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31
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1 /*
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2 * Copyright (c) 2004-2006 Kazunori "jagarl" Ueno
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3 * All rights reserved.
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4 *
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions
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7 * are met:
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8 * 1. Redistributions of source code must retain the above copyright
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9 * notice, this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright
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11 * notice, this list of conditions and the following disclaimer in the
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12 * documentation and/or other materials provided with the distribution.
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13 * 3. The name of the author may not be used to endorse or promote products
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14 * derived from this software without specific prior written permission.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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26 */
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27
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0
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28 #ifndef __PICTURE__
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29 #define __PICTURE__
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30
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31 #include<vector>
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32 #include<list>
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33 #ifdef HAVE_CONFIG_H
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34 # include "config.h"
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35 #endif
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36
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37 class PicBase;
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38 class PicContainer;
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39 class PicRoot;
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40
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41 class Surface;
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42
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43 namespace Event {
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44 class Video;
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45 }
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46
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47 /* PicBase の内容をイベントと連動させるためのインターフェース */
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48 class PicAnm {
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49 public:
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50 typedef std::vector<PicBase*>::iterator iterator;
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51 std::vector<PicBase*> pic;
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52 PicAnm(PicBase* pic);
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53 PicAnm(std::vector<PicBase*> pic);
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54 virtual ~PicAnm();
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55 };
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56
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57 class PicBase {
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58 friend class PicContainer;
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59 friend class PicWidget;
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60
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61 typedef std::list<PicBase*> List;
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62 typedef std::list<PicBase*>::iterator iterator;
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63
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64 PicContainer* parent;
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65 class PicWidget* widget;
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66 Rect rel_pos; // relative position to the parent
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67 Rect rel_solid_area; // solid area(not alpha-blended) to the parent
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68 Rect clip_area; // clip area on the parent
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69 bool is_hidden;
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70 bool is_hidden_now;
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71 bool is_cached;
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72 public:
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73 enum { /*MOBILE=1,*/ CACHE_BACK=2, /* CACHE_SELF=4,*/ NO_PICTURE=8, SOLID = 16, SURFACE_FREE = 32, FIT_SURFACE = 64, BLIT_SATURATE = 128, BLIT_MULTIPLY = 256, ALPHA_FREE=512};
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74 private:
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75 int attribute;
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76
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77 PicRoot* root;
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78 iterator z_pos;
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79 int surface_x, surface_y, surface_w, surface_h;
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80 Surface* surface_back;
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81 Surface* surface_own;
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82 const unsigned char* surface_alpha;
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83 Rect surface_alpha_rect;
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84 int distance_root;
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85
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86 void Blit(const Rect& rpos);
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87 void Blit(void) {
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88 is_cached = true;
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89 Blit(Rect(0, 0, rel_pos.width(), rel_pos.height()));
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90 }
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91 /*
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92 ** rpos : relative position to the widget
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93 ** ppos : relative position to the parent
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94 ** ppos = parent_pos(rpos)
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95 ** rpos = child_pos(ppos, parent->this_widget)
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96 ** cpos : relative position to a child widget
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97 ** cpos = child_pos(rpos, a_child_widget)
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98 ** apos : absolute position in the screen
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99 ** apos = QueryAbsPos(rpos);
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100 ** or
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101 ** Rect ppos = rel_pos;
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102 ** apos = parent->QueryAbsPos(ppos);
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103 ** the latter form is used for 'rel_pos',
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104 ** because rel_pos is defined as the relative position to the parent
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105 */
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106 Rect QueryAbsPos(Rect& ppos); // この picture 内の rel_pos を表示するのに実際に必要な絶対座標を得る
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107
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108 static Rect child_pos(Rect rpos, PicBase* child) { /* return 'cpos' */
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109 rpos.intersect(child->rel_pos);
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110 rpos.rmove( -(child->rel_pos.lx), -(child->rel_pos.ty));
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111 return rpos;
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112 }
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113 Rect parent_pos(Rect rpos) { /* return 'ppos' */
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114 rpos.rmove(rel_pos.lx, rel_pos.ty);
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115 rpos.intersect(rel_pos);
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116 return rpos;
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117 }
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118 void SetEventWidget(class PicWidget* widget);
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119 public:
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120 PicBase(const Rect& rel_pos, PicContainer* parent, int attr);
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121 virtual ~PicBase();
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122 void InitRoot(PicRoot* r) { root = r;} // only called from PicRoot::PicRoot
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123
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124 void ReBlit(const Rect& rpos);
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125 void ReBlit(void) { ReBlit(Rect(0, 0, rel_pos.width(), rel_pos.height()));}
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126 void ExecReBlit(const Rect& rpos);
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127 void SimpleBlit(Surface* screen);
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128
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129 virtual void RMove(int add_x, int add_y);
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130 void Move(int new_rx, int new_ry);
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131 #define ZMOVE_TOP ((PicBase*)0xffff00ff) /* 最前面へ */
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132 #define ZMOVE_BOTTOM ((PicBase*)0xffff0fff) /* 最背面へ */
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133 void ZMove(PicBase* back); // back の前に移動(back と自分は同じ親を持つこと)
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134
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135 void SetSurface(Surface* new_surface, int x, int y, int attribute = 0);
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136 void SetSurface(const char* new_surface, int x, int y);
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137 void SetSurfacePos(int x, int y);
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138 int SurfacePosX(void);
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139 int SurfacePosY(void);
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140 void SetSurfaceRect(const Rect& r);
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141 void SetSurfaceAlpha(const unsigned char* alpha, const Rect& rect);
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142 void SetSurfaceAlphaFile(const char* file);
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143 void SetSurfaceColorKey(int r, int g, int b);
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144 void SetSurfaceAttribute(int attribute);
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145 void SetSurfaceFreeFlag(bool flag=true);
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146 void SetClipArea(const Rect& r);
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147
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148 void hide(void);
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149 void show_all(void);
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150 void show(void);
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151
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152 int PosX(void) const { return rel_pos.lx;}
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153 int PosY(void) const { return rel_pos.ty;}
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154 int Width(void) const { return rel_pos.width();}
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155 int Height(void) const { return rel_pos.height();}
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156 int DistanceRoot(void) const { return distance_root; }
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157 bool IsHidden(void) { return is_hidden_now;}
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158 bool IsParent(PicBase* pic);
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159
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160 std::vector<PicAnm*> anm;
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161 void ClearAnm(void);
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162 };
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163
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164 class PicContainer : public PicBase {
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165 friend class PicBase;
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166
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167 void BlitBack(iterator z, Rect rpos); // z より後ろの領域を描画
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168 void BlitFront(iterator z, Rect rpos); // z を含め、zより前の領域を描画
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169 void BlitChildren(Rect rpos);
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170 void BlitSelf(Rect rpos);
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171 void BlitSelf(void) {
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172 is_cached = true;
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173 BlitSelf(Rect(0, 0, rel_pos.width(), rel_pos.height()));
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174 }
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175 public:
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176 List children;
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177 private:
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178
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179 void set_showflag(void);
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180 void set_nowhiddenflag(bool is_hide);
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181 public:
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182 PicContainer(const Rect& rel_pos, PicContainer* parent, int attr);
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183 ~PicContainer();
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184 PicBase* create_leaf(const Rect& rel_pos, int attr);
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185 PicContainer* create_node(const Rect& rel_pos, int attr);
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186 PicRoot& Root(void) { return *root;}
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187 void RMove(int add_x, int add_y);
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188 };
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189
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190 typedef enum { NO_MASK, ALPHA_MASK, COLOR_MASK} MaskType;
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191 struct PicRoot {
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192 class PicContainer* root;
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193 private:
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194 class FileToSurface* ftosurface;
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195 struct UpdateItem {
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196 PicBase* pic;
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197 Rect rpos;
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198 Rect apos;
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199 static bool less(const UpdateItem&, const UpdateItem&);
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200 UpdateItem(PicBase* p, const Rect& _rpos, const Rect& _apos) : pic(p), rpos(_rpos), apos(_apos) {}
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201 };
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202 std::vector<UpdateItem> update_rects;
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203
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204 friend class FileToSurface;
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205 void DeleteSurfaceImpl(Surface* s) const;
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206 public:
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207 void Update(PicBase* pic, const Rect& rpos, const Rect& apos);
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208 void DeleteUpdatePic(PicBase* pic);
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209 void ExecUpdate(void);
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210 void SetWindowCaption(const char* caption);
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211
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212 // Surface 操作
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213 Surface* NewSurfaceFromRGBAData(int w, int h, char* data, MaskType with_mask) const; // data は malloc されたものであること(SDLの内部仕様)
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214 Surface* NewSurface(int w, int h, MaskType with_mask) const;
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215 Surface* NewSurface(const char* filename, MaskType with_mask = ALPHA_MASK);
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216 Surface* RotZoomSurface(Surface* from, double zoom, double rotate_angle);
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217 void DeleteSurface(Surface* s);
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218 void BlitSurface(Surface* src, const Rect& src_rpos, const unsigned char* alpha, const Rect& alpha_r, Surface* dest, const Rect& dest_rpos, int attribute) const;
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219 void BlitSurface(Surface* src, const Rect& src_rpos, Surface* dest, const Rect& dest_rpos) const {
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220 BlitSurface(src, src_rpos, 0, Rect(0,0), dest, dest_rpos, 0);
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221 }
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222 static bool with_mask(Surface* src);
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223
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224 Surface* surface;
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225 Surface* hw_surface;
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226 int width, height;
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227 PicRoot(void);
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228 ~PicRoot();
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229 PicBase* create_leaf(const Rect& apos, int attr) {
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230 return root->create_leaf(apos, attr);
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231 }
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232 PicContainer* create_node(const Rect& apos, int attr) {
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233 return root->create_node(apos, attr);
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234 }
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235 };
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236
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237 class PicWidget {
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238 PicBase* pic; /* 本来継承するべきだが、遅延初期化したいので instance */
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239 public:
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240 PicWidget(void);
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241 virtual ~PicWidget();
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242 void SetPic(PicBase* new_pic);
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243 PicBase* Pic(void);
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244 PicContainer* PicNode(void);
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245 virtual void activate(void);
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246 virtual void deactivate(void);
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247 virtual void SetRegion(const Rect& apos);
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248 void show(void);
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249 void hide(void);
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250 void show_all(void);
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251 };
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252
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253 #endif /* PICTURE */
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