99 lines
2.9 KiB
C++
Executable File
99 lines
2.9 KiB
C++
Executable File
#define XVT_INCL_NATIVE
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#define STRICT
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#include <colors.h>
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#if XVT_OS == XVT_OS_WIN || XVT_OS == XVT_OS_WIN32
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#include <commdlg.h>
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#endif
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COLOR RGB2COLOR(unsigned char red, unsigned char green, unsigned char blue)
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{
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COLOR def = MAKE_COLOR(red, green, blue);
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// Se nel colore non compare l'indice cerca di calcolarlo
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const unsigned char color_index = (unsigned char)(def >> 12);
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if (color_index <= 0x0 || color_index > 0xF)
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{
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const COLOR native_color[11] = { COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_CYAN,
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COLOR_MAGENTA, COLOR_YELLOW, COLOR_BLACK, COLOR_DKGRAY,
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COLOR_GRAY, COLOR_LTGRAY, COLOR_WHITE };
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def &= 0x00FFFFFF;
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for (int c = 0; c < 11; c++)
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{
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// Confronta solo la terna R,G,B
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if (def == (native_color[c] & 0x00FFFFFF))
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{
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def = native_color[c];
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break;
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}
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}
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}
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return def;
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}
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COLOR choose_color(COLOR col, WINDOW win)
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{
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int ok = FALSE;
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#if XVT_OS == XVT_OS_WIN || XVT_OS == XVT_OS_WIN32
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CHOOSECOLOR cc;
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memset(&cc, 0, sizeof(cc)); // Azzera struttura
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if (win == NULL_WIN) win = TASK_WIN; // Sceglie una finestra valida
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HWND hwnd = (HWND)xvt_vobj_get_attr(win, ATTR_NATIVE_WINDOW);
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HDC hdc = GetDC(hwnd);
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// Legge la palette di sistema
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PALETTEENTRY* pe = NULL;
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int max_entries = 0;
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if (GetDeviceCaps(hdc, RASTERCAPS) & RC_PALETTE)
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{
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max_entries = GetDeviceCaps(hdc, SIZEPALETTE);
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pe = new PALETTEENTRY[max_entries];
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GetSystemPaletteEntries(hdc, 0, max_entries, pe);
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}
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ReleaseDC(hwnd, hdc);
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// Definisce i 16 colori customizzabili
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unsigned long custom_colors[16];
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for (int c = 0; c < 16; c++)
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{
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if (pe)
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{
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const PALETTEENTRY& e = pe[c < 8 ? c : max_entries - 16 + c];
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custom_colors[c] = RGB(e.peRed, e.peGreen, e.peBlue);
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}
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else
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{
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const unsigned char val = (c & 0x8) ? 255 : 127;
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const unsigned char red = (c & 0x1) ? val : 0;
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const unsigned char green = (c & 0x2) ? val : 0;
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const unsigned char blue = (c & 0x4) ? val : 0;
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custom_colors[c] = RGB(red, green, blue);
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}
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}
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if (pe)
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{
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delete pe;
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pe = NULL;
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}
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cc.lStructSize = sizeof(cc); // Setta dimensioni
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cc.hwndOwner = hwnd; // Setta finestra padre
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cc.rgbResult = RGB(XVT_COLOR_GET_RED(c), XVT_COLOR_GET_GREEN(c), XVT_COLOR_GET_BLUE(c));
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cc.lpCustColors = custom_colors; // Fissa colori custom
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cc.Flags = CC_RGBINIT; // Usa col come primo colore
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ok = ChooseColor(&cc) != 0;
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#endif
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if (ok)
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col = RGB2COLOR(GetRValue(cc.rgbResult), GetGValue(cc.rgbResult), GetBValue(cc.rgbResult));
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else
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col = COLOR_INVALID;
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return col;
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} |