Contents

#pragma once

namespace Gosu
{
    /// Represents the Z position of something drawn with Gosu's graphics system.
    /// Images drawn with higher ZPos values will cover those with a lower ZPos value.
    typedef double ZPos;

    /// Determines the way pixel colors are combined when images overlap.
    enum BlendMode
    {
        BM_DEFAULT,
        /// The color's channels will be interpolated. The alpha channel specifies the opacity of
        /// the new color, 255 is full opacity.
        BM_INTERPOLATE = BM_DEFAULT,
        /// The colors' channels will be added. The alpha channel specifies the percentage of the
        /// new color's channels that will be added to the old color's channels.
        BM_ADD,
        /// The color's channels will be multiplied with each other.
        BM_MULTIPLY
    };

    enum FontFlags
    {
        FF_BOLD = 1,
        FF_ITALIC = 2,
        FF_UNDERLINE = 4,
        FF_COMBINATIONS = 8
    };

    enum Alignment
    {
        AL_LEFT,
        AL_RIGHT,
        AL_CENTER,
        AL_JUSTIFY
    };

    /// Flags that affect the tileability or interpolation of an image.
    enum ImageFlags
    {
        IF_SMOOTH = 0,

        // Note: No constant for '1', but Gosu treats '1' as IF_TILEABLE for
        // backward compatibility reasons (this parameter used to be a bool).

        IF_TILEABLE_LEFT = 1 << 1,
        IF_TILEABLE_TOP = 1 << 2,
        IF_TILEABLE_RIGHT = 1 << 3,
        IF_TILEABLE_BOTTOM = 1 << 4,
        IF_TILEABLE = IF_TILEABLE_LEFT | IF_TILEABLE_TOP | IF_TILEABLE_RIGHT | IF_TILEABLE_BOTTOM,

        /// Apply nearest-neighbor interpolation when scaling this image up or down.
        IF_RETRO = 1 << 5
    };
}

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
gosu-2.0.0.pre8	include/Gosu/GraphicsBase.hpp
gosu-2.0.0.pre7	include/Gosu/GraphicsBase.hpp
gosu-2.0.0.pre6	include/Gosu/GraphicsBase.hpp