1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366
|
/* libs/android_runtime/android/graphics/Matrix.cpp
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include "GraphicsJNI.h"
#include "Matrix.h"
#include "SkMatrix.h"
#include "core_jni_helpers.h"
#include <Caches.h>
#include <jni.h>
namespace android {
class SkMatrixGlue {
public:
static void finalizer(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
delete obj;
}
static jlong create(JNIEnv* env, jobject clazz, jlong srcHandle) {
const SkMatrix* src = reinterpret_cast<SkMatrix*>(srcHandle);
SkMatrix* obj = new SkMatrix();
if (src)
*obj = *src;
else
obj->reset();
return reinterpret_cast<jlong>(obj);
}
static jboolean isIdentity(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
return obj->isIdentity() ? JNI_TRUE : JNI_FALSE;
}
static jboolean isAffine(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
return obj->asAffine(NULL) ? JNI_TRUE : JNI_FALSE;
}
static jboolean rectStaysRect(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
return obj->rectStaysRect() ? JNI_TRUE : JNI_FALSE;
}
static void reset(JNIEnv* env, jobject clazz, jlong objHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->reset();
}
static void set(JNIEnv* env, jobject clazz, jlong objHandle, jlong otherHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
*obj = *other;
}
static void setTranslate(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setTranslate(dx, dy);
}
static void setScale__FFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setScale(sx, sy, px, py);
}
static void setScale__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setScale(sx, sy);
}
static void setRotate__FFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setRotate(degrees, px, py);
}
static void setRotate__F(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setRotate(degrees);
}
static void setSinCos__FFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sinValue, jfloat cosValue, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setSinCos(sinValue, cosValue, px, py);
}
static void setSinCos__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sinValue, jfloat cosValue) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setSinCos(sinValue, cosValue);
}
static void setSkew__FFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat kx, jfloat ky, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setSkew(kx, ky, px, py);
}
static void setSkew__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat kx, jfloat ky) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->setSkew(kx, ky);
}
static void setConcat(JNIEnv* env, jobject clazz, jlong objHandle, jlong aHandle, jlong bHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
SkMatrix* a = reinterpret_cast<SkMatrix*>(aHandle);
SkMatrix* b = reinterpret_cast<SkMatrix*>(bHandle);
obj->setConcat(*a, *b);
}
static void preTranslate(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preTranslate(dx, dy);
}
static void preScale__FFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preScale(sx, sy, px, py);
}
static void preScale__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preScale(sx, sy);
}
static void preRotate__FFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preRotate(degrees, px, py);
}
static void preRotate__F(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preRotate(degrees);
}
static void preSkew__FFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat kx, jfloat ky, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preSkew(kx, ky, px, py);
}
static void preSkew__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat kx, jfloat ky) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->preSkew(kx, ky);
}
static void preConcat(JNIEnv* env, jobject clazz, jlong objHandle, jlong otherHandle) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
obj->preConcat(*other);
}
static void postTranslate(JNIEnv* env, jobject clazz, jlong objHandle, jfloat dx, jfloat dy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postTranslate(dx, dy);
}
static void postScale__FFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postScale(sx, sy, px, py);
}
static void postScale__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat sx, jfloat sy) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postScale(sx, sy);
}
static void postRotate__FFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postRotate(degrees, px, py);
}
static void postRotate__F(JNIEnv* env, jobject clazz, jlong objHandle, jfloat degrees) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postRotate(degrees);
}
static void postSkew__FFFF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat kx, jfloat ky, jfloat px, jfloat py) {
SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
obj->postSkew(kx, ky, px, py);
}
static void postSkew__FF(JNIEnv* env, jobject clazz, jlong matrixHandle, jfloat kx, jfloat ky) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
matrix->postSkew(kx, ky);
}
static void postConcat(JNIEnv* env, jobject clazz, jlong matrixHandle, jlong otherHandle) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
matrix->postConcat(*other);
}
static jboolean setRectToRect(JNIEnv* env, jobject clazz, jlong matrixHandle, jobject src, jobject dst, jint stfHandle) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkMatrix::ScaleToFit stf = static_cast<SkMatrix::ScaleToFit>(stfHandle);
SkRect src_;
GraphicsJNI::jrectf_to_rect(env, src, &src_);
SkRect dst_;
GraphicsJNI::jrectf_to_rect(env, dst, &dst_);
return matrix->setRectToRect(src_, dst_, stf) ? JNI_TRUE : JNI_FALSE;
}
static jboolean setPolyToPoly(JNIEnv* env, jobject clazz, jlong matrixHandle,
jfloatArray jsrc, jint srcIndex,
jfloatArray jdst, jint dstIndex, jint ptCount) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkASSERT(srcIndex >= 0);
SkASSERT(dstIndex >= 0);
SkASSERT((unsigned)ptCount <= 4);
AutoJavaFloatArray autoSrc(env, jsrc, srcIndex + (ptCount << 1), kRO_JNIAccess);
AutoJavaFloatArray autoDst(env, jdst, dstIndex + (ptCount << 1), kRW_JNIAccess);
float* src = autoSrc.ptr() + srcIndex;
float* dst = autoDst.ptr() + dstIndex;
bool result;
#ifdef SK_SCALAR_IS_FLOAT
result = matrix->setPolyToPoly((const SkPoint*)src, (const SkPoint*)dst,
ptCount);
#else
SkASSERT(false);
#endif
return result ? JNI_TRUE : JNI_FALSE;
}
static jboolean invert(JNIEnv* env, jobject clazz, jlong matrixHandle, jlong inverseHandle) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkMatrix* inverse = reinterpret_cast<SkMatrix*>(inverseHandle);
return matrix->invert(inverse);
}
static void mapPoints(JNIEnv* env, jobject clazz, jlong matrixHandle,
jfloatArray dst, jint dstIndex,
jfloatArray src, jint srcIndex,
jint ptCount, jboolean isPts) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkASSERT(ptCount >= 0);
AutoJavaFloatArray autoSrc(env, src, srcIndex + (ptCount << 1), kRO_JNIAccess);
AutoJavaFloatArray autoDst(env, dst, dstIndex + (ptCount << 1), kRW_JNIAccess);
float* srcArray = autoSrc.ptr() + srcIndex;
float* dstArray = autoDst.ptr() + dstIndex;
#ifdef SK_SCALAR_IS_FLOAT
if (isPts)
matrix->mapPoints((SkPoint*)dstArray, (const SkPoint*)srcArray,
ptCount);
else
matrix->mapVectors((SkVector*)dstArray, (const SkVector*)srcArray,
ptCount);
#else
SkASSERT(false);
#endif
}
static jboolean mapRect__RectFRectF(JNIEnv* env, jobject clazz, jlong matrixHandle, jobjectArray dst, jobject src) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
SkRect dst_, src_;
GraphicsJNI::jrectf_to_rect(env, src, &src_);
jboolean rectStaysRect = matrix->mapRect(&dst_, src_);
GraphicsJNI::rect_to_jrectf(dst_, env, dst);
return rectStaysRect ? JNI_TRUE : JNI_FALSE;
}
static jfloat mapRadius(JNIEnv* env, jobject clazz, jlong matrixHandle, jfloat radius) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
float result;
result = SkScalarToFloat(matrix->mapRadius(radius));
return static_cast<jfloat>(result);
}
static void getValues(JNIEnv* env, jobject clazz, jlong matrixHandle, jfloatArray values) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
AutoJavaFloatArray autoValues(env, values, 9, kRW_JNIAccess);
float* dst = autoValues.ptr();
#ifdef SK_SCALAR_IS_FLOAT
for (int i = 0; i < 9; i++) {
dst[i] = matrix->get(i);
}
#else
SkASSERT(false);
#endif
}
static void setValues(JNIEnv* env, jobject clazz, jlong matrixHandle, jfloatArray values) {
SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
AutoJavaFloatArray autoValues(env, values, 9, kRO_JNIAccess);
const float* src = autoValues.ptr();
#ifdef SK_SCALAR_IS_FLOAT
for (int i = 0; i < 9; i++) {
matrix->set(i, src[i]);
}
#else
SkASSERT(false);
#endif
}
static jboolean equals(JNIEnv* env, jobject clazz, jlong aHandle, jlong bHandle) {
const SkMatrix* a = reinterpret_cast<SkMatrix*>(aHandle);
const SkMatrix* b = reinterpret_cast<SkMatrix*>(bHandle);
return *a == *b;
}
};
static const JNINativeMethod methods[] = {
{"finalizer", "(J)V", (void*) SkMatrixGlue::finalizer},
{"native_create","(J)J", (void*) SkMatrixGlue::create},
{"native_isIdentity","!(J)Z", (void*) SkMatrixGlue::isIdentity},
{"native_isAffine","!(J)Z", (void*) SkMatrixGlue::isAffine},
{"native_rectStaysRect","!(J)Z", (void*) SkMatrixGlue::rectStaysRect},
{"native_reset","!(J)V", (void*) SkMatrixGlue::reset},
{"native_set","!(JJ)V", (void*) SkMatrixGlue::set},
{"native_setTranslate","!(JFF)V", (void*) SkMatrixGlue::setTranslate},
{"native_setScale","!(JFFFF)V", (void*) SkMatrixGlue::setScale__FFFF},
{"native_setScale","!(JFF)V", (void*) SkMatrixGlue::setScale__FF},
{"native_setRotate","!(JFFF)V", (void*) SkMatrixGlue::setRotate__FFF},
{"native_setRotate","!(JF)V", (void*) SkMatrixGlue::setRotate__F},
{"native_setSinCos","!(JFFFF)V", (void*) SkMatrixGlue::setSinCos__FFFF},
{"native_setSinCos","!(JFF)V", (void*) SkMatrixGlue::setSinCos__FF},
{"native_setSkew","!(JFFFF)V", (void*) SkMatrixGlue::setSkew__FFFF},
{"native_setSkew","!(JFF)V", (void*) SkMatrixGlue::setSkew__FF},
{"native_setConcat","!(JJJ)V", (void*) SkMatrixGlue::setConcat},
{"native_preTranslate","!(JFF)V", (void*) SkMatrixGlue::preTranslate},
{"native_preScale","!(JFFFF)V", (void*) SkMatrixGlue::preScale__FFFF},
{"native_preScale","!(JFF)V", (void*) SkMatrixGlue::preScale__FF},
{"native_preRotate","!(JFFF)V", (void*) SkMatrixGlue::preRotate__FFF},
{"native_preRotate","!(JF)V", (void*) SkMatrixGlue::preRotate__F},
{"native_preSkew","!(JFFFF)V", (void*) SkMatrixGlue::preSkew__FFFF},
{"native_preSkew","!(JFF)V", (void*) SkMatrixGlue::preSkew__FF},
{"native_preConcat","!(JJ)V", (void*) SkMatrixGlue::preConcat},
{"native_postTranslate","!(JFF)V", (void*) SkMatrixGlue::postTranslate},
{"native_postScale","!(JFFFF)V", (void*) SkMatrixGlue::postScale__FFFF},
{"native_postScale","!(JFF)V", (void*) SkMatrixGlue::postScale__FF},
{"native_postRotate","!(JFFF)V", (void*) SkMatrixGlue::postRotate__FFF},
{"native_postRotate","!(JF)V", (void*) SkMatrixGlue::postRotate__F},
{"native_postSkew","!(JFFFF)V", (void*) SkMatrixGlue::postSkew__FFFF},
{"native_postSkew","!(JFF)V", (void*) SkMatrixGlue::postSkew__FF},
{"native_postConcat","!(JJ)V", (void*) SkMatrixGlue::postConcat},
{"native_setRectToRect","!(JLandroid/graphics/RectF;Landroid/graphics/RectF;I)Z", (void*) SkMatrixGlue::setRectToRect},
{"native_setPolyToPoly","!(J[FI[FII)Z", (void*) SkMatrixGlue::setPolyToPoly},
{"native_invert","!(JJ)Z", (void*) SkMatrixGlue::invert},
{"native_mapPoints","!(J[FI[FIIZ)V", (void*) SkMatrixGlue::mapPoints},
{"native_mapRect","!(JLandroid/graphics/RectF;Landroid/graphics/RectF;)Z", (void*) SkMatrixGlue::mapRect__RectFRectF},
{"native_mapRadius","!(JF)F", (void*) SkMatrixGlue::mapRadius},
{"native_getValues","!(J[F)V", (void*) SkMatrixGlue::getValues},
{"native_setValues","!(J[F)V", (void*) SkMatrixGlue::setValues},
{"native_equals", "!(JJ)Z", (void*) SkMatrixGlue::equals}
};
static jfieldID sNativeInstanceField;
int register_android_graphics_Matrix(JNIEnv* env) {
int result = RegisterMethodsOrDie(env, "android/graphics/Matrix", methods, NELEM(methods));
jclass clazz = FindClassOrDie(env, "android/graphics/Matrix");
sNativeInstanceField = GetFieldIDOrDie(env, clazz, "native_instance", "J");
return result;
}
SkMatrix* android_graphics_Matrix_getSkMatrix(JNIEnv* env, jobject matrixObj) {
return reinterpret_cast<SkMatrix*>(env->GetLongField(matrixObj, sNativeInstanceField));
}
}
|