blob: a8e329fa4dfedfbefe213ee35391b5d861968367 (
plain)
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
|
#define EACH_ROW\
for (int y = 0; y < aDestRect.mHeight; y++, aDestPixelsRow += aDestPixelsPitch)\
{\
float aBaseX = ((int)aDestRect.mX) + 0 - theRotCenterX - theX;\
float aBaseY = ((int)aDestRect.mY) + y - theRotCenterY - theY;\
\
int aU = (int) ((aCos*(aBaseX) - aSin*(aBaseY) + theRotCenterX) * 0x10000);\
int aV = (int) ((aCos*(aBaseY) + aSin*(aBaseX) + theRotCenterY) * 0x10000);\
\
DEST_PIXEL_TYPE* aDestPixels = aDestPixelsRow;\
\
int aLeft = 0;\
int aRight = aDestRect.mWidth - 1;\
\
int aUInt = (aU >> 16);\
int aVInt = (aV >> 16);\
\
if (aCosLong <= -0x0001)\
{\
if (aUInt<0)\
continue;\
\
int anEdgeLeft = ((theSrcRect.mWidth << 16) - 0x27FFF - aU) / aCosLong;\
if (anEdgeLeft >= aLeft)\
aLeft = anEdgeLeft;\
\
int anEdgeRight = (0x07FFF - aU) / aCosLong;\
if (anEdgeRight < aRight)\
aRight = anEdgeRight;\
}\
else if (aCosLong >= 0x0001)\
{\
if (aUInt >= theSrcRect.mWidth-1)\
continue;\
\
int anEdgeLeft = (0x10000 - aU) / aCosLong;\
if (anEdgeLeft > aLeft)\
aLeft = anEdgeLeft;\
\
int anEdgeRight = ((theSrcRect.mWidth << 16) - 0x17FFF - aU) / aCosLong;\
if (anEdgeRight < aRight)\
aRight = anEdgeRight;\
}\
else if ((aU < 0) || (aU >= (theSrcRect.mWidth - 1) << 16))\
continue;\
\
if (aSinLong <= -0x0001)\
{\
if (aVInt<0)\
continue;\
\
int anEdgeLeft = ((theSrcRect.mHeight << 16) - 0x27FFF - aV) / aSinLong;\
if (anEdgeLeft > aLeft)\
aLeft = anEdgeLeft;\
\
int anEdgeRight = (0x0000 - aV) / aSinLong;\
if (anEdgeRight < aRight)\
aRight = anEdgeRight;\
}\
else if (aSinLong >= 0x0001)\
{\
if (aVInt >= theSrcRect.mHeight-1)\
continue;\
\
int anEdgeLeft = (0x10000 - aV) / aSinLong;\
if (anEdgeLeft > aLeft)\
aLeft = anEdgeLeft;\
\
int anEdgeRight = ((theSrcRect.mHeight << 16) - 0x17FFF - aV) / aSinLong;\
if (anEdgeRight < aRight)\
aRight = anEdgeRight;\
}\
else if ((aV < 0) || (aV >= (theSrcRect.mHeight - 1) << 16))\
continue;\
\
aU += aLeft * aCosLong;\
aV += aLeft * aSinLong;\
aDestPixels += aLeft;\
\
int aWidth = theImage->mWidth;
#define END_ROW }
{
#if defined(OPTIMIZE_SOFTWARE_DRAWING) && defined(WRITE_PIXEL_OPTIMIZED)
if (gOptimizeSoftwareDrawing)
{
if (aNumBits == 16)
{
#ifdef WRITE_PIXEL_OPTIMIZED_565
if (aGMask == 0x7E0) // 5-6-5
{
EACH_ROW
for (int x = aLeft; x <= aRight; x++)
{
int aUInt = (aU >> 16);
int aVInt = (aV >> 16);
SRC_TYPE* srcptr = aSrcBits +
(aVInt * aWidth) + aUInt;
int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
ulong src1 = READ_COLOR(srcptr);
ulong src2 = READ_COLOR(srcptr+1);
ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
WRITE_PIXEL_OPTIMIZED_565;
aU += aCosLong;
aV += aSinLong;
}
END_ROW
}
#endif
#ifdef WRITE_PIXEL_OPTIMIZED_555
#ifdef WRITE_PIXEL_OPTIMIZED_565
else
#endif
if (aGMask == 0x3E0) // 5-5-5
{
EACH_ROW
for (int x = aLeft; x <= aRight; x++)
{
int aUInt = (aU >> 16);
int aVInt = (aV >> 16);
SRC_TYPE* srcptr = aSrcBits +
(aVInt * aWidth) + aUInt;
int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
ulong src1 = READ_COLOR(srcptr);
ulong src2 = READ_COLOR(srcptr+1);
ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
WRITE_PIXEL_OPTIMIZED_555;
aU += aCosLong;
aV += aSinLong;
}
END_ROW
}
#endif
#if defined(WRITE_PIXEL_OPTIMIZED_555) || defined(WRITE_PIXEL_OPTIMIZED_565)
else
#endif
{
EACH_ROW
for (int x = aLeft; x <= aRight; x++)
{
int aUInt = (aU >> 16);
int aVInt = (aV >> 16);
SRC_TYPE* srcptr = aSrcBits +
(aVInt * aWidth) + aUInt;
int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
ulong src1 = READ_COLOR(srcptr);
ulong src2 = READ_COLOR(srcptr+1);
ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
WRITE_PIXEL;
aU += aCosLong;
aV += aSinLong;
}
END_ROW
}
}
else if (aNumBits == 32)
{
EACH_ROW
for (int x = aLeft; x <= aRight; x++)
{
int aUInt = (aU >> 16);
int aVInt = (aV >> 16);
SRC_TYPE* srcptr = aSrcBits +
(aVInt * aWidth) + aUInt;
int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
ulong src1 = READ_COLOR(srcptr);
ulong src2 = READ_COLOR(srcptr+1);
ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
WRITE_PIXEL_OPTIMIZED;
aU += aCosLong;
aV += aSinLong;
}
END_ROW
}
}
else
{
#endif
EACH_ROW
for (int x = aLeft; x <= aRight; x++)
{
int aUInt = (aU >> 16);
int aVInt = (aV >> 16);
SRC_TYPE* srcptr = aSrcBits +
(aVInt * aWidth) + aUInt;
int aUFactor = (aU & 0xFFFE) + 1; // aUFactor needs to be between 1 and 0xFFFF to avoid overflow
int aVFactor = (aV & 0xFFFE) + 1; // ditto for aVFactor
ulong src1 = READ_COLOR(srcptr);
ulong src2 = READ_COLOR(srcptr+1);
ulong src3 = READ_COLOR(srcptr+theImage->mWidth);
ulong src4 = READ_COLOR(srcptr+1+theImage->mWidth);
int a1 = ((src1 >> 24) * ((ulong) ((0x10000 - aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a2 = ((src2 >> 24) * ((ulong) (( aUFactor) * (0x10000 - aVFactor)) >> 16)) >> 16;
int a3 = ((src3 >> 24) * ((ulong) ((0x10000 - aUFactor) * ( aVFactor)) >> 16)) >> 16;
int a4 = ((src4 >> 24) * ((ulong) (( aUFactor) * ( aVFactor)) >> 16)) >> 16;
WRITE_PIXEL;
aU += aCosLong;
aV += aSinLong;
}
END_ROW
#if defined(OPTIMIZE_SOFTWARE_DRAWING) && defined(WRITE_PIXEL_OPTIMIZED)
}
#endif
}
|
