syntax = "proto2";
package org.webswing.directdraw.proto;

message WebImageProto {
    required uint32 width = 1;
    required uint32 height = 2;
    repeated DrawInstructionProto instructions = 3;
    repeated DrawConstantProto constants = 4;
    repeated FontFaceProto fontFaces = 5;
}

message DrawInstructionProto {
    required InstructionProto inst = 1;
    repeated uint32 args = 2;
    optional bytes webImage = 3;

    enum InstructionProto {
        DRAW = 0;
        FILL = 1;
        DRAW_IMAGE = 2;
        DRAW_WEBIMAGE = 3;
        DRAW_STRING = 4;
        COPY_AREA = 5;
        GRAPHICS_DISPOSE = 6;
        GRAPHICS_SWITCH = 7;
        GRAPHICS_CREATE = 8;
        TRANSFORM = 9;
        SET_PAINT = 10;
        SET_FONT = 11;
        SET_STROKE = 12;
        SET_COMPOSITE = 13;
        DRAW_GLYPH_LIST = 14;
    }
}

message DrawConstantProto {
    required uint32 id = 1;
    optional ColorProto color = 2;
    optional ImageProto image = 3;
    optional TransformProto transform = 4;
    optional string string = 5;
    optional PathProto path = 6;
    optional FontProto font = 7;
    optional LinearGradientProto linearGrad = 8;
    optional RadialGradientProto radialGrad = 9;
    optional PointsProto points = 10;
    optional RectangleProto rectangle = 11;
    optional EllipseProto ellipse = 12;
    optional RoundRectangleProto roundRectangle = 13;
    optional ArcProto arc = 14;
    optional StrokeProto stroke = 15;
    optional CompositeProto composite = 16;
    optional TextureProto texture = 17;
    optional GlyphProto glyph = 18;
    optional CombinedProto combined = 19;
}

message FontFaceProto {
    required string name = 1;
    required bytes font = 2;
    optional string style = 3;
}

message ColorProto {
    required fixed32 rgba = 1;
}

message ImageProto {
    required bytes data = 1;
}

message TransformProto {
    optional float m00 = 1 [default = 1];
    optional float m10 = 2 [default = 0];
    optional float m01 = 3 [default = 0];
    optional float m11 = 4 [default = 1];
    optional float m02 = 5 [default = 0];
    optional float m12 = 6 [default = 0];
}

message CombinedProto {
    repeated uint32 ids = 1;
}

message GlyphProto {
    optional bytes data = 1;
}

message RectangleProto {
    required float x = 1;
    required float y = 2;
    required float w = 3;
    required float h = 4;
}

message EllipseProto {
    required float x = 1;
    required float y = 2;
    required float w = 3;
    required float h = 4;
}

message RoundRectangleProto {
    required float x = 1;
    required float y = 2;
    required float w = 3;
    required float h = 4;
    optional float arcW = 5;
    optional float arcH = 6;
}

message ArcProto {
    required float x = 1;
    required float y = 2;
    required float w = 3;
    required float h = 4;
    optional float start = 5;
    optional float extent = 6;
    optional ArcTypeProto type = 7;

    enum ArcTypeProto {
        OPEN = 0;
        CHORD = 1;
        PIE = 2;
    }
}

message PathProto {
    required bool windingOdd = 1;
    repeated SegmentTypeProto type = 2;
    repeated float points = 3;

    enum SegmentTypeProto {
        MOVE = 0;
        LINE = 1;
        QUAD = 2;
        CUBIC = 3;
        CLOSE = 4;
    }
}

message FontProto {
    required string family = 1;
    optional StyleProto style = 2;
    optional uint32 size = 3;
    optional TransformProto transform = 4;
    optional bool fontProvided = 5;

    enum StyleProto {
        NORMAL = 0;
        OBLIQUE = 1;
        ITALIC = 2;
        BOLDANDITALIC = 3;
    }
}

message StrokeProto {
    required float width = 1;
    optional float miterLimit = 2;
    optional StrokeJoinProto join = 3;
    optional StrokeCapProto cap = 4;
    repeated float dash = 5;
    optional float dashOffset = 6;

    enum StrokeJoinProto {
        JOIN_MITER = 0;
        JOIN_ROUND = 1;
        JOIN_BEVEL = 2;
    }

    enum StrokeCapProto {
        CAP_BUTT = 0;
        CAP_ROUND = 1;
        CAP_SQUARE = 2;
    }
}

message LinearGradientProto {
    required sint32 xStart = 1;
    required sint32 yStart = 2;
    required sint32 xEnd = 3;
    required sint32 yEnd = 4;
    repeated fixed32 colors = 5;
    repeated float fractions = 6;
    required CyclicMethodProto repeat = 7;
}

message RadialGradientProto {
    required sint32 xCenter = 1;
    required sint32 yCenter = 2;
    required sint32 xFocus = 3;
    required sint32 yFocus = 4;
    required sint32 radius = 5;
    repeated fixed32 colors = 6;
    repeated float fractions = 7;
    required CyclicMethodProto repeat = 8;
}

enum CyclicMethodProto {
    NO_CYCLE = 0;
    REFLECT = 1;
    REPEAT = 2;
}

message PointsProto {
    repeated sint32 points = 1;
}

message CompositeProto {
    required CompositeTypeProto type = 1;
    optional float alpha = 2 [default = 1];
    optional fixed32 color = 3;
    enum CompositeTypeProto {
        CLEAR = 1;
        SRC = 2;
        DST = 9;
        SRC_OVER = 3;
        DST_OVER = 4;
        SRC_IN = 5;
        DST_IN = 6;
        SRC_OUT = 7;
        DST_OUT = 8;
        SRC_ATOP = 10;
        DST_ATOP = 11;
        XOR = 12;
        XOR_MODE = 13;
    }
}

message TextureProto {
    required ImageProto image = 1;
    required RectangleProto anchor = 2;
}