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implement Bitmap.compress()

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This commit is contained in:
Julian Winkler
2025-02-10 18:04:19 +01:00
parent e9769c1587
commit f69cff7113
3 changed files with 38 additions and 0 deletions
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8
src/api-impl-jni/generated_headers/android_graphics_Bitmap.h
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@@ -79,6 +79,14 @@ JNIEXPORT void JNICALL Java_android_graphics_Bitmap_native_1get_1pixels
JNIEXPORT void JNICALL Java_android_graphics_Bitmap_native_1copy_1to_1buffer
(JNIEnv *, jclass, jlong, jobject, jint, jint);
/*
* Class: android_graphics_Bitmap
* Method: native_save_to_png
* Signature: (J)[B
*/
JNIEXPORT jbyteArray JNICALL Java_android_graphics_Bitmap_native_1save_1to_1png
(JNIEnv *, jclass, jlong);
#ifdef __cplusplus
}
#endif

12
src/api-impl-jni/graphics/android_graphics_Bitmap.c
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@@ -113,3 +113,15 @@ JNIEXPORT void JNICALL Java_android_graphics_Bitmap_native_1copy_1to_1buffer(JNI
release_nio_buffer(env, array_ref, array);
gdk_texture_downloader_free(downloader);
}
JNIEXPORT jbyteArray JNICALL Java_android_graphics_Bitmap_native_1save_1to_1png(JNIEnv *env, jclass class, jlong texture_ptr)
{
GdkTexture *texture = GDK_TEXTURE(_PTR(texture_ptr));
GBytes *bytes = gdk_texture_save_to_png_bytes(texture);
jbyteArray result = (*env)->NewByteArray(env, g_bytes_get_size(bytes));
gsize size;
gconstpointer data = g_bytes_get_data(bytes, &size);
(*env)->SetByteArrayRegion(env, result, 0, size, data);
g_bytes_unref(bytes);
return result;
}