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/*************************************************************************** |
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2 |
* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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* |
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* This program and the accompanying materials are made available under the |
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6 |
* terms of the MIT License which is available at |
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7 |
* https://opensource.org/licenses/MIT. |
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* |
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9 |
* SPDX-License-Identifier: MIT |
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10 |
**************************************************************************/ |
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11 |
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12 |
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13 |
/**************************************************************************/ |
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14 |
/**************************************************************************/ |
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15 |
/** */ |
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16 |
/** GUIX Component */ |
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17 |
/** */ |
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18 |
/** Display Management (Display) */ |
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19 |
/** */ |
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20 |
/**************************************************************************/ |
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21 |
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22 |
#define REDVAL(_c) (GX_UBYTE)(((_c) >> 11) & 0x1f) |
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23 |
#define GREENVAL(_c) (GX_UBYTE)(((_c) >> 5) & 0x3f) |
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24 |
#define BLUEVAL(_c) (GX_UBYTE)(((_c)) & 0x1f) |
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25 |
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26 |
#define ASSEMBLECOLOR(_r, _g, _b) \ |
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27 |
((((_r) & 0x1f) << 11) | \ |
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28 |
(((_g) & 0x3f) << 5) | \ |
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29 |
(((_b) & 0x1f))) |
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30 |
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31 |
#define GX_SOURCE_CODE |
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32 |
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33 |
/* Include necessary system files. */ |
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34 |
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35 |
#include "gx_api.h" |
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36 |
#include "gx_display.h" |
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37 |
#include "gx_context.h" |
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38 |
#include "gx_utility.h" |
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39 |
#include "gx_system.h" |
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40 |
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41 |
/**************************************************************************/ |
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42 |
/* */ |
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43 |
/* FUNCTION RELEASE */ |
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44 |
/* */ |
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45 |
/* _gx_display_driver_565rgb_pixelmap_raw_rotate PORTABLE C */ |
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46 |
/* 6.1.10 */ |
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47 |
/* AUTHOR */ |
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48 |
/* */ |
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49 |
/* Kenneth Maxwell, Microsoft Corporation */ |
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50 |
/* */ |
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51 |
/* DESCRIPTION */ |
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52 |
/* */ |
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53 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
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54 |
/* without alpha. */ |
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55 |
/* */ |
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56 |
/* INPUT */ |
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57 |
/* */ |
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58 |
/* context Drawing context */ |
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59 |
/* xpos x-coord of top-left draw point*/ |
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60 |
/* ypos y-coord of top-left draw point*/ |
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61 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
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62 |
/* angle The angle to rotate */ |
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63 |
/* cx x-coord of rotate center */ |
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64 |
/* cy y-coord of rotate center */ |
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65 |
/* */ |
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66 |
/* OUTPUT */ |
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67 |
/* */ |
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68 |
/* status Completion status */ |
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69 |
/* */ |
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70 |
/* CALLS */ |
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71 |
/* */ |
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72 |
/* _gx_utility_math_cos Compute the cosine value */ |
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73 |
/* _gx_utility_math_sin Compute the sine value */ |
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74 |
/* [gx_display_driver_pixel_blend] Display driver basic pixel */ |
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75 |
/* blend function */ |
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76 |
/* */ |
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77 |
/* CALLED BY */ |
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78 |
/* */ |
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79 |
/* GUIX Internal Code */ |
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80 |
/* */ |
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81 |
/**************************************************************************/ |
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82 |
722 |
static VOID _gx_display_driver_565rgb_pixelmap_raw_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
83 |
INT angle, INT cx, INT cy) |
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84 |
{ |
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85 |
USHORT *get; |
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86 |
INT srcxres; |
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87 |
INT srcyres; |
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88 |
INT cosv; |
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89 |
INT sinv; |
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90 |
INT alpha; |
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91 |
USHORT red; |
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92 |
USHORT green; |
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93 |
USHORT blue; |
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94 |
INT idxminx; |
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95 |
INT idxmaxx; |
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96 |
INT idxmaxy; |
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97 |
INT *mx; |
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98 |
INT *my; |
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99 |
INT xres; |
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100 |
INT yres; |
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101 |
INT x; |
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102 |
INT y; |
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103 |
INT xx; |
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104 |
INT yy; |
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105 |
USHORT a; |
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106 |
USHORT b; |
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107 |
USHORT c; |
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108 |
USHORT d; |
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109 |
INT xdiff; |
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110 |
INT ydiff; |
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111 |
INT newxpos; |
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112 |
INT newypos; |
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113 |
GX_DISPLAY *display; |
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114 |
GX_RECTANGLE *clip; |
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115 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
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116 |
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117 |
722 |
clip = context -> gx_draw_context_clip; |
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118 |
722 |
display = context -> gx_draw_context_display; |
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119 |
722 |
blend_func = display -> gx_display_driver_pixel_blend; |
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120 |
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121 |
✓✓ | 722 |
if (!blend_func) |
122 |
{ |
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123 |
1 |
return; |
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124 |
} |
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125 |
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126 |
721 |
mx = _gx_system_scratchpad; |
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127 |
721 |
my = mx + 4; |
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128 |
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129 |
721 |
mx[0] = mx[3] = -1; |
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130 |
721 |
mx[1] = mx[2] = 1; |
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131 |
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132 |
721 |
my[0] = my[1] = 1; |
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133 |
721 |
my[2] = my[3] = -1; |
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134 |
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135 |
721 |
idxminx = (angle / 90) & 0x3; |
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136 |
721 |
idxmaxx = (idxminx + 2) & 0x3; |
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137 |
721 |
idxmaxy = (idxminx + 1) & 0x3; |
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138 |
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139 |
/* Calculate the source x and y center. */ |
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140 |
721 |
srcxres = pixelmap -> gx_pixelmap_width >> 1; |
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141 |
721 |
srcyres = pixelmap -> gx_pixelmap_height >> 1; |
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142 |
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143 |
721 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
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144 |
721 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
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145 |
|||
146 |
721 |
xres = GX_FIXED_VAL_TO_INT(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv); |
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147 |
721 |
yres = GX_FIXED_VAL_TO_INT(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv); |
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148 |
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149 |
/* Calculate the new rotation axis. */ |
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150 |
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151 |
721 |
xres = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv) + xres; |
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152 |
721 |
yres = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv) + yres; |
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153 |
|||
154 |
721 |
newxpos = xpos + cx - xres; |
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155 |
721 |
newypos = ypos + cy - yres; |
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156 |
|||
157 |
/* Loop through the destination's pixels. */ |
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158 |
✓✓ | 152028 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
159 |
{ |
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160 |
✓✓ | 34388381 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
161 |
{ |
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162 |
34237074 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
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163 |
34237074 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
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164 |
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165 |
34237074 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
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166 |
34237074 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
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167 |
|||
168 |
34237074 |
xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
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169 |
34237074 |
yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
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170 |
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171 |
✓✓✓✓ ✓✓ |
34237074 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_width) && |
172 |
✓✓ | 25732179 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_height)) |
173 |
{ |
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174 |
✓✓✓✓ ✓✓ |
19326463 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width - 1) && |
175 |
✓✓ | 19036082 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height - 1)) |
176 |
{ |
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177 |
18879375 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
178 |
18879375 |
get += yy * pixelmap -> gx_pixelmap_width; |
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179 |
18879375 |
get += xx; |
|
180 |
|||
181 |
18879375 |
a = *get; |
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182 |
18879375 |
b = *(get + 1); |
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183 |
18879375 |
c = *(get + pixelmap -> gx_pixelmap_width); |
|
184 |
18879375 |
d = *(get + pixelmap -> gx_pixelmap_width + 1); |
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185 |
|||
186 |
18879375 |
alpha = 0xff; |
|
187 |
} |
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188 |
else |
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189 |
{ |
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190 |
447088 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
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191 |
|||
192 |
447088 |
a = 0; |
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193 |
447088 |
b = 0; |
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194 |
447088 |
c = 0; |
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195 |
447088 |
d = 0; |
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196 |
447088 |
alpha = 0; |
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197 |
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198 |
✓✓ | 447088 |
if (xx == -1) |
199 |
{ |
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200 |
/* handle left edge. */ |
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201 |
✓✓ | 60226 |
if (yy >= 0) |
202 |
{ |
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203 |
59852 |
b = *(get + yy * pixelmap -> gx_pixelmap_width); |
|
204 |
59852 |
alpha += xdiff * (256 - ydiff); |
|
205 |
} |
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206 |
|||
207 |
✓✓ | 60226 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
208 |
{ |
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209 |
59765 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
210 |
59765 |
alpha += xdiff * ydiff; |
|
211 |
} |
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212 |
} |
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213 |
✓✓ | 386862 |
else if (yy == -1) |
214 |
{ |
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215 |
/* handle top edge. */ |
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216 |
139533 |
c = *(get + xx); |
|
217 |
139533 |
alpha += ydiff * (256 - xdiff); |
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218 |
|||
219 |
✓✓ | 139533 |
if (xx < pixelmap -> gx_pixelmap_width - 1) |
220 |
{ |
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221 |
138872 |
d = *(get + xx + 1); |
|
222 |
138872 |
alpha += xdiff * ydiff; |
|
223 |
} |
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224 |
} |
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225 |
✓✓ | 247329 |
else if (xx == pixelmap -> gx_pixelmap_width - 1) |
226 |
{ |
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227 |
/* handle right edge. */ |
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228 |
90622 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
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229 |
90622 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
230 |
|||
231 |
✓✓ | 90622 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
232 |
{ |
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233 |
89537 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
234 |
89537 |
alpha += ydiff * (256 - xdiff); |
|
235 |
} |
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236 |
} |
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237 |
else |
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238 |
{ |
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239 |
/* handle bottom edge. */ |
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240 |
156707 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
241 |
156707 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
242 |
|||
243 |
156707 |
b = *(get + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
244 |
156707 |
alpha += xdiff * (256 - ydiff); |
|
245 |
} |
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246 |
|||
247 |
447088 |
alpha >>= 8; |
|
248 |
} |
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249 |
|||
250 |
19326463 |
red = (USHORT)((REDVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
251 |
19326463 |
REDVAL(b) * xdiff * (256 - ydiff) + |
|
252 |
19326463 |
REDVAL(c) * ydiff * (256 - xdiff) + |
|
253 |
19326463 |
REDVAL(d) * xdiff * ydiff) >> 16); |
|
254 |
|||
255 |
19326463 |
green = (USHORT)((GREENVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
256 |
19326463 |
GREENVAL(b) * xdiff * (256 - ydiff) + |
|
257 |
19326463 |
GREENVAL(c) * ydiff * (256 - xdiff) + |
|
258 |
19326463 |
GREENVAL(d) * xdiff * ydiff) >> 16); |
|
259 |
|||
260 |
19326463 |
blue = (USHORT)((BLUEVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
261 |
19326463 |
BLUEVAL(b) * xdiff * (256 - ydiff) + |
|
262 |
19326463 |
BLUEVAL(c) * ydiff * (256 - xdiff) + |
|
263 |
19326463 |
BLUEVAL(d) * xdiff * ydiff) >> 16); |
|
264 |
|||
265 |
✓✓✓✓ |
19326463 |
if ((alpha > 0) && (alpha < 0xff)) |
266 |
{ |
||
267 |
441966 |
red = (USHORT)((red << 8) / alpha); |
|
268 |
441966 |
green = (USHORT)((green << 8) / alpha); |
|
269 |
441966 |
blue = (USHORT)((blue << 8) / alpha); |
|
270 |
} |
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271 |
|||
272 |
19326463 |
red = red > 31 ? 31 : red; |
|
273 |
19326463 |
green = green > 63 ? 63 : green; |
|
274 |
19326463 |
blue = blue > 31 ? 31 : blue; |
|
275 |
19326463 |
alpha = alpha > 255 ? 255 : alpha; |
|
276 |
|||
277 |
19326463 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR(red, green, blue), (GX_UBYTE)alpha); |
|
278 |
} |
||
279 |
} |
||
280 |
} |
||
281 |
} |
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282 |
|||
283 |
/**************************************************************************/ |
||
284 |
/* */ |
||
285 |
/* FUNCTION RELEASE */ |
||
286 |
/* */ |
||
287 |
/* _gx_display_driver_565rgb_pixelmap_alpha_rotate PORTABLE C */ |
||
288 |
/* 6.1.10 */ |
||
289 |
/* AUTHOR */ |
||
290 |
/* */ |
||
291 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
292 |
/* */ |
||
293 |
/* DESCRIPTION */ |
||
294 |
/* */ |
||
295 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
||
296 |
/* with alpha. */ |
||
297 |
/* */ |
||
298 |
/* INPUT */ |
||
299 |
/* */ |
||
300 |
/* context Drawing context */ |
||
301 |
/* xpos x-coord of top-left draw point*/ |
||
302 |
/* ypos y-coord of top-left draw point*/ |
||
303 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
304 |
/* angle The angle to rotate */ |
||
305 |
/* cx x-coord of rotate center */ |
||
306 |
/* cy y-coord of rotate center */ |
||
307 |
/* */ |
||
308 |
/* OUTPUT */ |
||
309 |
/* */ |
||
310 |
/* status Completion status */ |
||
311 |
/* */ |
||
312 |
/* CALLS */ |
||
313 |
/* */ |
||
314 |
/* _gx_utility_math_cos Compute the cosine value */ |
||
315 |
/* _gx_utility_math_sin Compute the sine value */ |
||
316 |
/* [gx_display_driver_pixel_blend] Display driver basic pixel */ |
||
317 |
/* blend function */ |
||
318 |
/* */ |
||
319 |
/* CALLED BY */ |
||
320 |
/* */ |
||
321 |
/* GUIX Internal Code */ |
||
322 |
/* */ |
||
323 |
/**************************************************************************/ |
||
324 |
1093 |
static VOID _gx_display_driver_565rgb_pixelmap_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
325 |
INT angle, INT cx, INT cy) |
||
326 |
{ |
||
327 |
USHORT *get; |
||
328 |
GX_UBYTE *getalpha; |
||
329 |
INT srcxres; |
||
330 |
INT srcyres; |
||
331 |
INT cosv; |
||
332 |
INT sinv; |
||
333 |
USHORT red; |
||
334 |
USHORT green; |
||
335 |
USHORT blue; |
||
336 |
INT idxminx; |
||
337 |
INT idxmaxx; |
||
338 |
INT idxmaxy; |
||
339 |
INT *mx; |
||
340 |
INT *my; |
||
341 |
INT xres; |
||
342 |
INT yres; |
||
343 |
INT x; |
||
344 |
INT y; |
||
345 |
INT xx; |
||
346 |
INT yy; |
||
347 |
USHORT a; |
||
348 |
USHORT b; |
||
349 |
USHORT c; |
||
350 |
USHORT d; |
||
351 |
USHORT alpha[4]; |
||
352 |
GX_FIXED_VAL xdiff; |
||
353 |
GX_FIXED_VAL ydiff; |
||
354 |
INT newxpos; |
||
355 |
INT newypos; |
||
356 |
GX_DISPLAY *display; |
||
357 |
GX_RECTANGLE *clip; |
||
358 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
359 |
|||
360 |
1093 |
clip = context -> gx_draw_context_clip; |
|
361 |
1093 |
display = context -> gx_draw_context_display; |
|
362 |
1093 |
blend_func = display -> gx_display_driver_pixel_blend; |
|
363 |
|||
364 |
✓✓ | 1093 |
if (!blend_func) |
365 |
{ |
||
366 |
1 |
return; |
|
367 |
} |
||
368 |
|||
369 |
1092 |
mx = _gx_system_scratchpad; |
|
370 |
1092 |
my = mx + 4; |
|
371 |
|||
372 |
1092 |
mx[0] = mx[3] = -1; |
|
373 |
1092 |
mx[1] = mx[2] = 1; |
|
374 |
|||
375 |
1092 |
my[0] = my[1] = 1; |
|
376 |
1092 |
my[2] = my[3] = -1; |
|
377 |
|||
378 |
1092 |
idxminx = (angle / 90) & 0x3; |
|
379 |
1092 |
idxmaxx = (idxminx + 2) & 0x3; |
|
380 |
1092 |
idxmaxy = (idxminx + 1) & 0x3; |
|
381 |
|||
382 |
/* Calculate the source x and y center. */ |
||
383 |
1092 |
srcxres = pixelmap -> gx_pixelmap_width >> 1; |
|
384 |
1092 |
srcyres = pixelmap -> gx_pixelmap_height >> 1; |
|
385 |
|||
386 |
1092 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
387 |
1092 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
388 |
|||
389 |
1092 |
xres = GX_FIXED_VAL_TO_INT(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv); |
|
390 |
1092 |
yres = GX_FIXED_VAL_TO_INT(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv); |
|
391 |
|||
392 |
1092 |
xres = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv) + xres; |
|
393 |
1092 |
yres = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv) + yres; |
|
394 |
|||
395 |
1092 |
newxpos = xpos + cx - xres; |
|
396 |
1092 |
newypos = ypos + cy - yres; |
|
397 |
|||
398 |
/* Loop through the source's pixels. */ |
||
399 |
✓✓ | 232128 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
400 |
{ |
||
401 |
✓✓ | 61588614 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
402 |
{ |
||
403 |
61357578 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
404 |
61357578 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
405 |
|||
406 |
61357578 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
407 |
61357578 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
408 |
|||
409 |
61357578 |
xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
|
410 |
61357578 |
yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
|
411 |
|||
412 |
✓✓✓✓ ✓✓ |
61357578 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_width) && |
413 |
✓✓ | 42728666 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_height)) |
414 |
{ |
||
415 |
✓✓✓✓ ✓✓ |
37174803 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width - 1) && \ |
416 |
✓✓ | 36655749 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height - 1)) |
417 |
{ |
||
418 |
36478677 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
419 |
36478677 |
get += yy * pixelmap -> gx_pixelmap_width; |
|
420 |
36478677 |
get += xx; |
|
421 |
|||
422 |
36478677 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
423 |
36478677 |
getalpha += yy * pixelmap -> gx_pixelmap_width; |
|
424 |
36478677 |
getalpha += xx; |
|
425 |
|||
426 |
36478677 |
a = *get; |
|
427 |
36478677 |
alpha[0] = *getalpha; |
|
428 |
|||
429 |
36478677 |
b = *(get + 1); |
|
430 |
36478677 |
alpha[1] = *(getalpha + 1); |
|
431 |
|||
432 |
36478677 |
c = *(get + pixelmap -> gx_pixelmap_width); |
|
433 |
36478677 |
alpha[2] = *(getalpha + pixelmap -> gx_pixelmap_width); |
|
434 |
|||
435 |
36478677 |
d = *(get + pixelmap -> gx_pixelmap_width + 1); |
|
436 |
36478677 |
alpha[3] = *(getalpha + pixelmap -> gx_pixelmap_width + 1); |
|
437 |
} |
||
438 |
else |
||
439 |
{ |
||
440 |
696126 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
441 |
696126 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
442 |
|||
443 |
696126 |
a = 0; |
|
444 |
696126 |
b = 0; |
|
445 |
696126 |
c = 0; |
|
446 |
696126 |
d = 0; |
|
447 |
|||
448 |
✓✓ | 696126 |
if (xx == -1) |
449 |
{ |
||
450 |
/* handle left edge. */ |
||
451 |
✓✓ | 171609 |
if (yy >= 0) |
452 |
{ |
||
453 |
171110 |
b = *(get + yy * pixelmap -> gx_pixelmap_width); |
|
454 |
171110 |
alpha[1] = *(getalpha + yy * pixelmap -> gx_pixelmap_width); |
|
455 |
} |
||
456 |
|||
457 |
✓✓ | 171609 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
458 |
{ |
||
459 |
170904 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
460 |
170904 |
alpha[3] = *(getalpha + (yy + 1) * pixelmap -> gx_pixelmap_width); |
|
461 |
} |
||
462 |
} |
||
463 |
✓✓ | 524517 |
else if (yy == -1) |
464 |
{ |
||
465 |
/* handle top edge. */ |
||
466 |
138878 |
c = *(get + xx); |
|
467 |
138878 |
alpha[2] = *(getalpha + xx); |
|
468 |
|||
469 |
✓✓ | 138878 |
if (xx < pixelmap -> gx_pixelmap_width - 1) |
470 |
{ |
||
471 |
138166 |
d = *(get + xx + 1); |
|
472 |
138166 |
alpha[3] = *(getalpha + xx + 1); |
|
473 |
} |
||
474 |
} |
||
475 |
✓✓ | 385639 |
else if (xx == pixelmap -> gx_pixelmap_width - 1) |
476 |
{ |
||
477 |
/* handle right edget. */ |
||
478 |
208567 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
479 |
208567 |
alpha[0] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx); |
|
480 |
|||
481 |
✓✓ | 208567 |
if (yy < pixelmap -> gx_pixelmap_height - 1) |
482 |
{ |
||
483 |
206837 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
484 |
206837 |
alpha[2] = *(getalpha + (yy + 1) * pixelmap -> gx_pixelmap_width + xx); |
|
485 |
} |
||
486 |
} |
||
487 |
else |
||
488 |
{ |
||
489 |
/* handle bottom edge. */ |
||
490 |
177072 |
a = *(get + yy * pixelmap -> gx_pixelmap_width + xx); |
|
491 |
177072 |
alpha[0] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx); |
|
492 |
|||
493 |
177072 |
b = *(get + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
494 |
177072 |
alpha[1] = *(getalpha + yy * pixelmap -> gx_pixelmap_width + xx + 1); |
|
495 |
} |
||
496 |
|||
497 |
✓✓ | 696126 |
if (!a) |
498 |
{ |
||
499 |
310895 |
alpha[0] = 0; |
|
500 |
} |
||
501 |
|||
502 |
✓✓ | 696126 |
if (!b) |
503 |
{ |
||
504 |
348068 |
alpha[1] = 0; |
|
505 |
} |
||
506 |
|||
507 |
✓✓ | 696126 |
if (!c) |
508 |
{ |
||
509 |
351019 |
alpha[2] = 0; |
|
510 |
} |
||
511 |
|||
512 |
✓✓ | 696126 |
if (!d) |
513 |
{ |
||
514 |
387364 |
alpha[3] = 0; |
|
515 |
} |
||
516 |
} |
||
517 |
|||
518 |
37174803 |
red = (USHORT)((REDVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
519 |
37174803 |
REDVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
520 |
37174803 |
REDVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
521 |
37174803 |
REDVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
522 |
|||
523 |
37174803 |
green = (USHORT)((GREENVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
524 |
37174803 |
GREENVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
525 |
37174803 |
GREENVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
526 |
37174803 |
GREENVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
527 |
|||
528 |
37174803 |
blue = (USHORT)((BLUEVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
529 |
37174803 |
BLUEVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
530 |
37174803 |
BLUEVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
531 |
37174803 |
BLUEVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
532 |
|||
533 |
37174803 |
alpha[0] = (USHORT)((alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
534 |
37174803 |
alpha[1] * xdiff * (256 - ydiff) + |
|
535 |
37174803 |
alpha[2] * ydiff * (256 - xdiff) + |
|
536 |
37174803 |
alpha[3] * xdiff * ydiff) >> 16); |
|
537 |
|||
538 |
✓✓ | 37174803 |
if (alpha[0]) |
539 |
{ |
||
540 |
24546792 |
red /= alpha[0]; |
|
541 |
24546792 |
green /= alpha[0]; |
|
542 |
24546792 |
blue /= alpha[0]; |
|
543 |
} |
||
544 |
|||
545 |
37174803 |
red = red > 31 ? 31 : red; |
|
546 |
37174803 |
green = green > 63 ? 63 : green; |
|
547 |
37174803 |
blue = blue > 31 ? 31 : blue; |
|
548 |
37174803 |
alpha[0] = alpha[0] > 255 ? 255 : alpha[0]; |
|
549 |
|||
550 |
37174803 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR(red, green, blue), (GX_UBYTE)alpha[0]); |
|
551 |
} |
||
552 |
} |
||
553 |
} |
||
554 |
} |
||
555 |
|||
556 |
/**************************************************************************/ |
||
557 |
/* */ |
||
558 |
/* FUNCTION RELEASE */ |
||
559 |
/* */ |
||
560 |
/* _gx_display_driver_16bpp_pixelmap_simple_rotate PORTABLE C */ |
||
561 |
/* 6.3.0 */ |
||
562 |
/* AUTHOR */ |
||
563 |
/* */ |
||
564 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
565 |
/* */ |
||
566 |
/* DESCRIPTION */ |
||
567 |
/* */ |
||
568 |
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
||
569 |
/* rotation. */ |
||
570 |
/* */ |
||
571 |
/* INPUT */ |
||
572 |
/* */ |
||
573 |
/* context Drawing context */ |
||
574 |
/* xpos x-coord of top-left draw point*/ |
||
575 |
/* ypos y-coord of top-left draw point*/ |
||
576 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
577 |
/* angle The angle to rotate */ |
||
578 |
/* cx x-coord of rotate center */ |
||
579 |
/* cy y-coord of rotate center */ |
||
580 |
/* */ |
||
581 |
/* OUTPUT */ |
||
582 |
/* */ |
||
583 |
/* status Completion status */ |
||
584 |
/* */ |
||
585 |
/* CALLS */ |
||
586 |
/* */ |
||
587 |
/* None */ |
||
588 |
/* */ |
||
589 |
/* CALLED BY */ |
||
590 |
/* */ |
||
591 |
/* GUIX Internal Code */ |
||
592 |
/* */ |
||
593 |
/**************************************************************************/ |
||
594 |
16 |
VOID _gx_display_driver_16bpp_pixelmap_simple_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
595 |
INT angle, INT cx, INT cy) |
||
596 |
{ |
||
597 |
USHORT *putrow; |
||
598 |
USHORT *put; |
||
599 |
USHORT *get; |
||
600 |
INT width; |
||
601 |
INT height; |
||
602 |
INT x; |
||
603 |
INT y; |
||
604 |
GX_RECTANGLE *clip; |
||
605 |
INT newxpos; |
||
606 |
INT newypos; |
||
607 |
|||
608 |
16 |
clip = context -> gx_draw_context_clip; |
|
609 |
|||
610 |
16 |
putrow = (USHORT *)context -> gx_draw_context_memory; |
|
611 |
|||
612 |
16 |
GX_CALCULATE_PUTROW(putrow, clip -> gx_rectangle_left, clip -> gx_rectangle_top, context); |
|
613 |
|||
614 |
✓✓ | 16 |
if (angle == 90) |
615 |
{ |
||
616 |
6 |
width = pixelmap -> gx_pixelmap_height; |
|
617 |
6 |
height = pixelmap -> gx_pixelmap_width; |
|
618 |
|||
619 |
6 |
newxpos = xpos + cx - (width - 1 - cy); |
|
620 |
6 |
newypos = ypos + cy - cx; |
|
621 |
|||
622 |
✓✓ | 1422 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
623 |
{ |
||
624 |
1416 |
put = putrow; |
|
625 |
|||
626 |
✓✓ | 179832 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
627 |
{ |
||
628 |
178416 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
629 |
178416 |
get += (width - 1 - x) * height; |
|
630 |
178416 |
get += y; |
|
631 |
|||
632 |
178416 |
*put++ = *get; |
|
633 |
} |
||
634 |
|||
635 |
1416 |
putrow += context -> gx_draw_context_pitch; |
|
636 |
} |
||
637 |
} |
||
638 |
✓✓ | 10 |
else if (angle == 180) |
639 |
{ |
||
640 |
|||
641 |
5 |
width = pixelmap -> gx_pixelmap_width; |
|
642 |
5 |
height = pixelmap -> gx_pixelmap_height; |
|
643 |
|||
644 |
5 |
newxpos = xpos + cx - (width - 1 - cx); |
|
645 |
5 |
newypos = ypos + cy - (height - 1 - cy); |
|
646 |
|||
647 |
✓✓ | 593 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
648 |
{ |
||
649 |
588 |
put = putrow; |
|
650 |
✓✓ | 127638 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
651 |
{ |
||
652 |
127050 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
653 |
127050 |
get += (height - 1 - y) * width; |
|
654 |
127050 |
get += width - 1 - x; |
|
655 |
|||
656 |
127050 |
*put++ = *get; |
|
657 |
} |
||
658 |
|||
659 |
588 |
putrow += context -> gx_draw_context_pitch; |
|
660 |
} |
||
661 |
} |
||
662 |
else |
||
663 |
{ |
||
664 |
5 |
height = pixelmap -> gx_pixelmap_width; |
|
665 |
|||
666 |
5 |
newxpos = xpos + cx - cy; |
|
667 |
5 |
newypos = ypos + cx - (height - 1 - cy); |
|
668 |
|||
669 |
✓✓ | 935 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
670 |
{ |
||
671 |
930 |
put = putrow; |
|
672 |
|||
673 |
✓✓ | 118110 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
674 |
{ |
||
675 |
117180 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
676 |
117180 |
get += x * height; |
|
677 |
117180 |
get += height - 1 - y; |
|
678 |
|||
679 |
117180 |
*put++ = *get; |
|
680 |
} |
||
681 |
|||
682 |
930 |
putrow += context -> gx_draw_context_pitch; |
|
683 |
} |
||
684 |
} |
||
685 |
16 |
} |
|
686 |
|||
687 |
/**************************************************************************/ |
||
688 |
/* */ |
||
689 |
/* FUNCTION RELEASE */ |
||
690 |
/* */ |
||
691 |
/* _gx_display_driver_16bpp_pixelmap_simple_alpha_rotate */ |
||
692 |
/* PORTABLE C */ |
||
693 |
/* 6.1.7 */ |
||
694 |
/* AUTHOR */ |
||
695 |
/* */ |
||
696 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
697 |
/* */ |
||
698 |
/* DESCRIPTION */ |
||
699 |
/* */ |
||
700 |
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
||
701 |
/* rotation with alpha channel. */ |
||
702 |
/* */ |
||
703 |
/* INPUT */ |
||
704 |
/* */ |
||
705 |
/* context Drawing context */ |
||
706 |
/* xpos x-coord of top-left draw point*/ |
||
707 |
/* ypos y-coord of top-left draw point*/ |
||
708 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
709 |
/* angle The angle to rotate */ |
||
710 |
/* cx x-coord of rotate center */ |
||
711 |
/* cy y-coord of rotate center */ |
||
712 |
/* */ |
||
713 |
/* OUTPUT */ |
||
714 |
/* */ |
||
715 |
/* status Completion status */ |
||
716 |
/* */ |
||
717 |
/* CALLS */ |
||
718 |
/* */ |
||
719 |
/* [gx_display_driver_pixel_blend] Display driver basic pixel */ |
||
720 |
/* blend function */ |
||
721 |
/* */ |
||
722 |
/* CALLED BY */ |
||
723 |
/* */ |
||
724 |
/* GUIX Internal Code */ |
||
725 |
/* */ |
||
726 |
/**************************************************************************/ |
||
727 |
25 |
VOID _gx_display_driver_16bpp_pixelmap_simple_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
728 |
INT angle, INT cx, INT cy) |
||
729 |
{ |
||
730 |
USHORT *get; |
||
731 |
GX_UBYTE *getalpha; |
||
732 |
INT width; |
||
733 |
INT height; |
||
734 |
INT x; |
||
735 |
INT y; |
||
736 |
GX_RECTANGLE *clip; |
||
737 |
INT newxpos; |
||
738 |
INT newypos; |
||
739 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
740 |
|||
741 |
25 |
clip = context -> gx_draw_context_clip; |
|
742 |
25 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
|
743 |
|||
744 |
✓✓ | 25 |
if (GX_NULL == blend_func) |
745 |
{ |
||
746 |
1 |
return; |
|
747 |
} |
||
748 |
|||
749 |
✓✓ | 24 |
if (angle == 90) |
750 |
{ |
||
751 |
8 |
width = pixelmap -> gx_pixelmap_height; |
|
752 |
8 |
height = pixelmap -> gx_pixelmap_width; |
|
753 |
|||
754 |
8 |
newxpos = xpos + cx - (width - 1 - cy); |
|
755 |
8 |
newypos = ypos + cy - cx; |
|
756 |
|||
757 |
✓✓ | 1366 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
758 |
{ |
||
759 |
✓✓ | 277677 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
760 |
{ |
||
761 |
276319 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
762 |
276319 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
763 |
276319 |
get += (width - 1 - x) * height; |
|
764 |
276319 |
get += y; |
|
765 |
276319 |
getalpha += (width - 1 - x) * height; |
|
766 |
276319 |
getalpha += y; |
|
767 |
276319 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
768 |
} |
||
769 |
} |
||
770 |
} |
||
771 |
✓✓ | 16 |
else if (angle == 180) |
772 |
{ |
||
773 |
|||
774 |
8 |
width = pixelmap -> gx_pixelmap_width; |
|
775 |
8 |
height = pixelmap -> gx_pixelmap_height; |
|
776 |
|||
777 |
8 |
newxpos = xpos + cx - (width - 1 - cx); |
|
778 |
8 |
newypos = ypos + cy - (height - 1 - cy); |
|
779 |
|||
780 |
|||
781 |
✓✓ | 1216 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
782 |
{ |
||
783 |
✓✓ | 225777 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
784 |
{ |
||
785 |
224569 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
786 |
224569 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
787 |
224569 |
get += (height - 1 - y) * width; |
|
788 |
224569 |
get += width - 1 - x; |
|
789 |
224569 |
getalpha += (height - 1 - y) * width; |
|
790 |
224569 |
getalpha += width - 1 - x; |
|
791 |
|||
792 |
224569 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
793 |
} |
||
794 |
} |
||
795 |
} |
||
796 |
else |
||
797 |
{ |
||
798 |
8 |
height = pixelmap -> gx_pixelmap_width; |
|
799 |
|||
800 |
8 |
newxpos = xpos + cx - cy; |
|
801 |
8 |
newypos = ypos + cx - (height - 1 - cy); |
|
802 |
|||
803 |
✓✓ | 1031 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
804 |
{ |
||
805 |
✓✓ | 222274 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
806 |
{ |
||
807 |
221251 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
808 |
221251 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
809 |
221251 |
get += x * height; |
|
810 |
221251 |
get += height - 1 - y; |
|
811 |
221251 |
getalpha += x * height; |
|
812 |
221251 |
getalpha += height - 1 - y; |
|
813 |
|||
814 |
221251 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
815 |
} |
||
816 |
} |
||
817 |
} |
||
818 |
} |
||
819 |
|||
820 |
/**************************************************************************/ |
||
821 |
/* */ |
||
822 |
/* FUNCTION RELEASE */ |
||
823 |
/* */ |
||
824 |
/* _gx_display_driver_16bpp_pixelmap_rotate PORTABLE C */ |
||
825 |
/* 6.1 */ |
||
826 |
/* AUTHOR */ |
||
827 |
/* */ |
||
828 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
829 |
/* */ |
||
830 |
/* DESCRIPTION */ |
||
831 |
/* */ |
||
832 |
/* This service rotate a pixelmap directly to canvas memory. */ |
||
833 |
/* */ |
||
834 |
/* INPUT */ |
||
835 |
/* */ |
||
836 |
/* context Drawing context */ |
||
837 |
/* xpos x-coord of top-left draw point*/ |
||
838 |
/* ypos y-coord of top-left draw point*/ |
||
839 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
840 |
/* angle The angle to rotate */ |
||
841 |
/* rot_cx x-coord of rotating center. */ |
||
842 |
/* rot_cy y-coord of rotationg center. */ |
||
843 |
/* */ |
||
844 |
/* OUTPUT */ |
||
845 |
/* */ |
||
846 |
/* status Completion status */ |
||
847 |
/* */ |
||
848 |
/* CALLS */ |
||
849 |
/* */ |
||
850 |
/* _gx_display_driver_16bpp_pixelmap_simple_alpha_rotate */ |
||
851 |
/* Real rotate functin */ |
||
852 |
/* _gx_display_driver_16bpp_pixelmap_simple_rotate */ |
||
853 |
/* Real rotate functin */ |
||
854 |
/* _gx_display_driver_565rgb_pixelmap_alpha_rotate */ |
||
855 |
/* Real rotate functin */ |
||
856 |
/* _gx_display_driver_565rgb_pixelmap_raw_rotate */ |
||
857 |
/* Real rotate functin */ |
||
858 |
/* */ |
||
859 |
/* CALLED BY */ |
||
860 |
/* */ |
||
861 |
/* Application Code */ |
||
862 |
/* GUIX Internal Code */ |
||
863 |
/* */ |
||
864 |
/**************************************************************************/ |
||
865 |
1845 |
VOID _gx_display_driver_16bpp_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
866 |
INT angle, INT rot_cx, INT rot_cy) |
||
867 |
{ |
||
868 |
✓✓ | 1845 |
switch (pixelmap -> gx_pixelmap_format) |
869 |
{ |
||
870 |
1844 |
case GX_COLOR_FORMAT_565RGB: |
|
871 |
case GX_COLOR_FORMAT_565BGR: |
||
872 |
✓✓ | 1844 |
if (angle % 90 == 0) |
873 |
{ |
||
874 |
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */ |
||
875 |
✓✓ | 29 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
876 |
{ |
||
877 |
19 |
_gx_display_driver_16bpp_pixelmap_simple_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
878 |
} |
||
879 |
else |
||
880 |
{ |
||
881 |
10 |
_gx_display_driver_16bpp_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
882 |
} |
||
883 |
29 |
break; |
|
884 |
} |
||
885 |
else |
||
886 |
{ |
||
887 |
/* General rotation case. */ |
||
888 |
✓✓ | 1815 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
889 |
{ |
||
890 |
/* alpha, no compression */ |
||
891 |
1093 |
_gx_display_driver_565rgb_pixelmap_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
892 |
} |
||
893 |
else |
||
894 |
{ |
||
895 |
|||
896 |
/* no compression or alpha */ |
||
897 |
722 |
_gx_display_driver_565rgb_pixelmap_raw_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
898 |
} |
||
899 |
1815 |
break; |
|
900 |
} |
||
901 |
} |
||
902 |
1845 |
return; |
|
903 |
} |
||
904 |
| Generated by: GCOVR (Version 4.1) |