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Diffstat (limited to 'nGenEx/Screen.cpp')
| -rw-r--r-- | nGenEx/Screen.cpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/nGenEx/Screen.cpp b/nGenEx/Screen.cpp new file mode 100644 index 0000000..8361216 --- /dev/null +++ b/nGenEx/Screen.cpp @@ -0,0 +1,186 @@ +/* Starshatter OpenSource Distribution + Copyright (c) 1997-2004, Destroyer Studios LLC. + All Rights Reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + * Neither the name "Destroyer Studios" nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + SUBSYSTEM: nGenEx.lib + FILE: Screen.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + General Screen class - maintains and displays a list of windows +*/ + +#include "MemDebug.h" +#include "Screen.h" +#include "Bitmap.h" +#include "Color.h" +#include "Window.h" +#include "Mouse.h" +#include "Pcx.h" +#include "Video.h" + +// +--------------------------------------------------------------------+ + +Screen::Screen(Video* v) +: width(0), height(0), video(v), clear(0), closed(0) +{ + if (video) { + width = video->Width(); + height = video->Height(); + } + + Mouse::Create(this); +} + +Screen::~Screen() +{ + Mouse::Close(); + + closed = 1; + window_list.destroy(); +} + +// +--------------------------------------------------------------------+ + +bool +Screen::AddWindow(Window* c) +{ + if (!c || closed) return false; + + if (c->X() < 0) return false; + if (c->Y() < 0) return false; + if (c->X() + c->Width() > Width()) return false; + if (c->Y() + c->Height() > Height()) return false; + + if (!window_list.contains(c)) + window_list.append(c); + + return true; +} + +bool +Screen::DelWindow(Window* c) +{ + if (!c || closed) return false; + + return window_list.remove(c) == c; +} + +// +--------------------------------------------------------------------+ + +void +Screen::ClearAllFrames(bool clear_all) +{ + if (clear_all) + clear = -1; + else + clear = 0; +} + +void +Screen::ClearNextFrames(int num_frames) +{ + if (clear >= 0 && clear < num_frames) + clear = num_frames; +} + +// +--------------------------------------------------------------------+ + +bool +Screen::SetBackgroundColor(Color c) +{ + if (video) + return video->SetBackgroundColor(c); + else + return false; +} + +// +--------------------------------------------------------------------+ + +bool +Screen::Resize(int w, int h) +{ + // scale all root-level windows to new screen size: + + ListIter<Window> iter = window_list; + while (++iter) { + Window* win = iter.value(); + Rect tmprect = win->GetRect(); + + double w_x = tmprect.x / (double) width; + double w_y = tmprect.y / (double) height; + double w_w = tmprect.w / (double) width; + double w_h = tmprect.h / (double) height; + + Rect r; + + r.x = (int) (w_x * w); + r.y = (int) (w_y * h); + r.w = (int) (w_w * w); + r.h = (int) (w_h * h); + + win->MoveTo(r); + } + + width = w; + height = h; + + return true; +} + +// +--------------------------------------------------------------------+ + +bool +Screen::Refresh() +{ + if (clear && !video->ClearAll()) + return false; + + video->StartFrame(); + + ListIter<Window> iter = window_list; + while (++iter) { + Window* win = iter.value(); + + if (win->IsShown()) { + win->Paint(); + } + } + + Mouse::Paint(); + + video->EndFrame(); + + if (clear > 0) clear--; + return true; +} + + + + |