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//This file is part of Glest Shared Library (www.glest.org)
//Copyright (C) 2005 Matthias Braun <matze@braunis.de>
//You can redistribute this code 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.
#include "gl_wrap.h"
#include <iostream>
#include <sstream>
#include <stdexcept>
#include <cassert>
#import <Cocoa/Cocoa.h>
#include "opengl.h"
#include "sdl_private.h"
#include "noimpl.h"
#include "util.h"
//#include "window.h"
#include "font.h"
#include <vector>
//#include <SDL_image.h>
#include "leak_dumper.h"
using namespace Shared::Graphics::Gl;
using namespace Shared::Util;
using namespace Shared::Graphics;
namespace Shared{ namespace Platform{
// ======================================
// Global Fcs
// ======================================
BOOL makeDisplayList(GLint listNum, NSImage *theImage)
{
NSBitmapImageRep *bitmap;
int bytesPerRow, pixelsHigh, pixelsWide, samplesPerPixel;
unsigned char *bitmapBytes;
int currentBit, byteValue;
unsigned char *newBuffer, *movingBuffer;
int rowIndex, colIndex;
bitmap = [ NSBitmapImageRep imageRepWithData:[ theImage
TIFFRepresentationUsingCompression:NSTIFFCompressionNone
factor:0 ] ];
pixelsHigh = [ bitmap pixelsHigh ];
pixelsWide = [ bitmap pixelsWide ];
bitmapBytes = [ bitmap bitmapData ];
bytesPerRow = [ bitmap bytesPerRow ];
samplesPerPixel = [ bitmap samplesPerPixel ];
newBuffer = (unsigned char *)calloc( ceil( (float) bytesPerRow / 8.0 ), pixelsHigh );
if( newBuffer == NULL )
{
NSLog(@"Failed to calloc() memory in makeDisplayList()");
return FALSE;
}
movingBuffer = newBuffer;
/*
* Convert the color bitmap into a true bitmap, ie, one bit per pixel. We
* read at last row, write to first row as Cocoa and OpenGL have opposite
* y origins
*/
for( rowIndex = pixelsHigh - 1; rowIndex >= 0; rowIndex-- )
{
currentBit = 0x80;
byteValue = 0;
for( colIndex = 0; colIndex < pixelsWide; colIndex++ )
{
if( bitmapBytes[ rowIndex * bytesPerRow + colIndex * samplesPerPixel ] )
byteValue |= currentBit;
currentBit >>= 1;
if( currentBit == 0 )
{
*movingBuffer++ = byteValue;
currentBit = 0x80;
byteValue = 0;
}
}
/*
* Fill out the last byte; extra is ignored by OpenGL, but each row
* must start on a new byte
*/
if( currentBit != 0x80 )
*movingBuffer++ = byteValue;
}
glNewList( listNum, GL_COMPILE );
glBitmap( pixelsWide, pixelsHigh, 0, 0, pixelsWide, 0, newBuffer );
glEndList();
free( newBuffer );
return TRUE;
}
/*
* Create the set of display lists for the bitmaps
*/
BOOL makeGLDisplayListFirst(unichar first, int count, GLint base, NSFont *font, Shared::Graphics::FontMetrics &metrics)
{
GLint curListIndex;
NSColor *blackColor = [NSColor blackColor];
GLint dListNum;
NSString *currentChar;
unichar currentUnichar;
NSSize charSize;
NSRect charRect;
NSImage *theImage;
BOOL retval;
// float ascent = [font ascender];
// float descent = [font descender];
NSDictionary *attribDict = [ NSDictionary dictionaryWithObjectsAndKeys:
font, NSFontAttributeName,
[NSColor whiteColor],
NSForegroundColorAttributeName,
[NSColor blackColor], NSBackgroundColorAttributeName,
nil ];
// Make sure a list isn't already under construction
glGetIntegerv( GL_LIST_INDEX, &curListIndex );
if( curListIndex != 0 )
{
NSLog(@"Display list already under construction");
return FALSE;
}
// Save pixel unpacking state
glPushClientAttrib( GL_CLIENT_PIXEL_STORE_BIT );
glPixelStorei( GL_UNPACK_SWAP_BYTES, GL_FALSE );
glPixelStorei( GL_UNPACK_LSB_FIRST, GL_FALSE );
glPixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
glPixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
glPixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
glPixelStorei( GL_UNPACK_ALIGNMENT, 1 );
charRect.origin.x = charRect.origin.y = 0;
theImage = [ [ [ NSImage alloc ] initWithSize:NSMakeSize( 0, 0 ) ]
autorelease ];
retval = TRUE;
float fontHeight = metrics.getHeight("W");
float dy;
for( dListNum = base, currentUnichar = first; currentUnichar < first + count;
dListNum++, currentUnichar++ )
{
currentChar = [ NSString stringWithCharacters:¤tUnichar length:1 ];
charSize = [ currentChar sizeWithAttributes:attribDict ];
charRect.size = charSize;
charRect = NSIntegralRect( charRect );
dy = charRect.size.height - fontHeight;
metrics.setWidth(dListNum-base, charRect.size.width);
//metrics.setVirticalOffset(dListNum-base, fontHeight - charRect.size.height);
if( charRect.size.width > 0 && charRect.size.height > 0 )
{
charRect.size.height = fontHeight;
[ theImage setSize:charRect.size ];
[ theImage lockFocus ];
[ [ NSGraphicsContext currentContext ] setShouldAntialias:NO ];
[ blackColor set ];
[ NSBezierPath fillRect:charRect ];
//[ currentChar drawInRect:charRect withAttributes:attribDict ];
[ currentChar drawAtPoint:NSMakePoint(0, 0) withAttributes:attribDict ];
[ theImage unlockFocus ];
if( !makeDisplayList(dListNum, theImage) )
{
retval = FALSE;
break;
}
}
}
glPopClientAttrib();
return retval;
}
void createGlFontBitmaps(uint32 &base, const string &type, int size, int width,
int charCount, Shared::Graphics::FontMetrics &metrics) {
//@FF@ keep the reduction ratio ???
size = (float)size * 0.80;
NSFont *font = [NSFont fontWithName:[NSString stringWithCString:"Arial" encoding:NSUTF8StringEncoding] size:size];
if( font == nil )
NSLog( @"font is nil\n" );
float fontHeight = [font ascender] - [font descender];
metrics.setHeight(fontHeight);
if( !makeGLDisplayListFirst('\0', charCount, base, font, metrics) )
NSLog( @"Didn't make display list\n" );
}
void createGlFontOutlines(uint32 &base, const string &type, int width,
float depth, int charCount, Shared::Graphics::FontMetrics &metrics) {
NOIMPL;
}
}}//end namespace
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