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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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* |
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* This program and the accompanying materials are made available under the |
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6 |
* terms of the MIT License which is available at |
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7 |
* https://opensource.org/licenses/MIT. |
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* |
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9 |
* SPDX-License-Identifier: MIT |
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10 |
**************************************************************************/ |
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/**************************************************************************/ |
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14 |
/**************************************************************************/ |
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15 |
/** */ |
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16 |
/** GUIX Component */ |
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17 |
/** */ |
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18 |
/** Utility (Utility) */ |
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19 |
/** */ |
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20 |
/**************************************************************************/ |
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21 |
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22 |
#define GX_SOURCE_CODE |
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23 |
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24 |
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25 |
#include "gx_api.h" |
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26 |
#include "gx_display.h" |
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27 |
#include "gx_context.h" |
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28 |
#include "gx_utility.h" |
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29 |
#include "gx_system.h" |
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30 |
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31 |
#define REDVAL_332(_c) (USHORT)(((_c) >> 5) & 0x07) |
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32 |
#define GREENVAL_332(_c) (USHORT)(((_c) >> 2) & 0x07) |
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33 |
#define BLUEVAL_332(_c) (USHORT)((_c) & 0x03) |
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34 |
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35 |
#define ASSEMBLECOLOR_332(_r, _g, _b) \ |
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36 |
((((_r) & 0x07) << 5) | \ |
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37 |
(((_g) & 0x07) << 2) | \ |
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38 |
((_b) & 0x03)) |
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39 |
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40 |
/**************************************************************************/ |
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41 |
/* */ |
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42 |
/* FUNCTION RELEASE */ |
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43 |
/* */ |
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44 |
/* _gx_utility_332rgb_pixelmap_raw_rotate PORTABLE C */ |
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45 |
/* 6.1 */ |
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46 |
/* AUTHOR */ |
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47 |
/* */ |
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48 |
/* Kenneth Maxwell, Microsoft Corporation */ |
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49 |
/* */ |
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50 |
/* DESCRIPTION */ |
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51 |
/* */ |
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52 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
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53 |
/* without alpha. */ |
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54 |
/* */ |
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55 |
/* INPUT */ |
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56 |
/* */ |
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57 |
/* src The pixelmap to be rotated */ |
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58 |
/* angle The angle to be rotated */ |
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59 |
/* destination The rotated bitmap to be */ |
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60 |
/* returned */ |
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61 |
/* rot_cx X coordinate of rotation */ |
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62 |
/* center */ |
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63 |
/* rot_cy Y coordinate of rotation */ |
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64 |
/* center */ |
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65 |
/* */ |
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66 |
/* OUTPUT */ |
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67 |
/* */ |
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68 |
/* status Completion status */ |
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69 |
/* */ |
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70 |
/* CALLS */ |
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71 |
/* */ |
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72 |
/* _gx_system_memory_allocator Memory Allocation routine */ |
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73 |
/* _gx_utility_math_cos Compute the cosine value */ |
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74 |
/* _gx_utility_math_sin Compute the sine value */ |
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75 |
/* */ |
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76 |
/* CALLED BY */ |
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77 |
/* */ |
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78 |
/* _gx_utility_332rgb_pixelmap_rotate */ |
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79 |
/* */ |
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80 |
/**************************************************************************/ |
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81 |
362 |
static UINT _gx_utility_332rgb_pixelmap_raw_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
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82 |
{ |
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83 |
GX_UBYTE *put; |
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84 |
GX_UBYTE *get; |
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85 |
GX_UBYTE *putalpha; |
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86 |
INT srcxres; |
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87 |
INT srcyres; |
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88 |
INT cosv; |
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89 |
INT sinv; |
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90 |
USHORT red, green, blue; |
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91 |
INT idxminx, idxmaxx, idxmaxy; |
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92 |
INT *mx; |
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93 |
INT *my; |
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94 |
INT xres; |
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95 |
INT yres; |
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96 |
INT width, height; |
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97 |
INT x, y; |
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98 |
INT xx, yy; |
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99 |
USHORT a, b, c, d; |
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100 |
INT alpha; |
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101 |
INT xdiff, ydiff; |
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102 |
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103 |
362 |
mx = _gx_system_scratchpad; |
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104 |
362 |
my = mx + 4; |
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105 |
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106 |
362 |
mx[0] = mx[3] = -1; |
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107 |
362 |
mx[1] = mx[2] = 1; |
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108 |
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109 |
362 |
my[0] = my[1] = 1; |
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110 |
362 |
my[2] = my[3] = -1; |
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111 |
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112 |
362 |
idxminx = (angle / 90) & 0x3; |
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113 |
362 |
idxmaxx = (idxminx + 2) & 0x3; |
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114 |
362 |
idxmaxy = (idxminx + 1) & 0x3; |
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115 |
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116 |
/* Calculate the source x and y center. */ |
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117 |
362 |
srcxres = src -> gx_pixelmap_width >> 1; |
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118 |
362 |
srcyres = src -> gx_pixelmap_height >> 1; |
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119 |
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120 |
362 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
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121 |
362 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
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122 |
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123 |
362 |
xres = mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv; |
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124 |
362 |
yres = my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv; |
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125 |
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126 |
362 |
xres = GX_FIXED_VAL_TO_INT(xres); |
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127 |
362 |
yres = GX_FIXED_VAL_TO_INT(yres); |
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128 |
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129 |
/* Calculate destination width and height. */ |
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130 |
362 |
width = (xres << 1); |
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131 |
362 |
height = (yres << 1); |
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132 |
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133 |
/* Calculate the new rotation axis. */ |
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134 |
✓✓✓✓ |
362 |
if (rot_cx && rot_cy) |
135 |
{ |
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136 |
356 |
x = ((*rot_cx) - srcxres) * cosv - ((*rot_cy) - srcyres) * sinv; |
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137 |
356 |
y = ((*rot_cy) - srcyres) * cosv + ((*rot_cx) - srcxres) * sinv; |
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138 |
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139 |
356 |
srcxres = *rot_cx; |
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140 |
356 |
srcyres = *rot_cy; |
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141 |
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142 |
356 |
x = GX_FIXED_VAL_TO_INT(x) + xres; |
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143 |
356 |
y = GX_FIXED_VAL_TO_INT(y) + yres; |
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144 |
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145 |
356 |
*rot_cx = x; |
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146 |
356 |
*rot_cy = y; |
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147 |
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148 |
356 |
xres = *rot_cx; |
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149 |
356 |
yres = *rot_cy; |
|
150 |
} |
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151 |
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152 |
362 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
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153 |
362 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
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154 |
362 |
destination -> gx_pixelmap_flags |= GX_PIXELMAP_ALPHA; |
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155 |
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156 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
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157 |
overflow cannot occur. */ |
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158 |
362 |
destination -> gx_pixelmap_data_size = (UINT)(height * width) * sizeof(GX_UBYTE); |
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159 |
362 |
destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
|
160 |
|||
161 |
✓✓ | 362 |
if (destination -> gx_pixelmap_data == GX_NULL) |
162 |
{ |
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163 |
3 |
return GX_SYSTEM_MEMORY_ERROR; |
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164 |
} |
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165 |
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166 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
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167 |
overflow cannot occur. */ |
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168 |
359 |
destination -> gx_pixelmap_aux_data_size = (UINT)(height * width) * sizeof(GX_UBYTE); |
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169 |
359 |
destination -> gx_pixelmap_aux_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_aux_data_size); |
|
170 |
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171 |
✓✓ | 359 |
if (destination -> gx_pixelmap_aux_data == GX_NULL) |
172 |
{ |
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173 |
1 |
_gx_system_memory_free((VOID *)destination -> gx_pixelmap_aux_data); |
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174 |
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175 |
1 |
return GX_SYSTEM_MEMORY_ERROR; |
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176 |
} |
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177 |
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178 |
358 |
put = (GX_UBYTE *)destination -> gx_pixelmap_data; |
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179 |
358 |
putalpha = (GX_UBYTE *)destination -> gx_pixelmap_aux_data; |
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180 |
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181 |
/* Loop through the destination's pixels. */ |
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182 |
✓✓ | 85218 |
for (y = 0; y < height; y++) |
183 |
{ |
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184 |
✓✓ | 19993316 |
for (x = 0; x < width; x++) |
185 |
{ |
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186 |
19908456 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
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187 |
19908456 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
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188 |
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189 |
19908456 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
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190 |
19908456 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
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191 |
|||
192 |
19908456 |
xx = GX_FIXED_VAL_TO_INT(xx) + srcxres; |
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193 |
19908456 |
yy = GX_FIXED_VAL_TO_INT(yy) + srcyres; |
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194 |
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195 |
✓✓✓✓ ✓✓ |
19908456 |
if ((xx >= -1) && (xx < src -> gx_pixelmap_width) && |
196 |
✓✓ | 14512884 |
(yy >= -1) && (yy < src -> gx_pixelmap_height)) |
197 |
{ |
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198 |
✓✓✓✓ ✓✓ |
11004532 |
if ((xx >= 0) && (xx < src -> gx_pixelmap_width - 1) && |
199 |
✓✓ | 10827830 |
(yy >= 0) && (yy < src -> gx_pixelmap_height - 1)) |
200 |
{ |
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201 |
10741590 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
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202 |
10741590 |
get += yy * src -> gx_pixelmap_width; |
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203 |
10741590 |
get += xx; |
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204 |
|||
205 |
10741590 |
a = *get; |
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206 |
10741590 |
b = *(get + 1); |
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207 |
10741590 |
c = *(get + src -> gx_pixelmap_width); |
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208 |
10741590 |
d = *(get + src -> gx_pixelmap_width + 1); |
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209 |
|||
210 |
10741590 |
alpha = 0xff; |
|
211 |
} |
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212 |
else |
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213 |
{ |
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214 |
262942 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
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215 |
|||
216 |
262942 |
a = 0; |
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217 |
262942 |
b = 0; |
|
218 |
262942 |
c = 0; |
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219 |
262942 |
d = 0; |
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220 |
262942 |
alpha = 0; |
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221 |
|||
222 |
✓✓ | 262942 |
if (xx == -1) |
223 |
{ |
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224 |
/* handle left edge. */ |
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225 |
✓✓ | 45698 |
if (yy >= 0) |
226 |
{ |
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227 |
45388 |
b = *(get + yy * src -> gx_pixelmap_width); |
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228 |
45388 |
alpha += xdiff * (256 - ydiff); |
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229 |
} |
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230 |
|||
231 |
✓✓ | 45698 |
if (yy < src -> gx_pixelmap_height - 1) |
232 |
{ |
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233 |
45354 |
d = *(get + (yy + 1) * src -> gx_pixelmap_width); |
|
234 |
45354 |
alpha += xdiff * ydiff; |
|
235 |
} |
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236 |
} |
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237 |
✓✓ | 217244 |
else if (yy == -1) |
238 |
{ |
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239 |
/* handle top edge. */ |
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240 |
85892 |
c = *(get + xx); |
|
241 |
85892 |
alpha += ydiff * (256 - xdiff); |
|
242 |
|||
243 |
✓✓ | 85892 |
if (xx < src -> gx_pixelmap_width - 1) |
244 |
{ |
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245 |
85534 |
d = *(get + xx + 1); |
|
246 |
85534 |
alpha += xdiff * ydiff; |
|
247 |
} |
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248 |
} |
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249 |
✓✓ | 131352 |
else if (xx == src -> gx_pixelmap_width - 1) |
250 |
{ |
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251 |
/* handle right edget. */ |
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252 |
45112 |
a = *(get + yy * src -> gx_pixelmap_width + xx); |
|
253 |
45112 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
254 |
|||
255 |
✓✓ | 45112 |
if (yy < src -> gx_pixelmap_height - 1) |
256 |
{ |
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257 |
44746 |
c = *(get + (yy + 1) * src -> gx_pixelmap_width + xx); |
|
258 |
44746 |
alpha += ydiff * (256 - xdiff); |
|
259 |
} |
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260 |
} |
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261 |
else |
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262 |
{ |
||
263 |
/* handle bottom edge. */ |
||
264 |
86240 |
a = *(get + yy * src -> gx_pixelmap_width + xx); |
|
265 |
86240 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
266 |
|||
267 |
86240 |
b = *(get + yy * src -> gx_pixelmap_width + xx + 1); |
|
268 |
86240 |
alpha += xdiff * (256 - ydiff); |
|
269 |
} |
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270 |
|||
271 |
262942 |
alpha >>= 8; |
|
272 |
} |
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273 |
|||
274 |
11004532 |
red = (USHORT)((REDVAL_332(a) * (256 - xdiff) * (256 - ydiff) + \ |
|
275 |
11004532 |
REDVAL_332(b) * xdiff * (256 - ydiff) + \ |
|
276 |
11004532 |
REDVAL_332(c) * ydiff * (256 - xdiff) + \ |
|
277 |
11004532 |
REDVAL_332(d) * xdiff * ydiff) >> 16); |
|
278 |
|||
279 |
11004532 |
green = (USHORT)((GREENVAL_332(a) * (256 - xdiff) * (256 - ydiff) + \ |
|
280 |
11004532 |
GREENVAL_332(b) * xdiff * (256 - ydiff) + \ |
|
281 |
11004532 |
GREENVAL_332(c) * ydiff * (256 - xdiff) + \ |
|
282 |
11004532 |
GREENVAL_332(d) * xdiff * ydiff) >> 16); |
|
283 |
|||
284 |
11004532 |
blue = (USHORT)((BLUEVAL_332(a) * (256 - xdiff) * (256 - ydiff) + \ |
|
285 |
11004532 |
BLUEVAL_332(b) * xdiff * (256 - ydiff) + \ |
|
286 |
11004532 |
BLUEVAL_332(c) * ydiff * (256 - xdiff) + \ |
|
287 |
11004532 |
BLUEVAL_332(d) * xdiff * ydiff) >> 16); |
|
288 |
|||
289 |
✓✓✓✓ |
11004532 |
if (alpha && (alpha < 0xff)) |
290 |
{ |
||
291 |
260730 |
red = (USHORT)((red << 8) / alpha); |
|
292 |
260730 |
green = (USHORT)((green << 8) / alpha); |
|
293 |
260730 |
blue = (USHORT)((blue << 8) / alpha); |
|
294 |
} |
||
295 |
|||
296 |
11004532 |
red = red > 7 ? 7 : red; |
|
297 |
11004532 |
green = green > 7 ? 7 : green; |
|
298 |
11004532 |
blue = blue > 3 ? 3 : blue; |
|
299 |
11004532 |
alpha = alpha > 255 ? 255 : alpha; |
|
300 |
|||
301 |
11004532 |
*put++ = (GX_UBYTE)ASSEMBLECOLOR_332(red, green, blue); |
|
302 |
11004532 |
*putalpha++ = (GX_UBYTE)alpha; |
|
303 |
} |
||
304 |
else |
||
305 |
{ |
||
306 |
8903924 |
put++; |
|
307 |
8903924 |
*putalpha++ = 0; |
|
308 |
} |
||
309 |
} |
||
310 |
} |
||
311 |
|||
312 |
358 |
return GX_SUCCESS; |
|
313 |
} |
||
314 |
|||
315 |
/**************************************************************************/ |
||
316 |
/* */ |
||
317 |
/* FUNCTION RELEASE */ |
||
318 |
/* */ |
||
319 |
/* _gx_utility_332rgb_pixelmap_alpha_rotate PORTABLE C */ |
||
320 |
/* 6.1 */ |
||
321 |
/* AUTHOR */ |
||
322 |
/* */ |
||
323 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
324 |
/* */ |
||
325 |
/* DESCRIPTION */ |
||
326 |
/* */ |
||
327 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
||
328 |
/* with alpha. */ |
||
329 |
/* */ |
||
330 |
/* INPUT */ |
||
331 |
/* */ |
||
332 |
/* src The pixelmap to be rotated */ |
||
333 |
/* angle The angle to be rotated */ |
||
334 |
/* destination The rotated bitmap to be */ |
||
335 |
/* returned */ |
||
336 |
/* rot_cx X coordinate of rotation */ |
||
337 |
/* center */ |
||
338 |
/* rot_cy Y coordinate of rotation */ |
||
339 |
/* center */ |
||
340 |
/* */ |
||
341 |
/* OUTPUT */ |
||
342 |
/* */ |
||
343 |
/* status Completion status */ |
||
344 |
/* */ |
||
345 |
/* CALLS */ |
||
346 |
/* */ |
||
347 |
/* _gx_system_memory_allocator Memory Allocation routine */ |
||
348 |
/* _gx_utility_math_cos Compute the cosine value */ |
||
349 |
/* _gx_utility_math_sin Compute the sine value */ |
||
350 |
/* */ |
||
351 |
/* CALLED BY */ |
||
352 |
/* */ |
||
353 |
/* _gx_utility_332rgb_pixelmap_rotate */ |
||
354 |
/* */ |
||
355 |
/**************************************************************************/ |
||
356 |
368 |
static UINT _gx_utility_332rgb_pixelmap_alpha_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
|
357 |
{ |
||
358 |
GX_UBYTE *put; |
||
359 |
GX_UBYTE *get; |
||
360 |
GX_UBYTE *putalpha; |
||
361 |
GX_UBYTE *getalpha; |
||
362 |
INT srcxres; |
||
363 |
INT srcyres; |
||
364 |
INT cosv; |
||
365 |
INT sinv; |
||
366 |
USHORT red, green, blue; |
||
367 |
INT idxminx, idxmaxx, idxmaxy; |
||
368 |
INT *mx; |
||
369 |
INT *my; |
||
370 |
INT xres; |
||
371 |
INT yres; |
||
372 |
INT width, height; |
||
373 |
INT x, y; |
||
374 |
INT xx, yy; |
||
375 |
USHORT a, b, c, d; |
||
376 |
USHORT alpha[4]; |
||
377 |
INT xdiff, ydiff; |
||
378 |
|||
379 |
368 |
mx = _gx_system_scratchpad; |
|
380 |
368 |
my = mx + 4; |
|
381 |
|||
382 |
368 |
mx[0] = mx[3] = -1; |
|
383 |
368 |
mx[1] = mx[2] = 1; |
|
384 |
|||
385 |
368 |
my[0] = my[1] = 1; |
|
386 |
368 |
my[2] = my[3] = -1; |
|
387 |
|||
388 |
368 |
idxminx = (angle / 90) & 0x3; |
|
389 |
368 |
idxmaxx = (idxminx + 2) & 0x3; |
|
390 |
368 |
idxmaxy = (idxminx + 1) & 0x3; |
|
391 |
|||
392 |
/* Calculate the source x and y center. */ |
||
393 |
368 |
srcxres = src -> gx_pixelmap_width >> 1; |
|
394 |
368 |
srcyres = src -> gx_pixelmap_height >> 1; |
|
395 |
|||
396 |
368 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
397 |
368 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
398 |
|||
399 |
368 |
xres = mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv; |
|
400 |
368 |
yres = my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv; |
|
401 |
|||
402 |
368 |
xres = GX_FIXED_VAL_TO_INT(xres); |
|
403 |
368 |
yres = GX_FIXED_VAL_TO_INT(yres); |
|
404 |
|||
405 |
/* Calculate destination width and height. */ |
||
406 |
368 |
width = (xres << 1); |
|
407 |
368 |
height = (yres << 1); |
|
408 |
|||
409 |
/* Calculate the new rotation axis. */ |
||
410 |
✓✓✓✓ |
368 |
if (rot_cx && rot_cy) |
411 |
{ |
||
412 |
356 |
x = ((*rot_cx) - srcxres) * cosv - ((*rot_cy) - srcyres) * sinv; |
|
413 |
356 |
y = ((*rot_cy) - srcyres) * cosv + ((*rot_cx) - srcxres) * sinv; |
|
414 |
|||
415 |
356 |
srcxres = *rot_cx; |
|
416 |
356 |
srcyres = *rot_cy; |
|
417 |
|||
418 |
356 |
x = GX_FIXED_VAL_TO_INT(x) + xres; |
|
419 |
356 |
y = GX_FIXED_VAL_TO_INT(y) + yres; |
|
420 |
|||
421 |
356 |
*rot_cx = x; |
|
422 |
356 |
*rot_cy = y; |
|
423 |
|||
424 |
356 |
xres = *rot_cx; |
|
425 |
356 |
yres = *rot_cy; |
|
426 |
} |
||
427 |
|||
428 |
368 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
|
429 |
368 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
|
430 |
368 |
destination -> gx_pixelmap_flags |= GX_PIXELMAP_ALPHA; |
|
431 |
|||
432 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
||
433 |
overflow cannot occur. */ |
||
434 |
368 |
destination -> gx_pixelmap_data_size = (UINT)(height * width) * sizeof(GX_UBYTE); |
|
435 |
368 |
destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
|
436 |
|||
437 |
✓✓ | 368 |
if (destination -> gx_pixelmap_data == GX_NULL) |
438 |
{ |
||
439 |
6 |
return GX_SYSTEM_MEMORY_ERROR; |
|
440 |
} |
||
441 |
|||
442 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
||
443 |
overflow cannot occur. */ |
||
444 |
362 |
destination -> gx_pixelmap_aux_data_size = (UINT)(height * width) * sizeof(GX_UBYTE); |
|
445 |
362 |
destination -> gx_pixelmap_aux_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_aux_data_size); |
|
446 |
|||
447 |
✓✓ | 362 |
if (destination -> gx_pixelmap_aux_data == GX_NULL) |
448 |
{ |
||
449 |
2 |
_gx_system_memory_free((VOID *)destination -> gx_pixelmap_data); |
|
450 |
|||
451 |
2 |
return GX_SYSTEM_MEMORY_ERROR; |
|
452 |
} |
||
453 |
|||
454 |
360 |
put = (GX_UBYTE *)destination -> gx_pixelmap_data; |
|
455 |
360 |
putalpha = (GX_UBYTE *)destination -> gx_pixelmap_aux_data; |
|
456 |
|||
457 |
/* Loop through the destination's pixels. */ |
||
458 |
✓✓ | 107156 |
for (y = 0; y < height; y++) |
459 |
{ |
||
460 |
✓✓ | 31916532 |
for (x = 0; x < width; x++) |
461 |
{ |
||
462 |
31809736 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
463 |
31809736 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
464 |
|||
465 |
31809736 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
466 |
31809736 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
467 |
|||
468 |
31809736 |
xx = GX_FIXED_VAL_TO_INT(xx) + srcxres; |
|
469 |
31809736 |
yy = GX_FIXED_VAL_TO_INT(yy) + srcyres; |
|
470 |
|||
471 |
✓✓✓✓ ✓✓ |
31809736 |
if ((xx >= -1) && (xx < src -> gx_pixelmap_width) && |
472 |
✓✓ | 21188595 |
(yy >= -1) && (yy < src -> gx_pixelmap_height)) |
473 |
{ |
||
474 |
|||
475 |
✓✓✓✓ ✓✓ |
18939990 |
if ((xx >= 0) && (xx < src -> gx_pixelmap_width - 1) && |
476 |
✓✓ | 18678066 |
(yy >= 0) && (yy < src -> gx_pixelmap_height - 1)) |
477 |
{ |
||
478 |
18608210 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
|
479 |
18608210 |
get += yy * src -> gx_pixelmap_width; |
|
480 |
18608210 |
get += xx; |
|
481 |
|||
482 |
18608210 |
getalpha = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
|
483 |
18608210 |
getalpha += yy * src -> gx_pixelmap_width; |
|
484 |
18608210 |
getalpha += xx; |
|
485 |
|||
486 |
18608210 |
a = *get; |
|
487 |
18608210 |
alpha[0] = *getalpha; |
|
488 |
|||
489 |
18608210 |
b = *(get + 1); |
|
490 |
18608210 |
alpha[1] = *(getalpha + 1); |
|
491 |
|||
492 |
18608210 |
c = *(get + src -> gx_pixelmap_width); |
|
493 |
18608210 |
alpha[2] = *(getalpha + src -> gx_pixelmap_width); |
|
494 |
|||
495 |
18608210 |
d = *(get + src -> gx_pixelmap_width + 1); |
|
496 |
18608210 |
alpha[3] = *(getalpha + src -> gx_pixelmap_width + 1); |
|
497 |
} |
||
498 |
else |
||
499 |
{ |
||
500 |
331780 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
|
501 |
331780 |
getalpha = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
|
502 |
|||
503 |
331780 |
a = 0; |
|
504 |
331780 |
b = 0; |
|
505 |
331780 |
c = 0; |
|
506 |
331780 |
d = 0; |
|
507 |
|||
508 |
✓✓ | 331780 |
if (xx == -1) |
509 |
{ |
||
510 |
/* handle left edge. */ |
||
511 |
✓✓ | 96144 |
if (yy >= 0) |
512 |
{ |
||
513 |
95852 |
b = *(get + yy * src -> gx_pixelmap_width); |
|
514 |
95852 |
alpha[1] = *(getalpha + yy * src -> gx_pixelmap_width); |
|
515 |
} |
||
516 |
|||
517 |
✓✓ | 96144 |
if (yy < src -> gx_pixelmap_height - 1) |
518 |
{ |
||
519 |
95856 |
d = *(get + (yy + 1) * src -> gx_pixelmap_width); |
|
520 |
95856 |
alpha[3] = *(getalpha + (yy + 1) * src -> gx_pixelmap_width); |
|
521 |
} |
||
522 |
} |
||
523 |
✓✓ | 235636 |
else if (yy == -1) |
524 |
{ |
||
525 |
/* handle top edge. */ |
||
526 |
69960 |
c = *(get + xx); |
|
527 |
69960 |
alpha[2] = *(getalpha + xx); |
|
528 |
|||
529 |
✓✓ | 69960 |
if (xx < src -> gx_pixelmap_width - 1) |
530 |
{ |
||
531 |
69670 |
d = *(get + xx + 1); |
|
532 |
69670 |
alpha[3] = *(getalpha + xx + 1); |
|
533 |
} |
||
534 |
} |
||
535 |
✓✓ | 165676 |
else if (xx == src -> gx_pixelmap_width - 1) |
536 |
{ |
||
537 |
/* handle right edget. */ |
||
538 |
95820 |
a = *(get + yy * src -> gx_pixelmap_width + xx); |
|
539 |
95820 |
alpha[0] = *(getalpha + yy * src -> gx_pixelmap_width + xx); |
|
540 |
|||
541 |
✓✓ | 95820 |
if (yy < src -> gx_pixelmap_height - 1) |
542 |
{ |
||
543 |
95530 |
c = *(get + (yy + 1) * src -> gx_pixelmap_width + xx); |
|
544 |
95530 |
alpha[2] = *(getalpha + (yy + 1) * src -> gx_pixelmap_width + xx); |
|
545 |
} |
||
546 |
} |
||
547 |
else |
||
548 |
{ |
||
549 |
/* handle bottom edge. */ |
||
550 |
69856 |
a = *(get + yy * src -> gx_pixelmap_width + xx); |
|
551 |
69856 |
alpha[0] = *(getalpha + yy * src -> gx_pixelmap_width + xx); |
|
552 |
|||
553 |
69856 |
b = *(get + yy * src -> gx_pixelmap_width + xx + 1); |
|
554 |
69856 |
alpha[1] = *(getalpha + yy * src -> gx_pixelmap_width + xx + 1); |
|
555 |
} |
||
556 |
|||
557 |
✓✓ | 331780 |
if (!a) |
558 |
{ |
||
559 |
166104 |
alpha[0] = 0; |
|
560 |
} |
||
561 |
|||
562 |
✓✓ | 331780 |
if (!b) |
563 |
{ |
||
564 |
166072 |
alpha[1] = 0; |
|
565 |
} |
||
566 |
|||
567 |
✓✓ | 331780 |
if (!c) |
568 |
{ |
||
569 |
166290 |
alpha[2] = 0; |
|
570 |
} |
||
571 |
|||
572 |
✓✓ | 331780 |
if (!d) |
573 |
{ |
||
574 |
166254 |
alpha[3] = 0; |
|
575 |
} |
||
576 |
} |
||
577 |
|||
578 |
18939990 |
red = (USHORT)((REDVAL_332(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + \ |
|
579 |
18939990 |
REDVAL_332(b) * alpha[1] * xdiff * (256 - ydiff) + \ |
|
580 |
18939990 |
REDVAL_332(c) * alpha[2] * ydiff * (256 - xdiff) + \ |
|
581 |
18939990 |
REDVAL_332(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
582 |
|||
583 |
18939990 |
green = (USHORT)((GREENVAL_332(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + \ |
|
584 |
18939990 |
GREENVAL_332(b) * alpha[1] * xdiff * (256 - ydiff) + \ |
|
585 |
18939990 |
GREENVAL_332(c) * alpha[2] * ydiff * (256 - xdiff) + \ |
|
586 |
18939990 |
GREENVAL_332(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
587 |
|||
588 |
18939990 |
blue = (USHORT)((BLUEVAL_332(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + \ |
|
589 |
18939990 |
BLUEVAL_332(b) * alpha[1] * xdiff * (256 - ydiff) + \ |
|
590 |
18939990 |
BLUEVAL_332(c) * alpha[2] * ydiff * (256 - xdiff) + \ |
|
591 |
18939990 |
BLUEVAL_332(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
592 |
|||
593 |
18939990 |
alpha[0] = (USHORT)((alpha[0] * (256 - xdiff) * (256 - ydiff) + \ |
|
594 |
18939990 |
alpha[1] * xdiff * (256 - ydiff) + \ |
|
595 |
18939990 |
alpha[2] * ydiff * (256 - xdiff) + \ |
|
596 |
18939990 |
alpha[3] * xdiff * ydiff) >> 16); |
|
597 |
|||
598 |
✓✓ | 18939990 |
if (alpha[0]) |
599 |
{ |
||
600 |
13446314 |
red /= alpha[0]; |
|
601 |
13446314 |
green /= alpha[0]; |
|
602 |
13446314 |
blue /= alpha[0]; |
|
603 |
} |
||
604 |
|||
605 |
18939990 |
red = red > 7 ? 7 : red; |
|
606 |
18939990 |
green = green > 7 ? 7 : green; |
|
607 |
18939990 |
blue = blue > 3 ? 3 : blue; |
|
608 |
18939990 |
alpha[0] = alpha[0] > 255 ? 255 : alpha[0]; |
|
609 |
|||
610 |
18939990 |
*put++ = (GX_UBYTE)ASSEMBLECOLOR_332(red, green, blue); |
|
611 |
18939990 |
*putalpha++ = (GX_UBYTE)alpha[0]; |
|
612 |
} |
||
613 |
else |
||
614 |
{ |
||
615 |
12869746 |
put++; |
|
616 |
12869746 |
*putalpha++ = 0; |
|
617 |
} |
||
618 |
} |
||
619 |
} |
||
620 |
|||
621 |
360 |
return GX_SUCCESS; |
|
622 |
} |
||
623 |
|||
624 |
|||
625 |
/**************************************************************************/ |
||
626 |
/* */ |
||
627 |
/* FUNCTION RELEASE */ |
||
628 |
/* */ |
||
629 |
/* _gx_utility_332rgb_pixelmap_simple_raw_rotate PORTABLE C */ |
||
630 |
/* 6.1 */ |
||
631 |
/* AUTHOR */ |
||
632 |
/* */ |
||
633 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
634 |
/* */ |
||
635 |
/* DESCRIPTION */ |
||
636 |
/* */ |
||
637 |
/* Internal helper function that handles 90, 180 and 270 degree */ |
||
638 |
/* rotation of an uncompressed pixelmap wihout alpha. */ |
||
639 |
/* */ |
||
640 |
/* INPUT */ |
||
641 |
/* */ |
||
642 |
/* src The pixelmap to be rotated */ |
||
643 |
/* angle The angle to be rotated */ |
||
644 |
/* destination The rotated bitmap to be */ |
||
645 |
/* returned */ |
||
646 |
/* rot_cx X coordinate of rotation */ |
||
647 |
/* center */ |
||
648 |
/* rot_cy Y coordinate of rotation */ |
||
649 |
/* center */ |
||
650 |
/* */ |
||
651 |
/* OUTPUT */ |
||
652 |
/* */ |
||
653 |
/* status Completion status */ |
||
654 |
/* */ |
||
655 |
/* CALLS */ |
||
656 |
/* */ |
||
657 |
/* _gx_system_memory_allocator Memory Allocation routine */ |
||
658 |
/* */ |
||
659 |
/* CALLED BY */ |
||
660 |
/* */ |
||
661 |
/* _gx_utility_332rgb_pixelmap_simple_rotate */ |
||
662 |
/* */ |
||
663 |
/**************************************************************************/ |
||
664 |
21 |
static UINT _gx_utility_332rgb_pixelmap_simple_raw_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
|
665 |
{ |
||
666 |
GX_UBYTE *put; |
||
667 |
GX_UBYTE *get; |
||
668 |
INT width; |
||
669 |
INT height; |
||
670 |
INT x, y; |
||
671 |
|||
672 |
21 |
destination -> gx_pixelmap_aux_data = GX_NULL; |
|
673 |
|||
674 |
21 |
width = src -> gx_pixelmap_width; |
|
675 |
21 |
height = src -> gx_pixelmap_height; |
|
676 |
|||
677 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
||
678 |
overflow cannot occur. */ |
||
679 |
21 |
destination -> gx_pixelmap_data_size = (UINT)(width * height) * sizeof(GX_UBYTE); |
|
680 |
21 |
destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
|
681 |
|||
682 |
✓✓ | 21 |
if (destination -> gx_pixelmap_data == GX_NULL) |
683 |
{ |
||
684 |
12 |
return GX_SYSTEM_MEMORY_ERROR; |
|
685 |
} |
||
686 |
|||
687 |
✓✓ | 9 |
if (angle == 90) |
688 |
{ |
||
689 |
3 |
GX_SWAP_VALS(width, height); |
|
690 |
|||
691 |
3 |
put = (GX_UBYTE *)destination -> gx_pixelmap_data; |
|
692 |
|||
693 |
✓✓ | 723 |
for (y = 0; y < height; y++) |
694 |
{ |
||
695 |
✓✓ | 91440 |
for (x = 0; x < width; x++) |
696 |
{ |
||
697 |
90720 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
|
698 |
90720 |
get += (width - 1 - x) * height; |
|
699 |
90720 |
get += y; |
|
700 |
|||
701 |
90720 |
*put++ = *get; |
|
702 |
} |
||
703 |
} |
||
704 |
|||
705 |
✓✓✓✓ |
3 |
if (rot_cx && rot_cy) |
706 |
{ |
||
707 |
1 |
x = *rot_cx; |
|
708 |
1 |
y = *rot_cy; |
|
709 |
|||
710 |
1 |
*rot_cx = (width - 1 - y); |
|
711 |
1 |
*rot_cy = x; |
|
712 |
} |
||
713 |
} |
||
714 |
✓✓ | 6 |
else if (angle == 180) |
715 |
{ |
||
716 |
3 |
put = (GX_UBYTE *)destination -> gx_pixelmap_data; |
|
717 |
|||
718 |
✓✓ | 381 |
for (y = 0; y < height; y++) |
719 |
{ |
||
720 |
✓✓ | 91098 |
for (x = 0; x < width; x++) |
721 |
{ |
||
722 |
90720 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
|
723 |
90720 |
get += (height - 1 - y) * width; |
|
724 |
90720 |
get += width - 1 - x; |
|
725 |
|||
726 |
90720 |
*put++ = *get; |
|
727 |
} |
||
728 |
} |
||
729 |
|||
730 |
✓✓✓✓ |
3 |
if (rot_cx && rot_cy) |
731 |
{ |
||
732 |
1 |
x = *rot_cx; |
|
733 |
1 |
y = *rot_cy; |
|
734 |
|||
735 |
1 |
*rot_cx = (width - 1 - x); |
|
736 |
1 |
*rot_cy = (height - 1 - y); |
|
737 |
} |
||
738 |
} |
||
739 |
else |
||
740 |
{ |
||
741 |
/* angle = 270. */ |
||
742 |
3 |
GX_SWAP_VALS(width, height); |
|
743 |
|||
744 |
3 |
put = (GX_UBYTE *)destination -> gx_pixelmap_data; |
|
745 |
|||
746 |
✓✓ | 723 |
for (y = 0; y < height; y++) |
747 |
{ |
||
748 |
✓✓ | 91440 |
for (x = 0; x < width; x++) |
749 |
{ |
||
750 |
90720 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
|
751 |
90720 |
get += x * height; |
|
752 |
90720 |
get += height - 1 - y; |
|
753 |
|||
754 |
90720 |
*put++ = *get; |
|
755 |
} |
||
756 |
} |
||
757 |
|||
758 |
✓✓✓✓ |
3 |
if (rot_cx && rot_cy) |
759 |
{ |
||
760 |
1 |
x = *rot_cx; |
|
761 |
1 |
y = *rot_cy; |
|
762 |
|||
763 |
1 |
*rot_cx = y; |
|
764 |
1 |
*rot_cy = (height - 1 - x); |
|
765 |
} |
||
766 |
} |
||
767 |
|||
768 |
9 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
|
769 |
9 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
|
770 |
|||
771 |
9 |
return GX_SUCCESS; |
|
772 |
} |
||
773 |
|||
774 |
|||
775 |
/**************************************************************************/ |
||
776 |
/* */ |
||
777 |
/* FUNCTION RELEASE */ |
||
778 |
/* */ |
||
779 |
/* _gx_utility_332rgb_pixelmap_simple_alpha_rotate PORTABLE C */ |
||
780 |
/* 6.1 */ |
||
781 |
/* AUTHOR */ |
||
782 |
/* */ |
||
783 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
784 |
/* */ |
||
785 |
/* DESCRIPTION */ |
||
786 |
/* */ |
||
787 |
/* Internal helper function that handles 90, 180 and 270 degree */ |
||
788 |
/* rotation of an uncompressed pixelmap wih alpha. */ |
||
789 |
/* */ |
||
790 |
/* INPUT */ |
||
791 |
/* */ |
||
792 |
/* src The pixelmap to be rotated */ |
||
793 |
/* angle The angle to be rotated */ |
||
794 |
/* destination The rotated bitmap to be */ |
||
795 |
/* returned */ |
||
796 |
/* rot_cx X coordinate of rotation */ |
||
797 |
/* center */ |
||
798 |
/* rot_cy Y coordinate of rotation */ |
||
799 |
/* center */ |
||
800 |
/* */ |
||
801 |
/* OUTPUT */ |
||
802 |
/* */ |
||
803 |
/* None */ |
||
804 |
/* */ |
||
805 |
/* CALLS */ |
||
806 |
/* */ |
||
807 |
/* _gx_system_memory_allocator Memory Allocation routine */ |
||
808 |
/* */ |
||
809 |
/* CALLED BY */ |
||
810 |
/* */ |
||
811 |
/* _gx_utility_332rgb_pixelmap_simple_rotate */ |
||
812 |
/* */ |
||
813 |
/**************************************************************************/ |
||
814 |
39 |
static UINT _gx_utility_332rgb_pixelmap_simple_alpha_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
|
815 |
{ |
||
816 |
GX_UBYTE *put; |
||
817 |
GX_UBYTE *putalpha; |
||
818 |
GX_UBYTE *get; |
||
819 |
GX_UBYTE *getalpha; |
||
820 |
INT width; |
||
821 |
INT height; |
||
822 |
INT x, y; |
||
823 |
|||
824 |
39 |
width = src -> gx_pixelmap_width; |
|
825 |
39 |
height = src -> gx_pixelmap_height; |
|
826 |
|||
827 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
||
828 |
overflow cannot occur. */ |
||
829 |
39 |
destination -> gx_pixelmap_data_size = (UINT)(width * height) * sizeof(GX_UBYTE); |
|
830 |
39 |
destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
|
831 |
|||
832 |
✓✓ | 39 |
if (destination -> gx_pixelmap_data == GX_NULL) |
833 |
{ |
||
834 |
12 |
return GX_SYSTEM_MEMORY_ERROR; |
|
835 |
} |
||
836 |
|||
837 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
||
838 |
overflow cannot occur. */ |
||
839 |
27 |
destination -> gx_pixelmap_aux_data_size = (UINT)(width * height) * sizeof(GX_UBYTE); |
|
840 |
27 |
destination -> gx_pixelmap_aux_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_aux_data_size); |
|
841 |
|||
842 |
✓✓ | 27 |
if (destination -> gx_pixelmap_aux_data == GX_NULL) |
843 |
{ |
||
844 |
6 |
_gx_system_memory_free((VOID *)destination -> gx_pixelmap_data); |
|
845 |
6 |
return GX_SYSTEM_MEMORY_ERROR; |
|
846 |
} |
||
847 |
|||
848 |
21 |
put = (GX_UBYTE *)destination -> gx_pixelmap_data; |
|
849 |
21 |
putalpha = (GX_UBYTE *)destination -> gx_pixelmap_aux_data; |
|
850 |
|||
851 |
✓✓ | 21 |
if (angle == 90) |
852 |
{ |
||
853 |
7 |
GX_SWAP_VALS(width, height); |
|
854 |
|||
855 |
✓✓ | 1312 |
for (y = 0; y < height; y++) |
856 |
{ |
||
857 |
✓✓ | 264780 |
for (x = 0; x < width; x++) |
858 |
{ |
||
859 |
263475 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
|
860 |
263475 |
get += (width - 1 - x) * height; |
|
861 |
263475 |
get += y; |
|
862 |
|||
863 |
263475 |
getalpha = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
|
864 |
263475 |
getalpha += (width - 1 - x) * height; |
|
865 |
263475 |
getalpha += y; |
|
866 |
|||
867 |
263475 |
*put++ = *get; |
|
868 |
263475 |
*putalpha++ = *getalpha; |
|
869 |
} |
||
870 |
} |
||
871 |
|||
872 |
✓✓✓✓ |
7 |
if (rot_cx && rot_cy) |
873 |
{ |
||
874 |
1 |
x = *rot_cx; |
|
875 |
1 |
y = *rot_cy; |
|
876 |
|||
877 |
/* Get new rotation point. */ |
||
878 |
1 |
*rot_cx = width - 1 - y; |
|
879 |
1 |
*rot_cy = x; |
|
880 |
} |
||
881 |
} |
||
882 |
✓✓ | 14 |
else if (angle == 180) |
883 |
{ |
||
884 |
✓✓ | 1404 |
for (y = 0; y < height; y++) |
885 |
{ |
||
886 |
✓✓ | 264872 |
for (x = 0; x < width; x++) |
887 |
{ |
||
888 |
263475 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
|
889 |
263475 |
get += (height - 1 - y) * width; |
|
890 |
263475 |
get += width - 1 - x; |
|
891 |
|||
892 |
263475 |
getalpha = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
|
893 |
263475 |
getalpha += (height - 1 - y) * width; |
|
894 |
263475 |
getalpha += width - 1 - x; |
|
895 |
|||
896 |
263475 |
*put++ = *get; |
|
897 |
263475 |
*putalpha++ = *getalpha; |
|
898 |
} |
||
899 |
} |
||
900 |
|||
901 |
✓✓✓✓ |
7 |
if (rot_cx && rot_cy) |
902 |
{ |
||
903 |
1 |
x = *rot_cx; |
|
904 |
1 |
y = *rot_cy; |
|
905 |
|||
906 |
/* Get new rotation point. */ |
||
907 |
1 |
*rot_cx = width - 1 - x; |
|
908 |
1 |
*rot_cy = height - 1 - y; |
|
909 |
} |
||
910 |
} |
||
911 |
else |
||
912 |
{ |
||
913 |
/* angle = 270. */ |
||
914 |
7 |
GX_SWAP_VALS(width, height); |
|
915 |
|||
916 |
✓✓ | 1312 |
for (y = 0; y < height; y++) |
917 |
{ |
||
918 |
✓✓ | 264780 |
for (x = 0; x < width; x++) |
919 |
{ |
||
920 |
263475 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
|
921 |
263475 |
get += x * height; |
|
922 |
263475 |
get += height - 1 - y; |
|
923 |
|||
924 |
263475 |
getalpha = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
|
925 |
263475 |
getalpha += x * height; |
|
926 |
263475 |
getalpha += height - 1 - y; |
|
927 |
|||
928 |
263475 |
*put++ = *get; |
|
929 |
263475 |
*putalpha++ = *getalpha; |
|
930 |
} |
||
931 |
} |
||
932 |
|||
933 |
✓✓✓✓ |
7 |
if (rot_cx && rot_cy) |
934 |
{ |
||
935 |
1 |
x = *rot_cx; |
|
936 |
1 |
y = *rot_cy; |
|
937 |
|||
938 |
/* Get new rotation point. */ |
||
939 |
1 |
*rot_cx = y; |
|
940 |
1 |
*rot_cy = height - 1 - x; |
|
941 |
} |
||
942 |
} |
||
943 |
|||
944 |
21 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
|
945 |
21 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
|
946 |
|||
947 |
21 |
return GX_SUCCESS; |
|
948 |
} |
||
949 |
|||
950 |
/**************************************************************************/ |
||
951 |
/* */ |
||
952 |
/* FUNCTION RELEASE */ |
||
953 |
/* */ |
||
954 |
/* _gx_utility_332rgb_pixelmap_simple_rotate PORTABLE C */ |
||
955 |
/* 6.1 */ |
||
956 |
/* AUTHOR */ |
||
957 |
/* */ |
||
958 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
959 |
/* */ |
||
960 |
/* DESCRIPTION */ |
||
961 |
/* */ |
||
962 |
/* 332rgb pixelmap rotation function that handles 90, 180 and 270 */ |
||
963 |
/* degree case. */ |
||
964 |
/* */ |
||
965 |
/* INPUT */ |
||
966 |
/* */ |
||
967 |
/* src The pixelmap to be rotated */ |
||
968 |
/* angle The angle to be rotated */ |
||
969 |
/* destination The rotated bitmap to be */ |
||
970 |
/* returned */ |
||
971 |
/* rot_cx X coordinate of rotation */ |
||
972 |
/* center */ |
||
973 |
/* rot_cy Y coordinate of rotation */ |
||
974 |
/* center */ |
||
975 |
/* */ |
||
976 |
/* OUTPUT */ |
||
977 |
/* */ |
||
978 |
/* status Completion status */ |
||
979 |
/* */ |
||
980 |
/* CALLS */ |
||
981 |
/* */ |
||
982 |
/* _gx_utility_332rgb_pixelmap_simple_raw_rotate */ |
||
983 |
/* Rotate an 332rgb format */ |
||
984 |
/* pixelmap without alpha */ |
||
985 |
/* _gx_utility_332rgb_pixelmap_simple_alpha_rotate */ |
||
986 |
/* Rotate an 332rgb format */ |
||
987 |
/* pixelmap with alpha */ |
||
988 |
/* */ |
||
989 |
/* CALLED BY */ |
||
990 |
/* */ |
||
991 |
/* GUIX Internal Code */ |
||
992 |
/* */ |
||
993 |
/**************************************************************************/ |
||
994 |
60 |
UINT _gx_utility_332rgb_pixelmap_simple_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
|
995 |
{ |
||
996 |
UINT status; |
||
997 |
|||
998 |
✓✓ | 60 |
if (src -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
999 |
{ |
||
1000 |
/* alpha, no compression */ |
||
1001 |
39 |
status = _gx_utility_332rgb_pixelmap_simple_alpha_rotate(src, angle, destination, rot_cx, rot_cy); |
|
1002 |
} |
||
1003 |
else |
||
1004 |
{ |
||
1005 |
|||
1006 |
/* no compression or alpha */ |
||
1007 |
21 |
status = _gx_utility_332rgb_pixelmap_simple_raw_rotate(src, angle, destination, rot_cx, rot_cy); |
|
1008 |
} |
||
1009 |
|||
1010 |
60 |
return status; |
|
1011 |
} |
||
1012 |
|||
1013 |
/**************************************************************************/ |
||
1014 |
/* */ |
||
1015 |
/* FUNCTION RELEASE */ |
||
1016 |
/* */ |
||
1017 |
/* _gx_utility_332rgb_pixelmap_rotate PORTABLE C */ |
||
1018 |
/* 6.1 */ |
||
1019 |
/* AUTHOR */ |
||
1020 |
/* */ |
||
1021 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
1022 |
/* */ |
||
1023 |
/* DESCRIPTION */ |
||
1024 |
/* */ |
||
1025 |
/* 332rgb pixelmap rotation function that handles uncompress, with or */ |
||
1026 |
/* alpha channel. */ |
||
1027 |
/* */ |
||
1028 |
/* INPUT */ |
||
1029 |
/* */ |
||
1030 |
/* src The pixelmap to be rotated */ |
||
1031 |
/* angle The angle to be rotated */ |
||
1032 |
/* destination The rotated bitmap to be */ |
||
1033 |
/* returned */ |
||
1034 |
/* rot_cx X coordinate of rotation */ |
||
1035 |
/* center */ |
||
1036 |
/* rot_cy Y coordinate of rotation */ |
||
1037 |
/* center */ |
||
1038 |
/* */ |
||
1039 |
/* OUTPUT */ |
||
1040 |
/* */ |
||
1041 |
/* status Completion status */ |
||
1042 |
/* */ |
||
1043 |
/* CALLS */ |
||
1044 |
/* */ |
||
1045 |
/* _gx_utility_332rgb_pixelmap_raw_rotate */ |
||
1046 |
/* Rotate an 332rgb format */ |
||
1047 |
/* pixelmap without alpha */ |
||
1048 |
/* _gx_utility_332rgb_pixelmap_alpha_rotate */ |
||
1049 |
/* Rotate an 332rgb format */ |
||
1050 |
/* pixelmap with alpha */ |
||
1051 |
/* */ |
||
1052 |
/* CALLED BY */ |
||
1053 |
/* */ |
||
1054 |
/* GUIX Internal Code */ |
||
1055 |
/* */ |
||
1056 |
/**************************************************************************/ |
||
1057 |
730 |
UINT _gx_utility_332rgb_pixelmap_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
|
1058 |
{ |
||
1059 |
730 |
UINT status = 0; |
|
1060 |
|||
1061 |
✓✓ | 730 |
if (src -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
1062 |
{ |
||
1063 |
/* alpha, no compression */ |
||
1064 |
368 |
status = _gx_utility_332rgb_pixelmap_alpha_rotate(src, angle, destination, rot_cx, rot_cy); |
|
1065 |
} |
||
1066 |
else |
||
1067 |
{ |
||
1068 |
/* no compression or alpha */ |
||
1069 |
362 |
status = _gx_utility_332rgb_pixelmap_raw_rotate(src, angle, destination, rot_cx, rot_cy); |
|
1070 |
} |
||
1071 |
|||
1072 |
730 |
return status; |
|
1073 |
} |
||
1074 |
| Generated by: GCOVR (Version 4.1) |