/*
 * Copyright 2024 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.
 */

syntax = "proto2";

package android.coregraphics;

option java_package = "com.android.os.coregraphics";
option java_multiple_files = true;

// ColorSpace transfer
// The ColorSpace transfer corresponds to skcms types, so these are not exact
// transfers. E.g., SRGB is really a transfer curve that "looks" like an sRGB
// transfer, but may use different constants
enum ColorSpaceTransfer {
    COLOR_SPACE_TRANSFER_UNKNOWN = 0;
    COLOR_SPACE_TRANSFER_SRGBISH = 1;
    COLOR_SPACE_TRANSFER_PQISH = 2;
    COLOR_SPACE_TRANSFER_HLGISH = 3;
}

// Bitmap formats
// Deprecated formats like ARGB4444 map to UNKNOWN
enum BitmapFormat {
    BITMAP_FORMAT_UNKNOWN = 0;
    BITMAP_FORMAT_A_8 = 1;
    BITMAP_FORMAT_RGB_565 = 2;
    BITMAP_FORMAT_ARGB_8888 = 3;
    BITMAP_FORMAT_RGBA_F16 = 4;
    BITMAP_FORMAT_RGBA_1010102 = 5;
}