The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | #include <jni.h> |
| 2 | #include "GraphicsJNI.h" |
| 3 | |
| 4 | #include "SkShader.h" |
| 5 | #include "SkGradientShader.h" |
| 6 | #include "SkPorterDuff.h" |
| 7 | #include "SkComposeShader.h" |
| 8 | #include "SkTemplates.h" |
| 9 | #include "SkXfermode.h" |
| 10 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 11 | #include <SkiaShader.h> |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 12 | #include <Caches.h> |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 13 | |
| 14 | using namespace android::uirenderer; |
| 15 | |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 16 | static struct { |
| 17 | jclass clazz; |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 18 | jfieldID shader; |
| 19 | } gShaderClassInfo; |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 20 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | static void ThrowIAE_IfNull(JNIEnv* env, void* ptr) { |
| 22 | if (NULL == ptr) { |
| 23 | doThrowIAE(env); |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | static void Color_RGBToHSV(JNIEnv* env, jobject, int red, int green, int blue, jfloatArray hsvArray) |
| 28 | { |
| 29 | SkScalar hsv[3]; |
| 30 | SkRGBToHSV(red, green, blue, hsv); |
| 31 | |
| 32 | AutoJavaFloatArray autoHSV(env, hsvArray, 3); |
| 33 | float* values = autoHSV.ptr(); |
| 34 | for (int i = 0; i < 3; i++) { |
| 35 | values[i] = SkScalarToFloat(hsv[i]); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | static int Color_HSVToColor(JNIEnv* env, jobject, int alpha, jfloatArray hsvArray) |
| 40 | { |
| 41 | AutoJavaFloatArray autoHSV(env, hsvArray, 3); |
| 42 | float* values = autoHSV.ptr();; |
| 43 | SkScalar hsv[3]; |
| 44 | |
| 45 | for (int i = 0; i < 3; i++) { |
| 46 | hsv[i] = SkFloatToScalar(values[i]); |
| 47 | } |
| 48 | |
| 49 | return SkHSVToColor(alpha, hsv); |
| 50 | } |
| 51 | |
| 52 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 53 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 54 | static void Shader_destructor(JNIEnv* env, jobject o, SkShader* shader, SkiaShader* skiaShader) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | { |
Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 56 | shader->safeUnref(); |
| 57 | // skiaShader == NULL when not !USE_OPENGL_RENDERER, so no need to delete it outside the ifdef |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 58 | #ifdef USE_OPENGL_RENDERER |
| 59 | if (android::uirenderer::Caches::hasInstance()) { |
Chet Haase | 5c13d89 | 2010-10-08 08:37:55 -0700 | [diff] [blame] | 60 | android::uirenderer::Caches::getInstance().resourceCache.destructor(skiaShader); |
Chet Haase | ad93c2b | 2010-10-22 16:17:12 -0700 | [diff] [blame] | 61 | } else { |
| 62 | delete skiaShader; |
Romain Guy | a2341a9 | 2010-09-08 18:04:33 -0700 | [diff] [blame] | 63 | } |
| 64 | #endif |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 65 | } |
| 66 | |
| 67 | static bool Shader_getLocalMatrix(JNIEnv* env, jobject, const SkShader* shader, SkMatrix* matrix) |
| 68 | { |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame] | 69 | return shader ? shader->getLocalMatrix(matrix) : false; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 70 | } |
| 71 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 72 | static void Shader_setLocalMatrix(JNIEnv* env, jobject o, SkShader* shader, SkiaShader* skiaShader, |
| 73 | const SkMatrix* matrix) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 74 | { |
Mike Reed | a04e555 | 2009-07-30 11:05:57 -0400 | [diff] [blame] | 75 | if (shader) { |
| 76 | if (NULL == matrix) { |
| 77 | shader->resetLocalMatrix(); |
| 78 | } |
| 79 | else { |
| 80 | shader->setLocalMatrix(*matrix); |
| 81 | } |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 82 | #ifdef USE_OPENGL_RENDERER |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 83 | skiaShader->setMatrix(const_cast<SkMatrix*>(matrix)); |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 84 | #endif |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 85 | } |
| 86 | } |
| 87 | |
| 88 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 89 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 90 | static SkShader* BitmapShader_constructor(JNIEnv* env, jobject o, const SkBitmap* bitmap, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 91 | int tileModeX, int tileModeY) |
| 92 | { |
| 93 | SkShader* s = SkShader::CreateBitmapShader(*bitmap, |
| 94 | (SkShader::TileMode)tileModeX, |
| 95 | (SkShader::TileMode)tileModeY); |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 96 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 97 | ThrowIAE_IfNull(env, s); |
| 98 | return s; |
| 99 | } |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 100 | |
| 101 | static SkiaShader* BitmapShader_postConstructor(JNIEnv* env, jobject o, SkShader* shader, |
| 102 | SkBitmap* bitmap, int tileModeX, int tileModeY) { |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 103 | #ifdef USE_OPENGL_RENDERER |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 104 | SkiaShader* skiaShader = new SkiaBitmapShader(bitmap, shader, |
| 105 | static_cast<SkShader::TileMode>(tileModeX), static_cast<SkShader::TileMode>(tileModeY), |
| 106 | NULL, (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); |
| 107 | return skiaShader; |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 108 | #else |
| 109 | return NULL; |
| 110 | #endif |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 111 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 112 | |
| 113 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 114 | |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 115 | static SkShader* LinearGradient_create1(JNIEnv* env, jobject o, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 116 | float x0, float y0, float x1, float y1, |
| 117 | jintArray colorArray, jfloatArray posArray, int tileMode) |
| 118 | { |
| 119 | SkPoint pts[2]; |
| 120 | pts[0].set(SkFloatToScalar(x0), SkFloatToScalar(y0)); |
| 121 | pts[1].set(SkFloatToScalar(x1), SkFloatToScalar(y1)); |
| 122 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 123 | size_t count = env->GetArrayLength(colorArray); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 124 | const jint* colorValues = env->GetIntArrayElements(colorArray, NULL); |
| 125 | |
| 126 | SkAutoSTMalloc<8, SkScalar> storage(posArray ? count : 0); |
| 127 | SkScalar* pos = NULL; |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 128 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 129 | if (posArray) { |
| 130 | AutoJavaFloatArray autoPos(env, posArray, count); |
| 131 | const float* posValues = autoPos.ptr(); |
| 132 | pos = (SkScalar*)storage.get(); |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 133 | for (size_t i = 0; i < count; i++) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 134 | pos[i] = SkFloatToScalar(posValues[i]); |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 135 | } |
| 136 | } |
| 137 | |
| 138 | SkShader* shader = SkGradientShader::CreateLinear(pts, |
| 139 | reinterpret_cast<const SkColor*>(colorValues), |
| 140 | pos, count, |
| 141 | static_cast<SkShader::TileMode>(tileMode)); |
| 142 | |
| 143 | env->ReleaseIntArrayElements(colorArray, const_cast<jint*>(colorValues), JNI_ABORT); |
| 144 | ThrowIAE_IfNull(env, shader); |
| 145 | return shader; |
| 146 | } |
| 147 | |
| 148 | static SkiaShader* LinearGradient_postCreate1(JNIEnv* env, jobject o, SkShader* shader, |
| 149 | float x0, float y0, float x1, float y1, jintArray colorArray, |
| 150 | jfloatArray posArray, int tileMode) { |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 151 | #ifdef USE_OPENGL_RENDERER |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 152 | size_t count = env->GetArrayLength(colorArray); |
| 153 | const jint* colorValues = env->GetIntArrayElements(colorArray, NULL); |
| 154 | |
| 155 | jfloat* storedBounds = new jfloat[4]; |
| 156 | storedBounds[0] = x0; storedBounds[1] = y0; |
| 157 | storedBounds[2] = x1; storedBounds[3] = y1; |
| 158 | jfloat* storedPositions = new jfloat[count]; |
| 159 | uint32_t* storedColors = new uint32_t[count]; |
Romain Guy | 61c8c9c | 2010-08-09 20:48:09 -0700 | [diff] [blame] | 160 | for (size_t i = 0; i < count; i++) { |
| 161 | storedColors[i] = static_cast<uint32_t>(colorValues[i]); |
| 162 | } |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 163 | |
| 164 | if (posArray) { |
| 165 | AutoJavaFloatArray autoPos(env, posArray, count); |
| 166 | const float* posValues = autoPos.ptr(); |
| 167 | for (size_t i = 0; i < count; i++) { |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 168 | storedPositions[i] = posValues[i]; |
| 169 | } |
| 170 | } else { |
| 171 | storedPositions[0] = 0.0f; |
| 172 | storedPositions[1] = 1.0f; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 173 | } |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 174 | |
| 175 | SkiaShader* skiaShader = new SkiaLinearGradientShader(storedBounds, storedColors, |
| 176 | storedPositions, count, shader, static_cast<SkShader::TileMode>(tileMode), NULL, |
| 177 | (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); |
| 178 | |
| 179 | env->ReleaseIntArrayElements(colorArray, const_cast<jint*>(colorValues), JNI_ABORT); |
| 180 | return skiaShader; |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 181 | #else |
| 182 | return NULL; |
| 183 | #endif |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 184 | } |
| 185 | |
| 186 | static SkiaShader* LinearGradient_postCreate2(JNIEnv* env, jobject o, SkShader* shader, |
| 187 | float x0, float y0, float x1, float y1, int color0, int color1, int tileMode) { |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 188 | #ifdef USE_OPENGL_RENDERER |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 189 | float* storedBounds = new float[4]; |
| 190 | storedBounds[0] = x0; storedBounds[1] = y0; |
| 191 | storedBounds[2] = x1; storedBounds[3] = y1; |
| 192 | |
| 193 | float* storedPositions = new float[2]; |
| 194 | storedPositions[0] = 0.0f; |
| 195 | storedPositions[1] = 1.0f; |
| 196 | |
| 197 | uint32_t* storedColors = new uint32_t[2]; |
Romain Guy | 61c8c9c | 2010-08-09 20:48:09 -0700 | [diff] [blame] | 198 | storedColors[0] = static_cast<uint32_t>(color0); |
| 199 | storedColors[1] = static_cast<uint32_t>(color1); |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 200 | |
| 201 | SkiaShader* skiaShader = new SkiaLinearGradientShader(storedBounds, storedColors, |
| 202 | storedPositions, 2, shader, static_cast<SkShader::TileMode>(tileMode), NULL, |
| 203 | (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); |
| 204 | |
| 205 | return skiaShader; |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 206 | #else |
| 207 | return NULL; |
| 208 | #endif |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 209 | } |
| 210 | |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 211 | static SkShader* LinearGradient_create2(JNIEnv* env, jobject o, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 212 | float x0, float y0, float x1, float y1, |
| 213 | int color0, int color1, int tileMode) |
| 214 | { |
| 215 | SkPoint pts[2]; |
| 216 | pts[0].set(SkFloatToScalar(x0), SkFloatToScalar(y0)); |
| 217 | pts[1].set(SkFloatToScalar(x1), SkFloatToScalar(y1)); |
| 218 | |
| 219 | SkColor colors[2]; |
| 220 | colors[0] = color0; |
| 221 | colors[1] = color1; |
Romain Guy | 7fac2e1 | 2010-07-16 17:10:13 -0700 | [diff] [blame] | 222 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 223 | SkShader* s = SkGradientShader::CreateLinear(pts, colors, NULL, 2, (SkShader::TileMode)tileMode); |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 224 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 225 | ThrowIAE_IfNull(env, s); |
| 226 | return s; |
| 227 | } |
| 228 | |
| 229 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 230 | |
Romain Guy | ddb80be | 2010-09-20 19:04:33 -0700 | [diff] [blame] | 231 | static SkShader* RadialGradient_create1(JNIEnv* env, jobject, float x, float y, float radius, |
| 232 | jintArray colorArray, jfloatArray posArray, int tileMode) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 233 | SkPoint center; |
| 234 | center.set(SkFloatToScalar(x), SkFloatToScalar(y)); |
| 235 | |
| 236 | size_t count = env->GetArrayLength(colorArray); |
| 237 | const jint* colorValues = env->GetIntArrayElements(colorArray, NULL); |
| 238 | |
| 239 | SkAutoSTMalloc<8, SkScalar> storage(posArray ? count : 0); |
| 240 | SkScalar* pos = NULL; |
| 241 | |
| 242 | if (posArray) { |
| 243 | AutoJavaFloatArray autoPos(env, posArray, count); |
| 244 | const float* posValues = autoPos.ptr(); |
| 245 | pos = (SkScalar*)storage.get(); |
| 246 | for (size_t i = 0; i < count; i++) |
| 247 | pos[i] = SkFloatToScalar(posValues[i]); |
| 248 | } |
| 249 | |
| 250 | SkShader* shader = SkGradientShader::CreateRadial(center, |
| 251 | SkFloatToScalar(radius), |
| 252 | reinterpret_cast<const SkColor*>(colorValues), |
| 253 | pos, count, |
| 254 | static_cast<SkShader::TileMode>(tileMode)); |
| 255 | env->ReleaseIntArrayElements(colorArray, const_cast<jint*>(colorValues), |
| 256 | JNI_ABORT); |
| 257 | |
| 258 | ThrowIAE_IfNull(env, shader); |
| 259 | return shader; |
| 260 | } |
| 261 | |
Romain Guy | ddb80be | 2010-09-20 19:04:33 -0700 | [diff] [blame] | 262 | static SkShader* RadialGradient_create2(JNIEnv* env, jobject, float x, float y, float radius, |
| 263 | int color0, int color1, int tileMode) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 264 | SkPoint center; |
| 265 | center.set(SkFloatToScalar(x), SkFloatToScalar(y)); |
| 266 | |
| 267 | SkColor colors[2]; |
| 268 | colors[0] = color0; |
| 269 | colors[1] = color1; |
| 270 | |
| 271 | SkShader* s = SkGradientShader::CreateRadial(center, SkFloatToScalar(radius), colors, NULL, |
| 272 | 2, (SkShader::TileMode)tileMode); |
| 273 | ThrowIAE_IfNull(env, s); |
| 274 | return s; |
| 275 | } |
| 276 | |
Romain Guy | ddb80be | 2010-09-20 19:04:33 -0700 | [diff] [blame] | 277 | static SkiaShader* RadialGradient_postCreate1(JNIEnv* env, jobject o, SkShader* shader, |
| 278 | float x, float y, float radius, jintArray colorArray, jfloatArray posArray, int tileMode) { |
| 279 | #ifdef USE_OPENGL_RENDERER |
| 280 | size_t count = env->GetArrayLength(colorArray); |
| 281 | const jint* colorValues = env->GetIntArrayElements(colorArray, NULL); |
| 282 | |
| 283 | jfloat* storedPositions = new jfloat[count]; |
| 284 | uint32_t* storedColors = new uint32_t[count]; |
| 285 | for (size_t i = 0; i < count; i++) { |
| 286 | storedColors[i] = static_cast<uint32_t>(colorValues[i]); |
| 287 | } |
| 288 | |
| 289 | if (posArray) { |
| 290 | AutoJavaFloatArray autoPos(env, posArray, count); |
| 291 | const float* posValues = autoPos.ptr(); |
| 292 | for (size_t i = 0; i < count; i++) { |
| 293 | storedPositions[i] = posValues[i]; |
| 294 | } |
| 295 | } else { |
| 296 | storedPositions[0] = 0.0f; |
| 297 | storedPositions[1] = 1.0f; |
| 298 | } |
| 299 | |
| 300 | SkiaShader* skiaShader = new SkiaCircularGradientShader(x, y, radius, storedColors, |
| 301 | storedPositions, count, shader, (SkShader::TileMode) tileMode, NULL, |
| 302 | (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); |
| 303 | |
| 304 | env->ReleaseIntArrayElements(colorArray, const_cast<jint*>(colorValues), JNI_ABORT); |
| 305 | return skiaShader; |
| 306 | #else |
| 307 | return NULL; |
| 308 | #endif |
| 309 | } |
| 310 | |
| 311 | static SkiaShader* RadialGradient_postCreate2(JNIEnv* env, jobject o, SkShader* shader, |
| 312 | float x, float y, float radius, int color0, int color1, int tileMode) { |
| 313 | #ifdef USE_OPENGL_RENDERER |
| 314 | float* storedPositions = new float[2]; |
| 315 | storedPositions[0] = 0.0f; |
| 316 | storedPositions[1] = 1.0f; |
| 317 | |
| 318 | uint32_t* storedColors = new uint32_t[2]; |
| 319 | storedColors[0] = static_cast<uint32_t>(color0); |
| 320 | storedColors[1] = static_cast<uint32_t>(color1); |
| 321 | |
| 322 | SkiaShader* skiaShader = new SkiaCircularGradientShader(x, y, radius, storedColors, |
| 323 | storedPositions, 2, shader, (SkShader::TileMode) tileMode, NULL, |
| 324 | (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); |
| 325 | |
| 326 | return skiaShader; |
| 327 | #else |
| 328 | return NULL; |
| 329 | #endif |
| 330 | } |
| 331 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 332 | /////////////////////////////////////////////////////////////////////////////// |
| 333 | |
| 334 | static SkShader* SweepGradient_create1(JNIEnv* env, jobject, float x, float y, |
Romain Guy | ddb80be | 2010-09-20 19:04:33 -0700 | [diff] [blame] | 335 | jintArray jcolors, jfloatArray jpositions) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 336 | size_t count = env->GetArrayLength(jcolors); |
| 337 | const jint* colors = env->GetIntArrayElements(jcolors, NULL); |
| 338 | |
| 339 | SkAutoSTMalloc<8, SkScalar> storage(jpositions ? count : 0); |
| 340 | SkScalar* pos = NULL; |
| 341 | |
| 342 | if (NULL != jpositions) { |
| 343 | AutoJavaFloatArray autoPos(env, jpositions, count); |
| 344 | const float* posValues = autoPos.ptr(); |
| 345 | pos = (SkScalar*)storage.get(); |
| 346 | for (size_t i = 0; i < count; i++) { |
| 347 | pos[i] = SkFloatToScalar(posValues[i]); |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | SkShader* shader = SkGradientShader::CreateSweep(SkFloatToScalar(x), |
| 352 | SkFloatToScalar(y), |
| 353 | reinterpret_cast<const SkColor*>(colors), |
| 354 | pos, count); |
| 355 | env->ReleaseIntArrayElements(jcolors, const_cast<jint*>(colors), |
| 356 | JNI_ABORT); |
| 357 | ThrowIAE_IfNull(env, shader); |
| 358 | return shader; |
| 359 | } |
| 360 | |
| 361 | static SkShader* SweepGradient_create2(JNIEnv* env, jobject, float x, float y, |
Romain Guy | ddb80be | 2010-09-20 19:04:33 -0700 | [diff] [blame] | 362 | int color0, int color1) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 363 | SkColor colors[2]; |
| 364 | colors[0] = color0; |
| 365 | colors[1] = color1; |
| 366 | SkShader* s = SkGradientShader::CreateSweep(SkFloatToScalar(x), SkFloatToScalar(y), |
| 367 | colors, NULL, 2); |
| 368 | ThrowIAE_IfNull(env, s); |
| 369 | return s; |
| 370 | } |
| 371 | |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 372 | static SkiaShader* SweepGradient_postCreate1(JNIEnv* env, jobject o, SkShader* shader, |
| 373 | float x, float y, jintArray colorArray, jfloatArray posArray) { |
| 374 | #ifdef USE_OPENGL_RENDERER |
| 375 | size_t count = env->GetArrayLength(colorArray); |
| 376 | const jint* colorValues = env->GetIntArrayElements(colorArray, NULL); |
| 377 | |
| 378 | jfloat* storedPositions = new jfloat[count]; |
| 379 | uint32_t* storedColors = new uint32_t[count]; |
| 380 | for (size_t i = 0; i < count; i++) { |
| 381 | storedColors[i] = static_cast<uint32_t>(colorValues[i]); |
| 382 | } |
| 383 | |
| 384 | if (posArray) { |
| 385 | AutoJavaFloatArray autoPos(env, posArray, count); |
| 386 | const float* posValues = autoPos.ptr(); |
| 387 | for (size_t i = 0; i < count; i++) { |
| 388 | storedPositions[i] = posValues[i]; |
| 389 | } |
| 390 | } else { |
| 391 | storedPositions[0] = 0.0f; |
| 392 | storedPositions[1] = 1.0f; |
| 393 | } |
| 394 | |
| 395 | SkiaShader* skiaShader = new SkiaSweepGradientShader(x, y, storedColors, storedPositions, count, |
| 396 | shader, NULL, (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); |
| 397 | |
| 398 | env->ReleaseIntArrayElements(colorArray, const_cast<jint*>(colorValues), JNI_ABORT); |
| 399 | return skiaShader; |
| 400 | #else |
| 401 | return NULL; |
| 402 | #endif |
| 403 | } |
| 404 | |
| 405 | static SkiaShader* SweepGradient_postCreate2(JNIEnv* env, jobject o, SkShader* shader, |
| 406 | float x, float y, int color0, int color1) { |
| 407 | #ifdef USE_OPENGL_RENDERER |
| 408 | float* storedPositions = new float[2]; |
| 409 | storedPositions[0] = 0.0f; |
| 410 | storedPositions[1] = 1.0f; |
| 411 | |
| 412 | uint32_t* storedColors = new uint32_t[2]; |
| 413 | storedColors[0] = static_cast<uint32_t>(color0); |
| 414 | storedColors[1] = static_cast<uint32_t>(color1); |
| 415 | |
| 416 | SkiaShader* skiaShader = new SkiaSweepGradientShader(x, y, storedColors, storedPositions, 2, |
| 417 | shader, NULL, (shader->getFlags() & SkShader::kOpaqueAlpha_Flag) == 0); |
| 418 | |
| 419 | return skiaShader; |
| 420 | #else |
| 421 | return NULL; |
| 422 | #endif |
| 423 | } |
| 424 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 425 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 426 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 427 | static SkShader* ComposeShader_create1(JNIEnv* env, jobject o, |
| 428 | SkShader* shaderA, SkShader* shaderB, SkXfermode* mode) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 429 | { |
| 430 | return new SkComposeShader(shaderA, shaderB, mode); |
| 431 | } |
| 432 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 433 | static SkShader* ComposeShader_create2(JNIEnv* env, jobject o, |
| 434 | SkShader* shaderA, SkShader* shaderB, SkPorterDuff::Mode porterDuffMode) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 435 | { |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 436 | SkAutoUnref au(SkPorterDuff::CreateXfermode(porterDuffMode)); |
| 437 | SkXfermode* mode = (SkXfermode*) au.get(); |
| 438 | return new SkComposeShader(shaderA, shaderB, mode); |
| 439 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 440 | |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 441 | static SkiaShader* ComposeShader_postCreate2(JNIEnv* env, jobject o, SkShader* shader, |
| 442 | SkiaShader* shaderA, SkiaShader* shaderB, SkPorterDuff::Mode porterDuffMode) { |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 443 | #ifdef USE_OPENGL_RENDERER |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 444 | SkXfermode::Mode mode = SkPorterDuff::ToXfermodeMode(porterDuffMode); |
| 445 | return new SkiaComposeShader(shaderA, shaderB, mode, shader); |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 446 | #else |
| 447 | return NULL; |
| 448 | #endif |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | static SkiaShader* ComposeShader_postCreate1(JNIEnv* env, jobject o, SkShader* shader, |
| 452 | SkiaShader* shaderA, SkiaShader* shaderB, SkXfermode* mode) { |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 453 | #ifdef USE_OPENGL_RENDERER |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 454 | SkXfermode::Mode skiaMode; |
| 455 | if (!SkXfermode::IsMode(mode, &skiaMode)) { |
Romain Guy | 48daa54 | 2010-08-10 19:21:34 -0700 | [diff] [blame] | 456 | // TODO: Support other modes |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 457 | skiaMode = SkXfermode::kSrcOver_Mode; |
| 458 | } |
| 459 | return new SkiaComposeShader(shaderA, shaderB, skiaMode, shader); |
Romain Guy | 1639351 | 2010-08-08 00:14:31 -0700 | [diff] [blame] | 460 | #else |
| 461 | return NULL; |
| 462 | #endif |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | /////////////////////////////////////////////////////////////////////////////////////////////// |
| 466 | |
| 467 | static JNINativeMethod gColorMethods[] = { |
| 468 | { "nativeRGBToHSV", "(III[F)V", (void*)Color_RGBToHSV }, |
| 469 | { "nativeHSVToColor", "(I[F)I", (void*)Color_HSVToColor } |
| 470 | }; |
| 471 | |
| 472 | static JNINativeMethod gShaderMethods[] = { |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 473 | { "nativeDestructor", "(II)V", (void*)Shader_destructor }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 474 | { "nativeGetLocalMatrix", "(II)Z", (void*)Shader_getLocalMatrix }, |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 475 | { "nativeSetLocalMatrix", "(III)V", (void*)Shader_setLocalMatrix } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 476 | }; |
| 477 | |
| 478 | static JNINativeMethod gBitmapShaderMethods[] = { |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 479 | { "nativeCreate", "(III)I", (void*)BitmapShader_constructor }, |
| 480 | { "nativePostCreate", "(IIII)I", (void*)BitmapShader_postConstructor } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 481 | }; |
| 482 | |
| 483 | static JNINativeMethod gLinearGradientMethods[] = { |
Romain Guy | 06f96e2 | 2010-07-30 19:18:16 -0700 | [diff] [blame] | 484 | { "nativeCreate1", "(FFFF[I[FI)I", (void*)LinearGradient_create1 }, |
| 485 | { "nativeCreate2", "(FFFFIII)I", (void*)LinearGradient_create2 }, |
| 486 | { "nativePostCreate1", "(IFFFF[I[FI)I", (void*)LinearGradient_postCreate1 }, |
| 487 | { "nativePostCreate2", "(IFFFFIII)I", (void*)LinearGradient_postCreate2 } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 488 | }; |
| 489 | |
| 490 | static JNINativeMethod gRadialGradientMethods[] = { |
Romain Guy | ddb80be | 2010-09-20 19:04:33 -0700 | [diff] [blame] | 491 | { "nativeCreate1", "(FFF[I[FI)I", (void*)RadialGradient_create1 }, |
| 492 | { "nativeCreate2", "(FFFIII)I", (void*)RadialGradient_create2 }, |
| 493 | { "nativePostCreate1", "(IFFF[I[FI)I", (void*)RadialGradient_postCreate1 }, |
| 494 | { "nativePostCreate2", "(IFFFIII)I", (void*)RadialGradient_postCreate2 } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 495 | }; |
| 496 | |
| 497 | static JNINativeMethod gSweepGradientMethods[] = { |
Romain Guy | ddb80be | 2010-09-20 19:04:33 -0700 | [diff] [blame] | 498 | { "nativeCreate1", "(FF[I[F)I", (void*)SweepGradient_create1 }, |
| 499 | { "nativeCreate2", "(FFII)I", (void*)SweepGradient_create2 }, |
Romain Guy | ee916f1 | 2010-09-20 17:53:08 -0700 | [diff] [blame] | 500 | { "nativePostCreate1", "(IFF[I[F)I", (void*)SweepGradient_postCreate1 }, |
| 501 | { "nativePostCreate2", "(IFFII)I", (void*)SweepGradient_postCreate2 } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 502 | }; |
| 503 | |
| 504 | static JNINativeMethod gComposeShaderMethods[] = { |
Romain Guy | ddb80be | 2010-09-20 19:04:33 -0700 | [diff] [blame] | 505 | { "nativeCreate1", "(III)I", (void*)ComposeShader_create1 }, |
| 506 | { "nativeCreate2", "(III)I", (void*)ComposeShader_create2 }, |
| 507 | { "nativePostCreate1", "(IIII)I", (void*)ComposeShader_postCreate1 }, |
| 508 | { "nativePostCreate2", "(IIII)I", (void*)ComposeShader_postCreate2 } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 509 | }; |
| 510 | |
| 511 | #include <android_runtime/AndroidRuntime.h> |
| 512 | |
| 513 | #define REG(env, name, array) \ |
| 514 | result = android::AndroidRuntime::registerNativeMethods(env, name, array, SK_ARRAY_COUNT(array)); \ |
| 515 | if (result < 0) return result |
| 516 | |
| 517 | int register_android_graphics_Shader(JNIEnv* env); |
| 518 | int register_android_graphics_Shader(JNIEnv* env) |
| 519 | { |
| 520 | int result; |
| 521 | |
| 522 | REG(env, "android/graphics/Color", gColorMethods); |
| 523 | REG(env, "android/graphics/Shader", gShaderMethods); |
| 524 | REG(env, "android/graphics/BitmapShader", gBitmapShaderMethods); |
| 525 | REG(env, "android/graphics/LinearGradient", gLinearGradientMethods); |
| 526 | REG(env, "android/graphics/RadialGradient", gRadialGradientMethods); |
| 527 | REG(env, "android/graphics/SweepGradient", gSweepGradientMethods); |
| 528 | REG(env, "android/graphics/ComposeShader", gComposeShaderMethods); |
| 529 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 530 | return result; |
| 531 | } |
| 532 | |