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| Line | Branch | Exec | Source |
1 |
/*************************************************************************** |
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2 |
* Copyright (c) 2024 Microsoft Corporation |
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3 |
* |
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4 |
* This program and the accompanying materials are made available under the |
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5 |
* terms of the MIT License which is available at |
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6 |
* https://opensource.org/licenses/MIT. |
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7 |
* |
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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 |
/** Display Management (Display) */ |
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18 |
/** */ |
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19 |
/**************************************************************************/ |
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20 |
#define GX_SOURCE_CODE |
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21 |
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22 |
#define REDVAL_332(_c) (USHORT)(((_c) >> 5) & 0x07) |
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23 |
#define GREENVAL_332(_c) (USHORT)(((_c) >> 2) & 0x07) |
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24 |
#define BLUEVAL_332(_c) (USHORT)((_c) & 0x03) |
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25 |
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26 |
#define ASSEMBLECOLOR_332(_r, _g, _b) \ |
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27 |
((((_r) & 0x07) << 5) | \ |
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28 |
(((_g) & 0x07) << 2) | \ |
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29 |
((_b) & 0x03)) |
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30 |
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31 |
/* Include necessary system files. */ |
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32 |
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33 |
#include "gx_api.h" |
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34 |
#include "gx_display.h" |
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35 |
#include "gx_context.h" |
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36 |
#include "gx_utility.h" |
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37 |
#include "gx_system.h" |
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38 |
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39 |
/**************************************************************************/ |
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40 |
/* */ |
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41 |
/* FUNCTION RELEASE */ |
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42 |
/* */ |
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43 |
/* _gx_display_driver_332rgb_pixelmap_simple_alpha_rotate */ |
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44 |
/* PORTABLE C */ |
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45 |
/* 6.1.7 */ |
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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 rotates 332rgb format pixelmap with */ |
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53 |
/* alpha in 90, 180 or 270 degree. */ |
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54 |
/* */ |
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55 |
/* INPUT */ |
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56 |
/* */ |
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57 |
/* context Drawing context */ |
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58 |
/* xpos x-coord of top-left draw point*/ |
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59 |
/* ypos y-coord of top-left draw point*/ |
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60 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
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61 |
/* angle The angle to rotate */ |
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62 |
/* cx x-coord of rotate center */ |
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63 |
/* cy y-coord of rotate center */ |
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64 |
/* */ |
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65 |
/* OUTPUT */ |
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66 |
/* */ |
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67 |
/* None */ |
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68 |
/* */ |
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69 |
/* CALLS */ |
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70 |
/* */ |
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71 |
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
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72 |
/* blend function */ |
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73 |
/* */ |
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74 |
/* CALLED BY */ |
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75 |
/* */ |
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76 |
/* _gx_display_driver_332rgb_pixelmap_rotate */ |
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77 |
/* */ |
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78 |
/* RELEASE HISTORY */ |
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79 |
/* */ |
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80 |
/* DATE NAME DESCRIPTION */ |
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81 |
/* */ |
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82 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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83 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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84 |
/* resulting in version 6.1 */ |
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85 |
/* 06-02-2021 Kenneth Maxwell Modified comment(s), */ |
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86 |
/* removed unused variable */ |
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87 |
/* assignment, */ |
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88 |
/* resulting in version 6.1.7 */ |
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89 |
/* */ |
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90 |
/**************************************************************************/ |
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91 |
10 |
static VOID _gx_display_driver_332rgb_pixelmap_simple_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
92 |
INT angle, INT cx, INT cy) |
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93 |
{ |
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94 |
GX_UBYTE *get; |
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95 |
GX_UBYTE *getalpha; |
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96 |
INT width; |
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97 |
INT height; |
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98 |
INT x; |
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99 |
INT y; |
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100 |
GX_RECTANGLE *clip; |
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101 |
INT newxpos; |
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102 |
INT newypos; |
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103 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
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104 |
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105 |
10 |
clip = context -> gx_draw_context_clip; |
|
106 |
10 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
|
107 |
|||
108 |
✓✓ | 10 |
if (GX_NULL == blend_func) |
109 |
{ |
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110 |
1 |
return; |
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111 |
} |
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112 |
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113 |
✓✓ | 9 |
if (angle == 90) |
114 |
{ |
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115 |
3 |
width = pixelmap -> gx_pixelmap_height; |
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116 |
3 |
height = pixelmap -> gx_pixelmap_width; |
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117 |
|||
118 |
3 |
newxpos = xpos + cx - (width - 1 - cy); |
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119 |
3 |
newypos = ypos + cy - cx; |
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120 |
|||
121 |
✓✓ | 573 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
122 |
{ |
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123 |
✓✓ | 114750 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
124 |
{ |
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125 |
114180 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
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126 |
114180 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
127 |
114180 |
get += (width - 1 - x) * height; |
|
128 |
114180 |
get += y; |
|
129 |
114180 |
getalpha += (width - 1 - x) * height; |
|
130 |
114180 |
getalpha += y; |
|
131 |
114180 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
132 |
} |
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133 |
} |
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134 |
} |
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135 |
✓✓ | 6 |
else if (angle == 180) |
136 |
{ |
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137 |
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138 |
3 |
width = pixelmap -> gx_pixelmap_width; |
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139 |
3 |
height = pixelmap -> gx_pixelmap_height; |
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140 |
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141 |
3 |
newxpos = xpos + cx - (width - 1 - cx); |
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142 |
3 |
newypos = ypos + cy - (height - 1 - cy); |
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143 |
|||
144 |
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145 |
✓✓ | 403 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
146 |
{ |
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147 |
✓✓ | 76442 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
148 |
{ |
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149 |
76042 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
|
150 |
76042 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
151 |
76042 |
get += (height - 1 - y) * width; |
|
152 |
76042 |
get += width - 1 - x; |
|
153 |
76042 |
getalpha += (height - 1 - y) * width; |
|
154 |
76042 |
getalpha += width - 1 - x; |
|
155 |
|||
156 |
76042 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
157 |
} |
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158 |
} |
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159 |
} |
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160 |
else |
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161 |
{ |
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162 |
3 |
height = pixelmap -> gx_pixelmap_width; |
|
163 |
|||
164 |
3 |
newxpos = xpos + cx - cy; |
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165 |
3 |
newypos = ypos + cx - (height - 1 - cy); |
|
166 |
|||
167 |
✓✓ | 331 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
168 |
{ |
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169 |
✓✓ | 76576 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
170 |
{ |
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171 |
76248 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
|
172 |
76248 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
173 |
76248 |
get += x * height; |
|
174 |
76248 |
get += height - 1 - y; |
|
175 |
76248 |
getalpha += x * height; |
|
176 |
76248 |
getalpha += height - 1 - y; |
|
177 |
|||
178 |
76248 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
179 |
} |
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180 |
} |
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181 |
} |
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182 |
} |
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183 |
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184 |
/**************************************************************************/ |
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185 |
/* */ |
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186 |
/* FUNCTION RELEASE */ |
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187 |
/* */ |
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188 |
/* _gx_display_driver_332rgb_pixelmap_alpha_rotate PORTABLE C */ |
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189 |
/* 6.1.10 */ |
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190 |
/* AUTHOR */ |
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191 |
/* */ |
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192 |
/* Kenneth Maxwell, Microsoft Corporation */ |
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193 |
/* */ |
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194 |
/* DESCRIPTION */ |
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195 |
/* */ |
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196 |
/* Internal helper function that rotates an 332rgb format pixelmap */ |
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197 |
/* with alpha. */ |
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198 |
/* */ |
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199 |
/* INPUT */ |
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200 |
/* */ |
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201 |
/* context Drawing context */ |
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202 |
/* xpos x-coord of top-left draw point*/ |
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203 |
/* ypos y-coord of top-left draw point*/ |
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204 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
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205 |
/* angle The angle to rotate */ |
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206 |
/* cx x-coord of rotate center */ |
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207 |
/* cy y-coord of rotate center */ |
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208 |
/* */ |
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209 |
/* OUTPUT */ |
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210 |
/* */ |
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211 |
/* status Completion status */ |
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212 |
/* */ |
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213 |
/* CALLS */ |
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214 |
/* */ |
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215 |
/* _gx_utility_math_cos Compute the cosine value */ |
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216 |
/* _gx_utility_math_sin Compute the sine value */ |
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217 |
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
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218 |
/* blend function */ |
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219 |
/* */ |
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220 |
/* CALLED BY */ |
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221 |
/* */ |
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222 |
/* _gx_display_driver_8bpp_pixelmap_rotate */ |
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223 |
/* */ |
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224 |
/* RELEASE HISTORY */ |
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225 |
/* */ |
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226 |
/* DATE NAME DESCRIPTION */ |
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227 |
/* */ |
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228 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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229 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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230 |
/* resulting in version 6.1 */ |
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231 |
/* 01-31-2022 Ting Zhu Modified comment(s), */ |
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232 |
/* corrected logic, */ |
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233 |
/* resulting in version 6.1.10 */ |
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234 |
/* */ |
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235 |
/**************************************************************************/ |
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236 |
1069 |
static VOID _gx_display_driver_332rgb_pixelmap_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
237 |
INT angle, INT cx, INT cy) |
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238 |
{ |
||
239 |
GX_UBYTE *get; |
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240 |
GX_UBYTE *getalpha; |
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241 |
INT srcxres; |
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242 |
INT srcyres; |
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243 |
INT cosv; |
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244 |
INT sinv; |
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245 |
USHORT red; |
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246 |
USHORT green; |
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247 |
USHORT blue; |
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248 |
INT idxminx; |
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249 |
INT idxmaxx; |
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250 |
INT idxmaxy; |
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251 |
INT *mx; |
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252 |
INT *my; |
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253 |
INT xres; |
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254 |
INT yres; |
||
255 |
INT x; |
||
256 |
INT y; |
||
257 |
INT xx; |
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258 |
INT yy; |
||
259 |
USHORT a; |
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260 |
USHORT b; |
||
261 |
USHORT c; |
||
262 |
USHORT d; |
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263 |
USHORT alpha[4]; |
||
264 |
INT xdiff; |
||
265 |
INT ydiff; |
||
266 |
INT newxpos; |
||
267 |
INT newypos; |
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268 |
GX_DISPLAY *display; |
||
269 |
GX_RECTANGLE *clip; |
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270 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
271 |
|||
272 |
1069 |
clip = context -> gx_draw_context_clip; |
|
273 |
1069 |
display = context -> gx_draw_context_display; |
|
274 |
1069 |
blend_func = display -> gx_display_driver_pixel_blend; |
|
275 |
✓✓ | 1069 |
if (!blend_func) |
276 |
{ |
||
277 |
1 |
return; |
|
278 |
} |
||
279 |
|||
280 |
1068 |
mx = _gx_system_scratchpad; |
|
281 |
1068 |
my = mx + 4; |
|
282 |
|||
283 |
1068 |
mx[0] = mx[3] = -1; |
|
284 |
1068 |
mx[1] = mx[2] = 1; |
|
285 |
|||
286 |
1068 |
my[0] = my[1] = 1; |
|
287 |
1068 |
my[2] = my[3] = -1; |
|
288 |
|||
289 |
1068 |
idxminx = (angle / 90) & 0x3; |
|
290 |
1068 |
idxmaxx = (idxminx + 2) & 0x3; |
|
291 |
1068 |
idxmaxy = (idxminx + 1) & 0x3; |
|
292 |
|||
293 |
/* Calculate the source x and y center. */ |
||
294 |
1068 |
srcxres = pixelmap -> gx_pixelmap_width >> 1; |
|
295 |
1068 |
srcyres = pixelmap -> gx_pixelmap_height >> 1; |
|
296 |
|||
297 |
1068 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
298 |
1068 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
299 |
|||
300 |
1068 |
xres = GX_FIXED_VAL_TO_INT(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv); |
|
301 |
1068 |
yres = GX_FIXED_VAL_TO_INT(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv); |
|
302 |
|||
303 |
/* Calculate the new rotation axis. */ |
||
304 |
1068 |
xres = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv) + xres; |
|
305 |
1068 |
yres = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv) + yres; |
|
306 |
|||
307 |
1068 |
newxpos = xpos + cx - xres; |
|
308 |
1068 |
newypos = ypos + cy - yres; |
|
309 |
|||
310 |
/* Loop through the source's pixels. */ |
||
311 |
✓✓ | 228803 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
312 |
{ |
||
313 |
✓✓ | 60108951 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
314 |
{ |
||
315 |
59881216 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
316 |
59881216 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
317 |
|||
318 |
59881216 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
319 |
59881216 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
320 |
|||
321 |
59881216 |
xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
|
322 |
59881216 |
yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
|
323 |
|||
324 |
✓✓✓✓ ✓✓ |
59881216 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_width) && |
325 |
✓✓ | 41870359 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_height)) |
326 |
{ |
||
327 |
✓✓✓✓ ✓✓ |
36403101 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width - 1) && \ |
328 |
✓✓ | 35899550 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height - 1)) |
329 |
{ |
||
330 |
35724853 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
|
331 |
35724853 |
get += yy * pixelmap -> gx_pixelmap_width; |
|
332 |
35724853 |
get += xx; |
|
333 |
|||
334 |
35724853 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
335 |
35724853 |
getalpha += yy * pixelmap -> gx_pixelmap_width; |
|
336 |
35724853 |
getalpha += xx; |
|
337 |
|||
338 |
35724853 |
a = *get; |
|
339 |
35724853 |
alpha[0] = *getalpha; |
|
340 |
|||
341 |
35724853 |
b = *(get + 1); |
|
342 |
35724853 |
alpha[1] = *(getalpha + 1); |
|
343 |
|||
344 |
35724853 |
c = *(get + pixelmap -> gx_pixelmap_width); |
|
345 |
35724853 |
alpha[2] = *(getalpha + pixelmap -> gx_pixelmap_width); |
|
346 |
|||
347 |
35724853 |
d = *(get + pixelmap -> gx_pixelmap_width + 1); |
|
348 |
35724853 |
alpha[3] = *(getalpha + pixelmap -> gx_pixelmap_width + 1); |
|
349 |
} |
||
350 |
else |
||
351 |
{ |
||
352 |
678248 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
|
353 |
678248 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
354 |
|||
355 |
678248 |
a = 0; |
|
356 |
678248 |
b = 0; |
|
357 |
678248 |
c = 0; |
|
358 |
678248 |
d = 0; |
|
359 |
|||
360 |
✓✓ | 678248 |
if (xx == -1) |
361 |
{ |
||
362 |
/* handle left edge. */ |
||
363 |
✓✓ | 164169 |
if (yy >= 0) |
364 |
{ |
||
365 |
163694 |
b = *(get + yy * pixelmap -> gx_pixelmap_width); |
|
366 |
163694 |
alpha[1] = *(getalpha + yy * pixelmap -> gx_pixelmap_width); |
|
367 |
} |
||
368 |
|||
369 |
✓✓ | 164169 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
370 |
{ |
||
371 |
163510 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
372 |
163510 |
alpha[3] = *(getalpha + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
373 |
} |
||
374 |
} |
||
375 |
✓✓ | 514079 |
else if (yy == -1) |
376 |
{ |
||
377 |
/* handle top edge. */ |
||
378 |
134155 |
c = *(get + xx); |
|
379 |
134155 |
alpha[2] = *(getalpha + xx); |
|
380 |
|||
381 |
✓✓ | 134155 |
if (xx < pixelmap -> gx_pixelmap_width - 1) |
382 |
{ |
||
383 |
133469 |
d = *(get + xx + 1); |
|
384 |
133469 |
alpha[3] = *(getalpha + xx + 1); |
|
385 |
} |
||
386 |
} |
||
387 |
✓✓ | 379924 |
else if (xx == pixelmap -> gx_pixelmap_width - 1) |
388 |
{ |
||
389 |
/* handle right edget. */ |
||
390 |
205227 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
391 |
205227 |
alpha[0] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx); |
|
392 |
|||
393 |
✓✓ | 205227 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
394 |
{ |
||
395 |
203519 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
396 |
203519 |
alpha[2] = *(getalpha + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
397 |
} |
||
398 |
} |
||
399 |
else |
||
400 |
{ |
||
401 |
/* handle bottom edge. */ |
||
402 |
174697 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
403 |
174697 |
alpha[0] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx); |
|
404 |
|||
405 |
174697 |
b = *(get + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
406 |
174697 |
alpha[1] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
407 |
} |
||
408 |
|||
409 |
✓✓ | 678248 |
if (!a) |
410 |
{ |
||
411 |
298324 |
alpha[0] = 0; |
|
412 |
} |
||
413 |
|||
414 |
✓✓ | 678248 |
if (!b) |
415 |
{ |
||
416 |
339857 |
alpha[1] = 0; |
|
417 |
} |
||
418 |
|||
419 |
✓✓ | 678248 |
if (!c) |
420 |
{ |
||
421 |
340574 |
alpha[2] = 0; |
|
422 |
} |
||
423 |
|||
424 |
✓✓ | 678248 |
if (!d) |
425 |
{ |
||
426 |
381269 |
alpha[3] = 0; |
|
427 |
} |
||
428 |
} |
||
429 |
|||
430 |
36403101 |
red = (USHORT)((REDVAL_332(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
431 |
36403101 |
REDVAL_332(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
432 |
36403101 |
REDVAL_332(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
433 |
36403101 |
REDVAL_332(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
434 |
|||
435 |
36403101 |
green = (USHORT)((GREENVAL_332(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
436 |
36403101 |
GREENVAL_332(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
437 |
36403101 |
GREENVAL_332(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
438 |
36403101 |
GREENVAL_332(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
439 |
|||
440 |
36403101 |
blue = (USHORT)((BLUEVAL_332(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
441 |
36403101 |
BLUEVAL_332(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
442 |
36403101 |
BLUEVAL_332(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
443 |
36403101 |
BLUEVAL_332(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
444 |
|||
445 |
36403101 |
alpha[0] = (USHORT)((alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
446 |
36403101 |
alpha[1] * xdiff * (256 - ydiff) + |
|
447 |
36403101 |
alpha[2] * ydiff * (256 - xdiff) + |
|
448 |
36403101 |
alpha[3] * xdiff * ydiff) >> 16); |
|
449 |
|||
450 |
✓✓ | 36403101 |
if (alpha[0]) |
451 |
{ |
||
452 |
24119432 |
red /= alpha[0]; |
|
453 |
24119432 |
green /= alpha[0]; |
|
454 |
24119432 |
blue /= alpha[0]; |
|
455 |
} |
||
456 |
|||
457 |
36403101 |
red = red > 7 ? 7 : red; |
|
458 |
36403101 |
green = green > 7 ? 7 : green; |
|
459 |
36403101 |
blue = blue > 3 ? 3 : blue; |
|
460 |
36403101 |
alpha[0] = alpha[0] > 255 ? 255 : alpha[0]; |
|
461 |
|||
462 |
36403101 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR_332(red, green, blue), (GX_UBYTE)alpha[0]); |
|
463 |
} |
||
464 |
} |
||
465 |
} |
||
466 |
} |
||
467 |
|||
468 |
/**************************************************************************/ |
||
469 |
/* */ |
||
470 |
/* FUNCTION RELEASE */ |
||
471 |
/* */ |
||
472 |
/* _gx_display_driver_332rgb_pixelmap_raw_rotate PORTABLE C */ |
||
473 |
/* 6.1.10 */ |
||
474 |
/* AUTHOR */ |
||
475 |
/* */ |
||
476 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
477 |
/* */ |
||
478 |
/* DESCRIPTION */ |
||
479 |
/* */ |
||
480 |
/* Internal helper function that rotates an 332rgb format pixelmap */ |
||
481 |
/* without compression, without alpha. */ |
||
482 |
/* */ |
||
483 |
/* INPUT */ |
||
484 |
/* */ |
||
485 |
/* context Drawing context */ |
||
486 |
/* xpos x-coord of top-left draw point*/ |
||
487 |
/* ypos y-coord of top-left draw point*/ |
||
488 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
489 |
/* angle The angle to rotate */ |
||
490 |
/* cx x-coord of rotate center */ |
||
491 |
/* cy y-coord of rotate center */ |
||
492 |
/* */ |
||
493 |
/* OUTPUT */ |
||
494 |
/* */ |
||
495 |
/* status Completion status */ |
||
496 |
/* */ |
||
497 |
/* CALLS */ |
||
498 |
/* */ |
||
499 |
/* _gx_utility_math_cos Compute the cosine value */ |
||
500 |
/* _gx_utility_math_sin Compute the sine value */ |
||
501 |
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
||
502 |
/* blend function */ |
||
503 |
/* */ |
||
504 |
/* CALLED BY */ |
||
505 |
/* */ |
||
506 |
/* _gx_display_driver_332rgb_pixelmap_rotate */ |
||
507 |
/* */ |
||
508 |
/* RELEASE HISTORY */ |
||
509 |
/* */ |
||
510 |
/* DATE NAME DESCRIPTION */ |
||
511 |
/* */ |
||
512 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
513 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
514 |
/* resulting in version 6.1 */ |
||
515 |
/* 01-31-2022 Ting Zhu Modified comment(s), */ |
||
516 |
/* corrected logic, */ |
||
517 |
/* resulting in version 6.1.10 */ |
||
518 |
/* */ |
||
519 |
/**************************************************************************/ |
||
520 |
713 |
static VOID _gx_display_driver_332rgb_pixelmap_raw_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
521 |
INT angle, INT cx, INT cy) |
||
522 |
{ |
||
523 |
GX_UBYTE *get; |
||
524 |
INT srcxres; |
||
525 |
INT srcyres; |
||
526 |
INT cosv; |
||
527 |
INT sinv; |
||
528 |
USHORT red; |
||
529 |
USHORT green; |
||
530 |
USHORT blue; |
||
531 |
INT idxminx; |
||
532 |
INT idxmaxx; |
||
533 |
INT idxmaxy; |
||
534 |
INT *mx; |
||
535 |
INT *my; |
||
536 |
INT xres; |
||
537 |
INT yres; |
||
538 |
INT x; |
||
539 |
INT y; |
||
540 |
INT xx; |
||
541 |
INT yy; |
||
542 |
USHORT a; |
||
543 |
USHORT b; |
||
544 |
USHORT c; |
||
545 |
USHORT d; |
||
546 |
INT alpha; |
||
547 |
INT xdiff; |
||
548 |
INT ydiff; |
||
549 |
INT newxpos; |
||
550 |
INT newypos; |
||
551 |
GX_DISPLAY *display; |
||
552 |
GX_RECTANGLE *clip; |
||
553 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
554 |
|||
555 |
713 |
clip = context -> gx_draw_context_clip; |
|
556 |
713 |
display = context -> gx_draw_context_display; |
|
557 |
713 |
blend_func = display -> gx_display_driver_pixel_blend; |
|
558 |
✓✓ | 713 |
if (!blend_func) |
559 |
{ |
||
560 |
1 |
return; |
|
561 |
} |
||
562 |
|||
563 |
712 |
mx = _gx_system_scratchpad; |
|
564 |
712 |
my = mx + 4; |
|
565 |
|||
566 |
712 |
mx[0] = mx[3] = -1; |
|
567 |
712 |
mx[1] = mx[2] = 1; |
|
568 |
|||
569 |
712 |
my[0] = my[1] = 1; |
|
570 |
712 |
my[2] = my[3] = -1; |
|
571 |
|||
572 |
712 |
idxminx = (angle / 90) & 0x3; |
|
573 |
712 |
idxmaxx = (idxminx + 2) & 0x3; |
|
574 |
712 |
idxmaxy = (idxminx + 1) & 0x3; |
|
575 |
|||
576 |
/* Calculate the source x and y center. */ |
||
577 |
712 |
srcxres = pixelmap -> gx_pixelmap_width >> 1; |
|
578 |
712 |
srcyres = pixelmap -> gx_pixelmap_height >> 1; |
|
579 |
|||
580 |
712 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
581 |
712 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
582 |
|||
583 |
712 |
xres = GX_FIXED_VAL_TO_INT(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv); |
|
584 |
712 |
yres = GX_FIXED_VAL_TO_INT(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv); |
|
585 |
|||
586 |
/* Calculate the new rotation axis. */ |
||
587 |
712 |
xres = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv) + xres; |
|
588 |
712 |
yres = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv) + yres; |
|
589 |
|||
590 |
712 |
newxpos = xpos + cx - xres; |
|
591 |
712 |
newypos = ypos + cy - yres; |
|
592 |
|||
593 |
/* Loop through the source's pixels. */ |
||
594 |
✓✓ | 150359 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
595 |
{ |
||
596 |
✓✓ | 33586559 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
597 |
{ |
||
598 |
33436912 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
599 |
33436912 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
600 |
|||
601 |
33436912 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
602 |
33436912 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
603 |
|||
604 |
33436912 |
xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
|
605 |
33436912 |
yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
|
606 |
|||
607 |
✓✓✓✓ ✓✓ |
33436912 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_width) && |
608 |
✓✓ | 25173357 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_height)) |
609 |
{ |
||
610 |
✓✓✓✓ ✓✓ |
18929707 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width - 1) && \ |
611 |
✓✓ | 18645079 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height - 1)) |
612 |
{ |
||
613 |
18491434 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
|
614 |
18491434 |
get += yy * pixelmap -> gx_pixelmap_width; |
|
615 |
18491434 |
get += xx; |
|
616 |
|||
617 |
18491434 |
a = *get; |
|
618 |
18491434 |
b = *(get + 1); |
|
619 |
18491434 |
c = *(get + pixelmap -> gx_pixelmap_width); |
|
620 |
18491434 |
d = *(get + pixelmap -> gx_pixelmap_width + 1); |
|
621 |
|||
622 |
18491434 |
alpha = 0xff; |
|
623 |
} |
||
624 |
else |
||
625 |
{ |
||
626 |
438273 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
|
627 |
|||
628 |
438273 |
a = 0; |
|
629 |
438273 |
b = 0; |
|
630 |
438273 |
c = 0; |
|
631 |
438273 |
d = 0; |
|
632 |
438273 |
alpha = 0; |
|
633 |
|||
634 |
✓✓ | 438273 |
if (xx == -1) |
635 |
{ |
||
636 |
/* handle left edge. */ |
||
637 |
✓✓ | 59013 |
if (yy >= 0) |
638 |
{ |
||
639 |
58641 |
b = *(get + yy * pixelmap -> gx_pixelmap_width); |
|
640 |
58641 |
alpha += xdiff * (256 - ydiff); |
|
641 |
} |
||
642 |
|||
643 |
✓✓ | 59013 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
644 |
{ |
||
645 |
58560 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
646 |
58560 |
alpha += xdiff * ydiff; |
|
647 |
} |
||
648 |
} |
||
649 |
✓✓ | 379260 |
else if (yy == -1) |
650 |
{ |
||
651 |
/* handle top edge. */ |
||
652 |
135992 |
c = *(get + xx); |
|
653 |
135992 |
alpha += ydiff * (256 - xdiff); |
|
654 |
|||
655 |
✓✓ | 135992 |
if (xx < pixelmap -> gx_pixelmap_width - 1) |
656 |
{ |
||
657 |
135342 |
d = *(get + xx + 1); |
|
658 |
135342 |
alpha += xdiff * ydiff; |
|
659 |
} |
||
660 |
} |
||
661 |
✓✓ | 243268 |
else if (xx == pixelmap -> gx_pixelmap_width - 1) |
662 |
{ |
||
663 |
/* handle right edget. */ |
||
664 |
89623 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
665 |
89623 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
666 |
|||
667 |
✓✓ | 89623 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
668 |
{ |
||
669 |
88547 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
670 |
88547 |
alpha += ydiff * (256 - xdiff); |
|
671 |
} |
||
672 |
} |
||
673 |
else |
||
674 |
{ |
||
675 |
/* handle bottom edge. */ |
||
676 |
153645 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
677 |
153645 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
678 |
|||
679 |
153645 |
b = *(get + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
680 |
153645 |
alpha += xdiff * (256 - ydiff); |
|
681 |
} |
||
682 |
|||
683 |
438273 |
alpha >>= 8; |
|
684 |
} |
||
685 |
|||
686 |
18929707 |
red = (USHORT)((REDVAL_332(a) * (256 - xdiff) * (256 - ydiff) + |
|
687 |
18929707 |
REDVAL_332(b) * xdiff * (256 - ydiff) + |
|
688 |
18929707 |
REDVAL_332(c) * ydiff * (256 - xdiff) + |
|
689 |
18929707 |
REDVAL_332(d) * xdiff * ydiff) >> 16); |
|
690 |
|||
691 |
18929707 |
green = (USHORT)((GREENVAL_332(a) * (256 - xdiff) * (256 - ydiff) + |
|
692 |
18929707 |
GREENVAL_332(b) * xdiff * (256 - ydiff) + |
|
693 |
18929707 |
GREENVAL_332(c) * ydiff * (256 - xdiff) + |
|
694 |
18929707 |
GREENVAL_332(d) * xdiff * ydiff) >> 16); |
|
695 |
|||
696 |
18929707 |
blue = (USHORT)((BLUEVAL_332(a) * (256 - xdiff) * (256 - ydiff) + |
|
697 |
18929707 |
BLUEVAL_332(b) * xdiff * (256 - ydiff) + |
|
698 |
18929707 |
BLUEVAL_332(c) * ydiff * (256 - xdiff) + |
|
699 |
18929707 |
BLUEVAL_332(d) * xdiff * ydiff) >> 16); |
|
700 |
|||
701 |
✓✓✓✓ |
18929707 |
if (alpha && (alpha < 0xff)) |
702 |
{ |
||
703 |
433239 |
red = (USHORT)((red << 8) / alpha); |
|
704 |
433239 |
green = (USHORT)((green << 8) / alpha); |
|
705 |
433239 |
blue = (USHORT)((blue << 8) / alpha); |
|
706 |
} |
||
707 |
|||
708 |
18929707 |
red = red > 7 ? 7 : red; |
|
709 |
18929707 |
green = green > 7 ? 7 : green; |
|
710 |
18929707 |
blue = blue > 3 ? 3 : blue; |
|
711 |
18929707 |
alpha = alpha > 255 ? 255 : alpha; |
|
712 |
|||
713 |
18929707 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR_332(red, green, blue), (GX_UBYTE)alpha); |
|
714 |
} |
||
715 |
} |
||
716 |
} |
||
717 |
} |
||
718 |
|||
719 |
/**************************************************************************/ |
||
720 |
/* */ |
||
721 |
/* FUNCTION RELEASE */ |
||
722 |
/* */ |
||
723 |
/* _gx_display_driver_332rgb_pixelmap_rotate PORTABLE C */ |
||
724 |
/* 6.1 */ |
||
725 |
/* AUTHOR */ |
||
726 |
/* */ |
||
727 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
728 |
/* */ |
||
729 |
/* DESCRIPTION */ |
||
730 |
/* */ |
||
731 |
/* This service rotate a 332rgb format pixelmap to canvas memory. */ |
||
732 |
/* */ |
||
733 |
/* INPUT */ |
||
734 |
/* */ |
||
735 |
/* context Drawing context */ |
||
736 |
/* xpos x-coord of top-left draw point*/ |
||
737 |
/* ypos y-coord of top-left draw point*/ |
||
738 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
739 |
/* angle The angle to rotate */ |
||
740 |
/* rot_cx x-coord of rotating center. */ |
||
741 |
/* rot_cy y-coord of rotationg center. */ |
||
742 |
/* */ |
||
743 |
/* OUTPUT */ |
||
744 |
/* */ |
||
745 |
/* status Completion status */ |
||
746 |
/* */ |
||
747 |
/* CALLS */ |
||
748 |
/* */ |
||
749 |
/* _gx_display_driver_8bpp_pixelmap_rotate */ |
||
750 |
/* Rotate 8bpp format pixelmap */ |
||
751 |
/* _gx_display_driver_332rgb_pixelmap_simple_alpha_rotate */ |
||
752 |
/* Rotate 332rgb format pixelmap */ |
||
753 |
/* in simple case */ |
||
754 |
/* _gx_display_driver_332rgb_pixelmap_alpha_rotate */ |
||
755 |
/* Rotate 332rgb format pixelmap */ |
||
756 |
/* with alpha */ |
||
757 |
/* _gx_display_driver_332rgb_pixelmap_raw_rotate */ |
||
758 |
/* Rotate 332rgb format pixelmap */ |
||
759 |
/* without alpha */ |
||
760 |
/* */ |
||
761 |
/* CALLED BY */ |
||
762 |
/* */ |
||
763 |
/* Application Code */ |
||
764 |
/* GUIX Internal Code */ |
||
765 |
/* */ |
||
766 |
/* RELEASE HISTORY */ |
||
767 |
/* */ |
||
768 |
/* DATE NAME DESCRIPTION */ |
||
769 |
/* */ |
||
770 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
771 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
772 |
/* resulting in version 6.1 */ |
||
773 |
/* */ |
||
774 |
/**************************************************************************/ |
||
775 |
1799 |
VOID _gx_display_driver_332rgb_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
776 |
INT angle, INT rot_cx, INT rot_cy) |
||
777 |
{ |
||
778 |
✓✓ | 1799 |
switch (pixelmap -> gx_pixelmap_format) |
779 |
{ |
||
780 |
1798 |
case GX_COLOR_FORMAT_8BIT_PACKED_PIXEL: |
|
781 |
✓✓ | 1798 |
if (angle % 90 == 0) |
782 |
{ |
||
783 |
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */ |
||
784 |
✓✓ | 16 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
785 |
{ |
||
786 |
/*Alpha, no compression.*/ |
||
787 |
10 |
_gx_display_driver_332rgb_pixelmap_simple_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
788 |
} |
||
789 |
else |
||
790 |
{ |
||
791 |
6 |
_gx_display_driver_8bpp_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
792 |
} |
||
793 |
} |
||
794 |
else |
||
795 |
{ |
||
796 |
✓✓ | 1782 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
797 |
{ |
||
798 |
/*Not correct yet.*/ |
||
799 |
1069 |
_gx_display_driver_332rgb_pixelmap_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
800 |
} |
||
801 |
else |
||
802 |
{ |
||
803 |
/* no compression or alpha */ |
||
804 |
713 |
_gx_display_driver_332rgb_pixelmap_raw_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
805 |
} |
||
806 |
} |
||
807 |
1798 |
break; |
|
808 |
} |
||
809 |
|||
810 |
1799 |
return; |
|
811 |
} |
||
812 |
| Generated by: GCOVR (Version 4.1) |