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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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6 |
* https://opensource.org/licenses/MIT. |
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* |
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8 |
* SPDX-License-Identifier: MIT |
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9 |
**************************************************************************/ |
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10 |
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11 |
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12 |
/**************************************************************************/ |
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13 |
/**************************************************************************/ |
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14 |
/** */ |
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15 |
/** GUIX Component */ |
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16 |
/** */ |
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17 |
/** Utility (Utility) */ |
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18 |
/** */ |
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19 |
/**************************************************************************/ |
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20 |
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21 |
#define REDVAL(_c) (GX_UBYTE)((_c) >> 16) |
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22 |
#define GREENVAL(_c) (GX_UBYTE)((_c) >> 8) |
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23 |
#define BLUEVAL(_c) (GX_UBYTE)(_c) |
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24 |
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25 |
#define ASSEMBLECOLOR(_r, _g, _b) \ |
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26 |
(((_r) << 16) | \ |
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27 |
((_g) << 8) | \ |
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28 |
(_b)) |
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29 |
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30 |
#define BYTE_RANGE(_c) _c > 255 ? 255 : _c |
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31 |
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32 |
#define GX_SOURCE_CODE |
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33 |
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34 |
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35 |
/* Include necessary system files. */ |
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36 |
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37 |
#include "gx_api.h" |
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38 |
#include "gx_display.h" |
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39 |
#include "gx_context.h" |
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40 |
#include "gx_utility.h" |
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41 |
#include "gx_system.h" |
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42 |
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43 |
/**************************************************************************/ |
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44 |
/* */ |
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45 |
/* FUNCTION RELEASE */ |
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46 |
/* */ |
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47 |
/* _gx_utility_32argb_pixelmap_raw_rotate PORTABLE C */ |
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48 |
/* 6.1 */ |
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49 |
/* AUTHOR */ |
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50 |
/* */ |
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51 |
/* Kenneth Maxwell, Microsoft Corporation */ |
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52 |
/* */ |
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53 |
/* DESCRIPTION */ |
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54 |
/* */ |
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55 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
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56 |
/* without alpha. */ |
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57 |
/* */ |
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58 |
/* INPUT */ |
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59 |
/* */ |
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60 |
/* src The pixelmap to be rotated */ |
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61 |
/* angle The angle to be rotated */ |
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62 |
/* destination The rotated bitmap to be */ |
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63 |
/* returned */ |
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64 |
/* rot_cx X coordinate of rotation */ |
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65 |
/* center */ |
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66 |
/* rot_cy Y coordinate of rotation */ |
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67 |
/* center */ |
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68 |
/* */ |
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69 |
/* OUTPUT */ |
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70 |
/* */ |
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71 |
/* status Completion status */ |
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72 |
/* */ |
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73 |
/* CALLS */ |
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74 |
/* */ |
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75 |
/* _gx_system_memory_allocator Memory Allocation routine */ |
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76 |
/* _gx_utility_math_cos Compute the cosine value */ |
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77 |
/* _gx_utility_math_sin Compute the sine value */ |
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78 |
/* */ |
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79 |
/* CALLED BY */ |
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80 |
/* */ |
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81 |
/* GUIX Internal Code */ |
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82 |
/* */ |
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83 |
/* RELEASE HISTORY */ |
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84 |
/* */ |
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85 |
/* DATE NAME DESCRIPTION */ |
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86 |
/* */ |
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87 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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88 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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89 |
/* resulting in version 6.1 */ |
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90 |
/* */ |
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91 |
/**************************************************************************/ |
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92 |
1428 |
static UINT _gx_utility_32argb_pixelmap_raw_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
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93 |
{ |
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94 |
GX_COLOR *put; |
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95 |
GX_COLOR *get; |
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96 |
INT srcxres; |
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97 |
INT srcyres; |
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98 |
INT cosv; |
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99 |
INT sinv; |
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100 |
INT alpha; |
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101 |
GX_COLOR red, green, blue; |
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102 |
INT idxminx, idxmaxx, idxmaxy; |
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103 |
INT *mx; |
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104 |
INT *my; |
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105 |
GX_FIXED_VAL xres; |
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106 |
GX_FIXED_VAL yres; |
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107 |
INT width, height; |
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108 |
INT x, y; |
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109 |
INT xx, yy; |
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110 |
GX_COLOR a, b, c, d; |
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111 |
INT xdiff, ydiff; |
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112 |
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113 |
1428 |
mx = _gx_system_scratchpad; |
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114 |
1428 |
my = mx + 4; |
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115 |
|||
116 |
1428 |
mx[0] = mx[3] = -1; |
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117 |
1428 |
mx[1] = mx[2] = 1; |
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118 |
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119 |
1428 |
my[0] = my[1] = 1; |
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120 |
1428 |
my[2] = my[3] = -1; |
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121 |
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122 |
1428 |
idxminx = (angle / 90) & 0x3; |
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123 |
1428 |
idxmaxx = (idxminx + 2) & 0x3; |
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124 |
1428 |
idxmaxy = (idxminx + 1) & 0x3; |
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125 |
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126 |
/* Calculate the source x and y center. */ |
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127 |
1428 |
srcxres = src -> gx_pixelmap_width >> 1; |
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128 |
1428 |
srcyres = src -> gx_pixelmap_height >> 1; |
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129 |
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130 |
1428 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
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131 |
1428 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
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132 |
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133 |
1428 |
xres = mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv; |
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134 |
1428 |
yres = my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv; |
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135 |
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136 |
1428 |
xres = GX_FIXED_VAL_TO_INT(xres); |
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137 |
1428 |
yres = GX_FIXED_VAL_TO_INT(yres); |
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138 |
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139 |
/* Calculate destination width and height. */ |
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140 |
1428 |
width = (xres << 1); |
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141 |
1428 |
height = (yres << 1); |
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142 |
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143 |
/* Calculate the new rotation axis. */ |
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144 |
✓✓✓✓ |
1428 |
if (rot_cx && rot_cy) |
145 |
{ |
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146 |
1424 |
x = ((*rot_cx) - srcxres) * cosv - ((*rot_cy) - srcyres) * sinv; |
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147 |
1424 |
y = ((*rot_cy) - srcyres) * cosv + ((*rot_cx) - srcxres) * sinv; |
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148 |
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149 |
1424 |
srcxres = *rot_cx; |
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150 |
1424 |
srcyres = *rot_cy; |
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151 |
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152 |
1424 |
x = GX_FIXED_VAL_TO_INT(x) + xres; |
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153 |
1424 |
y = GX_FIXED_VAL_TO_INT(y) + yres; |
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154 |
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155 |
1424 |
*rot_cx = x; |
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156 |
1424 |
*rot_cy = y; |
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157 |
|||
158 |
1424 |
xres = *rot_cx; |
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159 |
1424 |
yres = *rot_cy; |
|
160 |
} |
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161 |
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162 |
1428 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
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163 |
1428 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
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164 |
1428 |
destination -> gx_pixelmap_flags |= GX_PIXELMAP_ALPHA; |
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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 |
1428 |
destination -> gx_pixelmap_data_size = (UINT)(height * width) * sizeof(GX_COLOR); |
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169 |
1428 |
destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
|
170 |
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171 |
✓✓ | 1428 |
if (destination -> gx_pixelmap_data == GX_NULL) |
172 |
{ |
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173 |
2 |
return GX_SYSTEM_MEMORY_ERROR; |
|
174 |
} |
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175 |
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176 |
1426 |
put = (GX_COLOR *)destination -> gx_pixelmap_data; |
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177 |
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178 |
/* Loop through the destination's pixels. */ |
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179 |
✓✓ | 339462 |
for (y = 0; y < height; y++) |
180 |
{ |
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181 |
✓✓ | 79587164 |
for (x = 0; x < width; x++) |
182 |
{ |
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183 |
79249128 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
184 |
79249128 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
185 |
|||
186 |
79249128 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
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187 |
79249128 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
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188 |
|||
189 |
79249128 |
xx = GX_FIXED_VAL_TO_INT(xx) + srcxres; |
|
190 |
79249128 |
yy = GX_FIXED_VAL_TO_INT(yy) + srcyres; |
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191 |
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192 |
✓✓✓✓ ✓✓ |
79249128 |
if ((xx >= -1) && (xx < src -> gx_pixelmap_width) && |
193 |
✓✓ | 50310772 |
(yy >= -1) && (yy < src -> gx_pixelmap_height)) |
194 |
{ |
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195 |
✓✓✓✓ ✓✓ |
43834332 |
if ((xx >= 0) && (xx < src -> gx_pixelmap_width - 1) && |
196 |
✓✓ | 43007014 |
(yy >= 0) && (yy < src -> gx_pixelmap_height - 1)) |
197 |
{ |
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198 |
42786298 |
get = (GX_COLOR *)src -> gx_pixelmap_data; |
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199 |
42786298 |
get += yy * src -> gx_pixelmap_width; |
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200 |
42786298 |
get += xx; |
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201 |
|||
202 |
42786298 |
a = *get; |
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203 |
42786298 |
b = *(get + 1); |
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204 |
42786298 |
c = *(get + src -> gx_pixelmap_width); |
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205 |
42786298 |
d = *(get + src -> gx_pixelmap_width + 1); |
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206 |
|||
207 |
42786298 |
alpha = 0xff; |
|
208 |
} |
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209 |
else |
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210 |
{ |
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211 |
1048034 |
get = (GX_COLOR *)src -> gx_pixelmap_data; |
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212 |
|||
213 |
1048034 |
a = 0; |
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214 |
1048034 |
b = 0; |
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215 |
1048034 |
c = 0; |
|
216 |
1048034 |
d = 0; |
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217 |
1048034 |
alpha = 0; |
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218 |
|||
219 |
✓✓ | 1048034 |
if (xx == -1) |
220 |
{ |
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221 |
/* handle left edge. */ |
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222 |
✓✓ | 303782 |
if (yy >= 0) |
223 |
{ |
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224 |
302424 |
b = *(get + yy * src -> gx_pixelmap_width); |
|
225 |
} |
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226 |
|||
227 |
✓✓ | 303782 |
if (yy < src -> gx_pixelmap_height - 1) |
228 |
{ |
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229 |
302350 |
d = *(get + (yy + 1) * src -> gx_pixelmap_width); |
|
230 |
} |
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231 |
} |
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232 |
✓✓ | 744252 |
else if (yy == -1) |
233 |
{ |
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234 |
/* handle top edge. */ |
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235 |
220644 |
c = *(get + xx); |
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236 |
|||
237 |
✓✓ | 220644 |
if (xx < src -> gx_pixelmap_width - 1) |
238 |
{ |
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239 |
219210 |
d = *(get + xx + 1); |
|
240 |
} |
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241 |
} |
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242 |
✓✓ | 523608 |
else if (xx == src -> gx_pixelmap_width - 1) |
243 |
{ |
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244 |
/* handle right edget. */ |
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245 |
302892 |
a = *(get + yy * src -> gx_pixelmap_width + xx); |
|
246 |
|||
247 |
✓✓ | 302892 |
if (yy < src -> gx_pixelmap_height - 1) |
248 |
{ |
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249 |
301458 |
c = *(get + (yy + 1) * src -> gx_pixelmap_width + xx); |
|
250 |
} |
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251 |
} |
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252 |
else |
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253 |
{ |
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254 |
/* handle bottom edge. */ |
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255 |
220716 |
a = *(get + yy * src -> gx_pixelmap_width + xx); |
|
256 |
220716 |
b = *(get + yy * src -> gx_pixelmap_width + xx + 1); |
|
257 |
} |
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258 |
|||
259 |
✓✓ | 1048034 |
if (a) |
260 |
{ |
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261 |
523608 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
262 |
} |
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263 |
|||
264 |
✓✓ | 1048034 |
if (b) |
265 |
{ |
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266 |
523140 |
alpha += xdiff * (256 - ydiff); |
|
267 |
} |
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268 |
|||
269 |
✓✓ | 1048034 |
if (c) |
270 |
{ |
||
271 |
522102 |
alpha += ydiff * (256 - xdiff); |
|
272 |
} |
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273 |
|||
274 |
✓✓ | 1048034 |
if (d) |
275 |
{ |
||
276 |
521560 |
alpha += xdiff * ydiff; |
|
277 |
} |
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278 |
|||
279 |
1048034 |
alpha >>= 8; |
|
280 |
} |
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281 |
|||
282 |
43834332 |
red = (GX_COLOR)((REDVAL(a) * (256 - xdiff) * (256 - ydiff) + \ |
|
283 |
43834332 |
REDVAL(b) * xdiff * (256 - ydiff) + \ |
|
284 |
43834332 |
REDVAL(c) * ydiff * (256 - xdiff) + \ |
|
285 |
43834332 |
REDVAL(d) * xdiff * ydiff) >> 16); |
|
286 |
|||
287 |
43834332 |
green = (GX_COLOR)((GREENVAL(a) * (256 - xdiff) * (256 - ydiff) + \ |
|
288 |
43834332 |
GREENVAL(b) * xdiff * (256 - ydiff) + \ |
|
289 |
43834332 |
GREENVAL(c) * ydiff * (256 - xdiff) + \ |
|
290 |
43834332 |
GREENVAL(d) * xdiff * ydiff) >> 16); |
|
291 |
|||
292 |
43834332 |
blue = (GX_COLOR)((BLUEVAL(a) * (256 - xdiff) * (256 - ydiff) + \ |
|
293 |
43834332 |
BLUEVAL(b) * xdiff * (256 - ydiff) + \ |
|
294 |
43834332 |
BLUEVAL(c) * ydiff * (256 - xdiff) + \ |
|
295 |
43834332 |
BLUEVAL(d) * xdiff * ydiff) >> 16); |
|
296 |
|||
297 |
✓✓✓✓ |
43834332 |
if ((alpha > 0) && (alpha < 0xff)) |
298 |
{ |
||
299 |
1039086 |
red = (red << 8) / (ULONG)alpha; |
|
300 |
1039086 |
green = (green << 8) / (ULONG)alpha; |
|
301 |
1039086 |
blue = (blue << 8) / (ULONG)alpha; |
|
302 |
} |
||
303 |
|||
304 |
43834332 |
red = BYTE_RANGE(red); |
|
305 |
43834332 |
green = BYTE_RANGE(green); |
|
306 |
43834332 |
blue = BYTE_RANGE(blue); |
|
307 |
43834332 |
alpha = BYTE_RANGE(alpha); |
|
308 |
|||
309 |
43834332 |
*put++ = ASSEMBLECOLOR(red, green, blue) + (ULONG)(alpha << 24); |
|
310 |
} |
||
311 |
else |
||
312 |
{ |
||
313 |
35414796 |
*put++ = 0; |
|
314 |
} |
||
315 |
} |
||
316 |
} |
||
317 |
|||
318 |
1426 |
return GX_SUCCESS; |
|
319 |
} |
||
320 |
|||
321 |
/**************************************************************************/ |
||
322 |
/* */ |
||
323 |
/* FUNCTION RELEASE */ |
||
324 |
/* */ |
||
325 |
/* _gx_utility_32argb_pixelmap_alpha_rotate PORTABLE C */ |
||
326 |
/* 6.1 */ |
||
327 |
/* AUTHOR */ |
||
328 |
/* */ |
||
329 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
330 |
/* */ |
||
331 |
/* DESCRIPTION */ |
||
332 |
/* */ |
||
333 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
||
334 |
/* with alpha. */ |
||
335 |
/* */ |
||
336 |
/* INPUT */ |
||
337 |
/* */ |
||
338 |
/* src The pixelmap to be rotated */ |
||
339 |
/* angle The angle to be rotated */ |
||
340 |
/* destination The rotated bitmap to be */ |
||
341 |
/* returned */ |
||
342 |
/* rot_cx X coordinate of rotation */ |
||
343 |
/* center */ |
||
344 |
/* rot_cy Y coordinate of rotation */ |
||
345 |
/* center */ |
||
346 |
/* */ |
||
347 |
/* OUTPUT */ |
||
348 |
/* */ |
||
349 |
/* status Completion status */ |
||
350 |
/* */ |
||
351 |
/* CALLS */ |
||
352 |
/* */ |
||
353 |
/* _gx_system_memory_allocator Memory Allocation routine */ |
||
354 |
/* _gx_utility_math_cos Compute the cosine value */ |
||
355 |
/* _gx_utility_math_sin Compute the sine value */ |
||
356 |
/* */ |
||
357 |
/* CALLED BY */ |
||
358 |
/* */ |
||
359 |
/* GUIX Internal Code */ |
||
360 |
/* */ |
||
361 |
/* RELEASE HISTORY */ |
||
362 |
/* */ |
||
363 |
/* DATE NAME DESCRIPTION */ |
||
364 |
/* */ |
||
365 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
366 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
367 |
/* resulting in version 6.1 */ |
||
368 |
/* */ |
||
369 |
/**************************************************************************/ |
||
370 |
3029 |
static UINT _gx_utility_32argb_pixelmap_alpha_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
|
371 |
{ |
||
372 |
GX_COLOR *put; |
||
373 |
GX_COLOR *get; |
||
374 |
INT srcxres; |
||
375 |
INT srcyres; |
||
376 |
INT cosv; |
||
377 |
INT sinv; |
||
378 |
INT alpha; |
||
379 |
GX_COLOR red, green, blue; |
||
380 |
INT idxminx, idxmaxx, idxmaxy; |
||
381 |
INT *mx; |
||
382 |
INT *my; |
||
383 |
INT xres; |
||
384 |
INT yres; |
||
385 |
INT width, height; |
||
386 |
INT x, y; |
||
387 |
INT xx, yy; |
||
388 |
GX_COLOR a, b, c, d; |
||
389 |
INT xdiff, ydiff; |
||
390 |
|||
391 |
3029 |
mx = _gx_system_scratchpad; |
|
392 |
3029 |
my = mx + 4; |
|
393 |
|||
394 |
3029 |
mx[0] = mx[3] = -1; |
|
395 |
3029 |
mx[1] = mx[2] = 1; |
|
396 |
|||
397 |
3029 |
my[0] = my[1] = 1; |
|
398 |
3029 |
my[2] = my[3] = -1; |
|
399 |
|||
400 |
3029 |
idxminx = (angle / 90) & 0x3; |
|
401 |
3029 |
idxmaxx = (idxminx + 2) & 0x3; |
|
402 |
3029 |
idxmaxy = (idxminx + 1) & 0x3; |
|
403 |
|||
404 |
/* Calculate the source x and y center. */ |
||
405 |
3029 |
srcxres = src -> gx_pixelmap_width >> 1; |
|
406 |
3029 |
srcyres = src -> gx_pixelmap_height >> 1; |
|
407 |
|||
408 |
3029 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
409 |
3029 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
410 |
|||
411 |
3029 |
xres = mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv; |
|
412 |
3029 |
yres = my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv; |
|
413 |
|||
414 |
3029 |
xres = GX_FIXED_VAL_TO_INT(xres); |
|
415 |
3029 |
yres = GX_FIXED_VAL_TO_INT(yres); |
|
416 |
|||
417 |
/* Calculate destination width and height. */ |
||
418 |
3029 |
width = (xres << 1); |
|
419 |
3029 |
height = (yres << 1); |
|
420 |
|||
421 |
/* Calculate the new rotation axis. */ |
||
422 |
✓✓✓✓ |
3029 |
if (rot_cx && rot_cy) |
423 |
{ |
||
424 |
3025 |
x = ((*rot_cx) - srcxres) * cosv - ((*rot_cy) - srcyres) * sinv; |
|
425 |
3025 |
y = ((*rot_cy) - srcyres) * cosv + ((*rot_cx) - srcxres) * sinv; |
|
426 |
|||
427 |
3025 |
srcxres = *rot_cx; |
|
428 |
3025 |
srcyres = *rot_cy; |
|
429 |
|||
430 |
3025 |
x = GX_FIXED_VAL_TO_INT(x) + xres; |
|
431 |
3025 |
y = GX_FIXED_VAL_TO_INT(y) + yres; |
|
432 |
|||
433 |
3025 |
*rot_cx = x; |
|
434 |
3025 |
*rot_cy = y; |
|
435 |
|||
436 |
3025 |
xres = *rot_cx; |
|
437 |
3025 |
yres = *rot_cy; |
|
438 |
} |
||
439 |
|||
440 |
3029 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
|
441 |
3029 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
|
442 |
3029 |
destination -> gx_pixelmap_flags |= GX_PIXELMAP_ALPHA; |
|
443 |
|||
444 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
||
445 |
overflow cannot occur. */ |
||
446 |
3029 |
destination -> gx_pixelmap_data_size = (UINT)(height * width) * sizeof(GX_COLOR); |
|
447 |
3029 |
destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
|
448 |
|||
449 |
✓✓ | 3029 |
if (destination -> gx_pixelmap_data == GX_NULL) |
450 |
{ |
||
451 |
2 |
return GX_SYSTEM_MEMORY_ERROR; |
|
452 |
} |
||
453 |
|||
454 |
3027 |
put = (GX_COLOR *)destination -> gx_pixelmap_data; |
|
455 |
|||
456 |
/* Loop through the source's pixels. */ |
||
457 |
✓✓ | 578799 |
for (y = 0; y < height; y++) |
458 |
{ |
||
459 |
✓✓ | 140564312 |
for (x = 0; x < width; x++) |
460 |
{ |
||
461 |
139988540 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
462 |
139988540 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
463 |
|||
464 |
139988540 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
465 |
139988540 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
466 |
|||
467 |
139988540 |
xx = GX_FIXED_VAL_TO_INT(xx); |
|
468 |
139988540 |
yy = GX_FIXED_VAL_TO_INT(yy); |
|
469 |
|||
470 |
139988540 |
xx += srcxres; |
|
471 |
139988540 |
yy += srcyres; |
|
472 |
|||
473 |
✓✓✓✓ ✓✓ |
139988540 |
if ((xx >= -1) && (xx < src -> gx_pixelmap_width) && |
474 |
✓✓ | 95901890 |
(yy >= -1) && (yy < src -> gx_pixelmap_height)) |
475 |
{ |
||
476 |
✓✓✓✓ ✓✓ |
80857555 |
if ((xx >= 0) && (xx < src -> gx_pixelmap_width - 1) && \ |
477 |
✓✓ | 79473608 |
(yy >= 0) && (yy < src -> gx_pixelmap_height - 1)) |
478 |
{ |
||
479 |
79074481 |
get = (GX_COLOR *)src -> gx_pixelmap_data; |
|
480 |
79074481 |
get += yy * src -> gx_pixelmap_width; |
|
481 |
79074481 |
get += xx; |
|
482 |
|||
483 |
79074481 |
a = *get; |
|
484 |
79074481 |
b = *(get + 1); |
|
485 |
79074481 |
c = *(get + src -> gx_pixelmap_width); |
|
486 |
79074481 |
d = *(get + src -> gx_pixelmap_width + 1); |
|
487 |
} |
||
488 |
else |
||
489 |
{ |
||
490 |
1783074 |
get = (GX_COLOR *)src -> gx_pixelmap_data; |
|
491 |
|||
492 |
1783074 |
a = 0; |
|
493 |
1783074 |
b = a; |
|
494 |
1783074 |
c = a; |
|
495 |
1783074 |
d = a; |
|
496 |
|||
497 |
✓✓ | 1783074 |
if (xx == -1) |
498 |
{ |
||
499 |
/* handle left edge. */ |
||
500 |
✓✓ | 491850 |
if (yy >= 0) |
501 |
{ |
||
502 |
489103 |
b = *(get + yy * src -> gx_pixelmap_width); |
|
503 |
} |
||
504 |
|||
505 |
✓✓ | 491850 |
if (yy < src -> gx_pixelmap_height - 1) |
506 |
{ |
||
507 |
489059 |
d = *(get + (yy + 1) * src -> gx_pixelmap_width); |
|
508 |
} |
||
509 |
} |
||
510 |
✓✓ | 1291224 |
else if (yy == -1) |
511 |
{ |
||
512 |
/* handle top edge. */ |
||
513 |
401706 |
c = *(get + xx); |
|
514 |
|||
515 |
✓✓ | 401706 |
if (xx < src -> gx_pixelmap_width - 1) |
516 |
{ |
||
517 |
399012 |
d = *(get + xx + 1); |
|
518 |
} |
||
519 |
} |
||
520 |
✓✓ | 889518 |
else if (xx == src -> gx_pixelmap_width - 1) |
521 |
{ |
||
522 |
/* handle right edget. */ |
||
523 |
490391 |
a = *(get + yy * src -> gx_pixelmap_width + xx); |
|
524 |
|||
525 |
✓✓ | 490391 |
if (yy < src -> gx_pixelmap_height - 1) |
526 |
{ |
||
527 |
487585 |
c = *(get + (yy + 1) * src -> gx_pixelmap_width + xx); |
|
528 |
} |
||
529 |
} |
||
530 |
else |
||
531 |
{ |
||
532 |
/* handle bottom edge. */ |
||
533 |
399127 |
a = *(get + yy * src -> gx_pixelmap_width + xx); |
|
534 |
399127 |
b = *(get + yy * src -> gx_pixelmap_width + xx + 1); |
|
535 |
} |
||
536 |
} |
||
537 |
|||
538 |
80857555 |
red = (ULONG)((REDVAL(a) * (a >> 24) * (256 - (ULONG)xdiff) * (256 - (ULONG)ydiff) + \ |
|
539 |
80857555 |
REDVAL(b) * (b >> 24) * (ULONG)xdiff * (256 - (ULONG)ydiff) + \ |
|
540 |
80857555 |
REDVAL(c) * (c >> 24) * (ULONG)ydiff * (256 - (ULONG)xdiff) + \ |
|
541 |
80857555 |
REDVAL(d) * (d >> 24) * (ULONG)xdiff * (ULONG)ydiff) >> 16); |
|
542 |
|||
543 |
80857555 |
green = (ULONG)((GREENVAL(a) * (a >> 24) * (256 - (ULONG)xdiff) * (256 - (ULONG)ydiff) + \ |
|
544 |
80857555 |
GREENVAL(b) * (b >> 24) * (ULONG)xdiff * (256 - (ULONG)ydiff) + \ |
|
545 |
80857555 |
GREENVAL(c) * (c >> 24) * (ULONG)ydiff * (256 - (ULONG)xdiff) + \ |
|
546 |
80857555 |
GREENVAL(d) * (d >> 24) * (ULONG)xdiff * (ULONG)ydiff) >> 16); |
|
547 |
|||
548 |
80857555 |
blue = (ULONG)((BLUEVAL(a) * (a >> 24) * (256 - (ULONG)xdiff) * (256 - (ULONG)ydiff) + \ |
|
549 |
80857555 |
BLUEVAL(b) * (b >> 24) * (ULONG)xdiff * (256 - (ULONG)ydiff) + \ |
|
550 |
80857555 |
BLUEVAL(c) * (c >> 24) * (ULONG)ydiff * (256 - (ULONG)xdiff) + \ |
|
551 |
80857555 |
BLUEVAL(d) * (d >> 24) * (ULONG)xdiff * (ULONG)ydiff) >> 16); |
|
552 |
|||
553 |
80857555 |
alpha = (INT)(((a >> 24) * (256 - (ULONG)xdiff) * (256 - (ULONG)ydiff) + \ |
|
554 |
80857555 |
(b >> 24) * (ULONG)xdiff * (256 - (ULONG)ydiff) + \ |
|
555 |
80857555 |
(c >> 24) * (ULONG)ydiff * (256 - (ULONG)xdiff) + \ |
|
556 |
80857555 |
(d >> 24) * (ULONG)xdiff * (ULONG)ydiff) >> 16); |
|
557 |
|||
558 |
✓✓ | 80857555 |
if (alpha) |
559 |
{ |
||
560 |
55241753 |
red /= (ULONG)alpha; |
|
561 |
55241753 |
green /= (ULONG)alpha; |
|
562 |
55241753 |
blue /= (ULONG)alpha; |
|
563 |
} |
||
564 |
|||
565 |
80857555 |
red = BYTE_RANGE(red); |
|
566 |
80857555 |
green = BYTE_RANGE(green); |
|
567 |
80857555 |
blue = BYTE_RANGE(blue); |
|
568 |
80857555 |
alpha = BYTE_RANGE(alpha); |
|
569 |
|||
570 |
80857555 |
*put++ = ASSEMBLECOLOR(red, green, blue) + ((ULONG)alpha << 24); |
|
571 |
} |
||
572 |
else |
||
573 |
{ |
||
574 |
59130985 |
*put++ = 0; |
|
575 |
} |
||
576 |
} |
||
577 |
} |
||
578 |
|||
579 |
3027 |
return GX_SUCCESS; |
|
580 |
} |
||
581 |
|||
582 |
/**************************************************************************/ |
||
583 |
/* */ |
||
584 |
/* FUNCTION RELEASE */ |
||
585 |
/* */ |
||
586 |
/* _gx_utility_32argb_pixelmap_rotate PORTABLE C */ |
||
587 |
/* 6.1 */ |
||
588 |
/* AUTHOR */ |
||
589 |
/* */ |
||
590 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
591 |
/* */ |
||
592 |
/* DESCRIPTION */ |
||
593 |
/* */ |
||
594 |
/* 32argb pixelmap rotation function that handles uncompress, with or */ |
||
595 |
/* without alpha channel. */ |
||
596 |
/* */ |
||
597 |
/* INPUT */ |
||
598 |
/* */ |
||
599 |
/* src The pixelmap to be rotated */ |
||
600 |
/* angle The angle to be rotated */ |
||
601 |
/* destination The rotated bitmap to be */ |
||
602 |
/* returned */ |
||
603 |
/* rot_cx X coordinate of rotation */ |
||
604 |
/* center */ |
||
605 |
/* rot_cy Y coordinate of rotation */ |
||
606 |
/* center */ |
||
607 |
/* */ |
||
608 |
/* OUTPUT */ |
||
609 |
/* */ |
||
610 |
/* status Completion status */ |
||
611 |
/* */ |
||
612 |
/* CALLS */ |
||
613 |
/* */ |
||
614 |
/* _gx_utility_32argb_pixelmap_alpha_rotate */ |
||
615 |
/* Rotate an 32bpp pixelmap with */ |
||
616 |
/* alpha channel */ |
||
617 |
/* _gx_utility_32argb_pixelmap_raw_rotate */ |
||
618 |
/* Rotate an 32bpp pixelmap */ |
||
619 |
/* without channel */ |
||
620 |
/* */ |
||
621 |
/* CALLED BY */ |
||
622 |
/* */ |
||
623 |
/* GUIX Internal Code */ |
||
624 |
/* */ |
||
625 |
/* RELEASE HISTORY */ |
||
626 |
/* */ |
||
627 |
/* DATE NAME DESCRIPTION */ |
||
628 |
/* */ |
||
629 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
630 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
631 |
/* resulting in version 6.1 */ |
||
632 |
/* */ |
||
633 |
/**************************************************************************/ |
||
634 |
4457 |
UINT _gx_utility_32argb_pixelmap_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
|
635 |
{ |
||
636 |
UINT status; |
||
637 |
|||
638 |
✓✓ | 4457 |
if (src -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
639 |
{ |
||
640 |
|||
641 |
/* alpha, no compression */ |
||
642 |
3029 |
status = _gx_utility_32argb_pixelmap_alpha_rotate(src, angle, destination, rot_cx, rot_cy); |
|
643 |
} |
||
644 |
else |
||
645 |
{ |
||
646 |
/* no compression or alpha */ |
||
647 |
1428 |
status = _gx_utility_32argb_pixelmap_raw_rotate(src, angle, destination, rot_cx, rot_cy); |
|
648 |
} |
||
649 |
|||
650 |
4457 |
return status; |
|
651 |
} |
||
652 |
|||
653 |
/**************************************************************************/ |
||
654 |
/* */ |
||
655 |
/* FUNCTION RELEASE */ |
||
656 |
/* */ |
||
657 |
/* _gx_utility_32argb_pixelmap_simple_rotate PORTABLE C */ |
||
658 |
/* 6.1 */ |
||
659 |
/* AUTHOR */ |
||
660 |
/* */ |
||
661 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
662 |
/* */ |
||
663 |
/* DESCRIPTION */ |
||
664 |
/* */ |
||
665 |
/* 32argb pixelmap simple rotation function that hangles 90, 180 and */ |
||
666 |
/* 270 degreen case of uncompress, with or without alpha channel. */ |
||
667 |
/* */ |
||
668 |
/* INPUT */ |
||
669 |
/* */ |
||
670 |
/* src The pixelmap to be rotated */ |
||
671 |
/* angle The angle to be rotated */ |
||
672 |
/* destination The rotated bitmap to be */ |
||
673 |
/* returned */ |
||
674 |
/* rot_cx X coordinate of rotation */ |
||
675 |
/* center */ |
||
676 |
/* rot_cy Y coordinate of rotation */ |
||
677 |
/* center */ |
||
678 |
/* */ |
||
679 |
/* OUTPUT */ |
||
680 |
/* */ |
||
681 |
/* status Completion status */ |
||
682 |
/* */ |
||
683 |
/* CALLS */ |
||
684 |
/* */ |
||
685 |
/* _gx_system_memory_allocator Memory Allocation routine */ |
||
686 |
/* */ |
||
687 |
/* CALLED BY */ |
||
688 |
/* */ |
||
689 |
/* GUIX Internal Code */ |
||
690 |
/* */ |
||
691 |
/* RELEASE HISTORY */ |
||
692 |
/* */ |
||
693 |
/* DATE NAME DESCRIPTION */ |
||
694 |
/* */ |
||
695 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
696 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
697 |
/* resulting in version 6.1 */ |
||
698 |
/* */ |
||
699 |
/**************************************************************************/ |
||
700 |
86 |
UINT _gx_utility_32argb_pixelmap_simple_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
|
701 |
{ |
||
702 |
GX_COLOR *put; |
||
703 |
GX_COLOR *get; |
||
704 |
INT width, height; |
||
705 |
INT x, y; |
||
706 |
|||
707 |
86 |
width = src -> gx_pixelmap_height; |
|
708 |
86 |
height = src -> gx_pixelmap_width; |
|
709 |
|||
710 |
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
||
711 |
overflow cannot occur. */ |
||
712 |
86 |
destination -> gx_pixelmap_data_size = (UINT)(width * height) * sizeof(GX_COLOR); |
|
713 |
86 |
destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
|
714 |
|||
715 |
✓✓ | 86 |
if (destination -> gx_pixelmap_data == GX_NULL) |
716 |
{ |
||
717 |
12 |
return GX_SYSTEM_MEMORY_ERROR; |
|
718 |
} |
||
719 |
|||
720 |
✓✓ | 74 |
if (angle == 90) |
721 |
{ |
||
722 |
30 |
put = (GX_COLOR *)destination -> gx_pixelmap_data; |
|
723 |
|||
724 |
✓✓ | 4378 |
for (y = 0; y < height; y++) |
725 |
{ |
||
726 |
✓✓ | 818872 |
for (x = 0; x < width; x++) |
727 |
{ |
||
728 |
814524 |
get = (GX_COLOR *)src -> gx_pixelmap_data; |
|
729 |
814524 |
get += (width - 1 - x) * height; |
|
730 |
814524 |
get += y; |
|
731 |
|||
732 |
814524 |
*put++ = *get; |
|
733 |
} |
||
734 |
} |
||
735 |
|||
736 |
✓✓✓✓ |
30 |
if (rot_cx && rot_cy) |
737 |
{ |
||
738 |
26 |
x = *rot_cx; |
|
739 |
26 |
y = *rot_cy; |
|
740 |
|||
741 |
/* Get new rotation point. */ |
||
742 |
26 |
*rot_cx = (width - 1 - y); |
|
743 |
26 |
*rot_cy = x; |
|
744 |
} |
||
745 |
} |
||
746 |
✓✓ | 44 |
else if (angle == 180) |
747 |
{ |
||
748 |
25 |
GX_SWAP_VALS(width, height); |
|
749 |
|||
750 |
25 |
put = (GX_COLOR *)destination -> gx_pixelmap_data; |
|
751 |
|||
752 |
✓✓ | 3999 |
for (y = 0; y < height; y++) |
753 |
{ |
||
754 |
✓✓ | 548786 |
for (x = 0; x < width; x++) |
755 |
{ |
||
756 |
544812 |
get = (GX_COLOR *)src -> gx_pixelmap_data; |
|
757 |
544812 |
get += (height - 1 - y) * width; |
|
758 |
544812 |
get += width - 1 - x; |
|
759 |
|||
760 |
544812 |
*put++ = *get; |
|
761 |
} |
||
762 |
} |
||
763 |
|||
764 |
✓✓✓✓ |
25 |
if (rot_cx && rot_cy) |
765 |
{ |
||
766 |
21 |
x = *rot_cx; |
|
767 |
21 |
y = *rot_cy; |
|
768 |
|||
769 |
/* Get new rotation point. */ |
||
770 |
21 |
*rot_cx = (width - 1 - x); |
|
771 |
21 |
*rot_cy = (height - 1 - y); |
|
772 |
} |
||
773 |
} |
||
774 |
else |
||
775 |
{ |
||
776 |
/* angle = 270. */ |
||
777 |
19 |
put = (GX_COLOR *)destination -> gx_pixelmap_data; |
|
778 |
|||
779 |
✓✓ | 2728 |
for (y = 0; y < height; y++) |
780 |
{ |
||
781 |
✓✓ | 522213 |
for (x = 0; x < width; x++) |
782 |
{ |
||
783 |
519504 |
get = (GX_COLOR *)src -> gx_pixelmap_data; |
|
784 |
519504 |
get += x * height; |
|
785 |
519504 |
get += height - 1 - y; |
|
786 |
|||
787 |
519504 |
*put++ = *get; |
|
788 |
} |
||
789 |
} |
||
790 |
|||
791 |
✓✓✓✓ |
19 |
if (rot_cx && rot_cy) |
792 |
{ |
||
793 |
15 |
x = *rot_cx; |
|
794 |
15 |
y = *rot_cy; |
|
795 |
|||
796 |
/* Get new rotation point. */ |
||
797 |
15 |
*rot_cx = y; |
|
798 |
15 |
*rot_cy = (height - 1 - x); |
|
799 |
} |
||
800 |
} |
||
801 |
|||
802 |
74 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
|
803 |
74 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
|
804 |
|||
805 |
74 |
return GX_SUCCESS; |
|
806 |
} |
||
807 |
| Generated by: GCOVR (Version 4.1) |