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