- public Type attribute_type_get_type ()
- public void begin_gl ()
We do not advise nor reliably support the interleaving of raw GL drawing and
Cogl drawing functions, but if you insist, begin_gl and
end_gl provide a simple mechanism that may at least give you a fighting chance of succeeding.
- public Type blend_string_error_get_type ()
- public bool check_extension (string name, string ext)
Check whether name occurs in list of extensions in ext
.
- public void clear (Color color, uint buffers)
Clears all the auxiliary buffers identified in the buffers
mask, and if that includes the color buffer then the specified color is used.
- public void clip_ensure ()
Ensures that the current clipping region has been set in GL.
- public void clip_pop ()
Reverts the clipping region to the state before the last call to
clip_push.
- public void clip_push (float x_offset, float y_offset, float width, float height)
Specifies a rectangular clipping area for all subsequent drawing operations.
- public void clip_push_from_path ()
- public void clip_push_from_path_preserve ()
- public void clip_push_rectangle (float x0, float y0, float x1, float y1)
Specifies a rectangular clipping area for all subsequent drawing operations.
- public void clip_push_window_rect (float x_offset, float y_offset, float width, float height)
Specifies a rectangular clipping area for all subsequent drawing operations.
- public void clip_push_window_rectangle (int x_offset, int y_offset, int width, int height)
Specifies a rectangular clipping area for all subsequent drawing operations.
- public void clip_stack_restore ()
Restore the state of the clipping stack that was previously saved by
clip_stack_save.
- public void clip_stack_save ()
Save the entire state of the clipping stack and then clear all clipping.
- public Type depth_test_function_get_type ()
- public void disable_fog ()
This function disables fogging, so primitives drawn afterwards will not be
blended with any previously set fog color.
- public Fixed double_to_fixed (double value)
- public int double_to_int (double value)
- public uint double_to_uint (double value)
- public Type driver_error_get_type ()
- public void end_gl ()
This is the counterpart to
begin_gl used to delimit blocks of drawing code using raw OpenGL.
- public Type error_get_type ()
- public Type feature_flags_get_type ()
- public bool features_available (FeatureFlags features)
Checks whether the given COGL features are available.
- public void flush ()
This function should only need to be called in exceptional circumstances.
- public Type fog_mode_get_type ()
- public void frustum (float left, float right, float bottom, float top, float z_near, float z_far)
Replaces the current projection matrix with a perspective matrix for a given
viewing frustum defined by 4 side clip planes that all cross through the origin and 2 near and far clip planes.
- public bool get_backface_culling_enabled ()
- public void get_bitmasks (out int red, out int green, out int blue, out int alpha)
Gets the number of bitplanes used for each of the color components in the
color buffer.
- public bool get_depth_test_enabled ()
Queries if depth testing has been enabled via
cogl_set_depth_test_enable
- public FeatureFlags get_features ()
Returns all of the features supported by COGL.
- public void get_modelview_matrix (out Matrix matrix)
Stores the current model-view matrix in matrix.
- public OptionGroup get_option_group ()
Retrieves the
OptionGroup used by Cogl to parse the command line options.
- public unowned Path get_path ()
- public unowned FuncPtr get_proc_address (string name)
Gets a pointer to a given GL or GL ES extension function.
- public void get_projection_matrix (out Matrix matrix)
Stores the current projection matrix in matrix.
- public void get_viewport (float[] v)
Stores the current viewport in v.
- public Type indices_type_get_type ()
- public bool is_path (Bitmap handle)
- public bool is_vertex_buffer_indices (Bitmap handle)
Checks whether handle is a handle to the indices for a vertex
buffer object
- public void ortho (float left, float right, float bottom, float top, float near, float far)
Replaces the current projection matrix with an orthographic projection
matrix.
- public void pango_ensure_glyph_cache_for_layout (Layout layout)
- public void pango_render_layout (Layout layout, int x, int y, Color color, int flags)
- public void pango_render_layout_line (LayoutLine line, int x, int y, Color color)
- public void pango_render_layout_subpixel (Layout layout, int x, int y, Color color, int flags)
- public void perspective (float fovy, float aspect, float z_near, float z_far)
Replaces the current projection matrix with a perspective matrix based on
the provided values.
- public Type pixel_format_get_type ()
- public void polygon (TextureVertex[] vertices, bool use_color)
Draws a convex polygon using the current source material to fill / texture
with according to the texture coordinates passed.
- public void pop_framebuffer ()
Restores the framebuffer that was previously at the top of the stack.
- public void pop_matrix ()
Restores the current model-view matrix from the matrix stack.
- public void push_framebuffer (Framebuffer buffer)
Redirects all subsequent drawing to the specified framebuffer.
- public void push_matrix ()
Stores the current model-view matrix on the matrix stack.
- public void read_pixels (int x, int y, int width, int height, ReadPixelsFlags source, PixelFormat format, uint8[] pixels)
This reads a rectangle of pixels from the current framebuffer where position
(0, 0) is the top left.
- public Type read_pixels_flags_get_type ()
- public void rectangle (float x_1, float y_1, float x_2, float y_2)
Fills a rectangle at the given coordinates with the current source material
- public void rectangle_with_multitexture_coords (float x1, float y1, float x2, float y2, float tex_coords, int tex_coords_len)
This function draws a rectangle using the current source material to texture
or fill with.
- public void rectangle_with_texture_coords (float x1, float y1, float x2, float y2, float tx1, float ty1, float tx2, float ty2)
Draw a rectangle using the current material and supply texture coordinates
to be used for the first texture layer of the material.
- public void rectangles (float[] verts, uint n_rects)
Draws a series of rectangles in the same way that
rectangle does.
- public void rectangles_with_texture_coords (float[] verts, uint n_rects)
- public void rotate (float angle, float x, float y, float z)
Multiplies the current model-view matrix by one that rotates the model
around the vertex specified by x, y and z.
- public void scale (float x, float y, float z)
Multiplies the current model-view matrix by one that scales the x, y and z
axes by the given values.
- public void set_backface_culling_enabled (bool setting)
Sets whether textures positioned so that their backface is showing should be
hidden.
- public void set_depth_test_enabled (bool setting)
Sets whether depth testing is enabled.
- public void set_fog (Color fog_color, FogMode mode, float density, float z_near, float z_far)
Enables fogging.
- public void set_framebuffer (Framebuffer buffer)
This redirects all subsequent drawing to the specified framebuffer.
- public void set_modelview_matrix (Matrix matrix)
Loads matrix as the new model-view matrix.
- public void set_path (Path path)
- public void set_projection_matrix (Matrix matrix)
Loads matrix as the new projection matrix.
- public void set_source (Material material)
This function changes the material at the top of the source stack.
- public void set_source_color (Color color)
This is a convenience function for creating a solid fill source material
from the given color.
- public void set_source_color4f (float red, float green, float blue, float alpha)
This is a convenience function for creating a solid fill source material
from the given color using normalized values for each component.
- public void set_source_color4ub (uchar red, uchar green, uchar blue, uchar alpha)
This is a convenience function for creating a solid fill source material
from the given color using unsigned bytes for each component.
- public void set_source_texture (Texture texture_handle)
This is a convenience function for creating a material with the first layer
set to texture and setting that material as the source with cogl_set_source.
- public void set_viewport (int x, int y, int width, int height)
Replaces the current viewport with the given values.
- public int sqrti (int x)
Very fast fixed point implementation of square root for integers.
- public void transform (Matrix matrix)
Multiplies the current model-view matrix by the given matrix.
- public void translate (float x, float y, float z)
Multiplies the current model-view matrix by one that translates the model
along all three axes according to the given values.
- public Type vertices_mode_get_type ()
- public void viewport (uint width, uint height)
Replace the current viewport with the given values.