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syntax = "proto2";
option go_package = "image";
package appengine;
message ImagesServiceError {
enum ErrorCode {
UNSPECIFIED_ERROR = 1;
BAD_TRANSFORM_DATA = 2;
NOT_IMAGE = 3;
BAD_IMAGE_DATA = 4;
IMAGE_TOO_LARGE = 5;
INVALID_BLOB_KEY = 6;
ACCESS_DENIED = 7;
OBJECT_NOT_FOUND = 8;
}
}
message ImagesServiceTransform {
enum Type {
RESIZE = 1;
ROTATE = 2;
HORIZONTAL_FLIP = 3;
VERTICAL_FLIP = 4;
CROP = 5;
IM_FEELING_LUCKY = 6;
}
}
message Transform {
optional int32 width = 1;
optional int32 height = 2;
optional bool crop_to_fit = 11 [default = false];
optional float crop_offset_x = 12 [default = 0.5];
optional float crop_offset_y = 13 [default = 0.5];
optional int32 rotate = 3 [default = 0];
optional bool horizontal_flip = 4 [default = false];
optional bool vertical_flip = 5 [default = false];
optional float crop_left_x = 6 [default = 0.0];
optional float crop_top_y = 7 [default = 0.0];
optional float crop_right_x = 8 [default = 1.0];
optional float crop_bottom_y = 9 [default = 1.0];
optional bool autolevels = 10 [default = false];
optional bool allow_stretch = 14 [default = false];
}
message ImageData {
required bytes content = 1 [ctype=CORD];
optional string blob_key = 2;
optional int32 width = 3;
optional int32 height = 4;
}
message InputSettings {
enum ORIENTATION_CORRECTION_TYPE {
UNCHANGED_ORIENTATION = 0;
CORRECT_ORIENTATION = 1;
}
optional ORIENTATION_CORRECTION_TYPE correct_exif_orientation = 1
[default=UNCHANGED_ORIENTATION];
optional bool parse_metadata = 2 [default=false];
optional int32 transparent_substitution_rgb = 3;
}
message OutputSettings {
enum MIME_TYPE {
PNG = 0;
JPEG = 1;
WEBP = 2;
}
optional MIME_TYPE mime_type = 1 [default=PNG];
optional int32 quality = 2;
}
message ImagesTransformRequest {
required ImageData image = 1;
repeated Transform transform = 2;
required OutputSettings output = 3;
optional InputSettings input = 4;
}
message ImagesTransformResponse {
required ImageData image = 1;
optional string source_metadata = 2;
}
message CompositeImageOptions {
required int32 source_index = 1;
required int32 x_offset = 2;
required int32 y_offset = 3;
required float opacity = 4;
enum ANCHOR {
TOP_LEFT = 0;
TOP = 1;
TOP_RIGHT = 2;
LEFT = 3;
CENTER = 4;
RIGHT = 5;
BOTTOM_LEFT = 6;
BOTTOM = 7;
BOTTOM_RIGHT = 8;
}
required ANCHOR anchor = 5;
}
message ImagesCanvas {
required int32 width = 1;
required int32 height = 2;
required OutputSettings output = 3;
optional int32 color = 4 [default=-1];
}
message ImagesCompositeRequest {
repeated ImageData image = 1;
repeated CompositeImageOptions options = 2;
required ImagesCanvas canvas = 3;
}
message ImagesCompositeResponse {
required ImageData image = 1;
}
message ImagesHistogramRequest {
required ImageData image = 1;
}
message ImagesHistogram {
repeated int32 red = 1;
repeated int32 green = 2;
repeated int32 blue = 3;
}
message ImagesHistogramResponse {
required ImagesHistogram histogram = 1;
}
message ImagesGetUrlBaseRequest {
required string blob_key = 1;
optional bool create_secure_url = 2 [default = false];
}
message ImagesGetUrlBaseResponse {
required string url = 1;
}
message ImagesDeleteUrlBaseRequest {
required string blob_key = 1;
}
message ImagesDeleteUrlBaseResponse {
}
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