WIP - add extractor, generate snippet_data
This commit is contained in:
Stefan Fejes
287
node_modules/sharp/vendor/include/pango/pango-renderer.h
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node_modules/sharp/vendor/include/pango/pango-renderer.h
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/* Pango
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* pango-renderer.h: Base class for rendering
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*
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* Copyright (C) 2004, Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __PANGO_RENDERER_H_
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#define __PANGO_RENDERER_H_
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#include <pango/pango-layout.h>
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G_BEGIN_DECLS
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#define PANGO_TYPE_RENDERER (pango_renderer_get_type())
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#define PANGO_RENDERER(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_RENDERER, PangoRenderer))
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#define PANGO_IS_RENDERER(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_RENDERER))
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#define PANGO_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_RENDERER, PangoRendererClass))
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#define PANGO_IS_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_RENDERER))
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#define PANGO_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_RENDERER, PangoRendererClass))
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typedef struct _PangoRenderer PangoRenderer;
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typedef struct _PangoRendererClass PangoRendererClass;
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typedef struct _PangoRendererPrivate PangoRendererPrivate;
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/**
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* PangoRenderPart:
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* @PANGO_RENDER_PART_FOREGROUND: the text itself
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* @PANGO_RENDER_PART_BACKGROUND: the area behind the text
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* @PANGO_RENDER_PART_UNDERLINE: underlines
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* @PANGO_RENDER_PART_STRIKETHROUGH: strikethrough lines
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*
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* #PangoRenderPart defines different items to render for such
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* purposes as setting colors.
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*
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* Since: 1.8
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**/
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/* When extending, note N_RENDER_PARTS #define in pango-renderer.c */
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typedef enum
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{
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PANGO_RENDER_PART_FOREGROUND,
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PANGO_RENDER_PART_BACKGROUND,
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PANGO_RENDER_PART_UNDERLINE,
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PANGO_RENDER_PART_STRIKETHROUGH
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} PangoRenderPart;
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/**
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* PangoRenderer:
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* @matrix: (nullable): the current transformation matrix for
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* the Renderer; may be %NULL, which should be treated the
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* same as the identity matrix.
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*
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* #PangoRenderer is a base class for objects that are used to
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* render Pango objects such as #PangoGlyphString and
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* #PangoLayout.
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*
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* Since: 1.8
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**/
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struct _PangoRenderer
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{
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/*< private >*/
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GObject parent_instance;
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PangoUnderline underline;
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gboolean strikethrough;
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int active_count;
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/*< public >*/
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PangoMatrix *matrix; /* May be NULL */
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/*< private >*/
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PangoRendererPrivate *priv;
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};
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/**
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* PangoRendererClass:
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* @draw_glyphs: draws a #PangoGlyphString
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* @draw_rectangle: draws a rectangle
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* @draw_error_underline: draws a squiggly line that approximately
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* covers the given rectangle in the style of an underline used to
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* indicate a spelling error.
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* @draw_shape: draw content for a glyph shaped with #PangoAttrShape.
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* @x, @y are the coordinates of the left edge of the baseline,
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* in user coordinates.
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* @draw_trapezoid: draws a trapezoidal filled area
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* @draw_glyph: draws a single glyph
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* @part_changed: do renderer specific processing when rendering
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* attributes change
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* @begin: Do renderer-specific initialization before drawing
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* @end: Do renderer-specific cleanup after drawing
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* @prepare_run: updates the renderer for a new run
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* @draw_glyph_item: draws a #PangoGlyphItem
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*
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* Class structure for #PangoRenderer.
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*
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* Since: 1.8
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**/
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struct _PangoRendererClass
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{
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/*< private >*/
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GObjectClass parent_class;
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/* vtable - not signals */
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/*< public >*/
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/* All of the following have default implementations
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* and take as coordinates user coordinates in Pango units
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*/
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void (*draw_glyphs) (PangoRenderer *renderer,
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PangoFont *font,
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PangoGlyphString *glyphs,
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int x,
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int y);
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void (*draw_rectangle) (PangoRenderer *renderer,
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PangoRenderPart part,
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int x,
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int y,
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int width,
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int height);
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void (*draw_error_underline) (PangoRenderer *renderer,
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int x,
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int y,
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int width,
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int height);
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/* Nothing is drawn for shaped glyphs unless this is implemented */
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void (*draw_shape) (PangoRenderer *renderer,
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PangoAttrShape *attr,
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int x,
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int y);
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/* These two must be implemented and take coordinates in
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* device space as doubles.
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*/
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void (*draw_trapezoid) (PangoRenderer *renderer,
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PangoRenderPart part,
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double y1_,
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double x11,
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double x21,
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double y2,
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double x12,
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double x22);
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void (*draw_glyph) (PangoRenderer *renderer,
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PangoFont *font,
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PangoGlyph glyph,
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double x,
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double y);
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/* Notification of change in rendering attributes
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*/
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void (*part_changed) (PangoRenderer *renderer,
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PangoRenderPart part);
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/* Paired around drawing operations
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*/
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void (*begin) (PangoRenderer *renderer);
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void (*end) (PangoRenderer *renderer);
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/* Hooks into the details of layout rendering
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*/
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void (*prepare_run) (PangoRenderer *renderer,
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PangoLayoutRun *run);
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/* All of the following have default implementations
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* and take as coordinates user coordinates in Pango units
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*/
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void (*draw_glyph_item) (PangoRenderer *renderer,
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const char *text,
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PangoGlyphItem *glyph_item,
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int x,
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int y);
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/*< private >*/
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/* Padding for future expansion */
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void (*_pango_reserved2) (void);
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void (*_pango_reserved3) (void);
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void (*_pango_reserved4) (void);
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};
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PANGO_AVAILABLE_IN_1_8
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GType pango_renderer_get_type (void) G_GNUC_CONST;
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_draw_layout (PangoRenderer *renderer,
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PangoLayout *layout,
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int x,
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int y);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_draw_layout_line (PangoRenderer *renderer,
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PangoLayoutLine *line,
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int x,
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int y);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_draw_glyphs (PangoRenderer *renderer,
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PangoFont *font,
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PangoGlyphString *glyphs,
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int x,
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int y);
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PANGO_AVAILABLE_IN_1_22
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void pango_renderer_draw_glyph_item (PangoRenderer *renderer,
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const char *text,
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PangoGlyphItem *glyph_item,
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int x,
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int y);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_draw_rectangle (PangoRenderer *renderer,
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PangoRenderPart part,
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int x,
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int y,
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int width,
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int height);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_draw_error_underline (PangoRenderer *renderer,
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int x,
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int y,
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int width,
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int height);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_draw_trapezoid (PangoRenderer *renderer,
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PangoRenderPart part,
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double y1_,
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double x11,
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double x21,
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double y2,
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double x12,
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double x22);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_draw_glyph (PangoRenderer *renderer,
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PangoFont *font,
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PangoGlyph glyph,
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double x,
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double y);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_activate (PangoRenderer *renderer);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_deactivate (PangoRenderer *renderer);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_part_changed (PangoRenderer *renderer,
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PangoRenderPart part);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_set_color (PangoRenderer *renderer,
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PangoRenderPart part,
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const PangoColor *color);
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PANGO_AVAILABLE_IN_1_8
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PangoColor *pango_renderer_get_color (PangoRenderer *renderer,
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PangoRenderPart part);
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PANGO_AVAILABLE_IN_1_38
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void pango_renderer_set_alpha (PangoRenderer *renderer,
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PangoRenderPart part,
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guint16 alpha);
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PANGO_AVAILABLE_IN_1_38
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guint16 pango_renderer_get_alpha (PangoRenderer *renderer,
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PangoRenderPart part);
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PANGO_AVAILABLE_IN_1_8
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void pango_renderer_set_matrix (PangoRenderer *renderer,
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const PangoMatrix *matrix);
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PANGO_AVAILABLE_IN_1_8
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const PangoMatrix *pango_renderer_get_matrix (PangoRenderer *renderer);
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PANGO_AVAILABLE_IN_1_20
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PangoLayout *pango_renderer_get_layout (PangoRenderer *renderer);
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PANGO_AVAILABLE_IN_1_20
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PangoLayoutLine *pango_renderer_get_layout_line (PangoRenderer *renderer);
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G_END_DECLS
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#endif /* __PANGO_RENDERER_H_ */
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