/* GSK - The GTK Scene Kit * Copyright 2016 Endless * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see . */ #ifndef __GSK_ENUMS_H__ #define __GSK_ENUMS_H__ #if !defined (__GSK_H_INSIDE__) && !defined (GTK_COMPILATION) #error "Only can be included directly." #endif /** * GskRenderNodeType: * @GSK_NOT_A_RENDER_NODE: Error type. No node will ever have this type. * @GSK_CONTAINER_NODE: A node containing a stack of children * @GSK_CAIRO_NODE: A node drawing a #cairo_surface_t * @GSK_COLOR_NODE: A node drawing a single color rectangle * @GSK_LINEAR_GRADIENT_NODE: A node drawing a linear gradient * @GSK_REPEATING_LINEAR_GRADIENT_NODE: A node drawing a repeating linear gradient * @GSK_RADIAL_GRADIENT_NODE: A node drawing a radial gradient * @GSK_REPEATING_RADIAL_GRADIENT_NODE: A node drawing a repeating radial gradient * @GSK_CONIC_GRADIENT_NODE: A node drawing a conic gradient * @GSK_BORDER_NODE: A node stroking a border around an area * @GSK_TEXTURE_NODE: A node drawing a #GdkTexture * @GSK_INSET_SHADOW_NODE: A node drawing an inset shadow * @GSK_OUTSET_SHADOW_NODE: A node drawing an outset shadow * @GSK_TRANSFORM_NODE: A node that renders its child after applying a matrix transform * @GSK_OPACITY_NODE: A node that changes the opacity of its child * @GSK_COLOR_MATRIX_NODE: A node that applies a color matrix to every pixel * @GSK_REPEAT_NODE: A node that repeats the child's contents * @GSK_CLIP_NODE: A node that clips its child to a rectangular area * @GSK_ROUNDED_CLIP_NODE: A node that clips its child to a rounded rectangle * @GSK_SHADOW_NODE: A node that draws a shadow below its child * @GSK_BLEND_NODE: A node that blends two children together * @GSK_CROSS_FADE_NODE: A node that cross-fades between two children * @GSK_TEXT_NODE: A node containing a glyph string * @GSK_BLUR_NODE: A node that applies a blur * @GSK_DEBUG_NODE: Debug information that does not affect the rendering * @GSK_GL_SHADER_NODE: A node that uses OpenGL fragment shaders to render * The type of a node determines what the node is rendering. */ typedef enum { GSK_NOT_A_RENDER_NODE = 0, GSK_CONTAINER_NODE, GSK_CAIRO_NODE, GSK_COLOR_NODE, GSK_LINEAR_GRADIENT_NODE, GSK_REPEATING_LINEAR_GRADIENT_NODE, GSK_RADIAL_GRADIENT_NODE, GSK_REPEATING_RADIAL_GRADIENT_NODE, GSK_CONIC_GRADIENT_NODE, GSK_BORDER_NODE, GSK_TEXTURE_NODE, GSK_INSET_SHADOW_NODE, GSK_OUTSET_SHADOW_NODE, GSK_TRANSFORM_NODE, GSK_OPACITY_NODE, GSK_COLOR_MATRIX_NODE, GSK_REPEAT_NODE, GSK_CLIP_NODE, GSK_ROUNDED_CLIP_NODE, GSK_SHADOW_NODE, GSK_BLEND_NODE, GSK_CROSS_FADE_NODE, GSK_TEXT_NODE, GSK_BLUR_NODE, GSK_DEBUG_NODE, GSK_GL_SHADER_NODE } GskRenderNodeType; /** * GskScalingFilter: * @GSK_SCALING_FILTER_LINEAR: linear interpolation filter * @GSK_SCALING_FILTER_NEAREST: nearest neighbor interpolation filter * @GSK_SCALING_FILTER_TRILINEAR: linear interpolation along each axis, * plus mipmap generation, with linear interpolation along the mipmap * levels * * The filters used when scaling texture data. * * The actual implementation of each filter is deferred to the * rendering pipeline. */ typedef enum { GSK_SCALING_FILTER_LINEAR, GSK_SCALING_FILTER_NEAREST, GSK_SCALING_FILTER_TRILINEAR } GskScalingFilter; /** * GskBlendMode: * @GSK_BLEND_MODE_DEFAULT: The default blend mode, which specifies no blending * @GSK_BLEND_MODE_MULTIPLY: The source color is multiplied by the destination * and replaces the destination * @GSK_BLEND_MODE_SCREEN: Multiplies the complements of the destination and source * color values, then complements the result. * @GSK_BLEND_MODE_OVERLAY: Multiplies or screens the colors, depending on the * destination color value. This is the inverse of hard-list * @GSK_BLEND_MODE_DARKEN: Selects the darker of the destination and source colors * @GSK_BLEND_MODE_LIGHTEN: Selects the lighter of the destination and source colors * @GSK_BLEND_MODE_COLOR_DODGE: Brightens the destination color to reflect the source color * @GSK_BLEND_MODE_COLOR_BURN: Darkens the destination color to reflect the source color * @GSK_BLEND_MODE_HARD_LIGHT: Multiplies or screens the colors, depending on the source color value * @GSK_BLEND_MODE_SOFT_LIGHT: Darkens or lightens the colors, depending on the source color value * @GSK_BLEND_MODE_DIFFERENCE: Subtracts the darker of the two constituent colors from the lighter color * @GSK_BLEND_MODE_EXCLUSION: Produces an effect similar to that of the difference mode but lower in contrast * @GSK_BLEND_MODE_COLOR: Creates a color with the hue and saturation of the source color and the luminosity of the destination color * @GSK_BLEND_MODE_HUE: Creates a color with the hue of the source color and the saturation and luminosity of the destination color * @GSK_BLEND_MODE_SATURATION: Creates a color with the saturation of the source color and the hue and luminosity of the destination color * @GSK_BLEND_MODE_LUMINOSITY: Creates a color with the luminosity of the source color and the hue and saturation of the destination color * * The blend modes available for render nodes. * * The implementation of each blend mode is deferred to the * rendering pipeline. * * See https://www.w3.org/TR/compositing-1/#blending for more information * on blending and blend modes. */ typedef enum { GSK_BLEND_MODE_DEFAULT = 0, GSK_BLEND_MODE_MULTIPLY, GSK_BLEND_MODE_SCREEN, GSK_BLEND_MODE_OVERLAY, GSK_BLEND_MODE_DARKEN, GSK_BLEND_MODE_LIGHTEN, GSK_BLEND_MODE_COLOR_DODGE, GSK_BLEND_MODE_COLOR_BURN, GSK_BLEND_MODE_HARD_LIGHT, GSK_BLEND_MODE_SOFT_LIGHT, GSK_BLEND_MODE_DIFFERENCE, GSK_BLEND_MODE_EXCLUSION, GSK_BLEND_MODE_COLOR, GSK_BLEND_MODE_HUE, GSK_BLEND_MODE_SATURATION, GSK_BLEND_MODE_LUMINOSITY } GskBlendMode; /** * GskCorner: * @GSK_CORNER_TOP_LEFT: The top left corner * @GSK_CORNER_TOP_RIGHT: The top right corner * @GSK_CORNER_BOTTOM_RIGHT: The bottom right corner * @GSK_CORNER_BOTTOM_LEFT: The bottom left corner * * The corner indices used by #GskRoundedRect. */ typedef enum { GSK_CORNER_TOP_LEFT, GSK_CORNER_TOP_RIGHT, GSK_CORNER_BOTTOM_RIGHT, GSK_CORNER_BOTTOM_LEFT } GskCorner; /** * GskSerializationError: * @GSK_SERIALIZATION_UNSUPPORTED_FORMAT: The format can not be * identified * @GSK_SERIALIZATION_UNSUPPORTED_VERSION: The version of the data * is not understood * @GSK_SERIALIZATION_INVALID_DATA: The given data may not exist in * a proper serialization * * Errors that can happen during (de)serialization. */ typedef enum { GSK_SERIALIZATION_UNSUPPORTED_FORMAT, GSK_SERIALIZATION_UNSUPPORTED_VERSION, GSK_SERIALIZATION_INVALID_DATA } GskSerializationError; /** * GskTransformCategory: * @GSK_TRANSFORM_CATEGORY_UNKNOWN: The category of the matrix has not been * determined. * @GSK_TRANSFORM_CATEGORY_ANY: Analyzing the matrix concluded that it does * not fit in any other category. * @GSK_TRANSFORM_CATEGORY_3D: The matrix is a 3D matrix. This means that * the w column (the last column) has the values (0, 0, 0, 1). * @GSK_TRANSFORM_CATEGORY_2D: The matrix is a 2D matrix. This is equivalent * to graphene_matrix_is_2d() returning %TRUE. In particular, this * means that Cairo can deal with the matrix. * @GSK_TRANSFORM_CATEGORY_2D_AFFINE: The matrix is a combination of 2D scale * and 2D translation operations. In particular, this means that any * rectangle can be transformed exactly using this matrix. * @GSK_TRANSFORM_CATEGORY_2D_TRANSLATE: The matrix is a 2D translation. * @GSK_TRANSFORM_CATEGORY_IDENTITY: The matrix is the identity matrix. * * The categories of matrices relevant for GSK and GTK. * * Note that any category includes matrices of all later categories. * So if you want to for example check if a matrix is a 2D matrix, * `category >= GSK_TRANSFORM_CATEGORY_2D` is the way to do this. * * Also keep in mind that rounding errors may cause matrices to not * conform to their categories. Otherwise, matrix operations done via * mutliplication will not worsen categories. So for the matrix * multiplication `C = A * B`, `category(C) = MIN (category(A), category(B))`. */ typedef enum { GSK_TRANSFORM_CATEGORY_UNKNOWN, GSK_TRANSFORM_CATEGORY_ANY, GSK_TRANSFORM_CATEGORY_3D, GSK_TRANSFORM_CATEGORY_2D, GSK_TRANSFORM_CATEGORY_2D_AFFINE, GSK_TRANSFORM_CATEGORY_2D_TRANSLATE, GSK_TRANSFORM_CATEGORY_IDENTITY } GskTransformCategory; /** * GskGLUniformType: * @GSK_GL_UNIFORM_TYPE_NONE: No type, used for uninitialized or unspecified values. * @GSK_GL_UNIFORM_TYPE_FLOAT: A float uniform * @GSK_GL_UNIFORM_TYPE_INT: A GLSL int / gint32 uniform * @GSK_GL_UNIFORM_TYPE_UINT: A GLSL uint / guint32 uniform * @GSK_GL_UNIFORM_TYPE_BOOL: A GLSL bool / gboolean uniform * @GSK_GL_UNIFORM_TYPE_VEC2: A GLSL vec2 / graphene_vec2_t uniform * @GSK_GL_UNIFORM_TYPE_VEC3: A GLSL vec3 / graphene_vec3_t uniform * @GSK_GL_UNIFORM_TYPE_VEC4: A GLSL vec4 / graphene_vec4_t uniform * * This defines the types of the uniforms that `GskGLShaders` * declare. * * It defines both what the type is called in the GLSL shader * code, and what the corresponding C type is on the Gtk side. */ typedef enum { GSK_GL_UNIFORM_TYPE_NONE, GSK_GL_UNIFORM_TYPE_FLOAT, GSK_GL_UNIFORM_TYPE_INT, GSK_GL_UNIFORM_TYPE_UINT, GSK_GL_UNIFORM_TYPE_BOOL, GSK_GL_UNIFORM_TYPE_VEC2, GSK_GL_UNIFORM_TYPE_VEC3, GSK_GL_UNIFORM_TYPE_VEC4, } GskGLUniformType; #endif /* __GSK_TYPES_H__ */