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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef MUTATIONOFJB_UTIL_H
#define MUTATIONOFJB_UTIL_H
#include "common/rect.h"
#include "graphics/managed_surface.h"
#include "graphics/surface.h"
namespace Common {
class String;
}
namespace MutationOfJB {
void reportFileMissingError(const char *fileName);
Common::String toUpperCP895(const Common::String &str);
// Taken from ManagedSurface::clip.
template<typename SurfaceType>
bool clipBounds(Common::Rect &srcBounds, Common::Rect &destBounds, SurfaceType &destSurf) {
if (destBounds.left >= destSurf.w || destBounds.top >= destSurf.h ||
destBounds.right <= 0 || destBounds.bottom <= 0)
return false;
// Clip the bounds if source is too big to fit into destination.
if (destBounds.right > destSurf.w) {
srcBounds.right -= destBounds.right - destSurf.w;
destBounds.right = destSurf.w;
}
if (destBounds.bottom > destSurf.h) {
srcBounds.bottom -= destBounds.bottom - destSurf.h;
destBounds.bottom = destSurf.h;
}
if (destBounds.top < 0) {
srcBounds.top += -destBounds.top;
destBounds.top = 0;
}
if (destBounds.left < 0) {
srcBounds.left += -destBounds.left;
destBounds.left = 0;
}
return true;
}
template<typename BlitOp>
void blit_if(const Graphics::Surface &src, const Common::Rect &srcRect, Graphics::Surface &dest, const Common::Point &destPos, BlitOp blitOp) {
Common::Rect srcBounds = srcRect;
Common::Rect destBounds(destPos.x, destPos.y, destPos.x + srcRect.width(), destPos.y + srcRect.height());
assert(srcRect.isValidRect());
assert(dest.format == src.format);
if (!clipBounds(srcBounds, destBounds, dest))
return;
for (int y = 0; y < srcBounds.height(); ++y) {
const byte *srcP = reinterpret_cast<const byte *>(src.getBasePtr(srcBounds.left, srcBounds.top + y));
const byte *srcEndP = srcP + srcBounds.width();
byte *destP = reinterpret_cast<byte *>(dest.getBasePtr(destBounds.left, destBounds.top + y));
while (srcP != srcEndP) {
const byte newColor = blitOp(*srcP, *destP);
if (*destP != newColor) {
*destP = newColor;
}
++srcP;
++destP;
}
}
}
template<typename BlitOp>
void blit_if(const Graphics::Surface &src, const Common::Rect &srcRect, Graphics::ManagedSurface &dest, const Common::Point &destPos, BlitOp blitOp) {
Common::Rect srcBounds = srcRect;
Common::Rect destBounds(destPos.x, destPos.y, destPos.x + srcRect.width(), destPos.y + srcRect.height());
assert(srcRect.isValidRect());
assert(dest.format == src.format);
if (!clipBounds(srcBounds, destBounds, dest))
return;
Graphics::Surface destSurf = dest.getSubArea(destBounds); // This will invalidate the rectangle.
blit_if(src, srcRect, destSurf, Common::Point(0, 0), blitOp);
}
template<typename BlitOp>
void blit_if(const Graphics::Surface &src, Graphics::Surface &dest, const Common::Point &destPos, BlitOp blitOp) {
blit_if(src, Common::Rect(0, 0, src.w, src.h), dest, destPos, blitOp);
}
template<typename BlitOp>
void blit_if(const Graphics::Surface &src, Graphics::ManagedSurface &dest, const Common::Point &destPos, BlitOp blitOp) {
blit_if(src, Common::Rect(0, 0, src.w, src.h), dest, destPos, blitOp);
}
}
#endif
|
