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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 |
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21 |
#define REDVAL(_c) (GX_UBYTE)(((_c) >> 11) & 0x1f) |
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22 |
#define GREENVAL(_c) (GX_UBYTE)(((_c) >> 5) & 0x3f) |
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23 |
#define BLUEVAL(_c) (GX_UBYTE)(((_c)) & 0x1f) |
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24 |
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25 |
#define ASSEMBLECOLOR(_r, _g, _b) \ |
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26 |
((((_r) & 0x1f) << 11) | \ |
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27 |
(((_g) & 0x3f) << 5) | \ |
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28 |
(((_b) & 0x1f))) |
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29 |
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30 |
#define GX_SOURCE_CODE |
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31 |
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32 |
/* Include necessary system files. */ |
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33 |
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34 |
#include "gx_api.h" |
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35 |
#include "gx_display.h" |
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36 |
#include "gx_context.h" |
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37 |
#include "gx_utility.h" |
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38 |
#include "gx_system.h" |
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39 |
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40 |
/**************************************************************************/ |
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41 |
/* */ |
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42 |
/* FUNCTION RELEASE */ |
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43 |
/* */ |
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44 |
/* _gx_display_driver_565rgb_pixelmap_raw_rotate PORTABLE C */ |
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45 |
/* 6.1.10 */ |
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46 |
/* AUTHOR */ |
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47 |
/* */ |
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48 |
/* Kenneth Maxwell, Microsoft Corporation */ |
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49 |
/* */ |
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50 |
/* DESCRIPTION */ |
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51 |
/* */ |
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52 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
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53 |
/* without alpha. */ |
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54 |
/* */ |
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55 |
/* INPUT */ |
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56 |
/* */ |
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57 |
/* 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 |
/* status Completion status */ |
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68 |
/* */ |
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69 |
/* CALLS */ |
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70 |
/* */ |
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71 |
/* _gx_utility_math_cos Compute the cosine value */ |
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72 |
/* _gx_utility_math_sin Compute the sine value */ |
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73 |
/* [gx_display_driver_pixel_blend] Display driver basic pixel */ |
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74 |
/* blend function */ |
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75 |
/* */ |
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76 |
/* CALLED BY */ |
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77 |
/* */ |
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78 |
/* GUIX Internal Code */ |
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79 |
/* */ |
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80 |
/* RELEASE HISTORY */ |
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81 |
/* */ |
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82 |
/* DATE NAME DESCRIPTION */ |
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83 |
/* */ |
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84 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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85 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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86 |
/* resulting in version 6.1 */ |
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87 |
/* 01-31-2022 Ting Zhu Modified comment(s), */ |
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88 |
/* corrected logic, */ |
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89 |
/* resulting in version 6.1.10 */ |
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90 |
/* */ |
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91 |
/**************************************************************************/ |
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92 |
722 |
static VOID _gx_display_driver_565rgb_pixelmap_raw_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
93 |
INT angle, INT cx, INT cy) |
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94 |
{ |
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95 |
USHORT *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 |
USHORT red; |
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102 |
USHORT green; |
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103 |
USHORT blue; |
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104 |
INT idxminx; |
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105 |
INT idxmaxx; |
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106 |
INT idxmaxy; |
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107 |
INT *mx; |
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108 |
INT *my; |
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109 |
INT xres; |
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110 |
INT yres; |
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111 |
INT x; |
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112 |
INT y; |
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113 |
INT xx; |
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114 |
INT yy; |
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115 |
USHORT a; |
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116 |
USHORT b; |
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117 |
USHORT c; |
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118 |
USHORT d; |
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119 |
INT xdiff; |
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120 |
INT ydiff; |
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121 |
INT newxpos; |
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122 |
INT newypos; |
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123 |
GX_DISPLAY *display; |
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124 |
GX_RECTANGLE *clip; |
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125 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
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126 |
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127 |
722 |
clip = context -> gx_draw_context_clip; |
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128 |
722 |
display = context -> gx_draw_context_display; |
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129 |
722 |
blend_func = display -> gx_display_driver_pixel_blend; |
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130 |
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131 |
✓✓ | 722 |
if (!blend_func) |
132 |
{ |
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133 |
1 |
return; |
|
134 |
} |
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135 |
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136 |
721 |
mx = _gx_system_scratchpad; |
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137 |
721 |
my = mx + 4; |
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138 |
|||
139 |
721 |
mx[0] = mx[3] = -1; |
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140 |
721 |
mx[1] = mx[2] = 1; |
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141 |
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142 |
721 |
my[0] = my[1] = 1; |
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143 |
721 |
my[2] = my[3] = -1; |
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144 |
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145 |
721 |
idxminx = (angle / 90) & 0x3; |
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146 |
721 |
idxmaxx = (idxminx + 2) & 0x3; |
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147 |
721 |
idxmaxy = (idxminx + 1) & 0x3; |
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148 |
|||
149 |
/* Calculate the source x and y center. */ |
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150 |
721 |
srcxres = pixelmap -> gx_pixelmap_width >> 1; |
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151 |
721 |
srcyres = pixelmap -> gx_pixelmap_height >> 1; |
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152 |
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153 |
721 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
154 |
721 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
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155 |
|||
156 |
721 |
xres = GX_FIXED_VAL_TO_INT(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv); |
|
157 |
721 |
yres = GX_FIXED_VAL_TO_INT(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv); |
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158 |
|||
159 |
/* Calculate the new rotation axis. */ |
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160 |
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161 |
721 |
xres = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv) + xres; |
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162 |
721 |
yres = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv) + yres; |
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163 |
|||
164 |
721 |
newxpos = xpos + cx - xres; |
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165 |
721 |
newypos = ypos + cy - yres; |
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166 |
|||
167 |
/* Loop through the destination's pixels. */ |
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168 |
✓✓ | 152028 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
169 |
{ |
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170 |
✓✓ | 34388381 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
171 |
{ |
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172 |
34237074 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
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173 |
34237074 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
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174 |
|||
175 |
34237074 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
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176 |
34237074 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
177 |
|||
178 |
34237074 |
xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
|
179 |
34237074 |
yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
|
180 |
|||
181 |
✓✓✓✓ ✓✓ |
34237074 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_width) && |
182 |
✓✓ | 25732179 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_height)) |
183 |
{ |
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184 |
✓✓✓✓ ✓✓ |
19326463 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width - 1) && |
185 |
✓✓ | 19036082 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height - 1)) |
186 |
{ |
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187 |
18879375 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
188 |
18879375 |
get += yy * pixelmap -> gx_pixelmap_width; |
|
189 |
18879375 |
get += xx; |
|
190 |
|||
191 |
18879375 |
a = *get; |
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192 |
18879375 |
b = *(get + 1); |
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193 |
18879375 |
c = *(get + pixelmap -> gx_pixelmap_width); |
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194 |
18879375 |
d = *(get + pixelmap -> gx_pixelmap_width + 1); |
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195 |
|||
196 |
18879375 |
alpha = 0xff; |
|
197 |
} |
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198 |
else |
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199 |
{ |
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200 |
447088 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
201 |
|||
202 |
447088 |
a = 0; |
|
203 |
447088 |
b = 0; |
|
204 |
447088 |
c = 0; |
|
205 |
447088 |
d = 0; |
|
206 |
447088 |
alpha = 0; |
|
207 |
|||
208 |
✓✓ | 447088 |
if (xx == -1) |
209 |
{ |
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210 |
/* handle left edge. */ |
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211 |
✓✓ | 60226 |
if (yy >= 0) |
212 |
{ |
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213 |
59852 |
b = *(get + yy * pixelmap -> gx_pixelmap_width); |
|
214 |
59852 |
alpha += xdiff * (256 - ydiff); |
|
215 |
} |
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216 |
|||
217 |
✓✓ | 60226 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
218 |
{ |
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219 |
59765 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
220 |
59765 |
alpha += xdiff * ydiff; |
|
221 |
} |
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222 |
} |
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223 |
✓✓ | 386862 |
else if (yy == -1) |
224 |
{ |
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225 |
/* handle top edge. */ |
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226 |
139533 |
c = *(get + xx); |
|
227 |
139533 |
alpha += ydiff * (256 - xdiff); |
|
228 |
|||
229 |
✓✓ | 139533 |
if (xx < pixelmap -> gx_pixelmap_width - 1) |
230 |
{ |
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231 |
138872 |
d = *(get + xx + 1); |
|
232 |
138872 |
alpha += xdiff * ydiff; |
|
233 |
} |
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234 |
} |
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235 |
✓✓ | 247329 |
else if (xx == pixelmap -> gx_pixelmap_width - 1) |
236 |
{ |
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237 |
/* handle right edge. */ |
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238 |
90622 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
239 |
90622 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
240 |
|||
241 |
✓✓ | 90622 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
242 |
{ |
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243 |
89537 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
244 |
89537 |
alpha += ydiff * (256 - xdiff); |
|
245 |
} |
||
246 |
} |
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247 |
else |
||
248 |
{ |
||
249 |
/* handle bottom edge. */ |
||
250 |
156707 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
251 |
156707 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
252 |
|||
253 |
156707 |
b = *(get + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
254 |
156707 |
alpha += xdiff * (256 - ydiff); |
|
255 |
} |
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256 |
|||
257 |
447088 |
alpha >>= 8; |
|
258 |
} |
||
259 |
|||
260 |
19326463 |
red = (USHORT)((REDVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
261 |
19326463 |
REDVAL(b) * xdiff * (256 - ydiff) + |
|
262 |
19326463 |
REDVAL(c) * ydiff * (256 - xdiff) + |
|
263 |
19326463 |
REDVAL(d) * xdiff * ydiff) >> 16); |
|
264 |
|||
265 |
19326463 |
green = (USHORT)((GREENVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
266 |
19326463 |
GREENVAL(b) * xdiff * (256 - ydiff) + |
|
267 |
19326463 |
GREENVAL(c) * ydiff * (256 - xdiff) + |
|
268 |
19326463 |
GREENVAL(d) * xdiff * ydiff) >> 16); |
|
269 |
|||
270 |
19326463 |
blue = (USHORT)((BLUEVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
271 |
19326463 |
BLUEVAL(b) * xdiff * (256 - ydiff) + |
|
272 |
19326463 |
BLUEVAL(c) * ydiff * (256 - xdiff) + |
|
273 |
19326463 |
BLUEVAL(d) * xdiff * ydiff) >> 16); |
|
274 |
|||
275 |
✓✓✓✓ |
19326463 |
if ((alpha > 0) && (alpha < 0xff)) |
276 |
{ |
||
277 |
441966 |
red = (USHORT)((red << 8) / alpha); |
|
278 |
441966 |
green = (USHORT)((green << 8) / alpha); |
|
279 |
441966 |
blue = (USHORT)((blue << 8) / alpha); |
|
280 |
} |
||
281 |
|||
282 |
19326463 |
red = red > 31 ? 31 : red; |
|
283 |
19326463 |
green = green > 63 ? 63 : green; |
|
284 |
19326463 |
blue = blue > 31 ? 31 : blue; |
|
285 |
19326463 |
alpha = alpha > 255 ? 255 : alpha; |
|
286 |
|||
287 |
19326463 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR(red, green, blue), (GX_UBYTE)alpha); |
|
288 |
} |
||
289 |
} |
||
290 |
} |
||
291 |
} |
||
292 |
|||
293 |
/**************************************************************************/ |
||
294 |
/* */ |
||
295 |
/* FUNCTION RELEASE */ |
||
296 |
/* */ |
||
297 |
/* _gx_display_driver_565rgb_pixelmap_alpha_rotate PORTABLE C */ |
||
298 |
/* 6.1.10 */ |
||
299 |
/* AUTHOR */ |
||
300 |
/* */ |
||
301 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
302 |
/* */ |
||
303 |
/* DESCRIPTION */ |
||
304 |
/* */ |
||
305 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
||
306 |
/* with alpha. */ |
||
307 |
/* */ |
||
308 |
/* INPUT */ |
||
309 |
/* */ |
||
310 |
/* context Drawing context */ |
||
311 |
/* xpos x-coord of top-left draw point*/ |
||
312 |
/* ypos y-coord of top-left draw point*/ |
||
313 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
314 |
/* angle The angle to rotate */ |
||
315 |
/* cx x-coord of rotate center */ |
||
316 |
/* cy y-coord of rotate center */ |
||
317 |
/* */ |
||
318 |
/* OUTPUT */ |
||
319 |
/* */ |
||
320 |
/* status Completion status */ |
||
321 |
/* */ |
||
322 |
/* CALLS */ |
||
323 |
/* */ |
||
324 |
/* _gx_utility_math_cos Compute the cosine value */ |
||
325 |
/* _gx_utility_math_sin Compute the sine value */ |
||
326 |
/* [gx_display_driver_pixel_blend] Display driver basic pixel */ |
||
327 |
/* blend function */ |
||
328 |
/* */ |
||
329 |
/* CALLED BY */ |
||
330 |
/* */ |
||
331 |
/* GUIX Internal Code */ |
||
332 |
/* */ |
||
333 |
/* RELEASE HISTORY */ |
||
334 |
/* */ |
||
335 |
/* DATE NAME DESCRIPTION */ |
||
336 |
/* */ |
||
337 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
338 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
339 |
/* resulting in version 6.1 */ |
||
340 |
/* 01-31-2022 Ting Zhu Modified comment(s), */ |
||
341 |
/* corrected logic, */ |
||
342 |
/* resulting in version 6.1.10 */ |
||
343 |
/* */ |
||
344 |
/**************************************************************************/ |
||
345 |
1093 |
static VOID _gx_display_driver_565rgb_pixelmap_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
346 |
INT angle, INT cx, INT cy) |
||
347 |
{ |
||
348 |
USHORT *get; |
||
349 |
GX_UBYTE *getalpha; |
||
350 |
INT srcxres; |
||
351 |
INT srcyres; |
||
352 |
INT cosv; |
||
353 |
INT sinv; |
||
354 |
USHORT red; |
||
355 |
USHORT green; |
||
356 |
USHORT blue; |
||
357 |
INT idxminx; |
||
358 |
INT idxmaxx; |
||
359 |
INT idxmaxy; |
||
360 |
INT *mx; |
||
361 |
INT *my; |
||
362 |
INT xres; |
||
363 |
INT yres; |
||
364 |
INT x; |
||
365 |
INT y; |
||
366 |
INT xx; |
||
367 |
INT yy; |
||
368 |
USHORT a; |
||
369 |
USHORT b; |
||
370 |
USHORT c; |
||
371 |
USHORT d; |
||
372 |
USHORT alpha[4]; |
||
373 |
GX_FIXED_VAL xdiff; |
||
374 |
GX_FIXED_VAL ydiff; |
||
375 |
INT newxpos; |
||
376 |
INT newypos; |
||
377 |
GX_DISPLAY *display; |
||
378 |
GX_RECTANGLE *clip; |
||
379 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
380 |
|||
381 |
1093 |
clip = context -> gx_draw_context_clip; |
|
382 |
1093 |
display = context -> gx_draw_context_display; |
|
383 |
1093 |
blend_func = display -> gx_display_driver_pixel_blend; |
|
384 |
|||
385 |
✓✓ | 1093 |
if (!blend_func) |
386 |
{ |
||
387 |
1 |
return; |
|
388 |
} |
||
389 |
|||
390 |
1092 |
mx = _gx_system_scratchpad; |
|
391 |
1092 |
my = mx + 4; |
|
392 |
|||
393 |
1092 |
mx[0] = mx[3] = -1; |
|
394 |
1092 |
mx[1] = mx[2] = 1; |
|
395 |
|||
396 |
1092 |
my[0] = my[1] = 1; |
|
397 |
1092 |
my[2] = my[3] = -1; |
|
398 |
|||
399 |
1092 |
idxminx = (angle / 90) & 0x3; |
|
400 |
1092 |
idxmaxx = (idxminx + 2) & 0x3; |
|
401 |
1092 |
idxmaxy = (idxminx + 1) & 0x3; |
|
402 |
|||
403 |
/* Calculate the source x and y center. */ |
||
404 |
1092 |
srcxres = pixelmap -> gx_pixelmap_width >> 1; |
|
405 |
1092 |
srcyres = pixelmap -> gx_pixelmap_height >> 1; |
|
406 |
|||
407 |
1092 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
408 |
1092 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
409 |
|||
410 |
1092 |
xres = GX_FIXED_VAL_TO_INT(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv); |
|
411 |
1092 |
yres = GX_FIXED_VAL_TO_INT(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv); |
|
412 |
|||
413 |
1092 |
xres = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv) + xres; |
|
414 |
1092 |
yres = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv) + yres; |
|
415 |
|||
416 |
1092 |
newxpos = xpos + cx - xres; |
|
417 |
1092 |
newypos = ypos + cy - yres; |
|
418 |
|||
419 |
/* Loop through the source's pixels. */ |
||
420 |
✓✓ | 232128 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
421 |
{ |
||
422 |
✓✓ | 61588614 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
423 |
{ |
||
424 |
61357578 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
425 |
61357578 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
426 |
|||
427 |
61357578 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
428 |
61357578 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
429 |
|||
430 |
61357578 |
xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
|
431 |
61357578 |
yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
|
432 |
|||
433 |
✓✓✓✓ ✓✓ |
61357578 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_width) && |
434 |
✓✓ | 42728666 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_height)) |
435 |
{ |
||
436 |
✓✓✓✓ ✓✓ |
37174803 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width - 1) && \ |
437 |
✓✓ | 36655749 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height - 1)) |
438 |
{ |
||
439 |
36478677 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
440 |
36478677 |
get += yy * pixelmap -> gx_pixelmap_width; |
|
441 |
36478677 |
get += xx; |
|
442 |
|||
443 |
36478677 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
444 |
36478677 |
getalpha += yy * pixelmap -> gx_pixelmap_width; |
|
445 |
36478677 |
getalpha += xx; |
|
446 |
|||
447 |
36478677 |
a = *get; |
|
448 |
36478677 |
alpha[0] = *getalpha; |
|
449 |
|||
450 |
36478677 |
b = *(get + 1); |
|
451 |
36478677 |
alpha[1] = *(getalpha + 1); |
|
452 |
|||
453 |
36478677 |
c = *(get + pixelmap -> gx_pixelmap_width); |
|
454 |
36478677 |
alpha[2] = *(getalpha + pixelmap -> gx_pixelmap_width); |
|
455 |
|||
456 |
36478677 |
d = *(get + pixelmap -> gx_pixelmap_width + 1); |
|
457 |
36478677 |
alpha[3] = *(getalpha + pixelmap -> gx_pixelmap_width + 1); |
|
458 |
} |
||
459 |
else |
||
460 |
{ |
||
461 |
696126 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
462 |
696126 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
463 |
|||
464 |
696126 |
a = 0; |
|
465 |
696126 |
b = 0; |
|
466 |
696126 |
c = 0; |
|
467 |
696126 |
d = 0; |
|
468 |
|||
469 |
✓✓ | 696126 |
if (xx == -1) |
470 |
{ |
||
471 |
/* handle left edge. */ |
||
472 |
✓✓ | 171609 |
if (yy >= 0) |
473 |
{ |
||
474 |
171110 |
b = *(get + yy * pixelmap -> gx_pixelmap_width); |
|
475 |
171110 |
alpha[1] = *(getalpha + yy * pixelmap -> gx_pixelmap_width); |
|
476 |
} |
||
477 |
|||
478 |
✓✓ | 171609 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
479 |
{ |
||
480 |
170904 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
481 |
170904 |
alpha[3] = *(getalpha + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
482 |
} |
||
483 |
} |
||
484 |
✓✓ | 524517 |
else if (yy == -1) |
485 |
{ |
||
486 |
/* handle top edge. */ |
||
487 |
138878 |
c = *(get + xx); |
|
488 |
138878 |
alpha[2] = *(getalpha + xx); |
|
489 |
|||
490 |
✓✓ | 138878 |
if (xx < pixelmap -> gx_pixelmap_width - 1) |
491 |
{ |
||
492 |
138166 |
d = *(get + xx + 1); |
|
493 |
138166 |
alpha[3] = *(getalpha + xx + 1); |
|
494 |
} |
||
495 |
} |
||
496 |
✓✓ | 385639 |
else if (xx == pixelmap -> gx_pixelmap_width - 1) |
497 |
{ |
||
498 |
/* handle right edget. */ |
||
499 |
208567 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
500 |
208567 |
alpha[0] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx); |
|
501 |
|||
502 |
✓✓ | 208567 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
503 |
{ |
||
504 |
206837 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
505 |
206837 |
alpha[2] = *(getalpha + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
506 |
} |
||
507 |
} |
||
508 |
else |
||
509 |
{ |
||
510 |
/* handle bottom edge. */ |
||
511 |
177072 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
512 |
177072 |
alpha[0] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx); |
|
513 |
|||
514 |
177072 |
b = *(get + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
515 |
177072 |
alpha[1] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
516 |
} |
||
517 |
|||
518 |
✓✓ | 696126 |
if (!a) |
519 |
{ |
||
520 |
310895 |
alpha[0] = 0; |
|
521 |
} |
||
522 |
|||
523 |
✓✓ | 696126 |
if (!b) |
524 |
{ |
||
525 |
348068 |
alpha[1] = 0; |
|
526 |
} |
||
527 |
|||
528 |
✓✓ | 696126 |
if (!c) |
529 |
{ |
||
530 |
351019 |
alpha[2] = 0; |
|
531 |
} |
||
532 |
|||
533 |
✓✓ | 696126 |
if (!d) |
534 |
{ |
||
535 |
387364 |
alpha[3] = 0; |
|
536 |
} |
||
537 |
} |
||
538 |
|||
539 |
37174803 |
red = (USHORT)((REDVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
540 |
37174803 |
REDVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
541 |
37174803 |
REDVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
542 |
37174803 |
REDVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
543 |
|||
544 |
37174803 |
green = (USHORT)((GREENVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
545 |
37174803 |
GREENVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
546 |
37174803 |
GREENVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
547 |
37174803 |
GREENVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
548 |
|||
549 |
37174803 |
blue = (USHORT)((BLUEVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
550 |
37174803 |
BLUEVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
551 |
37174803 |
BLUEVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
552 |
37174803 |
BLUEVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
553 |
|||
554 |
37174803 |
alpha[0] = (USHORT)((alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
555 |
37174803 |
alpha[1] * xdiff * (256 - ydiff) + |
|
556 |
37174803 |
alpha[2] * ydiff * (256 - xdiff) + |
|
557 |
37174803 |
alpha[3] * xdiff * ydiff) >> 16); |
|
558 |
|||
559 |
✓✓ | 37174803 |
if (alpha[0]) |
560 |
{ |
||
561 |
24546792 |
red /= alpha[0]; |
|
562 |
24546792 |
green /= alpha[0]; |
|
563 |
24546792 |
blue /= alpha[0]; |
|
564 |
} |
||
565 |
|||
566 |
37174803 |
red = red > 31 ? 31 : red; |
|
567 |
37174803 |
green = green > 63 ? 63 : green; |
|
568 |
37174803 |
blue = blue > 31 ? 31 : blue; |
|
569 |
37174803 |
alpha[0] = alpha[0] > 255 ? 255 : alpha[0]; |
|
570 |
|||
571 |
37174803 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR(red, green, blue), (GX_UBYTE)alpha[0]); |
|
572 |
} |
||
573 |
} |
||
574 |
} |
||
575 |
} |
||
576 |
|||
577 |
/**************************************************************************/ |
||
578 |
/* */ |
||
579 |
/* FUNCTION RELEASE */ |
||
580 |
/* */ |
||
581 |
/* _gx_display_driver_16bpp_pixelmap_simple_rotate PORTABLE C */ |
||
582 |
/* 6.3.0 */ |
||
583 |
/* AUTHOR */ |
||
584 |
/* */ |
||
585 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
586 |
/* */ |
||
587 |
/* DESCRIPTION */ |
||
588 |
/* */ |
||
589 |
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
||
590 |
/* rotation. */ |
||
591 |
/* */ |
||
592 |
/* INPUT */ |
||
593 |
/* */ |
||
594 |
/* context Drawing context */ |
||
595 |
/* xpos x-coord of top-left draw point*/ |
||
596 |
/* ypos y-coord of top-left draw point*/ |
||
597 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
598 |
/* angle The angle to rotate */ |
||
599 |
/* cx x-coord of rotate center */ |
||
600 |
/* cy y-coord of rotate center */ |
||
601 |
/* */ |
||
602 |
/* OUTPUT */ |
||
603 |
/* */ |
||
604 |
/* status Completion status */ |
||
605 |
/* */ |
||
606 |
/* CALLS */ |
||
607 |
/* */ |
||
608 |
/* None */ |
||
609 |
/* */ |
||
610 |
/* CALLED BY */ |
||
611 |
/* */ |
||
612 |
/* GUIX Internal Code */ |
||
613 |
/* */ |
||
614 |
/* RELEASE HISTORY */ |
||
615 |
/* */ |
||
616 |
/* DATE NAME DESCRIPTION */ |
||
617 |
/* */ |
||
618 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
619 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
620 |
/* resulting in version 6.1 */ |
||
621 |
/* 06-02-2021 Kenneth Maxwell Modified comment(s), */ |
||
622 |
/* remove unused assignment, */ |
||
623 |
/* resulting in version 6.1.7 */ |
||
624 |
/* 10-31-2023 Ting Zhu Modified comment(s), */ |
||
625 |
/* added partial canvas buffer */ |
||
626 |
/* support, */ |
||
627 |
/* resulting in version 6.3.0 */ |
||
628 |
/* */ |
||
629 |
/**************************************************************************/ |
||
630 |
16 |
VOID _gx_display_driver_16bpp_pixelmap_simple_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
631 |
INT angle, INT cx, INT cy) |
||
632 |
{ |
||
633 |
USHORT *putrow; |
||
634 |
USHORT *put; |
||
635 |
USHORT *get; |
||
636 |
INT width; |
||
637 |
INT height; |
||
638 |
INT x; |
||
639 |
INT y; |
||
640 |
GX_RECTANGLE *clip; |
||
641 |
INT newxpos; |
||
642 |
INT newypos; |
||
643 |
|||
644 |
16 |
clip = context -> gx_draw_context_clip; |
|
645 |
|||
646 |
16 |
putrow = (USHORT *)context -> gx_draw_context_memory; |
|
647 |
|||
648 |
16 |
GX_CALCULATE_PUTROW(putrow, clip -> gx_rectangle_left, clip -> gx_rectangle_top, context); |
|
649 |
|||
650 |
✓✓ | 16 |
if (angle == 90) |
651 |
{ |
||
652 |
6 |
width = pixelmap -> gx_pixelmap_height; |
|
653 |
6 |
height = pixelmap -> gx_pixelmap_width; |
|
654 |
|||
655 |
6 |
newxpos = xpos + cx - (width - 1 - cy); |
|
656 |
6 |
newypos = ypos + cy - cx; |
|
657 |
|||
658 |
✓✓ | 1422 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
659 |
{ |
||
660 |
1416 |
put = putrow; |
|
661 |
|||
662 |
✓✓ | 179832 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
663 |
{ |
||
664 |
178416 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
665 |
178416 |
get += (width - 1 - x) * height; |
|
666 |
178416 |
get += y; |
|
667 |
|||
668 |
178416 |
*put++ = *get; |
|
669 |
} |
||
670 |
|||
671 |
1416 |
putrow += context -> gx_draw_context_pitch; |
|
672 |
} |
||
673 |
} |
||
674 |
✓✓ | 10 |
else if (angle == 180) |
675 |
{ |
||
676 |
|||
677 |
5 |
width = pixelmap -> gx_pixelmap_width; |
|
678 |
5 |
height = pixelmap -> gx_pixelmap_height; |
|
679 |
|||
680 |
5 |
newxpos = xpos + cx - (width - 1 - cx); |
|
681 |
5 |
newypos = ypos + cy - (height - 1 - cy); |
|
682 |
|||
683 |
✓✓ | 593 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
684 |
{ |
||
685 |
588 |
put = putrow; |
|
686 |
✓✓ | 127638 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
687 |
{ |
||
688 |
127050 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
689 |
127050 |
get += (height - 1 - y) * width; |
|
690 |
127050 |
get += width - 1 - x; |
|
691 |
|||
692 |
127050 |
*put++ = *get; |
|
693 |
} |
||
694 |
|||
695 |
588 |
putrow += context -> gx_draw_context_pitch; |
|
696 |
} |
||
697 |
} |
||
698 |
else |
||
699 |
{ |
||
700 |
5 |
height = pixelmap -> gx_pixelmap_width; |
|
701 |
|||
702 |
5 |
newxpos = xpos + cx - cy; |
|
703 |
5 |
newypos = ypos + cx - (height - 1 - cy); |
|
704 |
|||
705 |
✓✓ | 935 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
706 |
{ |
||
707 |
930 |
put = putrow; |
|
708 |
|||
709 |
✓✓ | 118110 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
710 |
{ |
||
711 |
117180 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
712 |
117180 |
get += x * height; |
|
713 |
117180 |
get += height - 1 - y; |
|
714 |
|||
715 |
117180 |
*put++ = *get; |
|
716 |
} |
||
717 |
|||
718 |
930 |
putrow += context -> gx_draw_context_pitch; |
|
719 |
} |
||
720 |
} |
||
721 |
16 |
} |
|
722 |
|||
723 |
/**************************************************************************/ |
||
724 |
/* */ |
||
725 |
/* FUNCTION RELEASE */ |
||
726 |
/* */ |
||
727 |
/* _gx_display_driver_16bpp_pixelmap_simple_alpha_rotate */ |
||
728 |
/* PORTABLE C */ |
||
729 |
/* 6.1.7 */ |
||
730 |
/* AUTHOR */ |
||
731 |
/* */ |
||
732 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
733 |
/* */ |
||
734 |
/* DESCRIPTION */ |
||
735 |
/* */ |
||
736 |
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
||
737 |
/* rotation with alpha channel. */ |
||
738 |
/* */ |
||
739 |
/* INPUT */ |
||
740 |
/* */ |
||
741 |
/* context Drawing context */ |
||
742 |
/* xpos x-coord of top-left draw point*/ |
||
743 |
/* ypos y-coord of top-left draw point*/ |
||
744 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
745 |
/* angle The angle to rotate */ |
||
746 |
/* cx x-coord of rotate center */ |
||
747 |
/* cy y-coord of rotate center */ |
||
748 |
/* */ |
||
749 |
/* OUTPUT */ |
||
750 |
/* */ |
||
751 |
/* status Completion status */ |
||
752 |
/* */ |
||
753 |
/* CALLS */ |
||
754 |
/* */ |
||
755 |
/* [gx_display_driver_pixel_blend] Display driver basic pixel */ |
||
756 |
/* blend function */ |
||
757 |
/* */ |
||
758 |
/* CALLED BY */ |
||
759 |
/* */ |
||
760 |
/* GUIX Internal Code */ |
||
761 |
/* */ |
||
762 |
/* RELEASE HISTORY */ |
||
763 |
/* */ |
||
764 |
/* DATE NAME DESCRIPTION */ |
||
765 |
/* */ |
||
766 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
767 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
768 |
/* resulting in version 6.1 */ |
||
769 |
/* 06-02-2021 Kenneth Maxwell Modified comment(s), */ |
||
770 |
/* remove unused assignment, */ |
||
771 |
/* resulting in version 6.1.7 */ |
||
772 |
/* */ |
||
773 |
/**************************************************************************/ |
||
774 |
25 |
VOID _gx_display_driver_16bpp_pixelmap_simple_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
775 |
INT angle, INT cx, INT cy) |
||
776 |
{ |
||
777 |
USHORT *get; |
||
778 |
GX_UBYTE *getalpha; |
||
779 |
INT width; |
||
780 |
INT height; |
||
781 |
INT x; |
||
782 |
INT y; |
||
783 |
GX_RECTANGLE *clip; |
||
784 |
INT newxpos; |
||
785 |
INT newypos; |
||
786 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
787 |
|||
788 |
25 |
clip = context -> gx_draw_context_clip; |
|
789 |
25 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
|
790 |
|||
791 |
✓✓ | 25 |
if (GX_NULL == blend_func) |
792 |
{ |
||
793 |
1 |
return; |
|
794 |
} |
||
795 |
|||
796 |
✓✓ | 24 |
if (angle == 90) |
797 |
{ |
||
798 |
8 |
width = pixelmap -> gx_pixelmap_height; |
|
799 |
8 |
height = pixelmap -> gx_pixelmap_width; |
|
800 |
|||
801 |
8 |
newxpos = xpos + cx - (width - 1 - cy); |
|
802 |
8 |
newypos = ypos + cy - cx; |
|
803 |
|||
804 |
✓✓ | 1366 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
805 |
{ |
||
806 |
✓✓ | 277677 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
807 |
{ |
||
808 |
276319 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
809 |
276319 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
810 |
276319 |
get += (width - 1 - x) * height; |
|
811 |
276319 |
get += y; |
|
812 |
276319 |
getalpha += (width - 1 - x) * height; |
|
813 |
276319 |
getalpha += y; |
|
814 |
276319 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
815 |
} |
||
816 |
} |
||
817 |
} |
||
818 |
✓✓ | 16 |
else if (angle == 180) |
819 |
{ |
||
820 |
|||
821 |
8 |
width = pixelmap -> gx_pixelmap_width; |
|
822 |
8 |
height = pixelmap -> gx_pixelmap_height; |
|
823 |
|||
824 |
8 |
newxpos = xpos + cx - (width - 1 - cx); |
|
825 |
8 |
newypos = ypos + cy - (height - 1 - cy); |
|
826 |
|||
827 |
|||
828 |
✓✓ | 1216 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
829 |
{ |
||
830 |
✓✓ | 225777 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
831 |
{ |
||
832 |
224569 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
833 |
224569 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
834 |
224569 |
get += (height - 1 - y) * width; |
|
835 |
224569 |
get += width - 1 - x; |
|
836 |
224569 |
getalpha += (height - 1 - y) * width; |
|
837 |
224569 |
getalpha += width - 1 - x; |
|
838 |
|||
839 |
224569 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
840 |
} |
||
841 |
} |
||
842 |
} |
||
843 |
else |
||
844 |
{ |
||
845 |
8 |
height = pixelmap -> gx_pixelmap_width; |
|
846 |
|||
847 |
8 |
newxpos = xpos + cx - cy; |
|
848 |
8 |
newypos = ypos + cx - (height - 1 - cy); |
|
849 |
|||
850 |
✓✓ | 1031 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
851 |
{ |
||
852 |
✓✓ | 222274 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
853 |
{ |
||
854 |
221251 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
855 |
221251 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
856 |
221251 |
get += x * height; |
|
857 |
221251 |
get += height - 1 - y; |
|
858 |
221251 |
getalpha += x * height; |
|
859 |
221251 |
getalpha += height - 1 - y; |
|
860 |
|||
861 |
221251 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
862 |
} |
||
863 |
} |
||
864 |
} |
||
865 |
} |
||
866 |
|||
867 |
/**************************************************************************/ |
||
868 |
/* */ |
||
869 |
/* FUNCTION RELEASE */ |
||
870 |
/* */ |
||
871 |
/* _gx_display_driver_16bpp_pixelmap_rotate PORTABLE C */ |
||
872 |
/* 6.1 */ |
||
873 |
/* AUTHOR */ |
||
874 |
/* */ |
||
875 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
876 |
/* */ |
||
877 |
/* DESCRIPTION */ |
||
878 |
/* */ |
||
879 |
/* This service rotate a pixelmap directly to canvas memory. */ |
||
880 |
/* */ |
||
881 |
/* INPUT */ |
||
882 |
/* */ |
||
883 |
/* context Drawing context */ |
||
884 |
/* xpos x-coord of top-left draw point*/ |
||
885 |
/* ypos y-coord of top-left draw point*/ |
||
886 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
887 |
/* angle The angle to rotate */ |
||
888 |
/* rot_cx x-coord of rotating center. */ |
||
889 |
/* rot_cy y-coord of rotationg center. */ |
||
890 |
/* */ |
||
891 |
/* OUTPUT */ |
||
892 |
/* */ |
||
893 |
/* status Completion status */ |
||
894 |
/* */ |
||
895 |
/* CALLS */ |
||
896 |
/* */ |
||
897 |
/* _gx_display_driver_16bpp_pixelmap_simple_alpha_rotate */ |
||
898 |
/* Real rotate functin */ |
||
899 |
/* _gx_display_driver_16bpp_pixelmap_simple_rotate */ |
||
900 |
/* Real rotate functin */ |
||
901 |
/* _gx_display_driver_565rgb_pixelmap_alpha_rotate */ |
||
902 |
/* Real rotate functin */ |
||
903 |
/* _gx_display_driver_565rgb_pixelmap_raw_rotate */ |
||
904 |
/* Real rotate functin */ |
||
905 |
/* */ |
||
906 |
/* CALLED BY */ |
||
907 |
/* */ |
||
908 |
/* Application Code */ |
||
909 |
/* GUIX Internal Code */ |
||
910 |
/* */ |
||
911 |
/* RELEASE HISTORY */ |
||
912 |
/* */ |
||
913 |
/* DATE NAME DESCRIPTION */ |
||
914 |
/* */ |
||
915 |
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
||
916 |
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
||
917 |
/* added 565bgr format support,*/ |
||
918 |
/* resulting in version 6.1 */ |
||
919 |
/* */ |
||
920 |
/**************************************************************************/ |
||
921 |
1845 |
VOID _gx_display_driver_16bpp_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
922 |
INT angle, INT rot_cx, INT rot_cy) |
||
923 |
{ |
||
924 |
✓✓ | 1845 |
switch (pixelmap -> gx_pixelmap_format) |
925 |
{ |
||
926 |
1844 |
case GX_COLOR_FORMAT_565RGB: |
|
927 |
case GX_COLOR_FORMAT_565BGR: |
||
928 |
✓✓ | 1844 |
if (angle % 90 == 0) |
929 |
{ |
||
930 |
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */ |
||
931 |
✓✓ | 29 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
932 |
{ |
||
933 |
19 |
_gx_display_driver_16bpp_pixelmap_simple_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
934 |
} |
||
935 |
else |
||
936 |
{ |
||
937 |
10 |
_gx_display_driver_16bpp_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
938 |
} |
||
939 |
29 |
break; |
|
940 |
} |
||
941 |
else |
||
942 |
{ |
||
943 |
/* General rotation case. */ |
||
944 |
✓✓ | 1815 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
945 |
{ |
||
946 |
/* alpha, no compression */ |
||
947 |
1093 |
_gx_display_driver_565rgb_pixelmap_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
948 |
} |
||
949 |
else |
||
950 |
{ |
||
951 |
|||
952 |
/* no compression or alpha */ |
||
953 |
722 |
_gx_display_driver_565rgb_pixelmap_raw_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
954 |
} |
||
955 |
1815 |
break; |
|
956 |
} |
||
957 |
} |
||
958 |
1845 |
return; |
|
959 |
} |
||
960 |
| Generated by: GCOVR (Version 4.1) |