| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #ifndef _SDL_BView_h |
| 25 | #define _SDL_BView_h |
| 26 | |
| 27 | /* This is the event handling and graphics update portion of SDL_BWin */ |
| 28 | |
| 29 | extern "C" { |
| 30 | #include "../../events/SDL_events_c.h" |
| 31 | }; |
| 32 | |
| 33 | class SDL_BView : public BView |
| 34 | { |
| 35 | public: |
| 36 | SDL_BView(BRect frame) : |
| 37 | BView(frame, "SDL View", B_FOLLOW_ALL_SIDES, |
| 38 | (B_WILL_DRAW|B_FRAME_EVENTS)) { |
| 39 | image = NULL; |
| 40 | xoff = yoff = 0; |
| 41 | SetViewColor(0,0,0,0); |
| 42 | SetHighColor(0,0,0,0); |
| 43 | } |
| 44 | virtual ~SDL_BView() { |
| 45 | SetBitmap(NULL); |
| 46 | } |
| 47 | /* Set drawing offsets for fullscreen mode */ |
| 48 | virtual void SetXYOffset(int x, int y) { |
| 49 | xoff = x; |
| 50 | yoff = y; |
| 51 | } |
| 52 | virtual void GetXYOffset(int &x, int &y) { |
| 53 | x = xoff; |
| 54 | y = yoff; |
| 55 | } |
| 56 | virtual void GetXYOffset(float &x, float &y) { |
| 57 | x = (float)xoff; |
| 58 | y = (float)yoff; |
| 59 | } |
| 60 | /* The view changed size. If it means we're in fullscreen, we |
| 61 | * draw a nice black box in the entire view to get black borders. |
| 62 | */ |
| 63 | virtual void FrameResized(float width, float height) { |
| 64 | BRect bounds; |
| 65 | bounds.top = bounds.left = 0; |
| 66 | bounds.right = width; |
| 67 | bounds.bottom = height; |
| 68 | /* Fill the entire view with black */ |
| 69 | FillRect(bounds, B_SOLID_HIGH); |
| 70 | /* And if there's an image, redraw it. */ |
| 71 | if( image ) { |
| 72 | bounds = image->Bounds(); |
| 73 | Draw(bounds); |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | /* Drawing portion of this complete breakfast. :) */ |
| 78 | virtual void SetBitmap(BBitmap *bitmap) { |
| 79 | if ( image ) { |
| 80 | delete image; |
| 81 | } |
| 82 | image = bitmap; |
| 83 | } |
| 84 | virtual void Draw(BRect updateRect) { |
| 85 | if ( image ) { |
| 86 | if(xoff || yoff) { |
| 87 | BRect dest; |
| 88 | dest.top = updateRect.top + yoff; |
| 89 | dest.left = updateRect.left + xoff; |
| 90 | dest.bottom = updateRect.bottom + yoff; |
| 91 | dest.right = updateRect.right + xoff; |
| 92 | DrawBitmap(image, updateRect, dest); |
| 93 | } else { |
| 94 | DrawBitmap(image, updateRect, updateRect); |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | virtual void DrawAsync(BRect updateRect) { |
| 99 | if(xoff || yoff) { |
| 100 | BRect dest; |
| 101 | dest.top = updateRect.top + yoff; |
| 102 | dest.left = updateRect.left + xoff; |
| 103 | dest.bottom = updateRect.bottom + yoff; |
| 104 | dest.right = updateRect.right + xoff;; |
| 105 | DrawBitmapAsync(image, updateRect, dest); |
| 106 | } else { |
| 107 | DrawBitmapAsync(image, updateRect, updateRect); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | private: |
| 112 | BBitmap *image; |
| 113 | int xoff, yoff; |
| 114 | }; |
| 115 | |
| 116 | #endif /* _SDL_BView_h */ |