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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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5 |
* 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 |
/** Display Management (Display) */ |
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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 |
(0xff000000 | \ |
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27 |
((_r) << 16) | \ |
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28 |
((_g) << 8) | \ |
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29 |
(_b)) |
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30 |
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31 |
#define BYTE_RANGE(_c) _c > 255 ? 255 : _c |
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32 |
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33 |
#define GX_SOURCE_CODE |
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34 |
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35 |
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36 |
/* Include necessary system files. */ |
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37 |
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38 |
#include "gx_api.h" |
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39 |
#include "gx_display.h" |
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40 |
#include "gx_context.h" |
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41 |
#include "gx_utility.h" |
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42 |
#include "gx_system.h" |
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43 |
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44 |
/**************************************************************************/ |
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45 |
/* */ |
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46 |
/* FUNCTION RELEASE */ |
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47 |
/* */ |
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48 |
/* _gx_display_driver_24xrgb_pixelmap_rotate PORTABLE C */ |
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49 |
/* 6.1.10 */ |
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50 |
/* AUTHOR */ |
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51 |
/* */ |
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52 |
/* Kenneth Maxwell, Microsoft Corporation */ |
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53 |
/* */ |
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54 |
/* DESCRIPTION */ |
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55 |
/* */ |
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56 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
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57 |
/* without alpha. */ |
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58 |
/* */ |
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59 |
/* INPUT */ |
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60 |
/* */ |
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61 |
/* context Drawing context */ |
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62 |
/* xpos x-coord of top-left draw point*/ |
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63 |
/* ypos y-coord of top-left draw point*/ |
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64 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
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65 |
/* angle The angle to rotate */ |
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66 |
/* cx x-coord of rotate center */ |
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67 |
/* cy y-coord of rotate 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_utility_math_cos Compute the cosine value */ |
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76 |
/* _gx_utility_math_sin Compute the sine value */ |
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77 |
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
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78 |
/* blend function */ |
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79 |
/* */ |
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80 |
/* CALLED BY */ |
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81 |
/* */ |
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82 |
/* _gx_display_driver_32bpp_pixelmap_rotate */ |
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83 |
/* */ |
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84 |
/* RELEASE HISTORY */ |
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85 |
/* */ |
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86 |
/* DATE NAME DESCRIPTION */ |
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87 |
/* */ |
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88 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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89 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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90 |
/* resulting in version 6.1 */ |
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91 |
/* 01-31-2022 Ting Zhu Modified comment(s), */ |
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92 |
/* corrected logic, */ |
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93 |
/* resulting in version 6.1.10 */ |
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94 |
/* */ |
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95 |
/**************************************************************************/ |
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96 |
713 |
static VOID _gx_display_driver_24xrgb_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
97 |
INT angle, INT cx, INT cy) |
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98 |
{ |
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99 |
GX_COLOR *get; |
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100 |
INT srcxres; |
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101 |
INT srcyres; |
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102 |
INT cosv; |
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103 |
INT sinv; |
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104 |
INT alpha; |
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105 |
GX_COLOR red; |
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106 |
GX_COLOR green; |
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107 |
GX_COLOR blue; |
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108 |
INT idxminx; |
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109 |
INT idxmaxx; |
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110 |
INT idxmaxy; |
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111 |
INT *mx; |
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112 |
INT *my; |
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113 |
INT xres; |
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114 |
INT yres; |
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115 |
INT x; |
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116 |
INT y; |
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117 |
INT xx; |
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118 |
INT yy; |
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119 |
GX_COLOR a; |
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120 |
GX_COLOR b; |
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121 |
GX_COLOR c; |
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122 |
GX_COLOR d; |
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123 |
INT xdiff; |
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124 |
INT ydiff; |
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125 |
INT newxpos; |
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126 |
INT newypos; |
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127 |
GX_DISPLAY *display; |
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128 |
GX_RECTANGLE *clip; |
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129 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
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130 |
|||
131 |
713 |
clip = context -> gx_draw_context_clip; |
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132 |
713 |
display = context -> gx_draw_context_display; |
|
133 |
713 |
blend_func = display -> gx_display_driver_pixel_blend; |
|
134 |
|||
135 |
✓✓ | 713 |
if (!blend_func) |
136 |
{ |
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137 |
1 |
return; |
|
138 |
} |
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139 |
|||
140 |
712 |
mx = _gx_system_scratchpad; |
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141 |
712 |
my = mx + 4; |
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142 |
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143 |
712 |
mx[0] = mx[3] = -1; |
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144 |
712 |
mx[1] = mx[2] = 1; |
|
145 |
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146 |
712 |
my[0] = my[1] = 1; |
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147 |
712 |
my[2] = my[3] = -1; |
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148 |
|||
149 |
712 |
idxminx = (angle / 90) & 0x3; |
|
150 |
712 |
idxmaxx = (idxminx + 2) & 0x3; |
|
151 |
712 |
idxmaxy = (idxminx + 1) & 0x3; |
|
152 |
|||
153 |
/* Calculate the source x and y center. */ |
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154 |
712 |
srcxres = pixelmap -> gx_pixelmap_width >> 1; |
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155 |
712 |
srcyres = pixelmap -> gx_pixelmap_height >> 1; |
|
156 |
|||
157 |
712 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
158 |
712 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
159 |
|||
160 |
712 |
xres = mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv; |
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161 |
712 |
yres = my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv; |
|
162 |
|||
163 |
712 |
xres = GX_FIXED_VAL_TO_INT(xres); |
|
164 |
712 |
yres = GX_FIXED_VAL_TO_INT(yres); |
|
165 |
|||
166 |
/* Calculate the new rotation axis. */ |
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167 |
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168 |
712 |
x = (cx - srcxres) * cosv - (cy - srcyres) * sinv; |
|
169 |
712 |
y = (cy - srcyres) * cosv + (cx - srcxres) * sinv; |
|
170 |
|||
171 |
712 |
xres = GX_FIXED_VAL_TO_INT(x) + xres; |
|
172 |
712 |
yres = GX_FIXED_VAL_TO_INT(y) + yres; |
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173 |
|||
174 |
712 |
newxpos = xpos + cx - xres; |
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175 |
712 |
newypos = ypos + cy - yres; |
|
176 |
|||
177 |
/* Loop through the destination's pixels. */ |
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178 |
✓✓ | 149753 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
179 |
{ |
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180 |
✓✓ | 33809071 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
181 |
{ |
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182 |
33660030 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
183 |
33660030 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
184 |
|||
185 |
33660030 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
186 |
33660030 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
187 |
|||
188 |
33660030 |
xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
|
189 |
33660030 |
yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
|
190 |
|||
191 |
✓✓✓✓ ✓✓ |
33660030 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_width) && |
192 |
✓✓ | 25337253 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_height)) |
193 |
{ |
||
194 |
✓✓✓✓ ✓✓ |
19049704 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width - 1) && |
195 |
✓✓ | 18763787 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height - 1)) |
196 |
{ |
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197 |
18609240 |
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data; |
|
198 |
18609240 |
get += yy * pixelmap -> gx_pixelmap_width; |
|
199 |
18609240 |
get += xx; |
|
200 |
|||
201 |
18609240 |
a = *get; |
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202 |
18609240 |
b = *(get + 1); |
|
203 |
18609240 |
c = *(get + pixelmap -> gx_pixelmap_width); |
|
204 |
18609240 |
d = *(get + pixelmap -> gx_pixelmap_width + 1); |
|
205 |
|||
206 |
18609240 |
alpha = 0xff; |
|
207 |
} |
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208 |
else |
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209 |
{ |
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210 |
440464 |
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data; |
|
211 |
|||
212 |
440464 |
a = 0; |
|
213 |
440464 |
b = 0; |
|
214 |
440464 |
c = 0; |
|
215 |
440464 |
d = 0; |
|
216 |
440464 |
alpha = 0; |
|
217 |
|||
218 |
✓✓ | 440464 |
if (xx == -1) |
219 |
{ |
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220 |
/* handle left edge. */ |
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221 |
✓✓ | 59074 |
if (yy >= 0) |
222 |
{ |
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223 |
58700 |
b = *(get + yy * pixelmap -> gx_pixelmap_width); |
|
224 |
} |
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225 |
|||
226 |
✓✓ | 59074 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
227 |
{ |
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228 |
58622 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
229 |
} |
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230 |
} |
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231 |
✓✓ | 381390 |
else if (yy == -1) |
232 |
{ |
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233 |
/* handle top edge. */ |
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234 |
137355 |
c = *(get + xx); |
|
235 |
|||
236 |
✓✓ | 137355 |
if (xx < pixelmap -> gx_pixelmap_width - 1) |
237 |
{ |
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238 |
136708 |
d = *(get + xx + 1); |
|
239 |
} |
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240 |
} |
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241 |
✓✓ | 244035 |
else if (xx == pixelmap -> gx_pixelmap_width - 1) |
242 |
{ |
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243 |
/* handle right edget. */ |
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244 |
89488 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
245 |
|||
246 |
✓✓ | 89488 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
247 |
{ |
||
248 |
88412 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
249 |
} |
||
250 |
} |
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251 |
else |
||
252 |
{ |
||
253 |
/* handle bottom edge. */ |
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254 |
154547 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
255 |
154547 |
b = *(get + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
256 |
} |
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257 |
|||
258 |
✓✓ | 440464 |
if (a) |
259 |
{ |
||
260 |
244035 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
261 |
} |
||
262 |
|||
263 |
✓✓ | 440464 |
if (b) |
264 |
{ |
||
265 |
213247 |
alpha += xdiff * (256 - ydiff); |
|
266 |
} |
||
267 |
|||
268 |
✓✓ | 440464 |
if (c) |
269 |
{ |
||
270 |
225767 |
alpha += ydiff * (256 - xdiff); |
|
271 |
} |
||
272 |
|||
273 |
✓✓ | 440464 |
if (d) |
274 |
{ |
||
275 |
195330 |
alpha += xdiff * ydiff; |
|
276 |
} |
||
277 |
|||
278 |
440464 |
alpha >>= 8; |
|
279 |
} |
||
280 |
|||
281 |
19049704 |
red = (GX_COLOR)(REDVAL(a) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \ |
|
282 |
19049704 |
REDVAL(b) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \ |
|
283 |
19049704 |
REDVAL(c) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \ |
|
284 |
19049704 |
REDVAL(d) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16; |
|
285 |
|||
286 |
19049704 |
green = (GX_COLOR)(GREENVAL(a) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \ |
|
287 |
19049704 |
GREENVAL(b) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \ |
|
288 |
19049704 |
GREENVAL(c) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \ |
|
289 |
19049704 |
GREENVAL(d) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16; |
|
290 |
|||
291 |
19049704 |
blue = (GX_COLOR)(BLUEVAL(a) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \ |
|
292 |
19049704 |
BLUEVAL(b) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \ |
|
293 |
19049704 |
BLUEVAL(c) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \ |
|
294 |
19049704 |
BLUEVAL(d) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16; |
|
295 |
|||
296 |
✓✓✓✓ |
19049704 |
if ((alpha > 0) && (alpha < 0xff)) |
297 |
{ |
||
298 |
435396 |
red = (red << 8) / (GX_COLOR)alpha; |
|
299 |
435396 |
green = (green << 8) / (GX_COLOR)alpha; |
|
300 |
435396 |
blue = (blue << 8) / (GX_COLOR)alpha; |
|
301 |
} |
||
302 |
|||
303 |
19049704 |
red = BYTE_RANGE(red); |
|
304 |
19049704 |
green = BYTE_RANGE(green); |
|
305 |
19049704 |
blue = BYTE_RANGE(blue); |
|
306 |
19049704 |
alpha = BYTE_RANGE(alpha); |
|
307 |
|||
308 |
19049704 |
blend_func(context, x + newxpos, y + newypos, ASSEMBLECOLOR(red, green, blue), (GX_UBYTE)alpha); |
|
309 |
} |
||
310 |
} |
||
311 |
} |
||
312 |
} |
||
313 |
|||
314 |
/**************************************************************************/ |
||
315 |
/* */ |
||
316 |
/* FUNCTION RELEASE */ |
||
317 |
/* */ |
||
318 |
/* _gx_utility_24xrgb_pixelmap_alpha_rotate PORTABLE C */ |
||
319 |
/* 6.1.10 */ |
||
320 |
/* AUTHOR */ |
||
321 |
/* */ |
||
322 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
323 |
/* */ |
||
324 |
/* DESCRIPTION */ |
||
325 |
/* */ |
||
326 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
||
327 |
/* with alpha. */ |
||
328 |
/* */ |
||
329 |
/* INPUT */ |
||
330 |
/* */ |
||
331 |
/* context Drawing context */ |
||
332 |
/* xpos x-coord of top-left draw point*/ |
||
333 |
/* ypos y-coord of top-left draw point*/ |
||
334 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
335 |
/* angle The angle to rotate */ |
||
336 |
/* cx x-coord of rotate center */ |
||
337 |
/* cy y-coord of rotate center */ |
||
338 |
/* */ |
||
339 |
/* OUTPUT */ |
||
340 |
/* */ |
||
341 |
/* None */ |
||
342 |
/* */ |
||
343 |
/* CALLS */ |
||
344 |
/* */ |
||
345 |
/* _gx_utility_math_cos Compute the cosine value */ |
||
346 |
/* _gx_utility_math_sin Compute the sine value */ |
||
347 |
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
||
348 |
/* blend function */ |
||
349 |
/* */ |
||
350 |
/* CALLED BY */ |
||
351 |
/* */ |
||
352 |
/* _gx_display_driver_32bpp_pixelmap_rotate */ |
||
353 |
/* */ |
||
354 |
/* RELEASE HISTORY */ |
||
355 |
/* */ |
||
356 |
/* DATE NAME DESCRIPTION */ |
||
357 |
/* */ |
||
358 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
359 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
360 |
/* resulting in version 6.1 */ |
||
361 |
/* 01-31-2022 Ting Zhu Modified comment(s), */ |
||
362 |
/* corrected logic, */ |
||
363 |
/* resulting in version 6.1.10 */ |
||
364 |
/* */ |
||
365 |
/**************************************************************************/ |
||
366 |
713 |
static VOID _gx_display_driver_24xrgb_pixelmap_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
367 |
INT angle, INT cx, INT cy) |
||
368 |
{ |
||
369 |
GX_COLOR *get; |
||
370 |
INT srcxres; |
||
371 |
INT srcyres; |
||
372 |
INT cosv; |
||
373 |
INT sinv; |
||
374 |
INT alpha; |
||
375 |
GX_COLOR red; |
||
376 |
GX_COLOR green; |
||
377 |
GX_COLOR blue; |
||
378 |
INT idxminx; |
||
379 |
INT idxmaxx; |
||
380 |
INT idxmaxy; |
||
381 |
INT *mx; |
||
382 |
INT *my; |
||
383 |
INT xres; |
||
384 |
INT yres; |
||
385 |
INT x; |
||
386 |
INT y; |
||
387 |
INT xx; |
||
388 |
INT yy; |
||
389 |
GX_COLOR a; |
||
390 |
GX_COLOR b; |
||
391 |
GX_COLOR c; |
||
392 |
GX_COLOR d; |
||
393 |
INT xdiff; |
||
394 |
INT ydiff; |
||
395 |
INT newxpos; |
||
396 |
INT newypos; |
||
397 |
GX_DISPLAY *display; |
||
398 |
GX_RECTANGLE *clip; |
||
399 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
400 |
|||
401 |
713 |
clip = context -> gx_draw_context_clip; |
|
402 |
713 |
display = context -> gx_draw_context_display; |
|
403 |
713 |
blend_func = display -> gx_display_driver_pixel_blend; |
|
404 |
|||
405 |
✓✓ | 713 |
if (!blend_func) |
406 |
{ |
||
407 |
1 |
return; |
|
408 |
} |
||
409 |
|||
410 |
712 |
mx = _gx_system_scratchpad; |
|
411 |
712 |
my = mx + 4; |
|
412 |
|||
413 |
712 |
mx[0] = mx[3] = -1; |
|
414 |
712 |
mx[1] = mx[2] = 1; |
|
415 |
|||
416 |
712 |
my[0] = my[1] = 1; |
|
417 |
712 |
my[2] = my[3] = -1; |
|
418 |
|||
419 |
712 |
idxminx = (angle / 90) & 0x3; |
|
420 |
712 |
idxmaxx = (idxminx + 2) & 0x3; |
|
421 |
712 |
idxmaxy = (idxminx + 1) & 0x3; |
|
422 |
|||
423 |
/* Calculate the source x and y center. */ |
||
424 |
712 |
srcxres = pixelmap -> gx_pixelmap_width >> 1; |
|
425 |
712 |
srcyres = pixelmap -> gx_pixelmap_height >> 1; |
|
426 |
|||
427 |
/* Calculate the new rotation axis. */ |
||
428 |
712 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
429 |
712 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
430 |
|||
431 |
712 |
xres = mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv; |
|
432 |
712 |
yres = my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv; |
|
433 |
|||
434 |
712 |
xres = GX_FIXED_VAL_TO_INT(xres); |
|
435 |
712 |
yres = GX_FIXED_VAL_TO_INT(yres); |
|
436 |
|||
437 |
712 |
x = (cx - srcxres) * cosv - (cy - srcyres) * sinv; |
|
438 |
712 |
y = (cy - srcyres) * cosv + (cx - srcxres) * sinv; |
|
439 |
|||
440 |
712 |
xres = GX_FIXED_VAL_TO_INT(x) + xres; |
|
441 |
712 |
yres = GX_FIXED_VAL_TO_INT(y) + yres; |
|
442 |
|||
443 |
712 |
newxpos = xpos + cx - xres; |
|
444 |
712 |
newypos = ypos + cy - yres; |
|
445 |
|||
446 |
/* Loop through the source's pixels. */ |
||
447 |
✓✓ | 166985 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
448 |
{ |
||
449 |
✓✓ | 47657057 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
450 |
{ |
||
451 |
47490784 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
452 |
47490784 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
453 |
|||
454 |
47490784 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
455 |
47490784 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
456 |
|||
457 |
47490784 |
xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
|
458 |
47490784 |
yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
|
459 |
|||
460 |
✓✓✓✓ ✓✓ |
47490784 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_width) && |
461 |
✓✓ | 32474471 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_height)) |
462 |
{ |
||
463 |
✓✓✓✓ ✓✓ |
28767330 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width - 1) && \ |
464 |
✓✓ | 28383002 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height - 1)) |
465 |
{ |
||
466 |
28265958 |
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data; |
|
467 |
28265958 |
get += yy * pixelmap -> gx_pixelmap_width; |
|
468 |
28265958 |
get += xx; |
|
469 |
|||
470 |
28265958 |
a = *get; |
|
471 |
28265958 |
b = *(get + 1); |
|
472 |
28265958 |
c = *(get + pixelmap -> gx_pixelmap_width); |
|
473 |
28265958 |
d = *(get + pixelmap -> gx_pixelmap_width + 1); |
|
474 |
} |
||
475 |
else |
||
476 |
{ |
||
477 |
501372 |
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data; |
|
478 |
|||
479 |
501372 |
a = 0; |
|
480 |
501372 |
b = a; |
|
481 |
501372 |
c = a; |
|
482 |
501372 |
d = a; |
|
483 |
|||
484 |
✓✓ | 501372 |
if (xx == -1) |
485 |
{ |
||
486 |
/* handle left edge. */ |
||
487 |
✓✓ | 135366 |
if (yy >= 0) |
488 |
{ |
||
489 |
135040 |
b = *(get + yy * pixelmap -> gx_pixelmap_width); |
|
490 |
} |
||
491 |
|||
492 |
✓✓ | 135366 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
493 |
{ |
||
494 |
134904 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
495 |
} |
||
496 |
} |
||
497 |
✓✓ | 366006 |
else if (yy == -1) |
498 |
{ |
||
499 |
/* handle top edge. */ |
||
500 |
93807 |
c = *(get + xx); |
|
501 |
|||
502 |
✓✓ | 93807 |
if (xx < pixelmap -> gx_pixelmap_width - 1) |
503 |
{ |
||
504 |
93403 |
d = *(get + xx + 1); |
|
505 |
} |
||
506 |
} |
||
507 |
✓✓ | 272199 |
else if (xx == pixelmap -> gx_pixelmap_width - 1) |
508 |
{ |
||
509 |
/* handle right edget. */ |
||
510 |
155155 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
511 |
|||
512 |
✓✓ | 155155 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
513 |
{ |
||
514 |
154163 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
515 |
} |
||
516 |
} |
||
517 |
else |
||
518 |
{ |
||
519 |
/* handle bottom edge. */ |
||
520 |
117044 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
521 |
117044 |
b = *(get + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
522 |
} |
||
523 |
} |
||
524 |
|||
525 |
28767330 |
red = (REDVAL(a) * (a >> 24) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \ |
|
526 |
28767330 |
REDVAL(b) * (b >> 24) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \ |
|
527 |
28767330 |
REDVAL(c) * (c >> 24) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \ |
|
528 |
28767330 |
REDVAL(d) * (d >> 24) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16; |
|
529 |
|||
530 |
28767330 |
green = (GREENVAL(a) * (a >> 24) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \ |
|
531 |
28767330 |
GREENVAL(b) * (b >> 24) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \ |
|
532 |
28767330 |
GREENVAL(c) * (c >> 24) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \ |
|
533 |
28767330 |
GREENVAL(d) * (d >> 24) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16; |
|
534 |
|||
535 |
28767330 |
blue = (BLUEVAL(a) * (a >> 24) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \ |
|
536 |
28767330 |
BLUEVAL(b) * (b >> 24) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \ |
|
537 |
28767330 |
BLUEVAL(c) * (c >> 24) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \ |
|
538 |
28767330 |
BLUEVAL(d) * (d >> 24) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16; |
|
539 |
|||
540 |
28767330 |
alpha = (INT)(((a >> 24) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \ |
|
541 |
28767330 |
(b >> 24) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \ |
|
542 |
28767330 |
(c >> 24) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \ |
|
543 |
28767330 |
(d >> 24) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16); |
|
544 |
|||
545 |
✓✓ | 28767330 |
if (alpha) |
546 |
{ |
||
547 |
20689070 |
red /= (UINT)alpha; |
|
548 |
20689070 |
green /= (UINT)alpha; |
|
549 |
20689070 |
blue /= (UINT)alpha; |
|
550 |
} |
||
551 |
|||
552 |
28767330 |
red = BYTE_RANGE(red); |
|
553 |
28767330 |
green = BYTE_RANGE(green); |
|
554 |
28767330 |
blue = BYTE_RANGE(blue); |
|
555 |
28767330 |
alpha = BYTE_RANGE(alpha); |
|
556 |
|||
557 |
28767330 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR(red, green, blue), (GX_UBYTE)alpha); |
|
558 |
} |
||
559 |
} |
||
560 |
} |
||
561 |
} |
||
562 |
|||
563 |
/**************************************************************************/ |
||
564 |
/* */ |
||
565 |
/* FUNCTION RELEASE */ |
||
566 |
/* */ |
||
567 |
/* _gx_display_driver_24xrgb_pixelmap_simple_rotate PORTABLE C */ |
||
568 |
/* 6.1.7 */ |
||
569 |
/* AUTHOR */ |
||
570 |
/* */ |
||
571 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
572 |
/* */ |
||
573 |
/* DESCRIPTION */ |
||
574 |
/* */ |
||
575 |
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
||
576 |
/* rotation. */ |
||
577 |
/* */ |
||
578 |
/* INPUT */ |
||
579 |
/* */ |
||
580 |
/* context Drawing context */ |
||
581 |
/* xpos x-coord of top-left draw point*/ |
||
582 |
/* ypos y-coord of top-left draw point*/ |
||
583 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
584 |
/* angle The angle to rotate */ |
||
585 |
/* cx x-coord of rotate center */ |
||
586 |
/* cy y-coord of rotate center */ |
||
587 |
/* */ |
||
588 |
/* OUTPUT */ |
||
589 |
/* */ |
||
590 |
/* None */ |
||
591 |
/* */ |
||
592 |
/* CALLS */ |
||
593 |
/* */ |
||
594 |
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
||
595 |
/* blend function */ |
||
596 |
/* */ |
||
597 |
/* CALLED BY */ |
||
598 |
/* */ |
||
599 |
/* GUIX Internal Code */ |
||
600 |
/* */ |
||
601 |
/* RELEASE HISTORY */ |
||
602 |
/* */ |
||
603 |
/* DATE NAME DESCRIPTION */ |
||
604 |
/* */ |
||
605 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
606 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
607 |
/* resulting in version 6.1 */ |
||
608 |
/* 06-02-2021 Kenneth Maxwell Modified comment(s), */ |
||
609 |
/* removed unused assignments, */ |
||
610 |
/* resulting in version 6.1.7 */ |
||
611 |
/* */ |
||
612 |
/**************************************************************************/ |
||
613 |
12 |
static VOID _gx_display_driver_24xrgb_pixelmap_simple_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
614 |
INT angle, INT cx, INT cy) |
||
615 |
{ |
||
616 |
GX_COLOR *putrow; |
||
617 |
GX_COLOR *put; |
||
618 |
GX_COLOR *get; |
||
619 |
INT width; |
||
620 |
INT height; |
||
621 |
INT x; |
||
622 |
INT y; |
||
623 |
GX_RECTANGLE *clip; |
||
624 |
INT newxpos; |
||
625 |
INT newypos; |
||
626 |
|||
627 |
GX_DISPLAY *display; |
||
628 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
629 |
|||
630 |
12 |
display = context -> gx_draw_context_display; |
|
631 |
12 |
blend_func = display -> gx_display_driver_pixel_blend; |
|
632 |
|||
633 |
12 |
clip = context -> gx_draw_context_clip; |
|
634 |
|||
635 |
✓✓ | 12 |
if (angle == 90) |
636 |
{ |
||
637 |
4 |
width = pixelmap -> gx_pixelmap_height; |
|
638 |
4 |
height = pixelmap -> gx_pixelmap_width; |
|
639 |
|||
640 |
4 |
newxpos = xpos + cx - (width - 1 - cy); |
|
641 |
4 |
newypos = ypos + cy - cx; |
|
642 |
|||
643 |
4 |
putrow = context -> gx_draw_context_memory; |
|
644 |
4 |
putrow += clip -> gx_rectangle_top * context -> gx_draw_context_pitch; |
|
645 |
4 |
putrow += clip -> gx_rectangle_left; |
|
646 |
|||
647 |
✓✓ | 862 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
648 |
{ |
||
649 |
858 |
put = putrow; |
|
650 |
|||
651 |
✓✓ | 150111 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
652 |
{ |
||
653 |
149253 |
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data; |
|
654 |
149253 |
get += (width - 1 - x) * height; |
|
655 |
149253 |
get += y; |
|
656 |
|||
657 |
✓✓ | 149253 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
658 |
{ |
||
659 |
90285 |
blend_func(context, clip -> gx_rectangle_left + x, clip -> gx_rectangle_top + y, *get, (GX_UBYTE)((*get) >> 24)); |
|
660 |
} |
||
661 |
else |
||
662 |
{ |
||
663 |
58968 |
*put++ = *get; |
|
664 |
} |
||
665 |
} |
||
666 |
|||
667 |
858 |
putrow += context -> gx_draw_context_pitch; |
|
668 |
} |
||
669 |
} |
||
670 |
✓✓ | 8 |
else if (angle == 180) |
671 |
{ |
||
672 |
|||
673 |
4 |
width = pixelmap -> gx_pixelmap_width; |
|
674 |
4 |
height = pixelmap -> gx_pixelmap_height; |
|
675 |
|||
676 |
4 |
newxpos = xpos + cx - (width - 1 - cx); |
|
677 |
4 |
newypos = ypos + cy - (height - 1 - cy); |
|
678 |
|||
679 |
4 |
putrow = context -> gx_draw_context_memory; |
|
680 |
4 |
putrow += clip -> gx_rectangle_top * context -> gx_draw_context_pitch; |
|
681 |
4 |
putrow += clip -> gx_rectangle_left; |
|
682 |
|||
683 |
✓✓ | 536 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
684 |
{ |
||
685 |
532 |
put = putrow; |
|
686 |
✓✓ | 107632 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
687 |
{ |
||
688 |
107100 |
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data; |
|
689 |
107100 |
get += (height - 1 - y) * width; |
|
690 |
107100 |
get += width - 1 - x; |
|
691 |
|||
692 |
✓✓ | 107100 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
693 |
{ |
||
694 |
58695 |
blend_func(context, clip -> gx_rectangle_left + x, clip -> gx_rectangle_top + y, *get, (GX_UBYTE)((*get) >> 24)); |
|
695 |
} |
||
696 |
else |
||
697 |
{ |
||
698 |
48405 |
*put++ = *get; |
|
699 |
} |
||
700 |
} |
||
701 |
|||
702 |
532 |
putrow += context -> gx_draw_context_pitch; |
|
703 |
} |
||
704 |
} |
||
705 |
else |
||
706 |
{ |
||
707 |
4 |
height = pixelmap -> gx_pixelmap_width; |
|
708 |
|||
709 |
4 |
newxpos = xpos + cx - cy; |
|
710 |
4 |
newypos = ypos + cx - (height - 1 - cy); |
|
711 |
|||
712 |
4 |
putrow = context -> gx_draw_context_memory; |
|
713 |
4 |
putrow += clip -> gx_rectangle_top * context -> gx_draw_context_pitch; |
|
714 |
4 |
putrow += clip -> gx_rectangle_left; |
|
715 |
|||
716 |
✓✓ | 578 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
717 |
{ |
||
718 |
574 |
put = putrow; |
|
719 |
|||
720 |
✓✓ | 105187 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
721 |
{ |
||
722 |
104613 |
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data; |
|
723 |
104613 |
get += x * height; |
|
724 |
104613 |
get += height - 1 - y; |
|
725 |
|||
726 |
✓✓ | 104613 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
727 |
{ |
||
728 |
61143 |
blend_func(context, clip -> gx_rectangle_left + x, clip -> gx_rectangle_top + y, *get, (GX_UBYTE)((*get) >> 24)); |
|
729 |
} |
||
730 |
else |
||
731 |
{ |
||
732 |
43470 |
*put++ = *get; |
|
733 |
} |
||
734 |
} |
||
735 |
|||
736 |
574 |
putrow += context -> gx_draw_context_pitch; |
|
737 |
} |
||
738 |
} |
||
739 |
12 |
} |
|
740 |
|||
741 |
/**************************************************************************/ |
||
742 |
/* */ |
||
743 |
/* FUNCTION RELEASE */ |
||
744 |
/* */ |
||
745 |
/* _gx_display_driver_32bpp_pixelmap_rotate PORTABLE C */ |
||
746 |
/* 6.1.9 */ |
||
747 |
/* AUTHOR */ |
||
748 |
/* */ |
||
749 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
750 |
/* */ |
||
751 |
/* DESCRIPTION */ |
||
752 |
/* */ |
||
753 |
/* This service rotate a pixelmap directly to canvas memory. */ |
||
754 |
/* */ |
||
755 |
/* INPUT */ |
||
756 |
/* */ |
||
757 |
/* context Drawing context */ |
||
758 |
/* xpos x-coord of top-left draw point*/ |
||
759 |
/* ypos y-coord of top-left draw point*/ |
||
760 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
761 |
/* angle The angle to rotate */ |
||
762 |
/* rot_cx x-coord of rotating center. */ |
||
763 |
/* rot_cy y-coord of rotationg center. */ |
||
764 |
/* */ |
||
765 |
/* OUTPUT */ |
||
766 |
/* */ |
||
767 |
/* None */ |
||
768 |
/* */ |
||
769 |
/* CALLS */ |
||
770 |
/* */ |
||
771 |
/* _gx_display_driver_24xrgb_pixelmap_simple_rotate */ |
||
772 |
/* Real display driver pixelmap */ |
||
773 |
/* rotate function */ |
||
774 |
/* _gx_display_driver_24xrgb_pixelmap_alpha_rotate */ |
||
775 |
/* Real display driver pixelmap */ |
||
776 |
/* rotate function */ |
||
777 |
/* _gx_display_driver_24xrgb_pixelmap_rotate */ |
||
778 |
/* Real display driver pixelmap */ |
||
779 |
/* rotate function */ |
||
780 |
/* */ |
||
781 |
/* CALLED BY */ |
||
782 |
/* */ |
||
783 |
/* GUIX Internal Code */ |
||
784 |
/* */ |
||
785 |
/* RELEASE HISTORY */ |
||
786 |
/* */ |
||
787 |
/* DATE NAME DESCRIPTION */ |
||
788 |
/* */ |
||
789 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
790 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
791 |
/* resulting in version 6.1 */ |
||
792 |
/* 10-15-2021 Ting Zhu Modified comment(s), */ |
||
793 |
/* corrected format type, */ |
||
794 |
/* resulting in version 6.1.9 */ |
||
795 |
/* */ |
||
796 |
/**************************************************************************/ |
||
797 |
1439 |
VOID _gx_display_driver_32bpp_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
798 |
INT angle, INT rot_cx, INT rot_cy) |
||
799 |
{ |
||
800 |
✓✓ | 1439 |
switch (pixelmap -> gx_pixelmap_format) |
801 |
{ |
||
802 |
1438 |
case GX_COLOR_FORMAT_24XRGB: |
|
803 |
case GX_COLOR_FORMAT_32ARGB: |
||
804 |
✓✓ | 1438 |
if (angle % 90 == 0) |
805 |
{ |
||
806 |
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */ |
||
807 |
12 |
_gx_display_driver_24xrgb_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
808 |
} |
||
809 |
else |
||
810 |
{ |
||
811 |
✓✓ | 1426 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
812 |
{ |
||
813 |
/* with alpha. */ |
||
814 |
713 |
_gx_display_driver_24xrgb_pixelmap_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
815 |
} |
||
816 |
else |
||
817 |
{ |
||
818 |
/* without alpha */ |
||
819 |
713 |
_gx_display_driver_24xrgb_pixelmap_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
820 |
} |
||
821 |
} |
||
822 |
1438 |
break; |
|
823 |
} |
||
824 |
|||
825 |
1439 |
return; |
|
826 |
} |
||
827 |
| Generated by: GCOVR (Version 4.1) |