the border/foreground) 189 * @param strokeAlpha Transparency to use for the stroke; 0 is transparent 190 * and 255 is fully opaque. 191 * @param lineStyle The SWT line style - such as {@link SWT#LINE_SOLID}. 192 */ 193 private SwtDrawingStyle(RGB stroke, int strokeAlpha, int lineStyle) { 194 this(stroke, strokeAlpha, null, 255, 1, lineStyle); 195 } 196 197 /** 198 * Return the stroke/foreground/border RGB color description to be used for 199 * this style, or null if none 200 */ 201 public RGB getStrokeColor() { 202 return mStroke; 203 } 204 205 /** 206 * Return the fill/background/interior RGB color description to be used for 207 * this style, or null if none 208 */ 209 public RGB getFillColor() { 210 return mFill; 211 } 212 213 /** Return the line width to be used for this style */ 214 public int getLineWidth() { 215 return mLineWidth; 216 } 217 218 /** Return the SWT line style to be used for this style */ 219 public int getLineStyle() { 220 return mLineStyle; 221 } 222 223 /** 224 * Return the stroke alpha value (in the range 0,255) to be used for this 225 * style 226 */ 227 public int getStrokeAlpha() { 228 return mStrokeAlpha; 229 } 230 231 /** 232 * Return the fill alpha value (in the range 0,255) to be used for this 233 * style 234 */ 235 public int getFillAlpha() { 236 return mFillAlpha; 237 } 238 239 /** 240 * Return the corresponding SwtDrawingStyle for the given 241 * {@link DrawingStyle} 242 * @param style The style to convert from a {@link DrawingStyle} to a {@link SwtDrawingStyle}. 243 * @return A corresponding {@link SwtDrawingStyle}. 244 */ 245 public static SwtDrawingStyle of(DrawingStyle style) { 246 switch (style) { 247 case SELECTION: 248 return SELECTION; 249 case GUIDELINE: 250 return GUIDELINE; 251 case GUIDELINE_SHADOW: 252 return GUIDELINE_SHADOW; 253 case GUIDELINE_DASHED: 254 return GUIDELINE_DASHED; 255 case DISTANCE: 256 return DISTANCE; 257 case GRID: 258 return GRID; 259 case HOVER: 260 return HOVER; 261 case HOVER_SELECTION: 262 return HOVER_SELECTION; 263 case ANCHOR: 264 return ANCHOR; 265 case OUTLINE: 266 return OUTLINE; 267 case DROP_ZONE: 268 return DROP_ZONE; 269 case DROP_ZONE_ACTIVE: 270 return DROP_ZONE_ACTIVE; 271 case DROP_RECIPIENT: 272 return DROP_RECIPIENT; 273 case DROP_PREVIEW: 274 return DROP_PREVIEW; 275 case RESIZE_PREVIEW: 276 return RESIZE_PREVIEW; 277 case RESIZE_FAIL: 278 return RESIZE_FAIL; 279 case HELP: 280 return HELP; 281 case INVALID: 282 return INVALID; 283 case DEPENDENCY: 284 return DEPENDENCY; 285 case CYCLE: 286 return CYCLE; 287 case DRAGGED: 288 return DRAGGED; 289 case EMPTY: 290 return EMPTY; 291 case CUSTOM1: 292 return CUSTOM1; 293 case CUSTOM2: 294 return CUSTOM2; 295 296 // Internal error 297 default: 298 throw new IllegalArgumentException("Unknown style " + style); 299 } 300 } 301 302 /** RGB description of the stroke/foreground/border color */ 303 private final RGB mStroke; 304 305 /** RGB description of the fill/foreground/interior color */ 306 private final RGB mFill; 307 308 /** Pixel thickness of the stroke/border */ 309 private final int mLineWidth; 310 311 /** SWT line style of the border/stroke */ 312 private final int mLineStyle; 313 314 /** Alpha (in the range 0-255) of the stroke/border */ 315 private final int mStrokeAlpha; 316 317 /** Alpha (in the range 0-255) of the fill/interior */ 318 private final int mFillAlpha; 319 } 320
