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https://github.com/id-Software/Quake-2-Tools.git
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The Quake 2 tools as originally released under the GPL license.
This commit is contained in:
Travis Bradshaw
257
texpaint/win_pal.c
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257
texpaint/win_pal.c
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/*
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===========================================================================
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Copyright (C) 1997-2006 Id Software, Inc.
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This file is part of Quake 2 Tools source code.
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Quake 2 Tools source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake 2 Tools source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake 2 Tools source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "texpaint.h"
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#define PALETTE_WINDOW_CLASS "TPPalette"
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HDC paldc;
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int pal_width, pal_height;
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int blocks_x, blocks_y;
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int selected_index;
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unsigned selected_rgb;
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byte palette[768];
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float SnapAspect (float aspect)
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{
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if (aspect > 128)
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return 256;
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if (aspect > 32)
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return 128;
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if (aspect > 8)
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return 64;
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if (aspect > 2)
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return 32;
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return 16;
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}
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void Pal_SetIndex (int index)
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{
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selected_index = index;
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selected_rgb = palette[index*3] + (palette[index*3+1]<<8) + (palette[index*3+2]<<16);
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InvalidateRect (palettewindow, NULL, false);
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}
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void Pal_Draw (void)
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{
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int x, y;
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float aspect;
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float xs, ys;
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int c;
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if (pal_width < 1 || pal_height < 1)
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return;
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//
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// determine the block arrangement
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//
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if (pal_width > pal_height)
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{
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aspect = SnapAspect (pal_width / pal_height);
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blocks_x = aspect;
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blocks_y = 256/blocks_x;
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}
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else
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{
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aspect = SnapAspect (pal_height / pal_width);
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blocks_y = aspect;
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blocks_x = 256/blocks_y;
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}
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//
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// draw it
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//
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glViewport (0,0,pal_width, pal_height);
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glMatrixMode (GL_PROJECTION);
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glLoadIdentity ();
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glOrtho (0,1,0,1,-100,100);
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glMatrixMode (GL_MODELVIEW);
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glLoadIdentity ();
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glClear (GL_COLOR_BUFFER_BIT);
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glDisable (GL_DEPTH_TEST);
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glDisable (GL_CULL_FACE);
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glDisable (GL_TEXTURE_2D);
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xs = 1.0/blocks_x;
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ys = 1.0/blocks_y;
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for (x=0 ; x<blocks_x ; x++)
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{
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for (y=0 ; y<blocks_y ; y++)
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{
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c = x*blocks_y+(blocks_y-1-y);
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glColor3ubv (palette+c*3);
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glRectf (x*xs, y*ys, (x+1)*xs, (y+1)*ys);
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}
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}
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// highlight the selected texture
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y = selected_index % blocks_y;
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x = selected_index / blocks_y;
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y = blocks_y-1-y;
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glColor3f (0,0,0);
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glRectf ( (x+0.4)*xs, (y+0.4)*ys, (x+0.6)*xs, (y+0.6)*ys);
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}
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void Pal_Click (int x, int y)
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{
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int index;
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x = x*blocks_x/pal_width;
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y = y*blocks_y/pal_height;
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y = blocks_y-1-y;
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index = x*blocks_y + y;
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Pal_SetIndex (index);
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}
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/*
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============
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Palette_WndProc
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============
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*/
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LONG WINAPI Palette_WndProc (
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HWND hWnd,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam)
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{
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LONG lRet = 1;
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int fwKeys, xPos, yPos;
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RECT rect;
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GetClientRect(hWnd, &rect);
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pal_width = rect.right-rect.left;
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pal_height = rect.bottom-rect.top;
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switch (uMsg)
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{
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case WM_CREATE:
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paldc = GetDC(hWnd);
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bSetupPixelFormat(paldc);
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break;
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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BeginPaint(hWnd, &ps);
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if (!wglMakeCurrent( paldc, baseRC ))
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Error ("wglMakeCurrent failed");
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Pal_Draw ();
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EndPaint(hWnd, &ps);
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SwapBuffers(paldc);
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}
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break;
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case WM_MOUSEMOVE:
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if (wParam != MK_LBUTTON)
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break;
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case WM_LBUTTONDOWN:
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if (GetTopWindow(mainwindow) != hWnd)
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BringWindowToTop(hWnd);
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xPos = (short)LOWORD(lParam); // horizontal position of cursor
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yPos = (short)HIWORD(lParam); // vertical position of cursor
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yPos = (int)rect.bottom - 1 - yPos;
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Pal_Click (xPos, yPos);
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break;
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case WM_MBUTTONUP:
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case WM_RBUTTONUP:
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case WM_LBUTTONUP:
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fwKeys = wParam; // key flags
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xPos = (short)LOWORD(lParam); // horizontal position of cursor
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yPos = (short)HIWORD(lParam); // vertical position of cursor
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yPos = (int)rect.bottom - 1 - yPos;
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ReleaseCapture ();
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break;
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case WM_SIZE:
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InvalidateRect(skinwindow, NULL, false);
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break;
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case WM_NCCALCSIZE:// don't let windows copy pixels
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lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
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return WVR_REDRAW;
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case WM_CLOSE:
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/* call destroy window to cleanup and go away */
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DestroyWindow (hWnd);
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break;
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default:
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/* pass all unhandled messages to DefWindowProc */
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lRet = DefWindowProc (hWnd, uMsg, wParam, lParam);
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break;
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}
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/* return 1 if handled message, 0 if not */
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return lRet;
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}
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/*
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==============
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WPal_Create
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==============
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*/
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void WPal_Create (HINSTANCE hInstance)
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{
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WNDCLASS wc;
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/* Register the skin class */
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memset (&wc, 0, sizeof(wc));
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wc.style = 0;
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wc.lpfnWndProc = (WNDPROC)Palette_WndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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wc.hInstance = hInstance;
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wc.hIcon = 0;
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wc.hCursor = LoadCursor (NULL,IDC_ARROW);
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wc.hbrBackground = NULL;
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wc.lpszMenuName = 0;
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wc.lpszClassName = PALETTE_WINDOW_CLASS;
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if (!RegisterClass (&wc) )
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Error ("RegisterClass failed");
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palettewindow = CreateWindow (PALETTE_WINDOW_CLASS ,
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"Palette View",
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QE3_STYLE,
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(int)(screen_width*0.5),
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0,
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(int)(screen_width*0.5),
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(int)(screen_height*.2), // size
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mainwindow, // parent window
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0, // no menu
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hInstance,
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0);
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if (!palettewindow)
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Error ("Couldn't create palettewindow");
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// RestoreWindowState(palettewindow, "palettewindow");
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ShowWindow (palettewindow, SW_SHOWDEFAULT);
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}
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