1 /* 2 * Copyright 2003-2008, 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 const static uint32 kDeleteReplicant = 'JAHA'; 22 23 const static uint32 kWorkspacesViewFlag = 0x40000000UL; 24 // was/is _B_RESERVED1_ in View.h 25 26 enum { 27 B_VIEW_FONT_BIT = 0x00000001, 28 B_VIEW_HIGH_COLOR_BIT = 0x00000002, 29 B_VIEW_DRAWING_MODE_BIT = 0x00000004, 30 B_VIEW_CLIP_REGION_BIT = 0x00000008, 31 B_VIEW_LINE_MODES_BIT = 0x00000010, 32 B_VIEW_BLENDING_BIT = 0x00000020, 33 B_VIEW_SCALE_BIT = 0x00000040, 34 B_VIEW_FONT_ALIASING_BIT = 0x00000080, 35 B_VIEW_FRAME_BIT = 0x00000100, 36 B_VIEW_ORIGIN_BIT = 0x00000200, 37 B_VIEW_PEN_SIZE_BIT = 0x00000400, 38 B_VIEW_PEN_LOCATION_BIT = 0x00000800, 39 B_VIEW_LOW_COLOR_BIT = 0x00008000, 40 B_VIEW_VIEW_COLOR_BIT = 0x00010000, 41 B_VIEW_PATTERN_BIT = 0x00020000, 42 B_VIEW_TRANSFORM_BIT = 0x00040000, 43 B_VIEW_FILL_RULE_BIT = 0x00080000, 44 45 B_VIEW_ALL_BITS = 0x000fffff, 46 47 // these used for archiving only 48 B_VIEW_RESIZE_BIT = 0x00001000, 49 B_VIEW_FLAGS_BIT = 0x00002000, 50 B_VIEW_EVENT_MASK_BIT = 0x00004000 51 }; 52 53 54 class BView::Private { 55 public: 56 Private(BView* view) 57 : 58 fView(view) 59 { 60 } 61 62 int16 ShowLevel() 63 { 64 return fView->fShowLevel; 65 } 66 67 // defined in View.cpp 68 bool WillLayout(); 69 bool MinMaxValid(); 70 71 BLayoutItem* LayoutItemAt(int32 index); 72 int32 CountLayoutItems(); 73 void RegisterLayoutItem(BLayoutItem* item); 74 void DeregisterLayoutItem(BLayoutItem* item); 75 76 bool RemoveSelf() 77 { 78 return fView->_RemoveSelf(); 79 } 80 81 BView* fView; 82 }; 83 84 85 namespace BPrivate { 86 87 class PortLink; 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 inline bool 150 ViewState::IsValid(uint32 bit) const 151 { 152 return valid_flags & bit; 153 } 154 155 inline bool 156 ViewState::IsAllValid() const 157 { 158 return (valid_flags & B_VIEW_ALL_BITS & ~B_VIEW_CLIP_REGION_BIT) 159 == (B_VIEW_ALL_BITS & ~B_VIEW_CLIP_REGION_BIT); 160 } 161 162 } // namespace BPrivate 163 164 struct _array_data_{ 165 // the max number of points in the array 166 uint32 maxCount; 167 // the current number of points in the array 168 uint32 count; 169 // the array of points 170 ViewLineArrayInfo* array; 171 }; 172 173 #endif /* VIEW_PRIVATE_H */ 174