51 return align( 52 getInteger("sun.java2d.renderer.edges", 4096, 64, 64 * 1024), 53 64); 54 } 55 56 /** 57 * Return the initial pixel size used to define initial arrays 58 * (tile AA chunk, alpha line, buckets) 59 * 60 * @return 64 < initial pixel size < 32768 (2048 by default) 61 */ 62 public static int getInitialImageSize() { 63 return align( 64 getInteger("sun.java2d.renderer.pixelsize", 2048, 64, 32 * 1024), 65 64); 66 } 67 68 /** 69 * Return the log(2) corresponding to subpixel on x-axis ( 70 * 71 * @return 1 (2 subpixels) < initial pixel size < 4 (256 subpixels) 72 * (3 by default ie 8 subpixels) 73 */ 74 public static int getSubPixel_Log2_X() { 75 return getInteger("sun.java2d.renderer.subPixel_log2_X", 3, 1, 8); 76 } 77 78 /** 79 * Return the log(2) corresponding to subpixel on y-axis ( 80 * 81 * @return 1 (2 subpixels) < initial pixel size < 8 (256 subpixels) 82 * (3 by default ie 8 subpixels) 83 */ 84 public static int getSubPixel_Log2_Y() { 85 return getInteger("sun.java2d.renderer.subPixel_log2_Y", 3, 1, 8); 86 } 87 88 /** 89 * Return the log(2) corresponding to the square tile size in pixels 90 * 91 * @return 3 (8x8 pixels) < tile size < 8 (256x256 pixels) 92 * (5 by default ie 32x32 pixels) 93 */ 94 public static int getTileSize_Log2() { 95 return getInteger("sun.java2d.renderer.tileSize_log2", 5, 3, 8); 96 } 97 98 /** 99 * Return the log(2) corresponding to the block size in pixels 100 * 101 * @return 3 (8 pixels) < block size < 8 (256 pixels) 102 * (5 by default ie 32 pixels) 103 */ 104 public static int getBlockSize_Log2() { 105 return getInteger("sun.java2d.renderer.blockSize_log2", 5, 3, 8); 106 } 107 108 // RLE / blockFlags settings 109 110 public static boolean isForceRLE() { 111 return getBoolean("sun.java2d.renderer.forceRLE", "false"); 112 } 113 114 public static boolean isForceNoRLE() { 115 return getBoolean("sun.java2d.renderer.forceNoRLE", "false"); 149 } 150 151 // logging parameters 152 153 public static boolean isLoggingEnabled() { 154 return getBoolean("sun.java2d.renderer.log", "false"); 155 } 156 157 public static boolean isUseLogger() { 158 return getBoolean("sun.java2d.renderer.useLogger", "false"); 159 } 160 161 public static boolean isLogCreateContext() { 162 return getBoolean("sun.java2d.renderer.logCreateContext", "false"); 163 } 164 165 public static boolean isLogUnsafeMalloc() { 166 return getBoolean("sun.java2d.renderer.logUnsafeMalloc", "false"); 167 } 168 169 // system property utilities 170 static boolean getBoolean(final String key, final String def) { 171 return Boolean.valueOf(AccessController.doPrivileged( 172 new GetPropertyAction(key, def))); 173 } 174 175 static int getInteger(final String key, final int def, 176 final int min, final int max) 177 { 178 final String property = AccessController.doPrivileged( 179 new GetPropertyAction(key)); 180 181 int value = def; 182 if (property != null) { 183 try { 184 value = Integer.decode(property); 185 } catch (NumberFormatException e) { 186 logInfo("Invalid integer value for " + key + " = " + property); 187 } 188 } 189 190 // check for invalid values 191 if ((value < min) || (value > max)) { 192 logInfo("Invalid value for " + key + " = " + value 193 + "; expected value in range[" + min + ", " + max + "] !"); 194 value = def; 195 } 196 return value; 197 } 198 199 static int align(final int val, final int norm) { 200 final int ceil = FloatMath.ceil_int( ((float)val) / norm); 201 return ceil * norm; 202 } 203 } | 51 return align( 52 getInteger("sun.java2d.renderer.edges", 4096, 64, 64 * 1024), 53 64); 54 } 55 56 /** 57 * Return the initial pixel size used to define initial arrays 58 * (tile AA chunk, alpha line, buckets) 59 * 60 * @return 64 < initial pixel size < 32768 (2048 by default) 61 */ 62 public static int getInitialImageSize() { 63 return align( 64 getInteger("sun.java2d.renderer.pixelsize", 2048, 64, 32 * 1024), 65 64); 66 } 67 68 /** 69 * Return the log(2) corresponding to subpixel on x-axis ( 70 * 71 * @return 0 (1 subpixels) < initial pixel size < 8 (256 subpixels) 72 * (3 by default ie 8 subpixels) 73 */ 74 public static int getSubPixel_Log2_X() { 75 return getInteger("sun.java2d.renderer.subPixel_log2_X", 3, 0, 8); 76 } 77 78 /** 79 * Return the log(2) corresponding to subpixel on y-axis ( 80 * 81 * @return 0 (1 subpixels) < initial pixel size < 8 (256 subpixels) 82 * (3 by default ie 8 subpixels) 83 */ 84 public static int getSubPixel_Log2_Y() { 85 return getInteger("sun.java2d.renderer.subPixel_log2_Y", 3, 0, 8); 86 } 87 88 /** 89 * Return the log(2) corresponding to the square tile size in pixels 90 * 91 * @return 3 (8x8 pixels) < tile size < 8 (256x256 pixels) 92 * (5 by default ie 32x32 pixels) 93 */ 94 public static int getTileSize_Log2() { 95 return getInteger("sun.java2d.renderer.tileSize_log2", 5, 3, 10); 96 } 97 98 /** 99 * Return the log(2) corresponding to the tile width in pixels 100 * 101 * @return 3 (8 pixels) < tile with < 8 (256 pixels) 102 * (by default is given by the square tile size) 103 */ 104 public static int getTileWidth_Log2() { 105 final int tileSize = getTileSize_Log2(); 106 return getInteger("sun.java2d.renderer.tileWidth_log2", tileSize, 3, 10); 107 } 108 109 /** 110 * Return the log(2) corresponding to the block size in pixels 111 * 112 * @return 3 (8 pixels) < block size < 8 (256 pixels) 113 * (5 by default ie 32 pixels) 114 */ 115 public static int getBlockSize_Log2() { 116 return getInteger("sun.java2d.renderer.blockSize_log2", 5, 3, 8); 117 } 118 119 // RLE / blockFlags settings 120 121 public static boolean isForceRLE() { 122 return getBoolean("sun.java2d.renderer.forceRLE", "false"); 123 } 124 125 public static boolean isForceNoRLE() { 126 return getBoolean("sun.java2d.renderer.forceNoRLE", "false"); 160 } 161 162 // logging parameters 163 164 public static boolean isLoggingEnabled() { 165 return getBoolean("sun.java2d.renderer.log", "false"); 166 } 167 168 public static boolean isUseLogger() { 169 return getBoolean("sun.java2d.renderer.useLogger", "false"); 170 } 171 172 public static boolean isLogCreateContext() { 173 return getBoolean("sun.java2d.renderer.logCreateContext", "false"); 174 } 175 176 public static boolean isLogUnsafeMalloc() { 177 return getBoolean("sun.java2d.renderer.logUnsafeMalloc", "false"); 178 } 179 180 // quality settings 181 182 public static float getCubicDecD2() { 183 return getFloat("sun.java2d.renderer.cubic_dec_d2", 1.0f, 0.01f, 4.0f); 184 } 185 186 public static float getCubicIncD1() { 187 return getFloat("sun.java2d.renderer.cubic_inc_d1", 0.4f, 0.01f, 2.0f); 188 } 189 190 public static float getQuadDecD2() { 191 return getFloat("sun.java2d.renderer.quad_dec_d2", 0.5f, 0.01f, 4.0f); 192 } 193 194 // system property utilities 195 static boolean getBoolean(final String key, final String def) { 196 return Boolean.valueOf(AccessController.doPrivileged( 197 new GetPropertyAction(key, def))); 198 } 199 200 static int getInteger(final String key, final int def, 201 final int min, final int max) 202 { 203 final String property = AccessController.doPrivileged( 204 new GetPropertyAction(key)); 205 206 int value = def; 207 if (property != null) { 208 try { 209 value = Integer.decode(property); 210 } catch (NumberFormatException e) { 211 logInfo("Invalid integer value for " + key + " = " + property); 212 } 213 } 214 215 // check for invalid values 216 if ((value < min) || (value > max)) { 217 logInfo("Invalid value for " + key + " = " + value 218 + "; expected value in range[" + min + ", " + max + "] !"); 219 value = def; 220 } 221 return value; 222 } 223 224 static int align(final int val, final int norm) { 225 final int ceil = FloatMath.ceil_int( ((float)val) / norm); 226 return ceil * norm; 227 } 228 229 public static double getDouble(final String key, final double def, 230 final double min, final double max) 231 { 232 double value = def; 233 final String property = AccessController.doPrivileged( 234 new GetPropertyAction(key)); 235 236 if (property != null) { 237 try { 238 value = Double.parseDouble(property); 239 } catch (NumberFormatException nfe) { 240 logInfo("Invalid value for " + key + " = " + property + " !"); 241 } 242 } 243 // check for invalid values 244 if (value < min || value > max) { 245 logInfo("Invalid value for " + key + " = " + value 246 + "; expect value in range[" + min + ", " + max + "] !"); 247 value = def; 248 } 249 return value; 250 } 251 252 public static float getFloat(final String key, final float def, 253 final float min, final float max) 254 { 255 return (float)getDouble(key, def, min, max); 256 } 257 } |