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7ebaf77cdc
image() method to set active image, deimage() method to set inactive image. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@1560 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
//
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// "$Id: Fl_Bitmap.cxx,v 1.5.2.4.2.1 2001/08/05 23:58:54 easysw Exp $"
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//
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// Bitmap drawing routines for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2001 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@fltk.org".
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//
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#include <FL/Fl.H>
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#include <FL/x.H>
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#include <FL/fl_draw.H>
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#include <FL/Fl_Widget.H>
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#include <FL/Fl_Menu_Item.H>
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#include <FL/Fl_Bitmap.H>
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void Fl_Bitmap::draw(int XP, int YP, int WP, int HP, int cx, int cy) {
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// account for current clip region (faster on Irix):
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int X,Y,W,H; fl_clip_box(XP,YP,WP,HP,X,Y,W,H);
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cx += X-XP; cy += Y-YP;
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// clip the box down to the size of image, quit if empty:
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if (cx < 0) {W += cx; X -= cx; cx = 0;}
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if ((cx+W) > w()) W = w()-cx;
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if (W <= 0) return;
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if (cy < 0) {H += cy; Y -= cy; cy = 0;}
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if ((cy+H) > h()) H = h()-cy;
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if (H <= 0) return;
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#ifdef WIN32
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if (!id) {
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// we need to pad the lines out to words & swap the bits
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// in each byte.
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int w1 = (w()+7)/8;
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int w2 = ((w()+15)/16)*2;
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uchar* newarray = new uchar[w2*h()];
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const uchar* src = array;
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uchar* dest = newarray;
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static uchar reverse[16] = /* Bit reversal lookup table */
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{ 0x00, 0x88, 0x44, 0xcc, 0x22, 0xaa, 0x66, 0xee,
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0x11, 0x99, 0x55, 0xdd, 0x33, 0xbb, 0x77, 0xff };
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for (int y=0; y < h(); y++) {
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for (int n = 0; n < w1; n++, src++)
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*dest++ = (reverse[*src & 0x0f] & 0xf0) |
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(reverse[(*src >> 4) & 0x0f] & 0x0f);
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dest += w2-w1;
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}
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id = (ulong)CreateBitmap(w(), h(), 1, 1, newarray);
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array = newarray; // keep the pointer so I can free it later
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}
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HDC tempdc = CreateCompatibleDC(fl_gc);
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SelectObject(tempdc, (HGDIOBJ)id);
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SelectObject(fl_gc, fl_brush());
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// secret bitblt code found in old MSWindows reference manual:
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BitBlt(fl_gc, X, Y, W, H, tempdc, cx, cy, 0xE20746L);
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DeleteDC(tempdc);
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#else
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if (!id) id = XCreateBitmapFromData(fl_display, fl_window,
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(const char*)array, (w()+7)&-8, h());
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XSetStipple(fl_display, fl_gc, id);
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int ox = X-cx; if (ox < 0) ox += w();
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int oy = Y-cy; if (oy < 0) oy += h();
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XSetTSOrigin(fl_display, fl_gc, ox, oy);
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XSetFillStyle(fl_display, fl_gc, FillStippled);
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XFillRectangle(fl_display, fl_window, fl_gc, X, Y, W, H);
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XSetFillStyle(fl_display, fl_gc, FillSolid);
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#endif
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}
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Fl_Bitmap::~Fl_Bitmap() {
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#ifdef WIN32
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if (id) {
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DeleteObject((HGDIOBJ)id);
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delete[] (uchar*)array;
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}
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#else
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if (id) fl_delete_offscreen((Fl_Offscreen)id);
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#endif
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}
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void Fl_Bitmap::label(Fl_Widget* w) {
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w->image(this);
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}
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void Fl_Bitmap::label(Fl_Menu_Item* m) {
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}
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//
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// End of "$Id: Fl_Bitmap.cxx,v 1.5.2.4.2.1 2001/08/05 23:58:54 easysw Exp $".
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//
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