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
|
/* 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.
*
*/
#include "graphics/primitives.h"
#include "sci/engine/seg_manager.h"
#include "sci/graphics/paint32.h"
#include "sci/graphics/text32.h"
namespace Sci {
GfxPaint32::GfxPaint32(SegManager *segMan) :
_segMan(segMan) {}
reg_t GfxPaint32::kernelAddLine(const reg_t planeObject, const Common::Point &startPoint, const Common::Point &endPoint, const int16 priority, const uint8 color, const LineStyle style, const uint16 pattern, const uint8 thickness) {
Plane *plane = g_sci->_gfxFrameout->getPlanes().findByObject(planeObject);
if (plane == nullptr) {
error("kAddLine: Plane %04x:%04x not found", PRINT_REG(planeObject));
}
Common::Rect gameRect;
reg_t bitmapId = makeLineBitmap(startPoint, endPoint, priority, color, style, pattern, thickness, gameRect);
SciBitmap &bitmap = *_segMan->lookupBitmap(bitmapId);
CelInfo32 celInfo;
celInfo.type = kCelTypeMem;
celInfo.bitmap = bitmapId;
// SSCI stores the line color on `celInfo`, even though
// this is not a `kCelTypeColor`, as a hack so that
// `kUpdateLine` can get the originally used color
celInfo.color = color;
ScreenItem *screenItem = new ScreenItem(planeObject, celInfo, Common::Rect(startPoint.x, startPoint.y, startPoint.x + bitmap.getWidth(), startPoint.y + bitmap.getHeight()));
screenItem->_priority = priority;
screenItem->_fixedPriority = true;
plane->_screenItemList.add(screenItem);
return screenItem->_object;
}
void GfxPaint32::kernelUpdateLine(ScreenItem *screenItem, Plane *plane, const Common::Point &startPoint, const Common::Point &endPoint, const int16 priority, const uint8 color, const LineStyle style, const uint16 pattern, const uint8 thickness) {
Common::Rect gameRect;
reg_t bitmapId = makeLineBitmap(startPoint, endPoint, priority, color, style, pattern, thickness, gameRect);
_segMan->freeBitmap(screenItem->_celInfo.bitmap);
screenItem->_celInfo.bitmap = bitmapId;
screenItem->_celInfo.color = color;
screenItem->_position = startPoint;
screenItem->_priority = priority;
screenItem->update();
}
void GfxPaint32::kernelDeleteLine(const reg_t screenItemObject, const reg_t planeObject) {
Plane *plane = g_sci->_gfxFrameout->getPlanes().findByObject(planeObject);
if (plane == nullptr) {
return;
}
ScreenItem *screenItem = plane->_screenItemList.findByObject(screenItemObject);
if (screenItem == nullptr) {
return;
}
_segMan->freeBitmap(screenItem->_celInfo.bitmap);
g_sci->_gfxFrameout->deleteScreenItem(*screenItem, *plane);
}
void GfxPaint32::plotter(int x, int y, int color, void *data) {
LineProperties &properties = *static_cast<LineProperties *>(data);
byte *pixels = properties.bitmap->getPixels();
const uint32 index = properties.bitmap->getWidth() * y + x;
if (index < properties.bitmap->getDataSize()) {
if (properties.solid) {
pixels[index] = (uint8)color;
return;
}
if (properties.horizontal && x != properties.lastAddress) {
properties.lastAddress = x;
++properties.patternIndex;
} else if (!properties.horizontal && y != properties.lastAddress) {
properties.lastAddress = y;
++properties.patternIndex;
}
if (properties.pattern[properties.patternIndex]) {
pixels[index] = (uint8)color;
}
if (properties.patternIndex == ARRAYSIZE(properties.pattern)) {
properties.patternIndex = 0;
}
} else {
warning("GfxPaint32::plotter: Attempted to write out of bounds (%u >= %u)", index, properties.bitmap->getDataSize());
}
}
reg_t GfxPaint32::makeLineBitmap(const Common::Point &startPoint, const Common::Point &endPoint, const int16 priority, const uint8 color, const LineStyle style, uint16 pattern, uint8 thickness, Common::Rect &outRect) {
const uint8 skipColor = color != kDefaultSkipColor ? kDefaultSkipColor : 0;
// Thickness is expected to be 2n+1
thickness = ((MAX((uint8)1, thickness) - 1) | 1);
const uint8 halfThickness = thickness >> 1;
outRect.left = (startPoint.x < endPoint.x ? startPoint.x : endPoint.x) - halfThickness;
outRect.top = (startPoint.y < endPoint.y ? startPoint.y : endPoint.y) - halfThickness;
outRect.right = (startPoint.x > endPoint.x ? startPoint.x : endPoint.x) + halfThickness + 1;
outRect.bottom = (startPoint.y > endPoint.y ? startPoint.y : endPoint.y) + halfThickness + 1;
reg_t bitmapId;
SciBitmap &bitmap = *_segMan->allocateBitmap(&bitmapId, outRect.width(), outRect.height(), skipColor, 0, 0, g_sci->_gfxFrameout->getCurrentBuffer().scriptWidth, g_sci->_gfxFrameout->getCurrentBuffer().scriptHeight, 0, false, true);
byte *pixels = bitmap.getPixels();
memset(pixels, skipColor, bitmap.getWidth() * bitmap.getHeight());
LineProperties properties;
properties.bitmap = &bitmap;
switch (style) {
case kLineStyleSolid:
pattern = 0xFFFF;
properties.solid = true;
break;
case kLineStyleDashed:
pattern = 0xFF00;
properties.solid = false;
break;
case kLineStylePattern:
properties.solid = pattern == 0xFFFF;
break;
}
const Common::Rect drawRect(
startPoint.x - outRect.left,
startPoint.y - outRect.top,
endPoint.x - outRect.left,
endPoint.y - outRect.top
);
if (!properties.solid) {
for (int i = 0; i < ARRAYSIZE(properties.pattern); ++i) {
properties.pattern[i] = (pattern & 0x8000);
pattern <<= 1;
}
properties.patternIndex = 0;
properties.horizontal = ABS(drawRect.right - drawRect.left) > ABS(drawRect.bottom - drawRect.top);
properties.lastAddress = properties.horizontal ? drawRect.left : drawRect.top;
}
if (thickness <= 1) {
Graphics::drawLine(drawRect.left, drawRect.top, drawRect.right, drawRect.bottom, color, plotter, &properties);
} else {
Graphics::drawThickLine2(drawRect.left, drawRect.top, drawRect.right, drawRect.bottom, thickness, color, plotter, &properties);
}
return bitmapId;
}
} // End of namespace Sci
|
