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api-impl: misc additions for Oeffi

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This commit is contained in:
Julian Winkler
2024-11-22 18:02:54 +01:00
committed by Mis012
parent 7626992241
commit f53ad02e6f
32 changed files with 265 additions and 15 deletions
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13
src/api-impl-jni/graphics/android_graphics_Matrix.c
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@@ -233,3 +233,16 @@ JNIEXPORT jboolean JNICALL Java_android_graphics_Matrix_native_1preTranslate(JNI
graphene_matrix_multiply(&translation, matrix, matrix);
return true;
}
JNIEXPORT jboolean JNICALL Java_android_graphics_Matrix_native_1preRotate__JFFF(JNIEnv *env, jclass class, jlong matrix_ptr, jfloat degrees, jfloat px, jfloat py)
{
graphene_matrix_t *matrix = (graphene_matrix_t *)_PTR(matrix_ptr);
graphene_matrix_t rotation;
graphene_vec3_t rotation_axis;
graphene_vec3_init(&rotation_axis, 0, 0, 1);
graphene_matrix_init_rotate(&rotation, degrees, &rotation_axis);
graphene_matrix_translate(&rotation, &GRAPHENE_POINT3D_INIT(-px, -py, 0));
graphene_matrix_multiply(&rotation, matrix, matrix);
graphene_matrix_translate(matrix, &GRAPHENE_POINT3D_INIT(px, py, 0));
return true;
}