00001 
00002 /*               Episode X
00003 
00004               RETURN OF TXLIB
00005 
00006   War!  The Republic  of Windows  is  under
00007   attack  of  modern   graphics  libraries.
00008   Programmers  of the Galaxy  fight against
00009   SFML, SDL, OpenGL and DirectX.
00010 
00011   But  the more pixels painted,  the lesser
00012   their Force.  Some  programmers  think to
00013   switch to Pascal and Python.
00014 
00015   Being in  utter despair,  princess Organa
00016   calls for anybody could help the Graphics
00017   to get back its Force.
00018 
00019   A long time ago in a galaxy far, far away
00020   a  small  library  called   TXLib   heard
00021   this call ...
00022 */
00023 
00024 #include "TXLib.h"
00025 
00026 HDC CreateSW (const char* source);
00027 
00028 int main()
00029     {
00030     txCreateWindow (GetSystemMetrics (SM_CXSCREEN) / 1.5, GetSystemMetrics (SM_CXSCREEN) / 3.0);
00031     txTextCursor (false);
00032     txBegin();
00033 
00034     HDC sw = CreateSW (__FILE__);
00035     if (!sw) return txMessageBox ("ERROR: File \"" __FILE__ "\" NOT found!"), 1;
00036 
00037     if (_access (__FILE__ ".wav", 0) != 0) return txMessageBox ("ERROR: File \"" __FILE__ ".wav\" NOT found!"), 1;
00038     txPlaySound (__FILE__ ".wav");
00039     txSleep (1000);
00040 
00041     POINT scr = txGetExtent();
00042     POINT sz  = txGetExtent (sw);
00043     
00044     int posY  = ROUND (scr.y * 0.8);
00045 
00046     unsigned time0 = GetTickCount();
00047 
00048     txSetFillColor (TX_BLACK);
00049 
00050     for (double i = 0; i <= sz.y - posY + scr.y && !GetAsyncKeyState (VK_ESCAPE); i += 0.1)
00051         {
00052         txLock();
00053 
00054         txClear();
00055 
00056         for (int y = 0; y <= posY; y++)
00057             {
00058             double t  = 1.0 * y / posY;
00059 
00060             int sizeX = ROUND (t * scr.x * 5/6 + scr.x/6);
00061             int destX = (scr.x - sizeX) / 2;
00062 
00063             int destY = ROUND (y + scr.y - posY);
00064             int srcY  = ROUND ((t+1 - 2 / pow (t+1, 3)) * scr.y + i - scr.y);
00065 
00066             int alpha = ROUND (t * 255);
00067 
00068             Win32::AlphaBlend (txDC(), destX, destY, sizeX, 3, sw, 0, srcY, sz.x, 7,
00069                                BLENDFUNCTION { AC_SRC_OVER, 0, (BYTE) alpha, 0 });
00070             }
00071 
00072         txUnlock();
00073 
00074         txSleep();
00075 
00076         double fps = txGetFPS <50> ();
00077         if (fps <= 0) continue;
00078 
00079         static double fixFps = 0;
00080         if (fixFps <= 0) fixFps = (fps >= 5)? fps : 5;
00081 
00082         char str [128] = "";
00083         _tx_snprintf_s (str, sizeof (str), __FILE__ " - Time %.0fs, FPS %.0f", (GetTickCount() - time0) / 1000.0, fps);
00084         SetWindowText (txWindow(), str);
00085 
00086         i += 1/fixFps * pow (scr.y, 2.53) / 4E5;
00087         }
00088 
00089     txDeleteDC (sw);
00090     }
00091 
00092 #include <sys/stat.h>
00093 
00094 HDC CreateSW (const char* source)
00095     {
00096     struct stat st = {};
00097     if (stat (source, &st) != 0) return NULL;
00098     size_t size = (size_t) st.st_size;
00099 
00100     char* text = new (std::nothrow) char [size + 1] {};
00101     if (!text) return NULL;
00102 
00103     FILE* f = NULL;
00104     fopen_s (&f, source, "r"); if (!f) { delete[] text; return NULL; }
00105     fread (text, size, 1, f);
00106     fclose (f);
00107 
00108     int lines = 1;
00109     for (char* s = strchr (text, '\n'); s; s = strchr (s+1, '\n')) lines++;
00110 
00111     POINT scr  = txGetExtent();
00112     POINT font = { scr.x/45, scr.y/10 };
00113 
00114     HDC   sw = txCreateCompatibleDC (scr.x, scr.y * 2 + font.y * lines);
00115     POINT sz = txGetExtent (sw);
00116 
00117     txSetColor (RGB (235, 180, 60), 1, sw);
00118     txSelectFont ("Lucida Console", font.y, font.x, FW_BOLD, false, false, false, 0, sw);
00119     txDrawText (0, scr.y/1.5, sz.x, sz.y + scr.y, text, 0, sw);
00120 
00121     delete[] text;
00122     text = NULL;
00123 
00124     return sw;
00125     }
00126 
00127 #if !defined (_TX_VER) || (_TX_VER < 0x173a0105)
00128 #error Must use TXLib.h version >= 1.73 and revision >= 105 to compile this.
00129 #error Get up-to-date source from http://storage.ded32.net.ru/Lib/TX/TXUpdate/TXLib.h
00130 #error Or use AutoUpdate from http://sourceforge.net/projects/txlib/files/TXLib/TXLib-Update.rar.exe/download
00131 #endif
00132 
00133 /*******************************************
00134  *
00135  * Source (c) Ded, 2017
00136  * May the Source be with you!
00137  *
00138  * Inspired by LucasFilm and Kirill Acharya.
00139  *
00140  * Music theme by (C) John Willams.
00141  *
00142  * :)
00143  *
00144  *******************************************/
TxSW.cpp
