The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* libs/android_runtime/android/graphics/Paint.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | ** |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
Dianne Hackborn | f43fa57 | 2011-08-12 18:59:39 -0700 | [diff] [blame^] | 18 | #define LOG_TAG "Paint" |
| 19 | |
| 20 | #include <utils/Log.h> |
| 21 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | #include "jni.h" |
| 23 | #include "GraphicsJNI.h" |
| 24 | #include <android_runtime/AndroidRuntime.h> |
| 25 | |
| 26 | #include "SkBlurDrawLooper.h" |
| 27 | #include "SkColorFilter.h" |
| 28 | #include "SkMaskFilter.h" |
| 29 | #include "SkRasterizer.h" |
| 30 | #include "SkShader.h" |
| 31 | #include "SkTypeface.h" |
| 32 | #include "SkXfermode.h" |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 33 | #include "unicode/ushape.h" |
Doug Felt | f7cb1f7 | 2010-07-01 16:20:43 -0700 | [diff] [blame] | 34 | #include "TextLayout.h" |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 35 | |
| 36 | // temporary for debugging |
Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 37 | #include <Caches.h> |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 38 | #include <utils/Log.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | |
| 40 | namespace android { |
| 41 | |
| 42 | struct JMetricsID { |
| 43 | jfieldID top; |
| 44 | jfieldID ascent; |
| 45 | jfieldID descent; |
| 46 | jfieldID bottom; |
| 47 | jfieldID leading; |
| 48 | }; |
| 49 | |
| 50 | static jclass gFontMetrics_class; |
| 51 | static JMetricsID gFontMetrics_fieldID; |
| 52 | |
| 53 | static jclass gFontMetricsInt_class; |
| 54 | static JMetricsID gFontMetricsInt_fieldID; |
| 55 | |
Mike Reed | 3d63e01 | 2009-07-27 09:50:31 -0400 | [diff] [blame] | 56 | static void defaultSettingsForAndroid(SkPaint* paint) { |
Mike Reed | 3d63e01 | 2009-07-27 09:50:31 -0400 | [diff] [blame] | 57 | // utf16 is required for java |
| 58 | paint->setTextEncoding(SkPaint::kUTF16_TextEncoding); |
| 59 | } |
| 60 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 61 | class SkPaintGlue { |
| 62 | public: |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 63 | enum MoveOpt { |
| 64 | AFTER, AT_OR_AFTER, BEFORE, AT_OR_BEFORE, AT |
| 65 | }; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 66 | |
| 67 | static void finalizer(JNIEnv* env, jobject clazz, SkPaint* obj) { |
| 68 | delete obj; |
| 69 | } |
| 70 | |
| 71 | static SkPaint* init(JNIEnv* env, jobject clazz) { |
| 72 | SkPaint* obj = new SkPaint(); |
Mike Reed | 3d63e01 | 2009-07-27 09:50:31 -0400 | [diff] [blame] | 73 | defaultSettingsForAndroid(obj); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 74 | return obj; |
| 75 | } |
| 76 | |
| 77 | static SkPaint* intiWithPaint(JNIEnv* env, jobject clazz, SkPaint* paint) { |
| 78 | SkPaint* obj = new SkPaint(*paint); |
| 79 | return obj; |
| 80 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 81 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 82 | static void reset(JNIEnv* env, jobject clazz, SkPaint* obj) { |
| 83 | obj->reset(); |
Mike Reed | 3d63e01 | 2009-07-27 09:50:31 -0400 | [diff] [blame] | 84 | defaultSettingsForAndroid(obj); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 85 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 86 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 87 | static void assign(JNIEnv* env, jobject clazz, SkPaint* dst, const SkPaint* src) { |
| 88 | *dst = *src; |
| 89 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 90 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 91 | static jint getFlags(JNIEnv* env, jobject paint) { |
| 92 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 93 | return GraphicsJNI::getNativePaint(env, paint)->getFlags(); |
| 94 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 95 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 96 | static void setFlags(JNIEnv* env, jobject paint, jint flags) { |
| 97 | NPE_CHECK_RETURN_VOID(env, paint); |
| 98 | GraphicsJNI::getNativePaint(env, paint)->setFlags(flags); |
| 99 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 100 | |
Dianne Hackborn | f43fa57 | 2011-08-12 18:59:39 -0700 | [diff] [blame^] | 101 | static jint getHinting(JNIEnv* env, jobject paint) { |
| 102 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 103 | return GraphicsJNI::getNativePaint(env, paint)->getHinting() |
| 104 | == SkPaint::kNo_Hinting ? 0 : 1; |
| 105 | } |
| 106 | |
| 107 | static void setHinting(JNIEnv* env, jobject paint, jint mode) { |
| 108 | NPE_CHECK_RETURN_VOID(env, paint); |
| 109 | GraphicsJNI::getNativePaint(env, paint)->setHinting( |
| 110 | mode == 0 ? SkPaint::kNo_Hinting : SkPaint::kSlight_Hinting); |
| 111 | } |
| 112 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 113 | static void setAntiAlias(JNIEnv* env, jobject paint, jboolean aa) { |
| 114 | NPE_CHECK_RETURN_VOID(env, paint); |
| 115 | GraphicsJNI::getNativePaint(env, paint)->setAntiAlias(aa); |
| 116 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 117 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 118 | static void setLinearText(JNIEnv* env, jobject paint, jboolean linearText) { |
| 119 | NPE_CHECK_RETURN_VOID(env, paint); |
| 120 | GraphicsJNI::getNativePaint(env, paint)->setLinearText(linearText); |
| 121 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 122 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 123 | static void setSubpixelText(JNIEnv* env, jobject paint, jboolean subpixelText) { |
| 124 | NPE_CHECK_RETURN_VOID(env, paint); |
| 125 | GraphicsJNI::getNativePaint(env, paint)->setSubpixelText(subpixelText); |
| 126 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 127 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 128 | static void setUnderlineText(JNIEnv* env, jobject paint, jboolean underlineText) { |
| 129 | NPE_CHECK_RETURN_VOID(env, paint); |
| 130 | GraphicsJNI::getNativePaint(env, paint)->setUnderlineText(underlineText); |
| 131 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 132 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 133 | static void setStrikeThruText(JNIEnv* env, jobject paint, jboolean strikeThruText) { |
| 134 | NPE_CHECK_RETURN_VOID(env, paint); |
| 135 | GraphicsJNI::getNativePaint(env, paint)->setStrikeThruText(strikeThruText); |
| 136 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 137 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 138 | static void setFakeBoldText(JNIEnv* env, jobject paint, jboolean fakeBoldText) { |
| 139 | NPE_CHECK_RETURN_VOID(env, paint); |
| 140 | GraphicsJNI::getNativePaint(env, paint)->setFakeBoldText(fakeBoldText); |
| 141 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 142 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 143 | static void setFilterBitmap(JNIEnv* env, jobject paint, jboolean filterBitmap) { |
| 144 | NPE_CHECK_RETURN_VOID(env, paint); |
| 145 | GraphicsJNI::getNativePaint(env, paint)->setFilterBitmap(filterBitmap); |
| 146 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 147 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 148 | static void setDither(JNIEnv* env, jobject paint, jboolean dither) { |
| 149 | NPE_CHECK_RETURN_VOID(env, paint); |
| 150 | GraphicsJNI::getNativePaint(env, paint)->setDither(dither); |
| 151 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 152 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 153 | static jint getStyle(JNIEnv* env, jobject clazz, SkPaint* obj) { |
| 154 | return obj->getStyle(); |
| 155 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 156 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 157 | static void setStyle(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Style style) { |
| 158 | obj->setStyle(style); |
| 159 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 160 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 161 | static jint getColor(JNIEnv* env, jobject paint) { |
| 162 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 163 | return GraphicsJNI::getNativePaint(env, paint)->getColor(); |
| 164 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 165 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 166 | static jint getAlpha(JNIEnv* env, jobject paint) { |
| 167 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 168 | return GraphicsJNI::getNativePaint(env, paint)->getAlpha(); |
| 169 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 170 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 171 | static void setColor(JNIEnv* env, jobject paint, jint color) { |
| 172 | NPE_CHECK_RETURN_VOID(env, paint); |
| 173 | GraphicsJNI::getNativePaint(env, paint)->setColor(color); |
| 174 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 175 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 176 | static void setAlpha(JNIEnv* env, jobject paint, jint a) { |
| 177 | NPE_CHECK_RETURN_VOID(env, paint); |
| 178 | GraphicsJNI::getNativePaint(env, paint)->setAlpha(a); |
| 179 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 180 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 181 | static jfloat getStrokeWidth(JNIEnv* env, jobject paint) { |
| 182 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 183 | return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getStrokeWidth()); |
| 184 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 185 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 186 | static void setStrokeWidth(JNIEnv* env, jobject paint, jfloat width) { |
| 187 | NPE_CHECK_RETURN_VOID(env, paint); |
| 188 | GraphicsJNI::getNativePaint(env, paint)->setStrokeWidth(SkFloatToScalar(width)); |
| 189 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 190 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 191 | static jfloat getStrokeMiter(JNIEnv* env, jobject paint) { |
| 192 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 193 | return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getStrokeMiter()); |
| 194 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 195 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 196 | static void setStrokeMiter(JNIEnv* env, jobject paint, jfloat miter) { |
| 197 | NPE_CHECK_RETURN_VOID(env, paint); |
| 198 | GraphicsJNI::getNativePaint(env, paint)->setStrokeMiter(SkFloatToScalar(miter)); |
| 199 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 200 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 201 | static jint getStrokeCap(JNIEnv* env, jobject clazz, SkPaint* obj) { |
| 202 | return obj->getStrokeCap(); |
| 203 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 204 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 205 | static void setStrokeCap(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Cap cap) { |
| 206 | obj->setStrokeCap(cap); |
| 207 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 208 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 209 | static jint getStrokeJoin(JNIEnv* env, jobject clazz, SkPaint* obj) { |
| 210 | return obj->getStrokeJoin(); |
| 211 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 212 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 213 | static void setStrokeJoin(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Join join) { |
| 214 | obj->setStrokeJoin(join); |
| 215 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 216 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 217 | static jboolean getFillPath(JNIEnv* env, jobject clazz, SkPaint* obj, SkPath* src, SkPath* dst) { |
| 218 | return obj->getFillPath(*src, dst); |
| 219 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 220 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 221 | static SkShader* setShader(JNIEnv* env, jobject clazz, SkPaint* obj, SkShader* shader) { |
| 222 | return obj->setShader(shader); |
| 223 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 224 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 225 | static SkColorFilter* setColorFilter(JNIEnv* env, jobject clazz, SkPaint* obj, SkColorFilter* filter) { |
| 226 | return obj->setColorFilter(filter); |
| 227 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 228 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 229 | static SkXfermode* setXfermode(JNIEnv* env, jobject clazz, SkPaint* obj, SkXfermode* xfermode) { |
| 230 | return obj->setXfermode(xfermode); |
| 231 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 232 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 233 | static SkPathEffect* setPathEffect(JNIEnv* env, jobject clazz, SkPaint* obj, SkPathEffect* effect) { |
| 234 | return obj->setPathEffect(effect); |
| 235 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 236 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 237 | static SkMaskFilter* setMaskFilter(JNIEnv* env, jobject clazz, SkPaint* obj, SkMaskFilter* maskfilter) { |
| 238 | return obj->setMaskFilter(maskfilter); |
| 239 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 240 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 241 | static SkTypeface* setTypeface(JNIEnv* env, jobject clazz, SkPaint* obj, SkTypeface* typeface) { |
| 242 | return obj->setTypeface(typeface); |
| 243 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 244 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 245 | static SkRasterizer* setRasterizer(JNIEnv* env, jobject clazz, SkPaint* obj, SkRasterizer* rasterizer) { |
| 246 | return obj->setRasterizer(rasterizer); |
| 247 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 248 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 249 | static jint getTextAlign(JNIEnv* env, jobject clazz, SkPaint* obj) { |
| 250 | return obj->getTextAlign(); |
| 251 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 252 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 253 | static void setTextAlign(JNIEnv* env, jobject clazz, SkPaint* obj, SkPaint::Align align) { |
| 254 | obj->setTextAlign(align); |
| 255 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 256 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 257 | static jfloat getTextSize(JNIEnv* env, jobject paint) { |
| 258 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 259 | return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextSize()); |
| 260 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 261 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 262 | static void setTextSize(JNIEnv* env, jobject paint, jfloat textSize) { |
| 263 | NPE_CHECK_RETURN_VOID(env, paint); |
| 264 | GraphicsJNI::getNativePaint(env, paint)->setTextSize(SkFloatToScalar(textSize)); |
| 265 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 266 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 267 | static jfloat getTextScaleX(JNIEnv* env, jobject paint) { |
| 268 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 269 | return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextScaleX()); |
| 270 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 271 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 272 | static void setTextScaleX(JNIEnv* env, jobject paint, jfloat scaleX) { |
| 273 | NPE_CHECK_RETURN_VOID(env, paint); |
| 274 | GraphicsJNI::getNativePaint(env, paint)->setTextScaleX(SkFloatToScalar(scaleX)); |
| 275 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 276 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 277 | static jfloat getTextSkewX(JNIEnv* env, jobject paint) { |
| 278 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 279 | return SkScalarToFloat(GraphicsJNI::getNativePaint(env, paint)->getTextSkewX()); |
| 280 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 281 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 282 | static void setTextSkewX(JNIEnv* env, jobject paint, jfloat skewX) { |
| 283 | NPE_CHECK_RETURN_VOID(env, paint); |
| 284 | GraphicsJNI::getNativePaint(env, paint)->setTextSkewX(SkFloatToScalar(skewX)); |
| 285 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 286 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 287 | static jfloat ascent(JNIEnv* env, jobject paint) { |
| 288 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 289 | SkPaint::FontMetrics metrics; |
| 290 | (void)GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); |
| 291 | return SkScalarToFloat(metrics.fAscent); |
| 292 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 293 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 294 | static jfloat descent(JNIEnv* env, jobject paint) { |
| 295 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 296 | SkPaint::FontMetrics metrics; |
| 297 | (void)GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); |
| 298 | return SkScalarToFloat(metrics.fDescent); |
| 299 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 300 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 301 | static jfloat getFontMetrics(JNIEnv* env, jobject paint, jobject metricsObj) { |
| 302 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 303 | SkPaint::FontMetrics metrics; |
| 304 | SkScalar spacing = GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); |
| 305 | |
| 306 | if (metricsObj) { |
| 307 | SkASSERT(env->IsInstanceOf(metricsObj, gFontMetrics_class)); |
| 308 | env->SetFloatField(metricsObj, gFontMetrics_fieldID.top, SkScalarToFloat(metrics.fTop)); |
| 309 | env->SetFloatField(metricsObj, gFontMetrics_fieldID.ascent, SkScalarToFloat(metrics.fAscent)); |
| 310 | env->SetFloatField(metricsObj, gFontMetrics_fieldID.descent, SkScalarToFloat(metrics.fDescent)); |
| 311 | env->SetFloatField(metricsObj, gFontMetrics_fieldID.bottom, SkScalarToFloat(metrics.fBottom)); |
| 312 | env->SetFloatField(metricsObj, gFontMetrics_fieldID.leading, SkScalarToFloat(metrics.fLeading)); |
| 313 | } |
| 314 | return SkScalarToFloat(spacing); |
| 315 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 316 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 317 | static jint getFontMetricsInt(JNIEnv* env, jobject paint, jobject metricsObj) { |
| 318 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 319 | SkPaint::FontMetrics metrics; |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 320 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 321 | GraphicsJNI::getNativePaint(env, paint)->getFontMetrics(&metrics); |
| 322 | int ascent = SkScalarRound(metrics.fAscent); |
| 323 | int descent = SkScalarRound(metrics.fDescent); |
| 324 | int leading = SkScalarRound(metrics.fLeading); |
| 325 | |
| 326 | if (metricsObj) { |
| 327 | SkASSERT(env->IsInstanceOf(metricsObj, gFontMetricsInt_class)); |
| 328 | env->SetIntField(metricsObj, gFontMetricsInt_fieldID.top, SkScalarFloor(metrics.fTop)); |
| 329 | env->SetIntField(metricsObj, gFontMetricsInt_fieldID.ascent, ascent); |
| 330 | env->SetIntField(metricsObj, gFontMetricsInt_fieldID.descent, descent); |
| 331 | env->SetIntField(metricsObj, gFontMetricsInt_fieldID.bottom, SkScalarCeil(metrics.fBottom)); |
| 332 | env->SetIntField(metricsObj, gFontMetricsInt_fieldID.leading, leading); |
| 333 | } |
| 334 | return descent - ascent + leading; |
| 335 | } |
| 336 | |
| 337 | static jfloat measureText_CII(JNIEnv* env, jobject jpaint, jcharArray text, int index, int count) { |
| 338 | NPE_CHECK_RETURN_ZERO(env, jpaint); |
| 339 | NPE_CHECK_RETURN_ZERO(env, text); |
| 340 | |
| 341 | size_t textLength = env->GetArrayLength(text); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 342 | if ((index | count) < 0 || (size_t)(index + count) > textLength) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 343 | doThrowAIOOBE(env); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 344 | return 0; |
| 345 | } |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 346 | if (count == 0) { |
| 347 | return 0; |
| 348 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 349 | |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 350 | SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 351 | const jchar* textArray = env->GetCharArrayElements(text, NULL); |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 352 | jfloat result = 0; |
| 353 | #if RTL_USE_HARFBUZZ |
Fabrice Di Meglio | 8fb5071 | 2011-05-13 18:51:21 -0700 | [diff] [blame] | 354 | TextLayout::getTextRunAdvances(paint, textArray, index, count, textLength, |
| 355 | paint->getFlags(), NULL /* dont need all advances */, result); |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 356 | #else |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 357 | // we double count, since measureText wants a byteLength |
| 358 | SkScalar width = paint->measureText(textArray + index, count << 1); |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 359 | result = SkScalarToFloat(width); |
| 360 | #endif |
| 361 | env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); |
| 362 | return result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 363 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 364 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 365 | static jfloat measureText_StringII(JNIEnv* env, jobject jpaint, jstring text, int start, int end) { |
| 366 | NPE_CHECK_RETURN_ZERO(env, jpaint); |
| 367 | NPE_CHECK_RETURN_ZERO(env, text); |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 368 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 369 | int count = end - start; |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 370 | if ((start | count) < 0) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 371 | doThrowAIOOBE(env); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 372 | return 0; |
| 373 | } |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 374 | if (count == 0) { |
| 375 | return 0; |
| 376 | } |
| 377 | size_t textLength = env->GetStringLength(text); |
| 378 | if ((size_t)count > textLength) { |
| 379 | doThrowAIOOBE(env); |
| 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | const jchar* textArray = env->GetStringChars(text, NULL); |
| 384 | SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 385 | jfloat width = 0; |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 386 | |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 387 | #if RTL_USE_HARFBUZZ |
Fabrice Di Meglio | 8fb5071 | 2011-05-13 18:51:21 -0700 | [diff] [blame] | 388 | TextLayout::getTextRunAdvances(paint, textArray, start, count, end, |
| 389 | paint->getFlags(), NULL /* dont need all advances */, width); |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 390 | #else |
| 391 | |
| 392 | width = SkScalarToFloat(paint->measureText(textArray + start, count << 1)); |
| 393 | #endif |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 394 | env->ReleaseStringChars(text, textArray); |
| 395 | return width; |
| 396 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 397 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 398 | static jfloat measureText_String(JNIEnv* env, jobject jpaint, jstring text) { |
| 399 | NPE_CHECK_RETURN_ZERO(env, jpaint); |
| 400 | NPE_CHECK_RETURN_ZERO(env, text); |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 401 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 402 | size_t textLength = env->GetStringLength(text); |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 403 | if (textLength == 0) { |
| 404 | return 0; |
| 405 | } |
| 406 | |
| 407 | const jchar* textArray = env->GetStringChars(text, NULL); |
| 408 | SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 409 | jfloat width = 0; |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 410 | |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 411 | #if RTL_USE_HARFBUZZ |
Fabrice Di Meglio | 8fb5071 | 2011-05-13 18:51:21 -0700 | [diff] [blame] | 412 | TextLayout::getTextRunAdvances(paint, textArray, 0, textLength, textLength, |
| 413 | paint->getFlags(), NULL /* dont need all advances */, width); |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 414 | #else |
| 415 | width = SkScalarToFloat(paint->measureText(textArray, textLength << 1)); |
| 416 | #endif |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 417 | env->ReleaseStringChars(text, textArray); |
| 418 | return width; |
| 419 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 420 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 421 | static int dotextwidths(JNIEnv* env, SkPaint* paint, const jchar text[], int count, jfloatArray widths) { |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 422 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 423 | NPE_CHECK_RETURN_ZERO(env, text); |
| 424 | |
| 425 | if (count < 0 || !widths) { |
| 426 | doThrowAIOOBE(env); |
| 427 | return 0; |
| 428 | } |
| 429 | if (count == 0) { |
| 430 | return 0; |
| 431 | } |
| 432 | size_t widthsLength = env->GetArrayLength(widths); |
| 433 | if ((size_t)count > widthsLength) { |
| 434 | doThrowAIOOBE(env); |
| 435 | return 0; |
| 436 | } |
| 437 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 438 | AutoJavaFloatArray autoWidths(env, widths, count); |
| 439 | jfloat* widthsArray = autoWidths.ptr(); |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 440 | |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 441 | #if RTL_USE_HARFBUZZ |
| 442 | jfloat totalAdvance; |
| 443 | |
Fabrice Di Meglio | 8fb5071 | 2011-05-13 18:51:21 -0700 | [diff] [blame] | 444 | TextLayout::getTextRunAdvances(paint, text, 0, count, count, |
| 445 | paint->getFlags(), widthsArray, totalAdvance); |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 446 | #else |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 447 | SkScalar* scalarArray = (SkScalar*)widthsArray; |
| 448 | |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 449 | count = paint->getTextWidths(text, count << 1, scalarArray); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 450 | for (int i = 0; i < count; i++) { |
| 451 | widthsArray[i] = SkScalarToFloat(scalarArray[i]); |
| 452 | } |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 453 | #endif |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 454 | return count; |
| 455 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 456 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 457 | static int getTextWidths___CII_F(JNIEnv* env, jobject clazz, SkPaint* paint, jcharArray text, int index, int count, jfloatArray widths) { |
| 458 | const jchar* textArray = env->GetCharArrayElements(text, NULL); |
| 459 | count = dotextwidths(env, paint, textArray + index, count, widths); |
| 460 | env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 461 | JNI_ABORT); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 462 | return count; |
| 463 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 464 | |
Fabrice Di Meglio | 9f82b58 | 2011-03-08 12:02:59 -0800 | [diff] [blame] | 465 | static int getTextWidths__StringII_F(JNIEnv* env, jobject clazz, SkPaint* paint, jstring text, |
| 466 | int start, int end, jfloatArray widths) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 467 | const jchar* textArray = env->GetStringChars(text, NULL); |
| 468 | int count = dotextwidths(env, paint, textArray + start, end - start, widths); |
| 469 | env->ReleaseStringChars(text, textArray); |
| 470 | return count; |
| 471 | } |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 472 | |
Fabrice Di Meglio | 9f82b58 | 2011-03-08 12:02:59 -0800 | [diff] [blame] | 473 | static int doTextGlyphs(JNIEnv* env, SkPaint* paint, const jchar* text, jint start, jint count, |
| 474 | jint contextCount, jint flags, jcharArray glyphs) { |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 475 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 476 | NPE_CHECK_RETURN_ZERO(env, text); |
| 477 | |
| 478 | if ((start | count | contextCount) < 0 || contextCount < count || !glyphs) { |
| 479 | doThrowAIOOBE(env); |
| 480 | return 0; |
| 481 | } |
| 482 | if (count == 0) { |
| 483 | return 0; |
| 484 | } |
| 485 | size_t glypthsLength = env->GetArrayLength(glyphs); |
| 486 | if ((size_t)count > glypthsLength) { |
| 487 | doThrowAIOOBE(env); |
| 488 | return 0; |
| 489 | } |
| 490 | |
Fabrice Di Meglio | 9f82b58 | 2011-03-08 12:02:59 -0800 | [diff] [blame] | 491 | jchar* glyphsArray = env->GetCharArrayElements(glyphs, NULL); |
| 492 | HB_ShaperItem shaperItem; |
| 493 | HB_FontRec font; |
| 494 | FontData fontData; |
Fabrice Di Meglio | 1de9e7a | 2011-04-05 13:43:18 -0700 | [diff] [blame] | 495 | TextLayoutCacheValue::shapeWithHarfbuzz(&shaperItem, &font, &fontData, paint, text, |
Fabrice Di Meglio | 9f82b58 | 2011-03-08 12:02:59 -0800 | [diff] [blame] | 496 | start, count, contextCount, flags); |
| 497 | |
| 498 | int glyphCount = shaperItem.num_glyphs; |
| 499 | for (int i = 0; i < glyphCount; i++) { |
| 500 | glyphsArray[i] = (jchar) shaperItem.glyphs[i]; |
| 501 | } |
Fabrice Di Meglio | eee49c6 | 2011-03-24 17:21:23 -0700 | [diff] [blame] | 502 | env->ReleaseCharArrayElements(glyphs, glyphsArray, JNI_ABORT); |
Fabrice Di Meglio | 9f82b58 | 2011-03-08 12:02:59 -0800 | [diff] [blame] | 503 | return glyphCount; |
| 504 | } |
| 505 | |
| 506 | static int getTextGlyphs__StringIIIII_C(JNIEnv* env, jobject clazz, SkPaint* paint, |
| 507 | jstring text, jint start, jint end, jint contextStart, jint contextEnd, jint flags, |
| 508 | jcharArray glyphs) { |
| 509 | const jchar* textArray = env->GetStringChars(text, NULL); |
| 510 | int count = doTextGlyphs(env, paint, textArray + contextStart, start - contextStart, |
| 511 | end - start, contextEnd - contextStart, flags, glyphs); |
| 512 | env->ReleaseStringChars(text, textArray); |
| 513 | return count; |
| 514 | } |
| 515 | |
Doug Felt | f7cb1f7 | 2010-07-01 16:20:43 -0700 | [diff] [blame] | 516 | static jfloat doTextRunAdvances(JNIEnv *env, SkPaint *paint, const jchar *text, |
| 517 | jint start, jint count, jint contextCount, jint flags, |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 518 | jfloatArray advances, jint advancesIndex) { |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 519 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 520 | NPE_CHECK_RETURN_ZERO(env, text); |
| 521 | |
| 522 | if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) { |
| 523 | doThrowAIOOBE(env); |
| 524 | return 0; |
| 525 | } |
| 526 | if (count == 0) { |
| 527 | return 0; |
| 528 | } |
| 529 | if (advances) { |
| 530 | size_t advancesLength = env->GetArrayLength(advances); |
| 531 | if ((size_t)count > advancesLength) { |
| 532 | doThrowAIOOBE(env); |
| 533 | return 0; |
| 534 | } |
| 535 | } |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 536 | jfloat advancesArray[count]; |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 537 | jfloat totalAdvance = 0; |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 538 | |
Doug Felt | f7cb1f7 | 2010-07-01 16:20:43 -0700 | [diff] [blame] | 539 | TextLayout::getTextRunAdvances(paint, text, start, count, contextCount, flags, |
| 540 | advancesArray, totalAdvance); |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 541 | |
| 542 | if (advances != NULL) { |
| 543 | env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray); |
| 544 | } |
| 545 | return totalAdvance; |
| 546 | } |
| 547 | |
Fabrice Di Meglio | eee49c6 | 2011-03-24 17:21:23 -0700 | [diff] [blame] | 548 | static jfloat doTextRunAdvancesICU(JNIEnv *env, SkPaint *paint, const jchar *text, |
| 549 | jint start, jint count, jint contextCount, jint flags, |
| 550 | jfloatArray advances, jint advancesIndex) { |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 551 | NPE_CHECK_RETURN_ZERO(env, paint); |
| 552 | NPE_CHECK_RETURN_ZERO(env, text); |
| 553 | |
| 554 | if ((start | count | contextCount | advancesIndex) < 0 || contextCount < count) { |
| 555 | doThrowAIOOBE(env); |
| 556 | return 0; |
| 557 | } |
| 558 | if (count == 0) { |
| 559 | return 0; |
| 560 | } |
| 561 | if (advances) { |
| 562 | size_t advancesLength = env->GetArrayLength(advances); |
| 563 | if ((size_t)count > advancesLength) { |
| 564 | doThrowAIOOBE(env); |
| 565 | return 0; |
| 566 | } |
| 567 | } |
| 568 | |
Fabrice Di Meglio | eee49c6 | 2011-03-24 17:21:23 -0700 | [diff] [blame] | 569 | jfloat advancesArray[count]; |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 570 | jfloat totalAdvance = 0; |
Fabrice Di Meglio | eee49c6 | 2011-03-24 17:21:23 -0700 | [diff] [blame] | 571 | |
| 572 | TextLayout::getTextRunAdvancesICU(paint, text, start, count, contextCount, flags, |
| 573 | advancesArray, totalAdvance); |
| 574 | |
| 575 | if (advances != NULL) { |
| 576 | env->SetFloatArrayRegion(advances, advancesIndex, count, advancesArray); |
| 577 | } |
| 578 | return totalAdvance; |
| 579 | } |
| 580 | |
Fabrice Di Meglio | 0a1413e | 2011-04-21 17:36:26 -0700 | [diff] [blame] | 581 | static float getTextRunAdvances___CIIIII_FII(JNIEnv* env, jobject clazz, SkPaint* paint, |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 582 | jcharArray text, jint index, jint count, jint contextIndex, jint contextCount, |
Fabrice Di Meglio | 0a1413e | 2011-04-21 17:36:26 -0700 | [diff] [blame] | 583 | jint flags, jfloatArray advances, jint advancesIndex, jint reserved) { |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 584 | jchar* textArray = env->GetCharArrayElements(text, NULL); |
Fabrice Di Meglio | 0a1413e | 2011-04-21 17:36:26 -0700 | [diff] [blame] | 585 | jfloat result = (reserved == 0) ? |
| 586 | doTextRunAdvances(env, paint, textArray + contextIndex, index - contextIndex, |
| 587 | count, contextCount, flags, advances, advancesIndex) : |
| 588 | doTextRunAdvancesICU(env, paint, textArray + contextIndex, index - contextIndex, |
| 589 | count, contextCount, flags, advances, advancesIndex); |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 590 | env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); |
| 591 | return result; |
| 592 | } |
| 593 | |
Fabrice Di Meglio | 0a1413e | 2011-04-21 17:36:26 -0700 | [diff] [blame] | 594 | static float getTextRunAdvances__StringIIIII_FII(JNIEnv* env, jobject clazz, SkPaint* paint, |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 595 | jstring text, jint start, jint end, jint contextStart, jint contextEnd, jint flags, |
Fabrice Di Meglio | 0a1413e | 2011-04-21 17:36:26 -0700 | [diff] [blame] | 596 | jfloatArray advances, jint advancesIndex, jint reserved) { |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 597 | const jchar* textArray = env->GetStringChars(text, NULL); |
Fabrice Di Meglio | 0a1413e | 2011-04-21 17:36:26 -0700 | [diff] [blame] | 598 | jfloat result = (reserved == 0) ? |
| 599 | doTextRunAdvances(env, paint, textArray + contextStart, start - contextStart, |
| 600 | end - start, contextEnd - contextStart, flags, advances, advancesIndex) : |
| 601 | doTextRunAdvancesICU(env, paint, textArray + contextStart, start - contextStart, |
| 602 | end - start, contextEnd - contextStart, flags, advances, advancesIndex); |
Fabrice Di Meglio | eee49c6 | 2011-03-24 17:21:23 -0700 | [diff] [blame] | 603 | env->ReleaseStringChars(text, textArray); |
| 604 | return result; |
| 605 | } |
| 606 | |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 607 | static jint doTextRunCursor(JNIEnv *env, SkPaint* paint, const jchar *text, jint start, |
| 608 | jint count, jint flags, jint offset, jint opt) { |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 609 | #if RTL_USE_HARFBUZZ |
| 610 | jfloat scalarArray[count]; |
Fabrice Di Meglio | 6ab90ed | 2011-08-08 16:19:38 -0700 | [diff] [blame] | 611 | jfloat totalAdvance = 0; |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 612 | |
| 613 | TextLayout::getTextRunAdvances(paint, text, start, count, count, flags, |
| 614 | scalarArray, totalAdvance); |
| 615 | #else |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 616 | SkScalar scalarArray[count]; |
| 617 | jchar buffer[count]; |
| 618 | |
| 619 | // this is where we'd call harfbuzz |
| 620 | // for now we just use ushape.c and widths returned from skia |
| 621 | |
| 622 | int widths; |
| 623 | if (flags & 0x1) { // rtl, call arabic shaping in case |
| 624 | UErrorCode status = U_ZERO_ERROR; |
| 625 | // Use fixed length since we need to keep start and count valid |
| 626 | u_shapeArabic(text + start, count, buffer, count, |
| 627 | U_SHAPE_LENGTH_FIXED_SPACES_NEAR | U_SHAPE_TEXT_DIRECTION_LOGICAL | |
| 628 | U_SHAPE_LETTERS_SHAPE | U_SHAPE_X_LAMALEF_SUB_ALTERNATE, &status); |
| 629 | // we shouldn't fail unless there's an out of memory condition, |
| 630 | // in which case we're hosed anyway |
| 631 | for (int i = 0; i < count; ++i) { |
| 632 | if (buffer[i] == 0xffff) { |
| 633 | buffer[i] = 0x200b; // zero-width-space for skia |
| 634 | } |
| 635 | } |
| 636 | widths = paint->getTextWidths(buffer, count << 1, scalarArray); |
| 637 | } else { |
| 638 | widths = paint->getTextWidths(text + start, count << 1, scalarArray); |
| 639 | } |
| 640 | |
| 641 | if (widths < count) { |
| 642 | // Skia operates on code points, not code units, so surrogate pairs return only one |
| 643 | // value. Expand the result so we have one value per UTF-16 code unit. |
| 644 | |
| 645 | // Note, skia's getTextWidth gets confused if it encounters a surrogate pair, |
| 646 | // leaving the remaining widths zero. Not nice. |
| 647 | const jchar *chars = text + start; |
| 648 | for (int i = count, p = widths - 1; --i > p;) { |
| 649 | if (chars[i] >= 0xdc00 && chars[i] < 0xe000 && |
| 650 | chars[i-1] >= 0xd800 && chars[i-1] < 0xdc00) { |
| 651 | scalarArray[i] = 0; |
| 652 | } else { |
| 653 | scalarArray[i] = scalarArray[--p]; |
| 654 | } |
| 655 | } |
| 656 | } |
Fabrice Di Meglio | 4f810c8 | 2011-04-19 14:53:58 -0700 | [diff] [blame] | 657 | #endif |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 658 | jint pos = offset - start; |
| 659 | switch (opt) { |
| 660 | case AFTER: |
| 661 | if (pos < count) { |
| 662 | pos += 1; |
| 663 | } |
| 664 | // fall through |
| 665 | case AT_OR_AFTER: |
| 666 | while (pos < count && scalarArray[pos] == 0) { |
| 667 | ++pos; |
| 668 | } |
| 669 | break; |
| 670 | case BEFORE: |
| 671 | if (pos > 0) { |
| 672 | --pos; |
| 673 | } |
| 674 | // fall through |
| 675 | case AT_OR_BEFORE: |
| 676 | while (pos > 0 && scalarArray[pos] == 0) { |
| 677 | --pos; |
| 678 | } |
| 679 | break; |
| 680 | case AT: |
| 681 | default: |
| 682 | if (scalarArray[pos] == 0) { |
| 683 | pos = -1; |
| 684 | } |
| 685 | break; |
| 686 | } |
| 687 | |
| 688 | if (pos != -1) { |
| 689 | pos += start; |
| 690 | } |
| 691 | |
| 692 | return pos; |
| 693 | } |
| 694 | |
| 695 | static jint getTextRunCursor___C(JNIEnv* env, jobject clazz, SkPaint* paint, jcharArray text, |
| 696 | jint contextStart, jint contextCount, jint flags, jint offset, jint cursorOpt) { |
| 697 | jchar* textArray = env->GetCharArrayElements(text, NULL); |
| 698 | jint result = doTextRunCursor(env, paint, textArray, contextStart, contextCount, flags, |
| 699 | offset, cursorOpt); |
| 700 | env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); |
| 701 | return result; |
| 702 | } |
| 703 | |
| 704 | static jint getTextRunCursor__String(JNIEnv* env, jobject clazz, SkPaint* paint, jstring text, |
| 705 | jint contextStart, jint contextEnd, jint flags, jint offset, jint cursorOpt) { |
| 706 | const jchar* textArray = env->GetStringChars(text, NULL); |
| 707 | jint result = doTextRunCursor(env, paint, textArray, contextStart, |
| 708 | contextEnd - contextStart, flags, offset, cursorOpt); |
| 709 | env->ReleaseStringChars(text, textArray); |
| 710 | return result; |
| 711 | } |
| 712 | |
Doug Felt | f7cb1f7 | 2010-07-01 16:20:43 -0700 | [diff] [blame] | 713 | static void getTextPath(JNIEnv* env, SkPaint* paint, const jchar* text, jint count, |
| 714 | jint bidiFlags, jfloat x, jfloat y, SkPath *path) { |
| 715 | TextLayout::getTextPath(paint, text, count, bidiFlags, x, y, path); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 716 | } |
Doug Felt | f7cb1f7 | 2010-07-01 16:20:43 -0700 | [diff] [blame] | 717 | |
| 718 | static void getTextPath___C(JNIEnv* env, jobject clazz, SkPaint* paint, jint bidiFlags, |
| 719 | jcharArray text, int index, int count, jfloat x, jfloat y, SkPath* path) { |
| 720 | const jchar* textArray = env->GetCharArrayElements(text, NULL); |
| 721 | getTextPath(env, paint, textArray + index, count, bidiFlags, x, y, path); |
| 722 | env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), JNI_ABORT); |
| 723 | } |
| 724 | |
| 725 | static void getTextPath__String(JNIEnv* env, jobject clazz, SkPaint* paint, jint bidiFlags, |
| 726 | jstring text, int start, int end, jfloat x, jfloat y, SkPath* path) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 727 | const jchar* textArray = env->GetStringChars(text, NULL); |
Doug Felt | f7cb1f7 | 2010-07-01 16:20:43 -0700 | [diff] [blame] | 728 | getTextPath(env, paint, textArray + start, end - start, bidiFlags, x, y, path); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 729 | env->ReleaseStringChars(text, textArray); |
| 730 | } |
Doug Felt | f7cb1f7 | 2010-07-01 16:20:43 -0700 | [diff] [blame] | 731 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 732 | static void setShadowLayer(JNIEnv* env, jobject jpaint, jfloat radius, |
| 733 | jfloat dx, jfloat dy, int color) { |
| 734 | NPE_CHECK_RETURN_VOID(env, jpaint); |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 735 | |
| 736 | SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 737 | if (radius <= 0) { |
| 738 | paint->setLooper(NULL); |
| 739 | } |
| 740 | else { |
| 741 | paint->setLooper(new SkBlurDrawLooper(SkFloatToScalar(radius), |
| 742 | SkFloatToScalar(dx), |
| 743 | SkFloatToScalar(dy), |
| 744 | (SkColor)color))->unref(); |
| 745 | } |
| 746 | } |
| 747 | |
| 748 | static int breakText(JNIEnv* env, const SkPaint& paint, const jchar text[], |
| 749 | int count, float maxWidth, jfloatArray jmeasured, |
| 750 | SkPaint::TextBufferDirection tbd) { |
| 751 | SkASSERT(paint.getTextEncoding() == SkPaint::kUTF16_TextEncoding); |
| 752 | |
| 753 | SkScalar measured; |
| 754 | size_t bytes = paint.breakText(text, count << 1, |
| 755 | SkFloatToScalar(maxWidth), &measured, tbd); |
| 756 | SkASSERT((bytes & 1) == 0); |
| 757 | |
| 758 | if (jmeasured && env->GetArrayLength(jmeasured) > 0) { |
| 759 | AutoJavaFloatArray autoMeasured(env, jmeasured, 1); |
| 760 | jfloat* array = autoMeasured.ptr(); |
| 761 | array[0] = SkScalarToFloat(measured); |
| 762 | } |
| 763 | return bytes >> 1; |
| 764 | } |
| 765 | |
| 766 | static int breakTextC(JNIEnv* env, jobject jpaint, jcharArray jtext, |
| 767 | int index, int count, float maxWidth, jfloatArray jmeasuredWidth) { |
| 768 | NPE_CHECK_RETURN_ZERO(env, jpaint); |
| 769 | NPE_CHECK_RETURN_ZERO(env, jtext); |
| 770 | |
| 771 | SkPaint::TextBufferDirection tbd; |
| 772 | if (count < 0) { |
| 773 | tbd = SkPaint::kBackward_TextBufferDirection; |
| 774 | count = -count; |
| 775 | } |
| 776 | else { |
| 777 | tbd = SkPaint::kForward_TextBufferDirection; |
| 778 | } |
| 779 | |
| 780 | if ((index < 0) || (index + count > env->GetArrayLength(jtext))) { |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 781 | doThrowAIOOBE(env); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 782 | return 0; |
| 783 | } |
| 784 | |
| 785 | SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); |
| 786 | const jchar* text = env->GetCharArrayElements(jtext, NULL); |
| 787 | count = breakText(env, *paint, text + index, count, maxWidth, |
| 788 | jmeasuredWidth, tbd); |
| 789 | env->ReleaseCharArrayElements(jtext, const_cast<jchar*>(text), |
| 790 | JNI_ABORT); |
| 791 | return count; |
| 792 | } |
| 793 | |
| 794 | static int breakTextS(JNIEnv* env, jobject jpaint, jstring jtext, |
| 795 | bool forwards, float maxWidth, jfloatArray jmeasuredWidth) { |
| 796 | NPE_CHECK_RETURN_ZERO(env, jpaint); |
| 797 | NPE_CHECK_RETURN_ZERO(env, jtext); |
| 798 | |
| 799 | SkPaint::TextBufferDirection tbd = forwards ? |
| 800 | SkPaint::kForward_TextBufferDirection : |
| 801 | SkPaint::kBackward_TextBufferDirection; |
| 802 | |
| 803 | SkPaint* paint = GraphicsJNI::getNativePaint(env, jpaint); |
| 804 | int count = env->GetStringLength(jtext); |
| 805 | const jchar* text = env->GetStringChars(jtext, NULL); |
| 806 | count = breakText(env, *paint, text, count, maxWidth, |
| 807 | jmeasuredWidth, tbd); |
| 808 | env->ReleaseStringChars(jtext, text); |
| 809 | return count; |
| 810 | } |
| 811 | |
| 812 | static void doTextBounds(JNIEnv* env, const jchar* text, int count, |
| 813 | jobject bounds, const SkPaint& paint) |
| 814 | { |
| 815 | SkRect r; |
| 816 | SkIRect ir; |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 817 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 818 | paint.measureText(text, count << 1, &r); |
| 819 | r.roundOut(&ir); |
| 820 | GraphicsJNI::irect_to_jrect(ir, env, bounds); |
| 821 | } |
| 822 | |
| 823 | static void getStringBounds(JNIEnv* env, jobject, const SkPaint* paint, |
| 824 | jstring text, int start, int end, jobject bounds) |
| 825 | { |
| 826 | const jchar* textArray = env->GetStringChars(text, NULL); |
| 827 | doTextBounds(env, textArray + start, end - start, bounds, *paint); |
| 828 | env->ReleaseStringChars(text, textArray); |
| 829 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 830 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 831 | static void getCharArrayBounds(JNIEnv* env, jobject, const SkPaint* paint, |
| 832 | jcharArray text, int index, int count, jobject bounds) |
| 833 | { |
| 834 | const jchar* textArray = env->GetCharArrayElements(text, NULL); |
| 835 | doTextBounds(env, textArray + index, count, bounds, *paint); |
| 836 | env->ReleaseCharArrayElements(text, const_cast<jchar*>(textArray), |
| 837 | JNI_ABORT); |
| 838 | } |
Elliott Hughes | 8451b25 | 2011-04-07 19:17:57 -0700 | [diff] [blame] | 839 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 840 | }; |
| 841 | |
| 842 | static JNINativeMethod methods[] = { |
| 843 | {"finalizer", "(I)V", (void*) SkPaintGlue::finalizer}, |
| 844 | {"native_init","()I", (void*) SkPaintGlue::init}, |
| 845 | {"native_initWithPaint","(I)I", (void*) SkPaintGlue::intiWithPaint}, |
| 846 | {"native_reset","(I)V", (void*) SkPaintGlue::reset}, |
| 847 | {"native_set","(II)V", (void*) SkPaintGlue::assign}, |
| 848 | {"getFlags","()I", (void*) SkPaintGlue::getFlags}, |
| 849 | {"setFlags","(I)V", (void*) SkPaintGlue::setFlags}, |
Dianne Hackborn | f43fa57 | 2011-08-12 18:59:39 -0700 | [diff] [blame^] | 850 | {"getHinting","()I", (void*) SkPaintGlue::getHinting}, |
| 851 | {"setHinting","(I)V", (void*) SkPaintGlue::setHinting}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 852 | {"setAntiAlias","(Z)V", (void*) SkPaintGlue::setAntiAlias}, |
| 853 | {"setSubpixelText","(Z)V", (void*) SkPaintGlue::setSubpixelText}, |
| 854 | {"setLinearText","(Z)V", (void*) SkPaintGlue::setLinearText}, |
| 855 | {"setUnderlineText","(Z)V", (void*) SkPaintGlue::setUnderlineText}, |
| 856 | {"setStrikeThruText","(Z)V", (void*) SkPaintGlue::setStrikeThruText}, |
| 857 | {"setFakeBoldText","(Z)V", (void*) SkPaintGlue::setFakeBoldText}, |
| 858 | {"setFilterBitmap","(Z)V", (void*) SkPaintGlue::setFilterBitmap}, |
| 859 | {"setDither","(Z)V", (void*) SkPaintGlue::setDither}, |
| 860 | {"native_getStyle","(I)I", (void*) SkPaintGlue::getStyle}, |
| 861 | {"native_setStyle","(II)V", (void*) SkPaintGlue::setStyle}, |
| 862 | {"getColor","()I", (void*) SkPaintGlue::getColor}, |
| 863 | {"setColor","(I)V", (void*) SkPaintGlue::setColor}, |
| 864 | {"getAlpha","()I", (void*) SkPaintGlue::getAlpha}, |
| 865 | {"setAlpha","(I)V", (void*) SkPaintGlue::setAlpha}, |
| 866 | {"getStrokeWidth","()F", (void*) SkPaintGlue::getStrokeWidth}, |
| 867 | {"setStrokeWidth","(F)V", (void*) SkPaintGlue::setStrokeWidth}, |
| 868 | {"getStrokeMiter","()F", (void*) SkPaintGlue::getStrokeMiter}, |
| 869 | {"setStrokeMiter","(F)V", (void*) SkPaintGlue::setStrokeMiter}, |
| 870 | {"native_getStrokeCap","(I)I", (void*) SkPaintGlue::getStrokeCap}, |
| 871 | {"native_setStrokeCap","(II)V", (void*) SkPaintGlue::setStrokeCap}, |
| 872 | {"native_getStrokeJoin","(I)I", (void*) SkPaintGlue::getStrokeJoin}, |
| 873 | {"native_setStrokeJoin","(II)V", (void*) SkPaintGlue::setStrokeJoin}, |
| 874 | {"native_getFillPath","(III)Z", (void*) SkPaintGlue::getFillPath}, |
| 875 | {"native_setShader","(II)I", (void*) SkPaintGlue::setShader}, |
| 876 | {"native_setColorFilter","(II)I", (void*) SkPaintGlue::setColorFilter}, |
| 877 | {"native_setXfermode","(II)I", (void*) SkPaintGlue::setXfermode}, |
| 878 | {"native_setPathEffect","(II)I", (void*) SkPaintGlue::setPathEffect}, |
| 879 | {"native_setMaskFilter","(II)I", (void*) SkPaintGlue::setMaskFilter}, |
| 880 | {"native_setTypeface","(II)I", (void*) SkPaintGlue::setTypeface}, |
| 881 | {"native_setRasterizer","(II)I", (void*) SkPaintGlue::setRasterizer}, |
| 882 | {"native_getTextAlign","(I)I", (void*) SkPaintGlue::getTextAlign}, |
| 883 | {"native_setTextAlign","(II)V", (void*) SkPaintGlue::setTextAlign}, |
| 884 | {"getTextSize","()F", (void*) SkPaintGlue::getTextSize}, |
| 885 | {"setTextSize","(F)V", (void*) SkPaintGlue::setTextSize}, |
| 886 | {"getTextScaleX","()F", (void*) SkPaintGlue::getTextScaleX}, |
| 887 | {"setTextScaleX","(F)V", (void*) SkPaintGlue::setTextScaleX}, |
| 888 | {"getTextSkewX","()F", (void*) SkPaintGlue::getTextSkewX}, |
| 889 | {"setTextSkewX","(F)V", (void*) SkPaintGlue::setTextSkewX}, |
| 890 | {"ascent","()F", (void*) SkPaintGlue::ascent}, |
| 891 | {"descent","()F", (void*) SkPaintGlue::descent}, |
| 892 | {"getFontMetrics", "(Landroid/graphics/Paint$FontMetrics;)F", (void*)SkPaintGlue::getFontMetrics}, |
| 893 | {"getFontMetricsInt", "(Landroid/graphics/Paint$FontMetricsInt;)I", (void*)SkPaintGlue::getFontMetricsInt}, |
Dianne Hackborn | afa7896 | 2009-09-28 17:33:54 -0700 | [diff] [blame] | 894 | {"native_measureText","([CII)F", (void*) SkPaintGlue::measureText_CII}, |
| 895 | {"native_measureText","(Ljava/lang/String;)F", (void*) SkPaintGlue::measureText_String}, |
| 896 | {"native_measureText","(Ljava/lang/String;II)F", (void*) SkPaintGlue::measureText_StringII}, |
| 897 | {"native_breakText","([CIIF[F)I", (void*) SkPaintGlue::breakTextC}, |
| 898 | {"native_breakText","(Ljava/lang/String;ZF[F)I", (void*) SkPaintGlue::breakTextS}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 899 | {"native_getTextWidths","(I[CII[F)I", (void*) SkPaintGlue::getTextWidths___CII_F}, |
| 900 | {"native_getTextWidths","(ILjava/lang/String;II[F)I", (void*) SkPaintGlue::getTextWidths__StringII_F}, |
Fabrice Di Meglio | 0a1413e | 2011-04-21 17:36:26 -0700 | [diff] [blame] | 901 | {"native_getTextRunAdvances","(I[CIIIII[FII)F", |
| 902 | (void*) SkPaintGlue::getTextRunAdvances___CIIIII_FII}, |
| 903 | {"native_getTextRunAdvances","(ILjava/lang/String;IIIII[FII)F", |
| 904 | (void*) SkPaintGlue::getTextRunAdvances__StringIIIII_FII}, |
| 905 | |
| 906 | |
Fabrice Di Meglio | 9f82b58 | 2011-03-08 12:02:59 -0800 | [diff] [blame] | 907 | {"native_getTextGlyphs","(ILjava/lang/String;IIIII[C)I", |
| 908 | (void*) SkPaintGlue::getTextGlyphs__StringIIIII_C}, |
Doug Felt | 0c702b8 | 2010-05-14 10:55:42 -0700 | [diff] [blame] | 909 | {"native_getTextRunCursor", "(I[CIIIII)I", (void*) SkPaintGlue::getTextRunCursor___C}, |
| 910 | {"native_getTextRunCursor", "(ILjava/lang/String;IIIII)I", |
| 911 | (void*) SkPaintGlue::getTextRunCursor__String}, |
Doug Felt | f7cb1f7 | 2010-07-01 16:20:43 -0700 | [diff] [blame] | 912 | {"native_getTextPath","(II[CIIFFI)V", (void*) SkPaintGlue::getTextPath___C}, |
| 913 | {"native_getTextPath","(IILjava/lang/String;IIFFI)V", (void*) SkPaintGlue::getTextPath__String}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 914 | {"nativeGetStringBounds", "(ILjava/lang/String;IILandroid/graphics/Rect;)V", |
| 915 | (void*) SkPaintGlue::getStringBounds }, |
| 916 | {"nativeGetCharArrayBounds", "(I[CIILandroid/graphics/Rect;)V", |
| 917 | (void*) SkPaintGlue::getCharArrayBounds }, |
Romain Guy | 1e45aae | 2010-08-13 19:39:53 -0700 | [diff] [blame] | 918 | {"nSetShadowLayer", "(FFFI)V", (void*)SkPaintGlue::setShadowLayer} |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 919 | }; |
| 920 | |
| 921 | static jfieldID req_fieldID(jfieldID id) { |
| 922 | SkASSERT(id); |
| 923 | return id; |
| 924 | } |
| 925 | |
| 926 | int register_android_graphics_Paint(JNIEnv* env) { |
| 927 | gFontMetrics_class = env->FindClass("android/graphics/Paint$FontMetrics"); |
| 928 | SkASSERT(gFontMetrics_class); |
| 929 | gFontMetrics_class = (jclass)env->NewGlobalRef(gFontMetrics_class); |
| 930 | |
| 931 | gFontMetrics_fieldID.top = req_fieldID(env->GetFieldID(gFontMetrics_class, "top", "F")); |
| 932 | gFontMetrics_fieldID.ascent = req_fieldID(env->GetFieldID(gFontMetrics_class, "ascent", "F")); |
| 933 | gFontMetrics_fieldID.descent = req_fieldID(env->GetFieldID(gFontMetrics_class, "descent", "F")); |
| 934 | gFontMetrics_fieldID.bottom = req_fieldID(env->GetFieldID(gFontMetrics_class, "bottom", "F")); |
| 935 | gFontMetrics_fieldID.leading = req_fieldID(env->GetFieldID(gFontMetrics_class, "leading", "F")); |
| 936 | |
| 937 | gFontMetricsInt_class = env->FindClass("android/graphics/Paint$FontMetricsInt"); |
| 938 | SkASSERT(gFontMetricsInt_class); |
| 939 | gFontMetricsInt_class = (jclass)env->NewGlobalRef(gFontMetricsInt_class); |
| 940 | |
| 941 | gFontMetricsInt_fieldID.top = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "top", "I")); |
| 942 | gFontMetricsInt_fieldID.ascent = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "ascent", "I")); |
| 943 | gFontMetricsInt_fieldID.descent = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "descent", "I")); |
| 944 | gFontMetricsInt_fieldID.bottom = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "bottom", "I")); |
| 945 | gFontMetricsInt_fieldID.leading = req_fieldID(env->GetFieldID(gFontMetricsInt_class, "leading", "I")); |
| 946 | |
| 947 | int result = AndroidRuntime::registerNativeMethods(env, "android/graphics/Paint", methods, |
| 948 | sizeof(methods) / sizeof(methods[0])); |
| 949 | return result; |
| 950 | } |
| 951 | |
| 952 | } |