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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
|
unit UDisplay;
interface
uses Windows, SDL, UMenu, OpenGL12, SysUtils;
type
TDisplay = class
ActualScreen: PMenu;
NextScreen: PMenu;
h_DC: HDC;
h_RC: HGLRC;
// FadeType: integer;
FadeTex: glUInt;
LastFade: real;
Fade: real;
function Draw: Boolean;
procedure PrintScreen;
constructor Create;
procedure ScreenShot;
end;
var
Display: TDisplay;
// ActualScreen: PMenu;
// NextScreen: PMenu;
implementation
uses UGraphic, UTime, Graphics, Jpeg, UPliki, UTexture;
constructor TDisplay.Create;
begin
inherited Create;
// FadeType := 0;
Fade := 0;
end;
function TDisplay.Draw: Boolean;
var
S: integer;
Col: real;
Surface: PSDL_Surface;
begin
Result := True;
Col := 1;
if (ParamStr(1) = '-black') or (ParamStr(1) = '-fsblack') then
Col := 0;
glClearColor(Col, Col, Col , 1);
glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT);
for S := 1 to Screens do begin
ScreenAct := S;
// if Screens = 1 then ScreenX := 0;
// if (Screens = 2) and (S = 1) then ScreenX := -1;
// if (Screens = 2) and (S = 2) then ScreenX := 1;
ScreenX := 0;
if S = 2 then TimeSkip := 0; // it's easier than rewriting code
glViewPort((S-1) * ScreenW div Screens, 0, ScreenW div Screens, ScreenH);
ActualScreen.SetAnimationProgress(1);
if not assigned (NextScreen) then Result := ActualScreen.Draw
else begin
LastFade := Fade;
Fade := Fade + TimeSkip * 6; // * 4
{//Create Fading texture
if Fade = 0 then
begin
Surface := SDL_GetVideoSurface;
glGenTextures(1, FadeTex);
glBindTexture(GL_TEXTURE_2D, FadeTex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glPixelStorei(GL_UNPACK_ROW_LENGTH, Surface.pitch div Surface.format.BytesPerPixel);
glTexImage2D(GL_TEXTURE_2D, 0, 3, 800, 600, 0, GL_RGBA, GL_UNSIGNED_BYTE, Surface.pixels);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
end;}
ActualScreen.ShowFinish := false;
//Fade = 2 (Belnding) Mod
if (FadeTex > 0) then
begin
ActualScreen.SetAnimationProgress(Fade-1);
ActualScreen.Draw;
glBindTexture(GL_TEXTURE_2D, FadeTex);
glColor4f(Col, Col, Col, 1-Fade); // 0
glEnable(GL_BLEND);
glBegin(GL_QUADS);
glVertex2f(0, 0);
glVertex2f(0, 600);
glVertex2f(800, 600);
glVertex2f(800, 0);
glEnd;
glDisable(GL_BLEND);
end
else
begin
case ActualScreen.Fade of
0: begin
if Fade < 1 then begin
ActualScreen.SetAnimationProgress(1-Fade);
ActualScreen.Draw;
glColor4f(Col, Col, Col, Fade); // 0
end else begin
ActualScreen.SetAnimationProgress(Fade-1);
ActualScreen.Draw;
glColor4f(Col, Col, Col, 1-Fade); // 0
end;
glEnable(GL_BLEND);
glBegin(GL_QUADS);
glVertex2f(0, 0);
glVertex2f(0, 600);
glVertex2f(800, 600);
glVertex2f(800, 0);
glEnd;
glDisable(GL_BLEND);
end;
2: begin
if Fade < 1 then begin
ActualScreen.SetAnimationProgress(1-Fade);
ActualScreen.Draw;
//glColor4f(Col, Col, Col, Fade); // 0
glColor4f(1, 1, 1, 1); // 0
//Fade := 1
end;
glEnable(GL_BLEND);
glBegin(GL_QUADS);
glVertex2f(0, 0);
glVertex2f(0, 600);
glVertex2f(800, 600);
glVertex2f(800, 0);
glEnd;
glDisable(GL_BLEND);
end;
end; // case
end;
if (LastFade < 1 ) and (Fade >= 1) then begin
if (ActualScreen.Fade = 2) then
begin
ScreenShot;
//Create Fading Texture
Surface := SDL_GetVideoSurface;
glGenTextures(1, FadeTex);
glBindTexture(GL_TEXTURE_2D, FadeTex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glPixelStorei(GL_UNPACK_ROW_LENGTH, Surface.pitch div Surface.format.BytesPerPixel);
glTexImage2D(GL_TEXTURE_2D, 0, 3, 800, 600, 0, GL_RGBA, GL_UNSIGNED_BYTE, Surface.pixels);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
end;
// pokazuje 2 ekran, ale nie kasuje informacji o NextScreen
ActualScreen.onHide;
ActualScreen := NextScreen;
ActualScreen.onShow;
end;
if Fade >= 2 then begin
if (FadeTex > 0) then //Delete Fade Tex
begin
glDeleteTextures(1, @FadeTex);
FadeTex := 0;
end;
// koniec fade'a
ActualScreen := NextScreen;
NextScreen := nil;
ActualScreen.onShowFinish;
ActualScreen.ShowFinish := true;
end;
end; // if
end; // for
// SwapBuffers(h_DC);
end;
{function TDisplay.Fade(FadeIn : Boolean; Steps : UInt8): UInt8;
begin
Self.FadeIn := FadeIn;
FadeStep := (SizeOf(FadeStep) * $FF) div Steps;
ActualStep := $FF;
Result := $FF div FadeStep;
end;}
procedure TDisplay.PrintScreen;
var
Bitmap: TBitmap;
Jpeg: TJpegImage;
X, Y: integer;
Num: integer;
FileName: string;
begin
for Num := 1 to 9999 do begin
FileName := IntToStr(Num);
while Length(FileName) < 4 do FileName := '0' + FileName;
FileName := ScreenshotsPath + 'screenshot' + FileName + '.jpg';
if not FileExists(FileName) then break
end;
glReadPixels(0, 0, ScreenW, ScreenH, GL_RGBA, GL_UNSIGNED_BYTE, @PrintScreenData[0]);
Bitmap := TBitmap.Create;
Bitmap.Width := ScreenW;
Bitmap.Height := ScreenH;
for Y := 0 to ScreenH-1 do
for X := 0 to ScreenW-1 do
Bitmap.Canvas.Pixels[X, Y] := PrintScreenData[(ScreenH-1-Y) * ScreenW + X] and $00FFFFFF;
Jpeg := TJpegImage.Create;
Jpeg.Assign(Bitmap);
Bitmap.Free;
Jpeg.CompressionQuality := 95;//90;
ForceDirectories(ScreenshotsPath);
Jpeg.SaveToFile(FileName);
Jpeg.Free;
end;
procedure TDisplay.ScreenShot;
var F : file;
FileInfo: BITMAPINFOHEADER;
FileHeader : BITMAPFILEHEADER;
pPicData:Pointer;
FileName: String;
Num: Integer;
begin
//bilddatei Suchen
for Num := 1 to 9999 do begin
FileName := IntToStr(Num);
while Length(FileName) < 4 do FileName := '0' + FileName;
FileName := {ScreenshotsPath + }'screenshot' + FileName + '.BMP';
if not FileExists(FileName) then break
end;
//Speicher f�r die Speicherung der Header-Informationen vorbereiten
ZeroMemory(@FileHeader, SizeOf(BITMAPFILEHEADER));
ZeroMemory(@FileInfo, SizeOf(BITMAPINFOHEADER));
//Initialisieren der Daten des Headers
FileHeader.bfType := 19778; //$4D42 = 'BM'
FileHeader.bfOffBits := SizeOf(BITMAPINFOHEADER)+SizeOf(BITMAPFILEHEADER);
//Schreiben der Bitmap-Informationen
FileInfo.biSize := SizeOf(BITMAPINFOHEADER);
FileInfo.biWidth := ScreenH;
FileInfo.biHeight := ScreenW;
FileInfo.biPlanes := 1;
FileInfo.biBitCount := 32;
FileInfo.biSizeImage := FileInfo.biWidth*FileInfo.biHeight*(FileInfo.biBitCount div 8);
//Gr��enangabe auch in den Header �bernehmen
FileHeader.bfSize := FileHeader.bfOffBits + FileInfo.biSizeImage;
//Speicher f�r die Bilddaten reservieren
GetMem(pPicData, FileInfo.biSizeImage);
try
//Bilddaten von OpenGL anfordern (siehe oben)
glReadPixels(0, 0, ScreenW, ScreenH, GL_BGRA, GL_UNSIGNED_BYTE, pPicData);
//Und den ganzen M�ll in die Datei schieben ;-)
//Moderne Leute nehmen daf�r auch Streams ...
AssignFile(f, Filename);
Rewrite( f,1 );
try
BlockWrite(F, FileHeader, SizeOf(BITMAPFILEHEADER));
BlockWrite(F, FileInfo, SizeOf(BITMAPINFOHEADER));
BlockWrite(F, pPicData^, FileInfo.biSizeImage );
finally
CloseFile(f);
end;
finally
//Und den angeforderten Speicher wieder freigeben ...
FreeMem(pPicData, FileInfo.biSizeImage);
end;
end;
end.
|
