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annotate src/win32/PaletteViewControl.cpp @ 4:5f6f2134e8ce

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author Robert McIntyre <rlm@mit.edu>
date Sat, 03 Mar 2012 10:35:58 -0600
parents f9f4f1b99eed
children
rev   line source
rlm@1 1 // PaletteViewControl.cpp : implementation file
rlm@1 2 //
rlm@1 3
rlm@1 4 #include "stdafx.h"
rlm@1 5 #include "PaletteViewControl.h"
rlm@1 6
rlm@1 7 #include "../common/Util.h"
rlm@1 8
rlm@1 9 bool PaletteViewControl::isRegistered = false;
rlm@1 10
rlm@1 11 /////////////////////////////////////////////////////////////////////////////
rlm@1 12 // PaletteViewControl
rlm@1 13
rlm@1 14 PaletteViewControl::PaletteViewControl()
rlm@1 15 {
rlm@1 16 memset(&bmpInfo.bmiHeader, 0, sizeof(bmpInfo.bmiHeader));
rlm@1 17
rlm@1 18 bmpInfo.bmiHeader.biSize = sizeof(bmpInfo.bmiHeader);
rlm@1 19 bmpInfo.bmiHeader.biWidth = 256;
rlm@1 20 bmpInfo.bmiHeader.biHeight = -256;
rlm@1 21 bmpInfo.bmiHeader.biPlanes = 1;
rlm@1 22 bmpInfo.bmiHeader.biBitCount = 24;
rlm@1 23 bmpInfo.bmiHeader.biCompression = BI_RGB;
rlm@1 24 data = (u8 *)malloc(3 * 256 * 256);
rlm@1 25
rlm@1 26 w = 256;
rlm@1 27 h = 256;
rlm@1 28
rlm@1 29 colors = 256;
rlm@1 30
rlm@1 31 paletteAddress = 0;
rlm@1 32
rlm@1 33 ZeroMemory(palette, 512);
rlm@1 34
rlm@1 35 selected = -1;
rlm@1 36 registerClass();
rlm@1 37 }
rlm@1 38
rlm@1 39 PaletteViewControl::~PaletteViewControl()
rlm@1 40 {
rlm@1 41 if(data)
rlm@1 42 free(data);
rlm@1 43 }
rlm@1 44
rlm@1 45
rlm@1 46 BEGIN_MESSAGE_MAP(PaletteViewControl, CWnd)
rlm@1 47 //{{AFX_MSG_MAP(PaletteViewControl)
rlm@1 48 ON_WM_LBUTTONDOWN()
rlm@1 49 ON_WM_ERASEBKGND()
rlm@1 50 ON_WM_PAINT()
rlm@1 51 //}}AFX_MSG_MAP
rlm@1 52 END_MESSAGE_MAP()
rlm@1 53
rlm@1 54
rlm@1 55 /////////////////////////////////////////////////////////////////////////////
rlm@1 56 // PaletteViewControl message handlers
rlm@1 57
rlm@1 58 void PaletteViewControl::init(int c, int w, int h)
rlm@1 59 {
rlm@1 60 this->w = w;
rlm@1 61 this->h = h;
rlm@1 62 this->colors = c;
rlm@1 63
rlm@1 64 bmpInfo.bmiHeader.biWidth = w;
rlm@1 65 bmpInfo.bmiHeader.biHeight = -h;
rlm@1 66 }
rlm@1 67
rlm@1 68
rlm@1 69 bool PaletteViewControl::saveAdobe(const char *name)
rlm@1 70 {
rlm@1 71 FILE *f = fopen(name, "wb");
rlm@1 72
rlm@1 73 if(!f)
rlm@1 74 return false;
rlm@1 75
rlm@1 76 for(int i = 0; i < colors; i++) {
rlm@1 77 u16 c = palette[i];
rlm@1 78 int r = (c & 0x1f) << 3;
rlm@1 79 int g = (c & 0x3e0) >> 2;
rlm@1 80 int b = (c & 0x7c00) >> 7;
rlm@1 81
rlm@1 82 u8 data[3] = { r, g, b };
rlm@1 83 fwrite(data, 1, 3, f);
rlm@1 84 }
rlm@1 85 if(colors < 256) {
rlm@1 86 for(int i = colors; i < 256; i++) {
rlm@1 87 u8 data[3] = { 0, 0, 0 };
rlm@1 88 fwrite(data, 1, 3, f);
rlm@1 89 }
rlm@1 90 }
rlm@1 91 fclose(f);
rlm@1 92
rlm@1 93 return true;
rlm@1 94 }
rlm@1 95
rlm@1 96
rlm@1 97 bool PaletteViewControl::saveMSPAL(const char *name)
rlm@1 98 {
rlm@1 99 FILE *f = fopen(name, "wb");
rlm@1 100
rlm@1 101 if(!f)
rlm@1 102 return false;
rlm@1 103
rlm@1 104 u8 data[4] = { 'R', 'I', 'F', 'F' };
rlm@1 105
rlm@1 106 fwrite(data, 1, 4, f);
rlm@1 107 utilPutDword(data, 256 * 4 + 16);
rlm@1 108 fwrite(data, 1, 4, f);
rlm@1 109 u8 data3[4] = { 'P', 'A', 'L', ' ' };
rlm@1 110 fwrite(data3, 1, 4, f);
rlm@1 111 u8 data4[4] = { 'd', 'a', 't', 'a' };
rlm@1 112 fwrite(data4, 1, 4, f);
rlm@1 113 utilPutDword(data, 256*4+4);
rlm@1 114 fwrite(data, 1, 4, f);
rlm@1 115 utilPutWord(&data[0], 0x0300);
rlm@1 116 utilPutWord(&data[2], 256); // causes problems if not 16 or 256
rlm@1 117 fwrite(data, 1, 4, f);
rlm@1 118
rlm@1 119 for(int i = 0; i < colors; i++) {
rlm@1 120 u16 c = palette[i];
rlm@1 121 int r = (c & 0x1f) << 3;
rlm@1 122 int g = (c & 0x3e0) >> 2;
rlm@1 123 int b = (c & 0x7c00) >> 7;
rlm@1 124
rlm@1 125 u8 data7[4] = { r, g, b, 0 };
rlm@1 126 fwrite(data7, 1, 4, f);
rlm@1 127 }
rlm@1 128 if(colors < 256) {
rlm@1 129 for(int i = colors; i < 256; i++) {
rlm@1 130 u8 data7[4] = { 0, 0, 0, 0 };
rlm@1 131 fwrite(data7, 1, 4, f);
rlm@1 132 }
rlm@1 133 }
rlm@1 134 fclose(f);
rlm@1 135
rlm@1 136 return true;
rlm@1 137 }
rlm@1 138
rlm@1 139
rlm@1 140 bool PaletteViewControl::saveJASCPAL(const char *name)
rlm@1 141 {
rlm@1 142 FILE *f = fopen(name, "wb");
rlm@1 143
rlm@1 144 if(!f)
rlm@1 145 return false;
rlm@1 146
rlm@1 147 fprintf(f, "JASC-PAL\r\n0100\r\n256\r\n");
rlm@1 148
rlm@1 149 for(int i = 0; i < colors; i++) {
rlm@1 150 u16 c = palette[i];
rlm@1 151 int r = (c & 0x1f) << 3;
rlm@1 152 int g = (c & 0x3e0) >> 2;
rlm@1 153 int b = (c & 0x7c00) >> 7;
rlm@1 154
rlm@1 155 fprintf(f, "%d %d %d\r\n", r, g, b);
rlm@1 156 }
rlm@1 157 if(colors < 256) {
rlm@1 158 for(int i = colors; i < 256; i++)
rlm@1 159 fprintf(f, "0 0 0\r\n");
rlm@1 160 }
rlm@1 161 fclose(f);
rlm@1 162
rlm@1 163 return true;
rlm@1 164 }
rlm@1 165
rlm@1 166 void PaletteViewControl::setPaletteAddress(int address)
rlm@1 167 {
rlm@1 168 paletteAddress = address;
rlm@1 169 }
rlm@1 170
rlm@1 171
rlm@1 172 void PaletteViewControl::setSelected(int s)
rlm@1 173 {
rlm@1 174 selected = s;
rlm@1 175 InvalidateRect(NULL, FALSE);
rlm@1 176 }
rlm@1 177
rlm@1 178
rlm@1 179 void PaletteViewControl::render(u16 color, int x, int y)
rlm@1 180 {
rlm@1 181 u8 *start = data + y*16*w*3 + x*16*3;
rlm@1 182 int skip = w*3-16*3;
rlm@1 183
rlm@1 184 int r = (color & 0x1f) << 3;
rlm@1 185 int g = (color & 0x3e0) >> 2;
rlm@1 186 int b = (color & 0x7c00) >> 7;
rlm@1 187
rlm@1 188 for(int i = 0; i < 16; i++) {
rlm@1 189 *start++ = b;
rlm@1 190 *start++ = g;
rlm@1 191 *start++ = r;
rlm@1 192
rlm@1 193 *start++ = b;
rlm@1 194 *start++ = g;
rlm@1 195 *start++ = r;
rlm@1 196
rlm@1 197 *start++ = b;
rlm@1 198 *start++ = g;
rlm@1 199 *start++ = r;
rlm@1 200
rlm@1 201 *start++ = b;
rlm@1 202 *start++ = g;
rlm@1 203 *start++ = r;
rlm@1 204
rlm@1 205 *start++ = b;
rlm@1 206 *start++ = g;
rlm@1 207 *start++ = r;
rlm@1 208
rlm@1 209 *start++ = b;
rlm@1 210 *start++ = g;
rlm@1 211 *start++ = r;
rlm@1 212
rlm@1 213 *start++ = b;
rlm@1 214 *start++ = g;
rlm@1 215 *start++ = r;
rlm@1 216
rlm@1 217 *start++ = b;
rlm@1 218 *start++ = g;
rlm@1 219 *start++ = r;
rlm@1 220
rlm@1 221 *start++ = b;
rlm@1 222 *start++ = g;
rlm@1 223 *start++ = r;
rlm@1 224
rlm@1 225 *start++ = b;
rlm@1 226 *start++ = g;
rlm@1 227 *start++ = r;
rlm@1 228
rlm@1 229 *start++ = b;
rlm@1 230 *start++ = g;
rlm@1 231 *start++ = r;
rlm@1 232
rlm@1 233 *start++ = b;
rlm@1 234 *start++ = g;
rlm@1 235 *start++ = r;
rlm@1 236
rlm@1 237 *start++ = b;
rlm@1 238 *start++ = g;
rlm@1 239 *start++ = r;
rlm@1 240
rlm@1 241 *start++ = b;
rlm@1 242 *start++ = g;
rlm@1 243 *start++ = r;
rlm@1 244
rlm@1 245 *start++ = b;
rlm@1 246 *start++ = g;
rlm@1 247 *start++ = r;
rlm@1 248
rlm@1 249 *start++ = b;
rlm@1 250 *start++ = g;
rlm@1 251 *start++ = r;
rlm@1 252
rlm@1 253 start += skip;
rlm@1 254 }
rlm@1 255 }
rlm@1 256
rlm@1 257 void PaletteViewControl::refresh()
rlm@1 258 {
rlm@1 259 updatePalette();
rlm@1 260 int sw = w/16;
rlm@1 261 int sh = h/16;
rlm@1 262 for(int i = 0; i < colors; i++) {
rlm@1 263 render(palette[i], i & (sw-1), i/sw);
rlm@1 264 }
rlm@1 265 InvalidateRect(NULL, FALSE);
rlm@1 266 }
rlm@1 267
rlm@1 268 void PaletteViewControl::OnLButtonDown(UINT nFlags, CPoint point)
rlm@1 269 {
rlm@1 270 int x = point.x;
rlm@1 271 int y = point.y;
rlm@1 272 RECT rect;
rlm@1 273 GetClientRect(&rect);
rlm@1 274 int h = rect.bottom - rect.top;
rlm@1 275 int w = rect.right - rect.left;
rlm@1 276 int sw = (this->w/16);
rlm@1 277 int sh = (this->h/16);
rlm@1 278 int mult = w / sw;
rlm@1 279 int multY = h / sh;
rlm@1 280
rlm@1 281 setSelected(x/mult + (y/multY)*sw);
rlm@1 282
rlm@1 283 GetParent()->SendMessage(WM_PALINFO,
rlm@1 284 palette[x/mult+(y/multY)*sw],
rlm@1 285 paletteAddress+(x/mult+(y/multY)*sw));
rlm@1 286 }
rlm@1 287
rlm@1 288 BOOL PaletteViewControl::OnEraseBkgnd(CDC* pDC)
rlm@1 289 {
rlm@1 290 return TRUE;
rlm@1 291 }
rlm@1 292
rlm@1 293
rlm@1 294 void PaletteViewControl::OnPaint()
rlm@1 295 {
rlm@1 296 CPaintDC dc(this); // device context for painting
rlm@1 297
rlm@1 298 RECT rect;
rlm@1 299 GetClientRect(&rect);
rlm@1 300 int w = rect.right - rect.left;
rlm@1 301 int h = rect.bottom - rect.top;
rlm@1 302
rlm@1 303 CDC memDC;
rlm@1 304 memDC.CreateCompatibleDC(&dc);
rlm@1 305 CBitmap bitmap, *pOldBitmap;
rlm@1 306 bitmap.CreateCompatibleBitmap(&dc, w, h);
rlm@1 307 pOldBitmap = memDC.SelectObject(&bitmap);
rlm@1 308
rlm@1 309 StretchDIBits(memDC.GetSafeHdc(),
rlm@1 310 0,
rlm@1 311 0,
rlm@1 312 w,
rlm@1 313 h,
rlm@1 314 0,
rlm@1 315 0,
rlm@1 316 this->w,
rlm@1 317 this->h,
rlm@1 318 data,
rlm@1 319 &bmpInfo,
rlm@1 320 DIB_RGB_COLORS,
rlm@1 321 SRCCOPY);
rlm@1 322 int sw = this->w / 16;
rlm@1 323 int sh = this->h / 16;
rlm@1 324 int mult = w / sw;
rlm@1 325 int multY = h / sh;
rlm@1 326 CPen pen;
rlm@1 327 pen.CreatePen(PS_SOLID, 1, RGB(192,192,192));
rlm@1 328 CPen *old = memDC.SelectObject(&pen);
rlm@1 329 int i;
rlm@1 330 for(i = 1; i < sh; i++) {
rlm@1 331 memDC.MoveTo(0, i * multY);
rlm@1 332 memDC.LineTo(w, i * multY);
rlm@1 333 }
rlm@1 334 for(i = 1; i < sw; i++) {
rlm@1 335 memDC.MoveTo(i * mult, 0);
rlm@1 336 memDC.LineTo(i * mult, h);
rlm@1 337 }
rlm@1 338 memDC.DrawEdge(&rect, EDGE_SUNKEN, BF_RECT);
rlm@1 339 memDC.SelectObject(old);
rlm@1 340 pen.DeleteObject();
rlm@1 341
rlm@1 342 if(selected != -1) {
rlm@1 343 pen.CreatePen(PS_SOLID, 2, RGB(255, 0, 0));
rlm@1 344 old = memDC.SelectObject(&pen);
rlm@1 345
rlm@1 346 int startX = (selected & (sw-1))*mult+1;
rlm@1 347 int startY = (selected / sw)*multY+1;
rlm@1 348 int endX = startX + mult-2;
rlm@1 349 int endY = startY + multY-2;
rlm@1 350
rlm@1 351 memDC.MoveTo(startX, startY);
rlm@1 352 memDC.LineTo(endX, startY);
rlm@1 353 memDC.LineTo(endX, endY);
rlm@1 354 memDC.LineTo(startX, endY);
rlm@1 355 memDC.LineTo(startX, startY-1);
rlm@1 356
rlm@1 357 memDC.SelectObject(old);
rlm@1 358 pen.DeleteObject();
rlm@1 359 }
rlm@1 360
rlm@1 361 dc.BitBlt(0,0,w,h,
rlm@1 362 &memDC,0,0,SRCCOPY);
rlm@1 363
rlm@1 364 memDC.SelectObject(pOldBitmap);
rlm@1 365 bitmap.DeleteObject();
rlm@1 366 memDC.DeleteDC();
rlm@1 367 }
rlm@1 368
rlm@1 369 void PaletteViewControl::registerClass()
rlm@1 370 {
rlm@1 371 if(!isRegistered) {
rlm@1 372 WNDCLASS wc;
rlm@1 373 ZeroMemory(&wc, sizeof(wc));
rlm@1 374 wc.style = CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
rlm@1 375 wc.lpfnWndProc = (WNDPROC)::DefWindowProc;
rlm@1 376 wc.hInstance = AfxGetInstanceHandle();
rlm@1 377 wc.hCursor = LoadCursor(NULL, IDC_ARROW);
rlm@1 378 wc.hbrBackground = (HBRUSH )GetStockObject(BLACK_BRUSH);
rlm@1 379 wc.lpszMenuName = NULL;
rlm@1 380 wc.lpszClassName = "VbaPaletteViewControl";
rlm@1 381 AfxRegisterClass(&wc);
rlm@1 382 isRegistered = true;
rlm@1 383 }
rlm@1 384 }