60edafe3eb
As GNOME Shell always sets that to FALSE anyways This does not drop the separate caching whether the mipmapping is disabled or not, in case shell wants to make use of that in the future Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3962>
187 lines
6.9 KiB
C
187 lines
6.9 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2008 OpenedHand
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* Copyright (C) 2012 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Neil Roberts <neil@linux.intel.com>
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* Robert Bragg <robert@linux.intel.com>
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* Matthew Allum <mallum@openedhand.com>
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*/
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#pragma once
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#include <glib-object.h>
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#include <pango/pango.h>
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#include <pango/pangocairo.h>
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/* XXX: Currently this header may be included both as an internal
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* header (within the cogl-pango implementation) and as a public
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* header.
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*
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* Since <cogl/cogl.h> should not be included for internal use we
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* determine the current context and switch between including cogl.h
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* or specific internal cogl headers here...
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*/
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#ifndef COGL_COMPILATION
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#include "cogl/cogl.h"
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#else
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#include "cogl/cogl-context.h"
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#include "cogl/cogl-macros.h"
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#endif
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G_BEGIN_DECLS
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/* It's too difficult to actually subclass the pango cairo font
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* map. Instead we just make a fake set of macros that actually just
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* directly use the original type
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*/
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#define COGL_PANGO_TYPE_FONT_MAP PANGO_TYPE_CAIRO_FONT_MAP
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#define COGL_PANGO_FONT_MAP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COGL_PANGO_TYPE_FONT_MAP, CoglPangoFontMap))
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#define COGL_PANGO_IS_FONT_MAP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), COGL_PANGO_TYPE_FONT_MAP))
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typedef PangoCairoFontMap CoglPangoFontMap;
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typedef void (* CoglPangoPipelineSetup) (CoglPipeline *pipeline,
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gpointer user_data);
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/**
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* cogl_pango_font_map_new:
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*
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* Creates a new font map.
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*
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* Return value: (transfer full): the newly created #PangoFontMap
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*/
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COGL_EXPORT PangoFontMap *
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cogl_pango_font_map_new (CoglContext *context);
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/**
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* cogl_pango_font_map_create_context:
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* @font_map: a #CoglPangoFontMap
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*
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* Create a [class@Pango.Context] for the given @font_map.
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*
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* Returns: (transfer full): the newly created context: free with [method@GObject.Object.unref].
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*/
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COGL_EXPORT PangoContext *
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cogl_pango_font_map_create_context (CoglPangoFontMap *font_map);
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/**
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* cogl_pango_font_map_set_resolution:
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* @font_map: a #CoglPangoFontMap
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* @dpi: The resolution in "dots per inch". (Physical inches aren't
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* actually involved; the terminology is conventional.)
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*
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* Sets the resolution for the @font_map.
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*
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* This is a scale factor between points specified in a
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* [struct@Pango.FontDescription] and Cogl units.
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* The default value is %96, meaning that a 10 point font will be 13
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* units high. (10 * 96. / 72. = 13.3).
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*/
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COGL_EXPORT void
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cogl_pango_font_map_set_resolution (CoglPangoFontMap *font_map,
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double dpi);
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/**
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* cogl_pango_ensure_glyph_cache_for_layout:
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* @layout: A #PangoLayout
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*
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* This updates any internal glyph cache textures as necessary to be
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* able to render the given @layout.
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*
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* This api should be used to avoid mid-scene modifications of
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* glyph-cache textures which can lead to undefined rendering results.
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*/
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COGL_EXPORT void
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cogl_pango_ensure_glyph_cache_for_layout (PangoLayout *layout);
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/**
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* cogl_pango_font_map_get_renderer:
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* @font_map: a #CoglPangoFontMap
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*
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* Retrieves the [class@CoglPango.Renderer] for the passed @font_map.
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*
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* Return value: (transfer none): a #PangoRenderer
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*/
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COGL_EXPORT PangoRenderer *
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cogl_pango_font_map_get_renderer (CoglPangoFontMap *font_map);
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/**
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* cogl_pango_show_layout: (skip)
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* @framebuffer: A #CoglFramebuffer to draw too.
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* @layout: a #PangoLayout
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* @x: X coordinate to render the layout at
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* @y: Y coordinate to render the layout at
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* @color: color to use when rendering the layout
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*
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* Draws a solidly coloured @layout on the given @framebuffer at (@x,
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* @y) within the `framebuffer`'s current model-view coordinate space.
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*/
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COGL_EXPORT void
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cogl_pango_show_layout (CoglFramebuffer *framebuffer,
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PangoLayout *layout,
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float x,
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float y,
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const CoglColor *color,
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CoglPangoPipelineSetup pipeline_setup,
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gpointer pipeline_setup_userdata);
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/**
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* cogl_pango_show_layout_line: (skip)
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* @framebuffer: A #CoglFramebuffer to draw too.
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* @line: a #PangoLayoutLine
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* @x: X coordinate to render the line at
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* @y: Y coordinate to render the line at
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* @color: color to use when rendering the line
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*
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* Draws a solidly coloured @line on the given @framebuffer at (@x,
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* @y) within the `framebuffer`'s current model-view coordinate space.
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*/
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COGL_EXPORT void
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cogl_pango_show_layout_line (CoglFramebuffer *framebuffer,
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PangoLayoutLine *line,
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float x,
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float y,
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const CoglColor *color,
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CoglPangoPipelineSetup pipeline_setup,
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gpointer pipeline_setup_userdata);
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#define COGL_PANGO_TYPE_RENDERER (cogl_pango_renderer_get_type ())
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#define COGL_PANGO_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), COGL_PANGO_TYPE_RENDERER, CoglPangoRenderer))
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#define COGL_PANGO_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), COGL_PANGO_TYPE_RENDERER, CoglPangoRendererClass))
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#define COGL_PANGO_IS_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), COGL_PANGO_TYPE_RENDERER))
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#define COGL_PANGO_IS_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), COGL_PANGO_TYPE_RENDERER))
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#define COGL_PANGO_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), COGL_PANGO_TYPE_RENDERER, CoglPangoRendererClass))
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/* opaque types */
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typedef struct _CoglPangoRenderer CoglPangoRenderer;
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typedef struct _CoglPangoRendererClass CoglPangoRendererClass;
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COGL_EXPORT GType cogl_pango_renderer_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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