1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
unit ImageForm;
{***********************************************************
Project: C-evo External Map Generator
Copyright: 1999-2024 P Blackman
License: GPLv3+
Code for ImageForm.lfm
***********************************************************}
interface
uses
LCLIntf, LCLType, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ExtCtrls, CevoMap, Menus;
type
TFrmImage = class(TForm)
PopupMenu1: TPopupMenu;
SavetoJpeg: TMenuItem;
SDJpeg: TSaveDialog;
procedure SavetoJpegClick;
procedure FormPaint;
procedure FormOnShow;
private
fmult: Integer;
fscroll: Integer;
bmp: TBitmap;
public
procedure DisplayMap(Mymap: TMap; Mult: Integer);
procedure Init(W, H, Mult: Integer);
property scroll: Integer read fscroll write fscroll;
destructor Destroy; override;
end;
var
FrmImage: TFrmImage;
implementation uses System.UITypes, MapTiles;
{$R *.lfm}
procedure TFrmImage.Init(W, H, Mult: Integer);
begin
fmult := Mult;
Clientwidth := 2*W*Mult;
Clientheight := H*Mult;
if Mult > 0 then
Show;
if bmp <> nil then
bmp.Free;
bmp := TBitMap.Create;
bmp.Height := Clientheight;
bmp.Width := Clientwidth;
end;
procedure TFrmImage.DisplayMap(Mymap: TMap; Mult: Integer);
var Wid, Hgt,
offset: Integer;
procedure Doasquare(WS, H: Integer);
var R: tterrain;
Wm: Integer;
// Draw one Tile box in given color
procedure SetColor(Color: TColor);
var X, Y, bmpX, bmpY: Integer;
begin
for Y := 0 to fmult-1 do
begin
bmpY := (Hgt-1)*fmult+Y;
if (offset = 0) OR (Wid <> MyMap.Width) then
for X := 0 to fmult*2-1 do
begin
bmpX := (Wid-1)*fmult*2+X+offset;
bmp.Canvas.Pixels[bmpX, bmpY] := Color;
end
else
// This Tile split, one half at each end
for X := 0 to fmult-1 do
begin
bmpX := (Wid-1)*fmult*2+X+offset;
bmp.Canvas.Pixels[X, bmpY] := Color;
bmp.Canvas.Pixels[bmpX, bmpY] := Color;
end;
end;
end;
begin
// Allow for horizontal scroll
Wm := 1+(WS + fscroll) MOD MyMap.Width;
R := MyMap.GetTerrain(Wm, H);
if (R = Ocean) OR (R = Coast) then
SetColor(clBlue)
else
if Mymap.Tiles[Wm,H].River then
SetColor(clAqua)
else
case R of
Desert: SetColor(clRed);
Prairie: SetColor(clYellow);
Grass: SetColor(clLime);
Forest: SetColor(clGreen);
Hills: SetColor(clOlive);
Mountain: SetColor(clLtGray);
Tundra: SetColor(clDkGray);
Arctic: SetColor(clWhite);
Swamp: SetColor(clTeal);
otherwise
begin
ShowMessage ('Terrain label misssing ' + IntToStr(Ord(R)));
Halt (1);
end;
end;
end;
begin
with MyMap do
Init(Width, Height, Mult);
with MyMap do
for Hgt := 1 to Mymap.Height do
begin
// Offset alternate rows to compensate for Cevo diamond map format }
if NOT odd(Hgt) then
offset := fmult
else
offset := 0;
for Wid := 1 to MyMap.Width do
// Incorporate scroll offset }
DoaSquare(Wid, Hgt);
end;
Canvas.Draw(0, 0, bmp);
Update;
Show;
end;
procedure TFrmImage.FormPaint;
begin
Canvas.Draw(0, 0, bmp);
end;
procedure TFrmImage.FormOnShow;
begin
if Clientheight = 0 then
begin
Clientwidth := 353;
Clientheight := 176;
end;
end;
// Write thumbnail display to a Jpeg file
procedure TFrmImage.SavetoJpegClick;
var jp: TJPEGImage;
bm: TBitMap;
MyRect: TRect;
begin
jp := TJPEGImage.Create;
bm := TBitMap.Create;
try
bm.Width := Clientwidth;
bm.Height := ClientHeight;
bm.pixelformat := pfDevice;
MyRect := Rect(0, 0, Clientwidth, ClientHeight);
bm.Canvas.CopyRect(MyRect, Canvas, MyRect);
with jp do
begin
CompressionQuality := 70;
Assign(bm);
if SDJpeg.Execute then
SaveToFile(SDJpeg.filename);
end;
finally
bm.Free;
jp.Free;
end;
end;
destructor TFrmImage.Destroy;
begin
bmp.Free;
inherited;
end;
end.
|
