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Annotation of kernel/bsd/dev/ppc/kmGraphics.m, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /*
                     26:  * Copyright (c) 1993 NeXT Computer, Inc.  All rights reserved.
                     27:  *
                     28:  * miniMon.c -- Machine-independent mini-monitor.
                     29:  *
                     30:  * HISTORY
                     31:  * 04-Oct-1993         Curtis Galloway at NeXT
                     32:  *     Created.
                     33:  *
                     34:  */
                     35: 
                     36: #import <mach/boolean.h>
                     37: #import <bsd/dev/kmreg_com.h>
                     38: #import "kmFontPriv.h"
                     39: #import "ConsoleSupport.h"
                     40: #import "kmDevice.h"
                     41: #import "TimesItalic14.h"
                     42: 
                     43: #define TEXT_COLOR             KM_COLOR_BLACK
                     44: 
                     45: // in psuedoVGA 640 x 480 coords
                     46: #define XMARGIN                        0
                     47: 
                     48: #define PANELWIDTH     352
                     49: #define PANELHEIGHT    264
                     50: #define TEXTYPOS       (186 + 21)
                     51: 
                     52: #define PANELTOP       ((480 - PANELHEIGHT) / 2)
                     53: #define PANELLEFT      ((640 - PANELWIDTH) / 2)
                     54: 
                     55: #define TEXTBASELINE           (PANELTOP + TEXTYPOS)
                     56: // rect to erase
                     57: #define TEXTTOP                        (PANELTOP + TEXTYPOS - 20)
                     58: #define TEXTLEFT               (PANELLEFT + 16)
                     59: #define TEXTWIDTH              (PANELWIDTH - 32)
                     60: #define TEXTHEIGHT             (PANELHEIGHT - 16 - (TEXTYPOS - 20))
                     61: 
                     62: 
                     63: void
                     64: kmDrawString( IOConsoleInfo *console, char * str )
                     65: {
                     66:        int lines;
                     67:        char lastchar;
                     68:        bitmap_t *bmp;
                     69:        int deflead;
                     70:        const unsigned char *string;
                     71:         font_c_t *fontp = &Times_Italic_14;
                     72:         int xpos, ypos;
                     73: 
                     74:        str = kmLocalizeString(str);
                     75:        
                     76:        for(lines = 0, string = str, lastchar = '\0'; *string; string++) {
                     77:            lastchar = *string;
                     78:            if (lastchar == '\n')
                     79:                lines++;
                     80:        }
                     81:        if (lastchar != '\n')
                     82:            lines++;
                     83:        
                     84:        deflead = fontp->bbx.height + (fontp->bbx.height + 9) / 10;
                     85: 
                     86:         ypos = TEXTBASELINE; // - ((deflead * (lines - 1)) / 2);
                     87: 
                     88:        for (string = str; *string; ) {
                     89:            const char *line;
                     90:            int len;
                     91:            
                     92:            /* Center this line */
                     93:            for (line = string, len = 0; *line && (*line != '\n'); line++) {
                     94:                 bmp = &fontp->bitmaps[(*line) - ENCODEBASE];
                     95:                len += bmp->dwidth;
                     96:            }
                     97:             xpos = XMARGIN - len / 2;
                     98: 
                     99:            for (; *string; string++) {
                    100:                if (*string == '\n') {
                    101:                    string++;
                    102:                    break;
                    103:                }
                    104:                 bmp = &fontp->bitmaps[(*string) - ENCODEBASE];
                    105:                 BltPSBitmap( console, xpos, ypos, bmp, fontp->bits, TEXT_COLOR);
                    106:                 xpos += bmp->dwidth;
                    107:            }
                    108:            ypos += deflead;
                    109:        }
                    110: }
                    111: 
                    112: @implementation kmDevice (KmGraphics)
                    113: 
                    114: - (void)graphicPanelString:(char *)str
                    115: {
                    116:     struct km_drawrect rect;
                    117: 
                    118:     if (fbMode != SCM_GRAPHIC)
                    119:         return;
                    120: 
                    121:     rect.width = TEXTWIDTH;
                    122:     rect.height = TEXTHEIGHT;
                    123:     rect.x = TEXTLEFT;
                    124:     rect.y = TEXTTOP;
                    125:     rect.data.fill = (void *) KM_COLOR_LTGRAY;
                    126:     (void)(*fbp[FB_DEV_NORMAL]->EraseRect)(fbp[FB_DEV_NORMAL], &rect);
                    127: 
                    128:     kmDrawString( fbp[FB_DEV_NORMAL], str);
                    129: }
                    130: 
                    131: - (void)drawGraphicPanel:(GraphicPanelType) panelType
                    132: {
                    133: }
                    134: 
                    135: @end

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