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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
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render.h for the Openbox window manager
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Copyright (c) 2006 Mikael Magnusson
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Copyright (c) 2003-2007 Dana Jansens
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Copyright (c) 2003 Derek Foreman
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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See the COPYING file for a copy of the GNU General Public License.
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#include <X11/Xlib.h> /* some platforms dont include this as needed for Xft */
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#include <pango/pangoxft.h>
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typedef union _RrTextureData RrTextureData;
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typedef struct _RrAppearance RrAppearance;
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typedef struct _RrSurface RrSurface;
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typedef struct _RrFont RrFont;
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typedef struct _RrTexture RrTexture;
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typedef struct _RrTextureMask RrTextureMask;
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typedef struct _RrTextureRGBA RrTextureRGBA;
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typedef struct _RrTextureImage RrTextureImage;
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typedef struct _RrTextureText RrTextureText;
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typedef struct _RrTextureLineArt RrTextureLineArt;
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typedef struct _RrPixmapMask RrPixmapMask;
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typedef struct _RrInstance RrInstance;
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typedef struct _RrColor RrColor;
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typedef struct _RrImage RrImage;
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typedef struct _RrImagePic RrImagePic;
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typedef struct _RrImageCache RrImageCache;
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typedef guint32 RrPixel32;
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typedef guint16 RrPixel16;
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typedef guchar RrPixel8;
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RR_SURFACE_SPLIT_VERTICAL,
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RR_SURFACE_HORIZONTAL,
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RR_SURFACE_CROSS_DIAGONAL,
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RR_SURFACE_MIRROR_HORIZONTAL
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/* Put middle first so it's the default */
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RR_FONTWEIGHT_NORMAL,
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RR_FONTWEIGHT_SEMIBOLD,
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RR_FONTWEIGHT_ULTRABOLD
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RrSurfaceColorType grad;
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RrColor *border_color;
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RrColor *bevel_light;
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RrColor *interlace_color;
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RrAppearance *parent;
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RrPixel32 *pixel_data;
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gint bevel_dark_adjust; /* 0-255, default is 64 */
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gint bevel_light_adjust; /* 0-255, default is 128 */
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RrColor *split_primary;
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RrColor *split_secondary;
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struct _RrTextureText {
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gint shadow_offset_x;
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gint shadow_offset_y;
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RrColor *shadow_color;
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gboolean shortcut; /*!< Underline a character */
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guint shortcut_pos; /*!< Position in bytes of the character to underline */
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RrEllipsizeMode ellipsize;
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gboolean flow; /* allow multiple lines. must set maxwidth below */
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guchar shadow_alpha; /* at the bottom to improve alignment */
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struct _RrPixmapMask {
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const RrInstance *inst;
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struct _RrTextureMask {
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struct _RrTextureRGBA {
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/* size and position to draw at (if these are zero, then it will be
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drawn to fill the entire texture */
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struct _RrTextureImage {
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/* size and position to draw at (if these are zero, then it will be
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drawn to fill the entire texture */
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struct _RrTextureLineArt {
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union _RrTextureData {
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RrTextureImage image;
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RrTextureLineArt lineart;
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/* If changing the type of a texture, you should DEFINITELY call
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RrAppearanceClearTextures() first! */
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struct _RrAppearance {
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const RrInstance *inst;
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/* cached for internal use */
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/*! Holds a RGBA image picture */
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/* The sum of all the pixels. This is used to compare pictures if their
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/*! An RrImage is a sort of meta-image. It can contain multiple versions of
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an image at different sizes, which may or may not be completely different
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/*! An array of "originals", that is of RrPictures that have been added
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to the image in various sizes, and that have not been resized. These
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are explicitly added to the RrImage. */
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RrImagePic **original;
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/*! An array of "resized" pictures. When an "original" RrPicture
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needs to be resized for drawing, it is saved in here so that it doesn't
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need to be resized again. These are automatically added to the
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RrImagePic **resized;
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/* these are the same on all endian machines because it seems to be dependant
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on the endianness of the gfx card, not the cpu. */
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#define RrDefaultAlphaOffset 24
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#define RrDefaultRedOffset 16
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#define RrDefaultGreenOffset 8
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#define RrDefaultBlueOffset 0
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#define RrDefaultFontFamily "arial,sans"
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#define RrDefaultFontSize 8
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#define RrDefaultFontWeight RR_FONTWEIGHT_NORMAL
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#define RrDefaultFontSlant RR_FONTSLANT_NORMAL
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RrInstance* RrInstanceNew (Display *display, gint screen);
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void RrInstanceFree (RrInstance *inst);
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Display* RrDisplay (const RrInstance *inst);
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gint RrScreen (const RrInstance *inst);
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Window RrRootWindow (const RrInstance *inst);
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Visual* RrVisual (const RrInstance *inst);
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gint RrDepth (const RrInstance *inst);
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Colormap RrColormap (const RrInstance *inst);
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gint RrRedOffset (const RrInstance *inst);
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gint RrGreenOffset (const RrInstance *inst);
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gint RrBlueOffset (const RrInstance *inst);
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gint RrRedShift (const RrInstance *inst);
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gint RrGreenShift (const RrInstance *inst);
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gint RrBlueShift (const RrInstance *inst);
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gint RrRedMask (const RrInstance *inst);
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gint RrGreenMask (const RrInstance *inst);
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gint RrBlueMask (const RrInstance *inst);
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RrColor *RrColorNew (const RrInstance *inst, gint r, gint g, gint b);
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RrColor *RrColorParse (const RrInstance *inst, gchar *colorname);
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void RrColorFree (RrColor *in);
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gint RrColorRed (const RrColor *c);
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gint RrColorGreen (const RrColor *c);
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gint RrColorBlue (const RrColor *c);
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gulong RrColorPixel (const RrColor *c);
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GC RrColorGC (RrColor *c);
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RrAppearance *RrAppearanceNew (const RrInstance *inst, gint numtex);
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RrAppearance *RrAppearanceCopy (RrAppearance *a);
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void RrAppearanceFree (RrAppearance *a);
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void RrAppearanceRemoveTextures(RrAppearance *a);
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void RrAppearanceAddTextures(RrAppearance *a, gint numtex);
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/*! Always call this when changing the type of a texture in an appearance */
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void RrAppearanceClearTextures(RrAppearance *a);
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RrFont *RrFontOpen (const RrInstance *inst, const gchar *name,
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gint size, RrFontWeight weight, RrFontSlant slant);
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RrFont *RrFontOpenDefault (const RrInstance *inst);
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void RrFontClose (RrFont *f);
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RrSize *RrFontMeasureString (const RrFont *f, const gchar *str,
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gint shadow_offset_x, gint shadow_offset_y,
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gboolean flow, gint maxwidth);
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gint RrFontHeight (const RrFont *f, gint shadow_offset_y);
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gint RrFontMaxCharWidth (const RrFont *f);
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/* Paint into the appearance. The old pixmap is returned (if there was one). It
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is the responsibility of the caller to call XFreePixmap on the return when
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Pixmap RrPaintPixmap (RrAppearance *a, gint w, gint h);
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void RrPaint (RrAppearance *a, Window win, gint w, gint h);
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void RrMinSize (RrAppearance *a, gint *w, gint *h);
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gint RrMinWidth (RrAppearance *a);
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/* For text textures, if flow is TRUE, then the string must be set before
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calling this, otherwise it doesn't need to be */
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gint RrMinHeight (RrAppearance *a);
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void RrMargins (RrAppearance *a, gint *l, gint *t, gint *r, gint *b);
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gboolean RrPixmapToRGBA(const RrInstance *inst,
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Pixmap pmap, Pixmap mask,
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gint *w, gint *h, RrPixel32 **data);
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/*! Create a new image cache for RrImages.
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@param max_resized_saved The number of resized copies of an image to save
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RrImageCache* RrImageCacheNew(gint max_resized_saved);
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void RrImageCacheRef(RrImageCache *self);
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void RrImageCacheUnref(RrImageCache *self);
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/*! Finds an image in the cache, if it is already in there */
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RrImage* RrImageCacheFind(RrImageCache *self,
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RrPixel32 *data, gint w, gint h);
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RrImage* RrImageNew(RrImageCache *cache);
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void RrImageRef(RrImage *im);
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void RrImageUnref(RrImage *im);
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void RrImageAddPicture(RrImage *im, RrPixel32 *data, gint w, gint h);
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void RrImageRemovePicture(RrImage *im, gint w, gint h);
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#endif /*__render_h*/
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render/render.h
