Mercurial > vba-linux

     1 // PaletteViewControl.cpp : implementation file

     2 //

     3 

     4 #include "stdafx.h"

     5 #include "PaletteViewControl.h"

     6 

     7 #include "../common/Util.h"

     8 

     9 bool PaletteViewControl::isRegistered = false;

    10 

    11 /////////////////////////////////////////////////////////////////////////////

    12 // PaletteViewControl

    13 

    14 PaletteViewControl::PaletteViewControl()

    15 {

    16   memset(&bmpInfo.bmiHeader, 0, sizeof(bmpInfo.bmiHeader));

    17   

    18   bmpInfo.bmiHeader.biSize = sizeof(bmpInfo.bmiHeader);

    19   bmpInfo.bmiHeader.biWidth = 256;

    20   bmpInfo.bmiHeader.biHeight = -256;

    21   bmpInfo.bmiHeader.biPlanes = 1;

    22   bmpInfo.bmiHeader.biBitCount = 24;

    23   bmpInfo.bmiHeader.biCompression = BI_RGB;

    24   data = (u8 *)malloc(3 * 256 * 256);

    25 

    26   w = 256;

    27   h = 256;

    28 

    29   colors = 256;

    30 

    31   paletteAddress = 0;

    32   

    33   ZeroMemory(palette, 512);

    34 

    35   selected = -1;

    36   registerClass();

    37 }

    38 

    39 PaletteViewControl::~PaletteViewControl()

    40 {

    41   if(data)

    42     free(data);

    43 }

    44 

    45 

    46 BEGIN_MESSAGE_MAP(PaletteViewControl, CWnd)

    47   //{{AFX_MSG_MAP(PaletteViewControl)

    48   ON_WM_LBUTTONDOWN()

    49   ON_WM_ERASEBKGND()

    50   ON_WM_PAINT()

    51   //}}AFX_MSG_MAP

    52   END_MESSAGE_MAP()

    53 

    54 

    55   /////////////////////////////////////////////////////////////////////////////

    56 // PaletteViewControl message handlers

    57 

    58 void PaletteViewControl::init(int c, int w, int h)

    59 {

    60   this->w = w;

    61   this->h = h;

    62   this->colors = c;

    63 

    64   bmpInfo.bmiHeader.biWidth = w;

    65   bmpInfo.bmiHeader.biHeight = -h;  

    66 }

    67 

    68 

    69 bool PaletteViewControl::saveAdobe(const char *name)

    70 {

    71   FILE *f = fopen(name, "wb");

    72 

    73   if(!f)

    74     return false;

    75 

    76   for(int i = 0; i < colors; i++) {

    77     u16 c = palette[i];

    78     int r = (c & 0x1f) << 3;

    79     int g = (c & 0x3e0) >> 2;

    80     int b = (c & 0x7c00) >> 7;

    81 

    82     u8 data[3] = { r, g, b };

    83     fwrite(data, 1, 3, f);

    84   }

    85   if(colors < 256) {

    86     for(int i = colors; i < 256; i++) {

    87       u8 data[3] = { 0, 0, 0 };

    88       fwrite(data, 1, 3, f);

    89     }

    90   }

    91   fclose(f);

    92 

    93   return true;

    94 }

    95 

    96 

    97 bool PaletteViewControl::saveMSPAL(const char *name)

    98 {

    99   FILE *f = fopen(name, "wb");

   100 

   101   if(!f)

   102     return false;

   103 

   104   u8 data[4] = { 'R', 'I', 'F', 'F' };

   105 

   106   fwrite(data, 1, 4, f);

   107   utilPutDword(data, 256 * 4 + 16);

   108   fwrite(data, 1, 4, f);

   109   u8 data3[4] = { 'P', 'A', 'L', ' ' };

   110   fwrite(data3, 1, 4, f);

   111   u8 data4[4] = { 'd', 'a', 't', 'a' };

   112   fwrite(data4, 1, 4, f);

   113   utilPutDword(data, 256*4+4);

   114   fwrite(data, 1, 4, f);

   115   utilPutWord(&data[0], 0x0300);

   116   utilPutWord(&data[2], 256); // causes problems if not 16 or 256

   117   fwrite(data, 1, 4, f);

   118   

   119   for(int i = 0; i < colors; i++) {

   120     u16 c = palette[i];

   121     int r = (c & 0x1f) << 3;

   122     int g = (c & 0x3e0) >> 2;

   123     int b = (c & 0x7c00) >> 7;

   124 

   125     u8 data7[4] = { r, g, b, 0 };

   126     fwrite(data7, 1, 4, f);

   127   }

   128   if(colors < 256) {

   129     for(int i = colors; i < 256; i++) {

   130       u8 data7[4] = { 0, 0, 0, 0 };

   131       fwrite(data7, 1, 4, f);

   132     }

   133   }

   134   fclose(f);

   135 

   136   return true;

   137 }

   138 

   139 

   140 bool PaletteViewControl::saveJASCPAL(const char *name)

   141 {

   142   FILE *f = fopen(name, "wb");

   143 

   144   if(!f)

   145     return false;

   146 

   147   fprintf(f, "JASC-PAL\r\n0100\r\n256\r\n");

   148   

   149   for(int i = 0; i < colors; i++) {

   150     u16 c = palette[i];

   151     int r = (c & 0x1f) << 3;

   152     int g = (c & 0x3e0) >> 2;

   153     int b = (c & 0x7c00) >> 7;

   154 

   155     fprintf(f, "%d %d %d\r\n", r, g, b);

   156   }

   157   if(colors < 256) {

   158     for(int i = colors; i < 256; i++)

   159       fprintf(f, "0 0 0\r\n");

   160   }

   161   fclose(f);

   162 

   163   return true;  

   164 }

   165 

   166 void PaletteViewControl::setPaletteAddress(int address)

   167 {

   168   paletteAddress = address;

   169 }

   170 

   171 

   172 void PaletteViewControl::setSelected(int s)

   173 {

   174   selected = s;

   175   InvalidateRect(NULL, FALSE);

   176 }

   177 

   178 

   179 void PaletteViewControl::render(u16 color, int x, int y)

   180 {

   181   u8 *start = data + y*16*w*3 + x*16*3;

   182   int skip = w*3-16*3;

   183 

   184   int r = (color & 0x1f) << 3;

   185   int g = (color & 0x3e0) >> 2;

   186   int b = (color & 0x7c00) >> 7;

   187 

   188   for(int i = 0; i < 16; i++) {

   189     *start++ = b;

   190     *start++ = g;

   191     *start++ = r;

   192 

   193     *start++ = b;

   194     *start++ = g;

   195     *start++ = r;

   196 

   197     *start++ = b;

   198     *start++ = g;

   199     *start++ = r;

   200 

   201     *start++ = b;

   202     *start++ = g;

   203     *start++ = r;

   204 

   205     *start++ = b;

   206     *start++ = g;

   207     *start++ = r;

   208 

   209     *start++ = b;

   210     *start++ = g;

   211     *start++ = r;

   212 

   213     *start++ = b;

   214     *start++ = g;

   215     *start++ = r;

   216 

   217     *start++ = b;

   218     *start++ = g;

   219     *start++ = r;

   220 

   221     *start++ = b;

   222     *start++ = g;

   223     *start++ = r;

   224 

   225     *start++ = b;

   226     *start++ = g;

   227     *start++ = r;

   228 

   229     *start++ = b;

   230     *start++ = g;

   231     *start++ = r;

   232 

   233     *start++ = b;

   234     *start++ = g;

   235     *start++ = r;

   236 

   237     *start++ = b;

   238     *start++ = g;

   239     *start++ = r;

   240 

   241     *start++ = b;

   242     *start++ = g;

   243     *start++ = r;

   244 

   245     *start++ = b;

   246     *start++ = g;

   247     *start++ = r;

   248 

   249     *start++ = b;

   250     *start++ = g;

   251     *start++ = r;

   252     

   253     start += skip;

   254   }

   255 }

   256 

   257 void PaletteViewControl::refresh()

   258 {

   259   updatePalette();

   260   int sw = w/16;

   261   int sh = h/16;

   262   for(int i = 0; i < colors; i++) {

   263     render(palette[i], i & (sw-1), i/sw);

   264   }

   265   InvalidateRect(NULL, FALSE);

   266 }

   267 

   268 void PaletteViewControl::OnLButtonDown(UINT nFlags, CPoint point) 

   269 {

   270   int x = point.x;

   271   int y = point.y;

   272   RECT rect;

   273   GetClientRect(&rect);

   274   int h = rect.bottom - rect.top;

   275   int w = rect.right - rect.left;

   276   int sw = (this->w/16);

   277   int sh = (this->h/16);

   278   int mult = w / sw;

   279   int multY = h / sh;

   280 

   281   setSelected(x/mult + (y/multY)*sw);

   282   

   283   GetParent()->SendMessage(WM_PALINFO,

   284                            palette[x/mult+(y/multY)*sw],

   285                            paletteAddress+(x/mult+(y/multY)*sw));

   286 }

   287 

   288 BOOL PaletteViewControl::OnEraseBkgnd(CDC* pDC) 

   289 {

   290   return TRUE;

   291 }

   292 

   293 

   294 void PaletteViewControl::OnPaint() 

   295 {

   296   CPaintDC dc(this); // device context for painting

   297   

   298   RECT rect;

   299   GetClientRect(&rect);

   300   int w = rect.right - rect.left;

   301   int h = rect.bottom - rect.top;

   302   

   303   CDC memDC;

   304   memDC.CreateCompatibleDC(&dc);

   305   CBitmap bitmap, *pOldBitmap;

   306   bitmap.CreateCompatibleBitmap(&dc, w, h);

   307   pOldBitmap = memDC.SelectObject(&bitmap);

   308   

   309   StretchDIBits(memDC.GetSafeHdc(),

   310                 0,

   311                 0,

   312                 w,

   313                 h,

   314                 0,

   315                 0,

   316                 this->w,

   317                 this->h,

   318                 data,

   319                 &bmpInfo,

   320                 DIB_RGB_COLORS,

   321                 SRCCOPY);

   322   int sw = this->w / 16;

   323   int sh = this->h / 16;

   324   int mult  = w / sw;

   325   int multY = h / sh;

   326   CPen pen;

   327   pen.CreatePen(PS_SOLID, 1, RGB(192,192,192));

   328   CPen *old = memDC.SelectObject(&pen);

   329   int i;

   330   for(i = 1; i < sh; i++) {

   331     memDC.MoveTo(0, i * multY);

   332     memDC.LineTo(w, i * multY);

   333   }

   334   for(i = 1; i < sw; i++) {

   335     memDC.MoveTo(i * mult, 0);

   336     memDC.LineTo(i * mult, h);

   337   }

   338   memDC.DrawEdge(&rect, EDGE_SUNKEN, BF_RECT);

   339   memDC.SelectObject(old);

   340   pen.DeleteObject();

   341 

   342   if(selected != -1) {

   343     pen.CreatePen(PS_SOLID, 2, RGB(255, 0, 0));

   344     old = memDC.SelectObject(&pen);

   345 

   346     int startX = (selected & (sw-1))*mult+1;

   347     int startY = (selected / sw)*multY+1;

   348     int endX = startX + mult-2;

   349     int endY = startY + multY-2;

   350     

   351     memDC.MoveTo(startX, startY);

   352     memDC.LineTo(endX, startY);

   353     memDC.LineTo(endX, endY);

   354     memDC.LineTo(startX, endY);

   355     memDC.LineTo(startX, startY-1);

   356 

   357     memDC.SelectObject(old);

   358     pen.DeleteObject();

   359   }

   360   

   361   dc.BitBlt(0,0,w,h,

   362             &memDC,0,0,SRCCOPY);

   363 

   364   memDC.SelectObject(pOldBitmap);

   365   bitmap.DeleteObject();

   366   memDC.DeleteDC();

   367 }

   368 

   369 void PaletteViewControl::registerClass()

   370 {

   371   if(!isRegistered) {

   372     WNDCLASS wc;

   373     ZeroMemory(&wc, sizeof(wc));

   374     wc.style = CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;

   375     wc.lpfnWndProc = (WNDPROC)::DefWindowProc;

   376     wc.hInstance = AfxGetInstanceHandle();

   377     wc.hCursor = LoadCursor(NULL, IDC_ARROW);

   378     wc.hbrBackground = (HBRUSH )GetStockObject(BLACK_BRUSH);

   379     wc.lpszMenuName = NULL;

   380     wc.lpszClassName = "VbaPaletteViewControl";

   381     AfxRegisterClass(&wc);

   382     isRegistered = true;

   383   }

   384 }
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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