1 /* 2 * Copyright 2003-2015, Haiku. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Adrian Oanca <adioanca@cotty.iren.ro> 7 * Axel Dörfler, axeld@pinc-software.de 8 */ 9 #ifndef VIEW_PRIVATE_H 10 #define VIEW_PRIVATE_H 11 12 13 #include <Font.h> 14 #include <InterfaceDefs.h> 15 #include <Point.h> 16 #include <Rect.h> 17 #include <Region.h> 18 #include <ServerProtocolStructs.h> 19 #include <View.h> 20 21 22 const static uint32 kDeleteReplicant = 'JAHA'; 23 24 const static uint32 kWorkspacesViewFlag = 0x40000000UL; 25 // was/is _B_RESERVED1_ in View.h 26 27 enum { 28 B_VIEW_FONT_BIT = 0x00000001, 29 B_VIEW_HIGH_COLOR_BIT = 0x00000002, 30 B_VIEW_DRAWING_MODE_BIT = 0x00000004, 31 B_VIEW_CLIP_REGION_BIT = 0x00000008, 32 B_VIEW_LINE_MODES_BIT = 0x00000010, 33 B_VIEW_BLENDING_BIT = 0x00000020, 34 B_VIEW_SCALE_BIT = 0x00000040, 35 B_VIEW_FONT_ALIASING_BIT = 0x00000080, 36 B_VIEW_FRAME_BIT = 0x00000100, 37 B_VIEW_ORIGIN_BIT = 0x00000200, 38 B_VIEW_PEN_SIZE_BIT = 0x00000400, 39 B_VIEW_PEN_LOCATION_BIT = 0x00000800, 40 B_VIEW_LOW_COLOR_BIT = 0x00008000, 41 B_VIEW_VIEW_COLOR_BIT = 0x00010000, 42 B_VIEW_PATTERN_BIT = 0x00020000, 43 B_VIEW_TRANSFORM_BIT = 0x00040000, 44 B_VIEW_FILL_RULE_BIT = 0x00080000, 45 46 B_VIEW_ALL_BITS = 0x000fffff, 47 48 // these used for archiving only 49 B_VIEW_RESIZE_BIT = 0x00001000, 50 B_VIEW_FLAGS_BIT = 0x00002000, 51 B_VIEW_EVENT_MASK_BIT = 0x00004000 52 }; 53 54 55 class BView::Private { 56 public: 57 Private(BView* view) 58 : 59 fView(view) 60 { 61 } 62 63 int16 ShowLevel() 64 { return fView->fShowLevel; } 65 66 // defined in View.cpp 67 bool WillLayout(); 68 bool MinMaxValid(); 69 70 BLayoutItem* LayoutItemAt(int32 index); 71 int32 CountLayoutItems(); 72 void RegisterLayoutItem(BLayoutItem* item); 73 void DeregisterLayoutItem(BLayoutItem* item); 74 75 bool RemoveSelf() 76 { return fView->_RemoveSelf(); } 77 78 private: 79 BView* fView; 80 }; 81 82 83 namespace BPrivate { 84 85 86 class PortLink; 87 88 89 class ViewState { 90 public: 91 ViewState(); 92 93 inline bool IsValid(uint32 bit) const; 94 inline bool IsAllValid() const; 95 96 void UpdateServerFontState(BPrivate::PortLink &link); 97 void UpdateServerState(BPrivate::PortLink &link); 98 99 void UpdateFrom(BPrivate::PortLink &link); 100 101 public: 102 BPoint pen_location; 103 float pen_size; 104 105 rgb_color high_color; 106 rgb_color low_color; 107 108 // This one is not affected by pop state/push state 109 rgb_color view_color; 110 111 ::pattern pattern; 112 113 ::drawing_mode drawing_mode; 114 BRegion clipping_region; 115 bool clipping_region_used; 116 117 // transformation 118 BPoint origin; 119 float scale; 120 BAffineTransform transform; 121 122 // line modes 123 join_mode line_join; 124 cap_mode line_cap; 125 float miter_limit; 126 127 // fill rule 128 int32 fill_rule; 129 130 // alpha blending 131 source_alpha alpha_source_mode; 132 alpha_function alpha_function_mode; 133 134 // fonts 135 BFont font; 136 uint16 font_flags; 137 bool font_aliasing; 138 // font aliasing. Used for printing only! 139 140 // flags used for synchronization with app_server 141 uint32 valid_flags; 142 // flags used for archiving 143 uint32 archiving_flags; 144 145 // maintain our own rect as seen from the app while printing 146 BRect print_rect; 147 }; 148 149 150 inline bool 151 ViewState::IsValid(uint32 bit) const 152 { 153 return valid_flags & bit; 154 } 155 156 157 inline bool 158 ViewState::IsAllValid() const 159 { 160 return (valid_flags & B_VIEW_ALL_BITS & ~B_VIEW_CLIP_REGION_BIT) 161 == (B_VIEW_ALL_BITS & ~B_VIEW_CLIP_REGION_BIT); 162 } 163 164 165 } // namespace BPrivate 166 167 168 struct _array_data_{ 169 // the max number of points in the array 170 uint32 maxCount; 171 // the current number of points in the array 172 uint32 count; 173 // the array of points 174 ViewLineArrayInfo* array; 175 }; 176 177 178 #endif /* VIEW_PRIVATE_H */ 179