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259 | daniel-mar | 1 | /* |
2 | This file is part of a common library |
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3 | Copyright (C) 1990-2006 Toby Thain, toby@telegraphics.com.au |
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4 | |||
5 | This program is free software; you can redistribute it and/or modify |
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6 | it under the terms of the GNU General Public License as published by |
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7 | the Free Software Foundation; either version 2 of the License, or |
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8 | (at your option) any later version. |
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9 | |||
10 | This program is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 | */ |
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19 | |||
20 | #include <quickdraw.h> |
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21 | #include <fonts.h> |
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22 | #include <gestalt.h> |
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23 | #include <stdlib.h> // abs() |
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24 | |||
25 | #include "qd.h" |
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26 | #include "misc-mac.h" |
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27 | |||
28 | |||
29 | #if ! TARGET_API_MAC_CARBON |
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30 | #ifndef __MWERKS__ |
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31 | QDGlobals qd; |
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32 | #endif |
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33 | #endif |
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34 | |||
35 | #if !OPAQUE_TOOLBOX_STRUCTS |
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36 | void decompose_region(RgnHandle rgn,void (*func)(Rect*)){ |
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37 | enum{FLAG=32767}; |
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38 | Boolean f; |
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39 | short *p,*q,*r,*l1,*l2,*t,list1[100],list2[100],last_top,cur_top; |
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40 | RgnHandle temp_rgn; |
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41 | |||
42 | CopyRgn(rgn,temp_rgn = NewRgn()); |
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43 | f = true; |
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44 | l1 = list1; |
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45 | l2 = list2; |
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46 | HLock((Handle)temp_rgn); |
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47 | if(GetHandleSize((Handle)temp_rgn) == sizeof(Region)) |
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48 | (*func)(&(*temp_rgn)->rgnBBox); |
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49 | else |
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50 | for(p=(short*)((char*)*temp_rgn+sizeof(Region));*p != FLAG;){ |
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51 | cur_top = *p++; |
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52 | if(f){ |
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53 | f = false; |
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54 | q = l1; |
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55 | while((*q++ = *p++)!=FLAG) |
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56 | ; |
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57 | }else{ Rect rct; |
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58 | rct.top = last_top; |
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59 | rct.bottom = cur_top; |
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60 | for(q = l1;*q != FLAG;q += 2){ |
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61 | rct.left = q[0]; |
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62 | rct.right = q[1]; |
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63 | (*func)(&rct); |
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64 | } |
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65 | |||
66 | q = l1; |
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67 | r = l2; |
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68 | for(;;) |
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69 | if(*q<*p) |
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70 | *r++ = *q++; |
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71 | else if(*q>*p) |
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72 | *r++ = *p++; |
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73 | else if(*p++ == FLAG){ |
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74 | *r = FLAG; |
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75 | break; |
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76 | }else q++; |
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77 | |||
78 | t = l1; |
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79 | l1 = l2; |
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80 | l2 = t; |
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81 | } |
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82 | last_top = cur_top; |
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83 | } |
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84 | DisposeRgn(temp_rgn); |
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85 | } |
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86 | #endif |
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87 | |||
88 | Fixed fractional_width(unsigned char *s){ |
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89 | FMetricRec theMetrics; |
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90 | Fixed *t,w; |
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91 | |||
92 | FontMetrics(&theMetrics); |
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93 | t = ((WidthTable*)*theMetrics.wTabHandle)->tabData; |
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94 | for(w=0;*s;) |
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95 | w += t[*s++]; |
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96 | return w; |
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97 | } |
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98 | |||
99 | void rect2g(Rect *r){ |
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100 | LocalToGlobal(&TOPLEFT(*r)); |
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101 | LocalToGlobal(&BOTRIGHT(*r)); |
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102 | } |
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103 | |||
104 | void rgn2g(RgnHandle rgn){ Point o = {0,0}; |
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105 | LocalToGlobal(&o); |
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106 | OffsetRgn(rgn,o.h,o.v); |
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107 | } |
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108 | |||
109 | void dashed_lineto(short h,short v){ |
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110 | PenState ps; |
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111 | static Pattern p[] = {{0,255,0,255,0,255,0,255},{170,170,170,170,170,170,170,170}}; |
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112 | |||
113 | GetPenState(&ps); |
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114 | PenPat(&p[(abs(ps.pnLoc.h - h) > abs(ps.pnLoc.v - v))]); |
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115 | LineTo(h,v); |
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116 | SetPenState(&ps); |
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117 | MoveTo(h,v); |
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118 | } |
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119 | |||
120 | Boolean only_greys(CTabHandle ct){ ColorSpec *cs; long i; |
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121 | for(i=(*ct)->ctSize+1,cs=(*ct)->ctTable;i--;cs++) |
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122 | if(cs->rgb.red != cs->rgb.green || cs->rgb.green != cs->rgb.blue) |
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123 | return false; |
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124 | return true; |
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125 | } |
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126 | |||
127 | Boolean has_colour_QD(void){ |
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128 | // SysEnvRec w; |
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129 | // return !SysEnvirons(curSysEnvVers,&w) && w.hasColorQD; // works without Gestalt |
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130 | return gestalt_attr(gestaltQuickdrawFeatures,gestaltHasColor); |
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131 | } |