c5882c4eb6
This includes AndroidRuntime and core_jni_helper.h Bug: 137655431 Test: CtsUiRenderingTestCases Change-Id: If3d26f41eaf4981505ee47634097f3645fd563fd
397 lines
16 KiB
C++
397 lines
16 KiB
C++
/* libs/android_runtime/android/graphics/Matrix.cpp
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#include "GraphicsJNI.h"
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#include "Matrix.h"
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#include "SkMatrix.h"
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namespace android {
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static_assert(sizeof(SkMatrix) == 40, "Unexpected sizeof(SkMatrix), "
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"update size in Matrix.java#NATIVE_ALLOCATION_SIZE and here");
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static_assert(SK_SCALAR_IS_FLOAT, "SK_SCALAR_IS_FLOAT is false, "
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"only float scalar is supported");
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class SkMatrixGlue {
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public:
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// ---------------- Regular JNI -----------------------------
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static void finalizer(jlong objHandle) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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delete obj;
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}
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static jlong getNativeFinalizer(JNIEnv* env, jobject clazz) {
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return static_cast<jlong>(reinterpret_cast<uintptr_t>(&finalizer));
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}
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static jlong create(JNIEnv* env, jobject clazz, jlong srcHandle) {
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const SkMatrix* src = reinterpret_cast<SkMatrix*>(srcHandle);
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SkMatrix* obj = new SkMatrix();
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if (src)
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*obj = *src;
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else
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obj->reset();
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return reinterpret_cast<jlong>(obj);
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}
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// ---------------- @FastNative -----------------------------
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static void mapPoints(JNIEnv* env, jobject clazz, jlong matrixHandle,
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jfloatArray dst, jint dstIndex, jfloatArray src, jint srcIndex,
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jint ptCount, jboolean isPts) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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SkASSERT(ptCount >= 0);
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AutoJavaFloatArray autoSrc(env, src, srcIndex + (ptCount << 1),
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kRO_JNIAccess);
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AutoJavaFloatArray autoDst(env, dst, dstIndex + (ptCount << 1),
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kRW_JNIAccess);
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float* srcArray = autoSrc.ptr() + srcIndex;
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float* dstArray = autoDst.ptr() + dstIndex;
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if (isPts)
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matrix->mapPoints((SkPoint*) dstArray, (const SkPoint*) srcArray,
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ptCount);
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else
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matrix->mapVectors((SkVector*) dstArray, (const SkVector*) srcArray,
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ptCount);
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}
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static jboolean mapRect__RectFRectF(JNIEnv* env, jobject clazz,
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jlong matrixHandle, jobjectArray dst, jobject src) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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SkRect dst_, src_;
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GraphicsJNI::jrectf_to_rect(env, src, &src_);
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jboolean rectStaysRect = matrix->mapRect(&dst_, src_);
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GraphicsJNI::rect_to_jrectf(dst_, env, dst);
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return rectStaysRect ? JNI_TRUE : JNI_FALSE;
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}
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static jboolean setRectToRect(JNIEnv* env, jobject clazz,
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jlong matrixHandle, jobject src, jobject dst, jint stfHandle) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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SkMatrix::ScaleToFit stf = static_cast<SkMatrix::ScaleToFit>(stfHandle);
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SkRect src_;
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GraphicsJNI::jrectf_to_rect(env, src, &src_);
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SkRect dst_;
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GraphicsJNI::jrectf_to_rect(env, dst, &dst_);
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return matrix->setRectToRect(src_, dst_, stf) ? JNI_TRUE : JNI_FALSE;
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}
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static jboolean setPolyToPoly(JNIEnv* env, jobject clazz,
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jlong matrixHandle, jfloatArray jsrc, jint srcIndex,
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jfloatArray jdst, jint dstIndex, jint ptCount) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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SkASSERT(srcIndex >= 0);
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SkASSERT(dstIndex >= 0);
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SkASSERT((unsigned )ptCount <= 4);
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AutoJavaFloatArray autoSrc(env, jsrc, srcIndex + (ptCount << 1),
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kRO_JNIAccess);
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AutoJavaFloatArray autoDst(env, jdst, dstIndex + (ptCount << 1),
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kRW_JNIAccess);
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float* src = autoSrc.ptr() + srcIndex;
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float* dst = autoDst.ptr() + dstIndex;
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bool result;
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result = matrix->setPolyToPoly((const SkPoint*) src,
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(const SkPoint*) dst, ptCount);
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return result ? JNI_TRUE : JNI_FALSE;
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}
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static void getValues(JNIEnv* env, jobject clazz, jlong matrixHandle,
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jfloatArray values) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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AutoJavaFloatArray autoValues(env, values, 9, kRW_JNIAccess);
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float* dst = autoValues.ptr();
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for (int i = 0; i < 9; i++) {
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dst[i] = matrix->get(i);
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}
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}
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static void setValues(JNIEnv* env, jobject clazz, jlong matrixHandle,
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jfloatArray values) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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AutoJavaFloatArray autoValues(env, values, 9, kRO_JNIAccess);
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const float* src = autoValues.ptr();
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for (int i = 0; i < 9; i++) {
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matrix->set(i, src[i]);
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}
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}
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// ---------------- @CriticalNative -----------------------------
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static jboolean isIdentity(CRITICAL_JNI_PARAMS_COMMA jlong objHandle) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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return obj->isIdentity() ? JNI_TRUE : JNI_FALSE;
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}
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static jboolean isAffine(CRITICAL_JNI_PARAMS_COMMA jlong objHandle) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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return obj->asAffine(NULL) ? JNI_TRUE : JNI_FALSE;
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}
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static jboolean rectStaysRect(CRITICAL_JNI_PARAMS_COMMA jlong objHandle) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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return obj->rectStaysRect() ? JNI_TRUE : JNI_FALSE;
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}
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static void reset(CRITICAL_JNI_PARAMS_COMMA jlong objHandle) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->reset();
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}
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static void set(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jlong otherHandle) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
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*obj = *other;
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}
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static void setTranslate(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat dx, jfloat dy) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setTranslate(dx, dy);
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}
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static void setScale__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy, jfloat px,
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jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setScale(sx, sy, px, py);
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}
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static void setScale__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setScale(sx, sy);
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}
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static void setRotate__FFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees, jfloat px,
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jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setRotate(degrees, px, py);
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}
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static void setRotate__F(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setRotate(degrees);
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}
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static void setSinCos__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sinValue,
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jfloat cosValue, jfloat px, jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setSinCos(sinValue, cosValue, px, py);
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}
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static void setSinCos__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sinValue,
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jfloat cosValue) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setSinCos(sinValue, cosValue);
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}
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static void setSkew__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky, jfloat px,
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jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setSkew(kx, ky, px, py);
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}
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static void setSkew__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->setSkew(kx, ky);
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}
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static void setConcat(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jlong aHandle, jlong bHandle) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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SkMatrix* a = reinterpret_cast<SkMatrix*>(aHandle);
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SkMatrix* b = reinterpret_cast<SkMatrix*>(bHandle);
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obj->setConcat(*a, *b);
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}
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static void preTranslate(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat dx, jfloat dy) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->preTranslate(dx, dy);
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}
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static void preScale__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy, jfloat px,
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jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->preScale(sx, sy, px, py);
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}
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static void preScale__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->preScale(sx, sy);
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}
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static void preRotate__FFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees, jfloat px,
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jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->preRotate(degrees, px, py);
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}
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static void preRotate__F(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->preRotate(degrees);
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}
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static void preSkew__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky, jfloat px,
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jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->preSkew(kx, ky, px, py);
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}
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static void preSkew__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->preSkew(kx, ky);
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}
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static void preConcat(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jlong otherHandle) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
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obj->preConcat(*other);
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}
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static void postTranslate(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat dx, jfloat dy) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->postTranslate(dx, dy);
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}
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static void postScale__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy,
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jfloat px, jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->postScale(sx, sy, px, py);
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}
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static void postScale__FF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat sx, jfloat sy) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->postScale(sx, sy);
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}
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static void postRotate__FFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees, jfloat px,
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jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->postRotate(degrees, px, py);
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}
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static void postRotate__F(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat degrees) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->postRotate(degrees);
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}
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static void postSkew__FFFF(CRITICAL_JNI_PARAMS_COMMA jlong objHandle, jfloat kx, jfloat ky, jfloat px,
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jfloat py) {
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SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
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obj->postSkew(kx, ky, px, py);
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}
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static void postSkew__FF(CRITICAL_JNI_PARAMS_COMMA jlong matrixHandle, jfloat kx, jfloat ky) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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matrix->postSkew(kx, ky);
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}
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static void postConcat(CRITICAL_JNI_PARAMS_COMMA jlong matrixHandle, jlong otherHandle) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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SkMatrix* other = reinterpret_cast<SkMatrix*>(otherHandle);
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matrix->postConcat(*other);
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}
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static jboolean invert(CRITICAL_JNI_PARAMS_COMMA jlong matrixHandle, jlong inverseHandle) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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SkMatrix* inverse = reinterpret_cast<SkMatrix*>(inverseHandle);
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return matrix->invert(inverse);
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}
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static jfloat mapRadius(CRITICAL_JNI_PARAMS_COMMA jlong matrixHandle, jfloat radius) {
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SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
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float result;
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result = SkScalarToFloat(matrix->mapRadius(radius));
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return static_cast<jfloat>(result);
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}
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static jboolean equals(CRITICAL_JNI_PARAMS_COMMA jlong aHandle, jlong bHandle) {
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const SkMatrix* a = reinterpret_cast<SkMatrix*>(aHandle);
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const SkMatrix* b = reinterpret_cast<SkMatrix*>(bHandle);
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return *a == *b;
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}
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};
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static const JNINativeMethod methods[] = {
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{"nGetNativeFinalizer", "()J", (void*) SkMatrixGlue::getNativeFinalizer},
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{"nCreate","(J)J", (void*) SkMatrixGlue::create},
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// ------- @FastNative below here ---------------
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{"nMapPoints","(J[FI[FIIZ)V", (void*) SkMatrixGlue::mapPoints},
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{"nMapRect","(JLandroid/graphics/RectF;Landroid/graphics/RectF;)Z",
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(void*) SkMatrixGlue::mapRect__RectFRectF},
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{"nSetRectToRect","(JLandroid/graphics/RectF;Landroid/graphics/RectF;I)Z",
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(void*) SkMatrixGlue::setRectToRect},
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{"nSetPolyToPoly","(J[FI[FII)Z", (void*) SkMatrixGlue::setPolyToPoly},
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{"nGetValues","(J[F)V", (void*) SkMatrixGlue::getValues},
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{"nSetValues","(J[F)V", (void*) SkMatrixGlue::setValues},
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// ------- @CriticalNative below here ---------------
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{"nIsIdentity","(J)Z", (void*) SkMatrixGlue::isIdentity},
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{"nIsAffine","(J)Z", (void*) SkMatrixGlue::isAffine},
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{"nRectStaysRect","(J)Z", (void*) SkMatrixGlue::rectStaysRect},
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{"nReset","(J)V", (void*) SkMatrixGlue::reset},
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{"nSet","(JJ)V", (void*) SkMatrixGlue::set},
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{"nSetTranslate","(JFF)V", (void*) SkMatrixGlue::setTranslate},
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{"nSetScale","(JFFFF)V", (void*) SkMatrixGlue::setScale__FFFF},
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{"nSetScale","(JFF)V", (void*) SkMatrixGlue::setScale__FF},
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{"nSetRotate","(JFFF)V", (void*) SkMatrixGlue::setRotate__FFF},
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{"nSetRotate","(JF)V", (void*) SkMatrixGlue::setRotate__F},
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{"nSetSinCos","(JFFFF)V", (void*) SkMatrixGlue::setSinCos__FFFF},
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{"nSetSinCos","(JFF)V", (void*) SkMatrixGlue::setSinCos__FF},
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{"nSetSkew","(JFFFF)V", (void*) SkMatrixGlue::setSkew__FFFF},
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{"nSetSkew","(JFF)V", (void*) SkMatrixGlue::setSkew__FF},
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{"nSetConcat","(JJJ)V", (void*) SkMatrixGlue::setConcat},
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{"nPreTranslate","(JFF)V", (void*) SkMatrixGlue::preTranslate},
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{"nPreScale","(JFFFF)V", (void*) SkMatrixGlue::preScale__FFFF},
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{"nPreScale","(JFF)V", (void*) SkMatrixGlue::preScale__FF},
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{"nPreRotate","(JFFF)V", (void*) SkMatrixGlue::preRotate__FFF},
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{"nPreRotate","(JF)V", (void*) SkMatrixGlue::preRotate__F},
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{"nPreSkew","(JFFFF)V", (void*) SkMatrixGlue::preSkew__FFFF},
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{"nPreSkew","(JFF)V", (void*) SkMatrixGlue::preSkew__FF},
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{"nPreConcat","(JJ)V", (void*) SkMatrixGlue::preConcat},
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{"nPostTranslate","(JFF)V", (void*) SkMatrixGlue::postTranslate},
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{"nPostScale","(JFFFF)V", (void*) SkMatrixGlue::postScale__FFFF},
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{"nPostScale","(JFF)V", (void*) SkMatrixGlue::postScale__FF},
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{"nPostRotate","(JFFF)V", (void*) SkMatrixGlue::postRotate__FFF},
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{"nPostRotate","(JF)V", (void*) SkMatrixGlue::postRotate__F},
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{"nPostSkew","(JFFFF)V", (void*) SkMatrixGlue::postSkew__FFFF},
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{"nPostSkew","(JFF)V", (void*) SkMatrixGlue::postSkew__FF},
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{"nPostConcat","(JJ)V", (void*) SkMatrixGlue::postConcat},
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{"nInvert","(JJ)Z", (void*) SkMatrixGlue::invert},
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{"nMapRadius","(JF)F", (void*) SkMatrixGlue::mapRadius},
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{"nEquals", "(JJ)Z", (void*) SkMatrixGlue::equals}
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};
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static jfieldID sNativeInstanceField;
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int register_android_graphics_Matrix(JNIEnv* env) {
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int result = RegisterMethodsOrDie(env, "android/graphics/Matrix", methods, NELEM(methods));
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jclass clazz = FindClassOrDie(env, "android/graphics/Matrix");
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sNativeInstanceField = GetFieldIDOrDie(env, clazz, "native_instance", "J");
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return result;
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}
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SkMatrix* android_graphics_Matrix_getSkMatrix(JNIEnv* env, jobject matrixObj) {
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return reinterpret_cast<SkMatrix*>(env->GetLongField(matrixObj, sNativeInstanceField));
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}
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}
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