--- /dev/null
+/*[
+ * Copyright 1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley
+ *
+ * Permission to use, copy, and distribute this software and its
+ * documentation for any purpose with or without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.
+ *
+ * Permission to modify the software is granted, but not the right to
+ * distribute the complete modified source code. Modifications are to
+ * be distributed as patches to the released version. Permission to
+ * distribute binaries produced by compiling modified sources is granted,
+ * provided you
+ * 1. distribute the corresponding source modifications from the
+ * released version in the form of a patch file along with the binaries,
+ * 2. add special version identification to distinguish your version
+ * in addition to the base release version number,
+ * 3. provide your name and address as the primary contact for the
+ * support of your modified version, and
+ * 4. retain our contact information in regard to use of the base
+ * software.
+ * Permission to distribute the released version of the source code along
+ * with corresponding source modifications in the form of a patch file is
+ * granted with same provisions 2 through 4 for binary distributions.
+ *
+ * This software is provided "as is" without express or implied warranty
+ * to the extent permitted by applicable law.
+]*/
+
+#ifndef GPBitmap_h
+#define GPBitmap_h
+
+#include <SupportDefs.h>
+#include <GraphicsDefs.h>
+#include <List.h>
+#include <Bitmap.h>
+#include <Rect.h>
+
+#define bmsgZoomIn 'zmin'
+#define bmsgZoomOut 'zmot'
+#define bmsgSetScale 'zset'
+
+class GPBitmap {
+
+ protected:
+
+ BView * m_view;
+ BList m_editors;
+ BBitmap * m_bitmap;
+ BBitmap * m_bufbitmap;
+ sem_id m_readerLock;
+ rgb_color colors[16];
+ bool m_needRedraw;
+ bool m_redrawing;
+ thread_id drawing_thread;
+
+ public:
+ float width, height, nwidth, nheight, pointsize, xscale, yscale;
+ int32 ncommands, max_commands;
+ int cx, cy;
+ char ** commands;
+
+//int gX = 100, gY = 100;
+//unsigned int gW = 640, gH = 450;
+
+ GPBitmap(float width, float height);
+ GPBitmap(float width, float height, char **cmds);
+ ~GPBitmap();
+
+ BBitmap * RealBitmap() { return m_bitmap; };
+
+ void Lock() { m_bitmap->Lock(); };
+ void Unlock() { m_bitmap->Unlock(); };
+
+ BRect Bounds() { return m_bitmap->Bounds(); };
+ void * Bits() { return m_bitmap->Bits(); };
+ color_space ColorSpace() { return m_bitmap->ColorSpace(); };
+ int32 BitsLength() { return m_bitmap->BitsLength(); };
+ int32 BytesPerRow() { return m_bitmap->BytesPerRow(); };
+
+ BView * View() { return m_view; };
+ void SetDirty(BRegion *r);
+
+ void ResizeTo(float width, float height, uint32 btns);
+
+ rgb_color PixelAtRGB(int x, int y) {
+ rgb_color c = *((rgb_color*)(((char*)Bits()) + x*4 + y*BytesPerRow()));
+ return c;
+ };
+
+ int32 drawing_loop(void *data);
+ void addCommand(char *cmd);
+ void addCommands(BMessage *msg, int32 numCmds);
+ void clearCommands();
+ void display(float v_width, float v_height);
+ void doDiamond(int x, int y, int px, int py);
+ void doPlus(int x, int y, int px, int py);
+ void doBox(int x, int y, int px, int py);
+ void doCross(int x, int y, int px, int py);
+ void doTriangle(int x, int y, int px, int py);
+ void doStar(int x, int y, int px, int py);
+ void doDot(int x, int y);
+
+inline float X(int x) { return x * xscale; };
+inline float Y(int y) { return (4095-(y)) * yscale; }
+};
+
+#ifndef LEFT
+#define LEFT 0
+#endif
+#ifndef CENTRE
+#define CENTRE 1
+#endif
+#ifndef RIGHT
+#define RIGHT 2
+#endif
+
+#endif