src/css/cssrendering_box.h

   1 /*
   2  * cssrendering_box.h
   3  *
   4  * Copyright (c) 2013-2014 project bchan
   5  *
   6  * This software is provided 'as-is', without any express or implied
   7  * warranty. In no event will the authors be held liable for any damages
   8  * arising from the use of this software.
   9  *
  10  * Permission is granted to anyone to use this software for any purpose,
  11  * including commercial applications, and to alter it and redistribute it
  12  * freely, subject to the following restrictions:
  13  *
  14  * 1. The origin of this software must not be misrepresented; you must not
  15  *    claim that you wrote the original software. If you use this software
  16  *    in a product, an acknowledgment in the product documentation would be
  17  *    appreciated but is not required.
  18  *
  19  * 2. Altered source versions must be plainly marked as such, and must not be
  20  *    misrepresented as being the original software.
  21  *
  22  * 3. This notice may not be removed or altered from any source
  23  *    distribution.
  24  *
  25  */
  26
  27 #include    <basic.h>
  28 #include    <btron/dp.h>
  29
  30 #include        "cssmetric.h"
  31 #include        <coll/treebase.h>
  32
  33 #ifndef __CSSRENDERING_BOX_H__
  34 #define __CSSRENDERING_BOX_H__
  35
  36 /* Functionality name: cssrendering */
  37 /* Detail name: textfragment */
  38 struct cssrendering_textfragment_t_ {
  39         TC *str;
  40         W len;
  41 };
  42 typedef struct cssrendering_textfragment_t_ cssrendering_textfragment_t;
  43
  44 /* Functionality name: cssrendering */
  45 /* Detail name: box */
  46 /* Data structure identifier: type */
  47 enum CSSRENDERING_BOX_TYPE_ {
  48         CSSRENDEREING_BOX_TYPE_BLOCK,
  49         CSSRENDEREING_BOX_TYPE_LINE,
  50         CSSRENDEREING_BOX_TYPE_ANONYMOUS,
  51 };
  52 typedef enum CSSRENDERING_BOX_TYPE_ CSSRENDERING_BOX_TYPE;
  53
  54 /* Functionality name: cssrendering */
  55 /* Detail name: basebox */
  56 struct cssrendering_basebox_t_ {
  57         treebase_node_t base;
  58         CSSRENDERING_BOX_TYPE type;
  59         cssmetric_rectangle_t content_edge;
  60         VP userdata;
  61 };
  62 typedef struct cssrendering_basebox_t_ cssrendering_basebox_t;
  63
  64 /* Functionality name: cssrendering */
  65 /* Detail name: linebox */
  66 struct cssrendering_linebox_t_ {
  67         cssrendering_basebox_t base;
  68         cssrendering_textfragment_t text;
  69 };
  70 typedef struct cssrendering_linebox_t_ cssrendering_linebox_t;
  71
  72 /* Functionality name: cssrendering */
  73 /* Detail name: anonymousbox */
  74 struct cssrendering_anonymousbox_t_ {
  75         cssrendering_basebox_t base;
  76 };
  77 typedef struct cssrendering_anonymousbox_t_ cssrendering_anonymousbox_t;
  78
  79 /* Functionality name: cssrendering */
  80 /* Detail name: blockbox */
  81 struct cssrendering_blockbox_t_ {
  82         cssrendering_basebox_t base;
  83         cssmetric_rectangle_t view;
  84 };
  85 typedef struct cssrendering_blockbox_t_ cssrendering_blockbox_t;
  86
  87 /* Functionality name: cssrendering */
  88 /* Detail name: drawtraversal */
  89 struct cssrendering_drawtraversal_t_ {
  90         treebase_preordertraversal_t base;
  91         cssmetric_point_t origin;
  92         cssmetric_rectangle_t draw;
  93 };
  94 typedef struct cssrendering_drawtraversal_t_ cssrendering_drawtraversal_t;
  95
  96 /* Functionality name: cssrendering */
  97 /* Detail name: drawtraversal */
  98 /* Data structure identifier: result */
  99 struct cssrendering_drawtraversal_result_ {
 100         enum {
 101                 CSSRENDERING_DRAWTRAVERSAL_RESULTTYPE_TEXT,
 102                 CSSRENDERING_DRAWTRAVERSAL_RESULTTYPE_BLOCK,
 103         } type;
 104         union {
 105                 struct {
 106                         cssmetric_rectangle_t content_edge;
 107                         cssrendering_textfragment_t *fragment;
 108                         VP nodedata;
 109                 } text;
 110                 struct {
 111                         cssmetric_rectangle_t content_edge;
 112                         VP nodedata;
 113                 } block;
 114         } data;
 115 };
 116 typedef struct cssrendering_drawtraversal_result_ cssrendering_drawtraversal_result;
 117
 118 /* Functionality name: cssrendering */
 119 /* Detail name: hittraversal */
 120 struct cssrendering_hittraversal_t_ {
 121         treebase_postordertraversal_t base;
 122         cssmetric_point_t origin;
 123         cssmetric_rectangle_t draw;
 124 };
 125 typedef struct cssrendering_hittraversal_t_ cssrendering_hittraversal_t;
 126
 127 /* Functionality name: cssrendering */
 128 /* Detail name: hittraversal */
 129 /* Data structure identifier: result */
 130 struct cssrendering_hittraversal_result_ {
 131         enum {
 132                 CSSRENDERING_HITTRAVERSAL_RESULTTYPE_BLOCK,
 133                 CSSRENDERING_HITTRAVERSAL_RESULTTYPE_LINE,
 134         } type;
 135         union {
 136                 struct {
 137                         cssmetric_rectangle_t content_edge;
 138                         VP nodedata;
 139                 } line;
 140         } data;
 141 };
 142 typedef struct cssrendering_hittraversal_result_ cssrendering_hittraversal_result;
 143
 144 IMPORT VOID cssrendering_linebox_initialize(cssrendering_linebox_t *box);
 145 IMPORT VOID cssrendering_linebox_finalize(cssrendering_linebox_t *box);
 146 IMPORT cssrendering_linebox_t* cssrendering_linebox_getnextsibling(cssrendering_linebox_t *box);
 147 IMPORT VOID cssrendering_linebox_setuserdata(cssrendering_linebox_t *box, VP data);
 148
 149 IMPORT VOID cssrendering_anonymousbox_initialize(cssrendering_anonymousbox_t *box);
 150 IMPORT VOID cssrendering_anonymousbox_finalize(cssrendering_anonymousbox_t *box);
 151 IMPORT VOID cssrendering_anonymousbox_appendchild(cssrendering_anonymousbox_t *box, cssrendering_linebox_t *child);
 152 IMPORT W cssrendering_anonymousbox_insertbefore(cssrendering_anonymousbox_t *box, cssrendering_linebox_t *child, cssrendering_linebox_t *ref);
 153 IMPORT W cssrendering_anonymousbox_removechild(cssrendering_anonymousbox_t *box, cssrendering_linebox_t *child);
 154 IMPORT cssrendering_linebox_t* cssrendering_anonymousbox_getfirstchild(cssrendering_anonymousbox_t *box);
 155 IMPORT VOID cssrendering_anonymousbox_setuserdata(cssrendering_anonymousbox_t *box, VP data);
 156
 157 IMPORT VOID cssrendering_blockbox_initialize(cssrendering_blockbox_t *box);
 158 IMPORT VOID cssrendering_blockbox_finalize(cssrendering_blockbox_t *box);
 159 IMPORT VOID cssrendering_blockbox_appendanonymouschild(cssrendering_blockbox_t *box, cssrendering_anonymousbox_t *child);
 160 IMPORT VOID cssrendering_blockbox_appendblockchild(cssrendering_blockbox_t *box, cssrendering_blockbox_t *child);
 161 IMPORT VOID cssrendering_blockbox_setuserdata(cssrendering_blockbox_t *box, VP data);
 162
 163 IMPORT VOID cssrendering_drawtraversal_initialize(cssrendering_drawtraversal_t *traversal, cssrendering_blockbox_t *root, cssmetric_rectangle_t draw);
 164 IMPORT VOID cssrendering_drawtraversal_finalize(cssrendering_drawtraversal_t *traversal);
 165 IMPORT Bool cssrendering_drawtraversal_next(cssrendering_drawtraversal_t *traversal, cssrendering_drawtraversal_result *result);
 166
 167 IMPORT VOID cssrendering_hittraversal_initialize(cssrendering_hittraversal_t *traversal, cssrendering_blockbox_t *root, cssmetric_rectangle_t draw);
 168 IMPORT VOID cssrendering_hittraversal_finalize(cssrendering_hittraversal_t *traversal);
 169 IMPORT Bool cssrendering_hittraversal_next(cssrendering_hittraversal_t *traversal, cssrendering_hittraversal_result *result);
 170
 171 #endif