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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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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_rotated_pixelmap_raw_rotate */ |
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45 |
/* PORTABLE C */ |
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46 |
/* 6.1.3 */ |
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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 |
/* RELEASE HISTORY */ |
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82 |
/* */ |
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83 |
/* DATE NAME DESCRIPTION */ |
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84 |
/* */ |
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85 |
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
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86 |
/* */ |
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87 |
/**************************************************************************/ |
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88 |
785 |
static VOID _gx_display_driver_565rgb_rotated_pixelmap_raw_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
89 |
INT angle, INT cx, INT cy) |
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90 |
{ |
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91 |
USHORT *get; |
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92 |
INT srcxres; |
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93 |
INT srcyres; |
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94 |
INT cosv; |
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95 |
INT sinv; |
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96 |
INT alpha; |
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97 |
USHORT red; |
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98 |
USHORT green; |
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99 |
USHORT blue; |
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100 |
INT idxminx; |
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101 |
INT idxmaxx; |
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102 |
INT idxmaxy; |
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103 |
INT *mx; |
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104 |
INT *my; |
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105 |
INT xres; |
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106 |
INT yres; |
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107 |
INT x; |
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108 |
INT y; |
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109 |
INT xx; |
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110 |
INT yy; |
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111 |
USHORT a; |
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112 |
USHORT b; |
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113 |
USHORT c; |
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114 |
USHORT d; |
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115 |
INT xdiff; |
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116 |
INT ydiff; |
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117 |
INT newxpos; |
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118 |
INT newypos; |
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119 |
GX_RECTANGLE *clip; |
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120 |
GX_RECTANGLE rotated_clip; |
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121 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
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122 |
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123 |
785 |
clip = context -> gx_draw_context_clip; |
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124 |
785 |
blend_func = _gx_display_driver_565rgb_pixel_blend; |
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125 |
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126 |
785 |
mx = _gx_system_scratchpad; |
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127 |
785 |
my = mx + 4; |
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128 |
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129 |
785 |
mx[0] = mx[3] = -1; |
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130 |
785 |
mx[1] = mx[2] = 1; |
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131 |
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132 |
785 |
my[0] = my[1] = 1; |
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133 |
785 |
my[2] = my[3] = -1; |
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134 |
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135 |
785 |
idxminx = (angle / 90) & 0x3; |
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136 |
785 |
idxmaxx = (idxminx + 2) & 0x3; |
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137 |
785 |
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 |
785 |
srcxres = pixelmap -> gx_pixelmap_height >> 1; |
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141 |
785 |
srcyres = pixelmap -> gx_pixelmap_width >> 1; |
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142 |
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143 |
785 |
GX_SWAP_VALS(xpos, ypos); |
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144 |
785 |
GX_SWAP_VALS(cx, cy); |
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145 |
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146 |
✓✓ | 785 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
147 |
{ |
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148 |
392 |
srcyres = pixelmap -> gx_pixelmap_width - 1 - srcyres; |
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149 |
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150 |
392 |
ypos = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width; |
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151 |
392 |
cy = pixelmap -> gx_pixelmap_width - cy - 1; |
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152 |
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153 |
392 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
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154 |
392 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
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155 |
392 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_right); |
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156 |
392 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_left); |
|
157 |
} |
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158 |
else |
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159 |
{ |
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160 |
393 |
srcxres = pixelmap -> gx_pixelmap_height - 1 - srcxres; |
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161 |
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162 |
393 |
xpos = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height; |
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163 |
393 |
cx = pixelmap -> gx_pixelmap_height - cx - 1; |
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164 |
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165 |
393 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_bottom); |
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166 |
393 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_top); |
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167 |
393 |
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
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168 |
393 |
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
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169 |
} |
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170 |
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171 |
785 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
172 |
785 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
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173 |
|||
174 |
785 |
xres = GX_FIXED_VAL_TO_INT(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv); |
|
175 |
785 |
yres = GX_FIXED_VAL_TO_INT(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv); |
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176 |
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177 |
/* Calculate the new rotation axis. */ |
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178 |
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179 |
785 |
x = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv); |
|
180 |
785 |
y = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv); |
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181 |
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182 |
785 |
x += xres; |
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183 |
785 |
y += yres; |
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184 |
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185 |
785 |
newxpos = xpos + cx - x; |
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186 |
785 |
newypos = ypos + cy - y; |
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187 |
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188 |
/* Loop through the destination's pixels. */ |
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189 |
✓✓ | 186843 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
190 |
{ |
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191 |
✓✓ | 43780862 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
192 |
{ |
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193 |
43594804 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
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194 |
43594804 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
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195 |
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196 |
43594804 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
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197 |
43594804 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
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198 |
|||
199 |
43594804 |
xx = GX_FIXED_VAL_TO_INT(xx) + srcxres; |
|
200 |
43594804 |
yy = GX_FIXED_VAL_TO_INT(yy) + srcyres; |
|
201 |
|||
202 |
✓✓✓✓ ✓✓ |
43594804 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_height) && |
203 |
✓✓ | 26285803 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_width)) |
204 |
{ |
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205 |
✓✓✓✓ ✓✓ |
24133623 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_height - 1) && |
206 |
✓✓ | 23655372 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_width - 1)) |
207 |
{ |
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208 |
23556951 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
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209 |
23556951 |
get += yy * pixelmap -> gx_pixelmap_height; |
|
210 |
23556951 |
get += xx; |
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211 |
|||
212 |
23556951 |
a = *get; |
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213 |
23556951 |
b = *(get + 1); |
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214 |
23556951 |
c = *(get + pixelmap -> gx_pixelmap_height); |
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215 |
23556951 |
d = *(get + pixelmap -> gx_pixelmap_height + 1); |
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216 |
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217 |
23556951 |
alpha = 0xff; |
|
218 |
} |
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219 |
else |
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220 |
{ |
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221 |
576672 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
222 |
|||
223 |
576672 |
a = 0; |
|
224 |
576672 |
b = 0; |
|
225 |
576672 |
c = 0; |
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226 |
576672 |
d = 0; |
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227 |
576672 |
alpha = 0; |
|
228 |
|||
229 |
✓✓ | 576672 |
if (xx == -1) |
230 |
{ |
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231 |
/* handle left edge. */ |
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232 |
✓✓ | 189958 |
if (yy >= 0) |
233 |
{ |
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234 |
189179 |
b = *(get + yy * pixelmap -> gx_pixelmap_height); |
|
235 |
189179 |
alpha += xdiff * (256 - ydiff); |
|
236 |
} |
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237 |
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238 |
✓✓ | 189958 |
if (yy < pixelmap -> gx_pixelmap_width - 1) |
239 |
{ |
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240 |
189193 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_height); |
|
241 |
189193 |
alpha += xdiff * ydiff; |
|
242 |
} |
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243 |
} |
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244 |
✓✓ | 386714 |
else if (yy == -1) |
245 |
{ |
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246 |
/* handle top edge. */ |
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247 |
99087 |
c = *(get + xx); |
|
248 |
99087 |
alpha += ydiff * (256 - xdiff); |
|
249 |
|||
250 |
✓✓ | 99087 |
if (xx < pixelmap -> gx_pixelmap_height - 1) |
251 |
{ |
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252 |
98339 |
d = *(get + xx + 1); |
|
253 |
98339 |
alpha += xdiff * ydiff; |
|
254 |
} |
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255 |
} |
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256 |
✓✓ | 287627 |
else if (xx == pixelmap -> gx_pixelmap_height - 1) |
257 |
{ |
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258 |
/* handle right edge. */ |
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259 |
189206 |
a = *(get + yy * pixelmap -> gx_pixelmap_height + xx); |
|
260 |
189206 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
261 |
|||
262 |
✓✓ | 189206 |
if (yy < pixelmap -> gx_pixelmap_width - 1) |
263 |
{ |
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264 |
188434 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_height + xx); |
|
265 |
188434 |
alpha += ydiff * (256 - xdiff); |
|
266 |
} |
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267 |
} |
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268 |
else |
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269 |
{ |
||
270 |
/* handle bottom edge. */ |
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271 |
98421 |
a = *(get + yy * pixelmap -> gx_pixelmap_height + xx); |
|
272 |
98421 |
alpha += (256 - xdiff) * (256 - ydiff); |
|
273 |
|||
274 |
98421 |
b = *(get + yy * pixelmap -> gx_pixelmap_height + xx + 1); |
|
275 |
98421 |
alpha += xdiff * (256 - ydiff); |
|
276 |
} |
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277 |
|||
278 |
576672 |
alpha >>= 8; |
|
279 |
} |
||
280 |
|||
281 |
24133623 |
red = (USHORT)((REDVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
282 |
24133623 |
REDVAL(b) * xdiff * (256 - ydiff) + |
|
283 |
24133623 |
REDVAL(c) * ydiff * (256 - xdiff) + |
|
284 |
24133623 |
REDVAL(d) * xdiff * ydiff) >> 16); |
|
285 |
|||
286 |
24133623 |
green = (USHORT)((GREENVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
287 |
24133623 |
GREENVAL(b) * xdiff * (256 - ydiff) + |
|
288 |
24133623 |
GREENVAL(c) * ydiff * (256 - xdiff) + |
|
289 |
24133623 |
GREENVAL(d) * xdiff * ydiff) >> 16); |
|
290 |
|||
291 |
24133623 |
blue = (USHORT)((BLUEVAL(a) * (256 - xdiff) * (256 - ydiff) + |
|
292 |
24133623 |
BLUEVAL(b) * xdiff * (256 - ydiff) + |
|
293 |
24133623 |
BLUEVAL(c) * ydiff * (256 - xdiff) + |
|
294 |
24133623 |
BLUEVAL(d) * xdiff * ydiff) >> 16); |
|
295 |
|||
296 |
✓✓✓✓ |
24133623 |
if ((alpha > 0) && (alpha < 0xff)) |
297 |
{ |
||
298 |
571642 |
red = (USHORT)((red << 8) / alpha); |
|
299 |
571642 |
green = (USHORT)((green << 8) / alpha); |
|
300 |
571642 |
blue = (USHORT)((blue << 8) / alpha); |
|
301 |
} |
||
302 |
|||
303 |
24133623 |
red = red > 31 ? 31 : red; |
|
304 |
24133623 |
green = green > 63 ? 63 : green; |
|
305 |
24133623 |
blue = blue > 31 ? 31 : blue; |
|
306 |
24133623 |
alpha = alpha > 255 ? 255 : alpha; |
|
307 |
|||
308 |
24133623 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR(red, green, blue), (GX_UBYTE)alpha); |
|
309 |
} |
||
310 |
} |
||
311 |
} |
||
312 |
785 |
} |
|
313 |
|||
314 |
/**************************************************************************/ |
||
315 |
/* */ |
||
316 |
/* FUNCTION RELEASE */ |
||
317 |
/* */ |
||
318 |
/* _gx_display_driver_565rgb_rotated_pixelmap_alpha_rotate */ |
||
319 |
/* PORTABLE C */ |
||
320 |
/* 6.1.3 */ |
||
321 |
/* AUTHOR */ |
||
322 |
/* */ |
||
323 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
324 |
/* */ |
||
325 |
/* DESCRIPTION */ |
||
326 |
/* */ |
||
327 |
/* Internal helper function that rotate an uncompressed pixelmap */ |
||
328 |
/* with alpha. */ |
||
329 |
/* */ |
||
330 |
/* INPUT */ |
||
331 |
/* */ |
||
332 |
/* context Drawing context */ |
||
333 |
/* xpos x-coord of top-left draw point*/ |
||
334 |
/* ypos y-coord of top-left draw point*/ |
||
335 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
336 |
/* angle The angle to rotate */ |
||
337 |
/* cx x-coord of rotate center */ |
||
338 |
/* cy y-coord of rotate center */ |
||
339 |
/* */ |
||
340 |
/* OUTPUT */ |
||
341 |
/* */ |
||
342 |
/* status Completion status */ |
||
343 |
/* */ |
||
344 |
/* CALLS */ |
||
345 |
/* */ |
||
346 |
/* _gx_utility_math_cos Compute the cosine value */ |
||
347 |
/* _gx_utility_math_sin Compute the sine value */ |
||
348 |
/* [gx_display_driver_pixel_blend] Display driver basic pixel */ |
||
349 |
/* blend function */ |
||
350 |
/* */ |
||
351 |
/* CALLED BY */ |
||
352 |
/* */ |
||
353 |
/* GUIX Internal Code */ |
||
354 |
/* */ |
||
355 |
/* RELEASE HISTORY */ |
||
356 |
/* */ |
||
357 |
/* DATE NAME DESCRIPTION */ |
||
358 |
/* */ |
||
359 |
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
||
360 |
/* */ |
||
361 |
/**************************************************************************/ |
||
362 |
785 |
static VOID _gx_display_driver_565rgb_rotated_pixelmap_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
363 |
INT angle, INT cx, INT cy) |
||
364 |
{ |
||
365 |
USHORT *get; |
||
366 |
GX_UBYTE *getalpha; |
||
367 |
INT srcxres; |
||
368 |
INT srcyres; |
||
369 |
INT cosv; |
||
370 |
INT sinv; |
||
371 |
USHORT red; |
||
372 |
USHORT green; |
||
373 |
USHORT blue; |
||
374 |
INT idxminx; |
||
375 |
INT idxmaxx; |
||
376 |
INT idxmaxy; |
||
377 |
INT *mx; |
||
378 |
INT *my; |
||
379 |
INT xres; |
||
380 |
INT yres; |
||
381 |
INT x; |
||
382 |
INT y; |
||
383 |
INT xx; |
||
384 |
INT yy; |
||
385 |
USHORT a; |
||
386 |
USHORT b; |
||
387 |
USHORT c; |
||
388 |
USHORT d; |
||
389 |
USHORT alpha[4]; |
||
390 |
GX_FIXED_VAL xdiff; |
||
391 |
GX_FIXED_VAL ydiff; |
||
392 |
INT newxpos; |
||
393 |
INT newypos; |
||
394 |
GX_RECTANGLE *clip; |
||
395 |
GX_RECTANGLE rotated_clip; |
||
396 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
397 |
|||
398 |
785 |
clip = context -> gx_draw_context_clip; |
|
399 |
785 |
blend_func = _gx_display_driver_565rgb_pixel_blend; |
|
400 |
|||
401 |
785 |
mx = _gx_system_scratchpad; |
|
402 |
785 |
my = mx + 4; |
|
403 |
|||
404 |
785 |
mx[0] = mx[3] = -1; |
|
405 |
785 |
mx[1] = mx[2] = 1; |
|
406 |
|||
407 |
785 |
my[0] = my[1] = 1; |
|
408 |
785 |
my[2] = my[3] = -1; |
|
409 |
|||
410 |
785 |
idxminx = (angle / 90) & 0x3; |
|
411 |
785 |
idxmaxx = (idxminx + 2) & 0x3; |
|
412 |
785 |
idxmaxy = (idxminx + 1) & 0x3; |
|
413 |
|||
414 |
/* Calculate the source x and y center. */ |
||
415 |
785 |
srcxres = pixelmap -> gx_pixelmap_height >> 1; |
|
416 |
785 |
srcyres = pixelmap -> gx_pixelmap_width >> 1; |
|
417 |
|||
418 |
785 |
GX_SWAP_VALS(xpos, ypos); |
|
419 |
785 |
GX_SWAP_VALS(cx, cy); |
|
420 |
|||
421 |
✓✓ | 785 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
422 |
{ |
||
423 |
392 |
srcyres = pixelmap -> gx_pixelmap_width - 1 - srcyres; |
|
424 |
|||
425 |
392 |
ypos = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width; |
|
426 |
392 |
cy = pixelmap -> gx_pixelmap_width - cy - 1; |
|
427 |
|||
428 |
392 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
|
429 |
392 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
|
430 |
392 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_right); |
|
431 |
392 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_left); |
|
432 |
} |
||
433 |
else |
||
434 |
{ |
||
435 |
393 |
srcxres = pixelmap -> gx_pixelmap_height - 1 - srcxres; |
|
436 |
|||
437 |
393 |
xpos = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height; |
|
438 |
393 |
cx = pixelmap -> gx_pixelmap_height - cx - 1; |
|
439 |
|||
440 |
393 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_bottom); |
|
441 |
393 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_top); |
|
442 |
393 |
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
|
443 |
393 |
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
|
444 |
} |
||
445 |
|||
446 |
785 |
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
|
447 |
785 |
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
|
448 |
|||
449 |
785 |
xres = GX_FIXED_VAL_TO_INT(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv); |
|
450 |
785 |
yres = GX_FIXED_VAL_TO_INT(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv); |
|
451 |
|||
452 |
785 |
x = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv); |
|
453 |
785 |
y = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv); |
|
454 |
|||
455 |
785 |
x += xres; |
|
456 |
785 |
y += yres; |
|
457 |
|||
458 |
785 |
newxpos = xpos + cx - x; |
|
459 |
785 |
newypos = ypos + cy - y; |
|
460 |
|||
461 |
/* Loop through the source's pixels. */ |
||
462 |
✓✓ | 233745 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
463 |
{ |
||
464 |
✓✓ | 69661152 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
465 |
{ |
||
466 |
69428192 |
xx = (x - xres) * cosv + (y - yres) * sinv; |
|
467 |
69428192 |
yy = (y - yres) * cosv - (x - xres) * sinv; |
|
468 |
|||
469 |
69428192 |
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff; |
|
470 |
69428192 |
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff; |
|
471 |
|||
472 |
69428192 |
xx = GX_FIXED_VAL_TO_INT(xx); |
|
473 |
69428192 |
yy = GX_FIXED_VAL_TO_INT(yy); |
|
474 |
|||
475 |
69428192 |
xx += srcxres; |
|
476 |
69428192 |
yy += srcyres; |
|
477 |
|||
478 |
✓✓✓✓ ✓✓ |
69428192 |
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_height) && |
479 |
✓✓ | 50542313 |
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_width)) |
480 |
{ |
||
481 |
✓✓✓✓ ✓✓ |
41416914 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_height - 1) && \ |
482 |
✓✓ | 40900917 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_width - 1)) |
483 |
{ |
||
484 |
40692113 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
485 |
40692113 |
get += yy * pixelmap -> gx_pixelmap_height; |
|
486 |
40692113 |
get += xx; |
|
487 |
|||
488 |
40692113 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
489 |
40692113 |
getalpha += yy * pixelmap -> gx_pixelmap_height; |
|
490 |
40692113 |
getalpha += xx; |
|
491 |
|||
492 |
40692113 |
a = *get; |
|
493 |
40692113 |
alpha[0] = *getalpha; |
|
494 |
|||
495 |
40692113 |
b = *(get + 1); |
|
496 |
40692113 |
alpha[1] = *(getalpha + 1); |
|
497 |
|||
498 |
40692113 |
c = *(get + pixelmap -> gx_pixelmap_height); |
|
499 |
40692113 |
alpha[2] = *(getalpha + pixelmap -> gx_pixelmap_height); |
|
500 |
|||
501 |
40692113 |
d = *(get + pixelmap -> gx_pixelmap_height + 1); |
|
502 |
40692113 |
alpha[3] = *(getalpha + pixelmap -> gx_pixelmap_height + 1); |
|
503 |
} |
||
504 |
else |
||
505 |
{ |
||
506 |
724801 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
507 |
724801 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
508 |
|||
509 |
724801 |
a = 0; |
|
510 |
724801 |
b = 0; |
|
511 |
724801 |
c = 0; |
|
512 |
724801 |
d = 0; |
|
513 |
|||
514 |
✓✓ | 724801 |
if (xx == -1) |
515 |
{ |
||
516 |
/* handle left edge. */ |
||
517 |
✓✓ | 153325 |
if (yy >= 0) |
518 |
{ |
||
519 |
152708 |
b = *(get + yy * pixelmap -> gx_pixelmap_height); |
|
520 |
152708 |
alpha[1] = *(getalpha + yy * pixelmap -> gx_pixelmap_height); |
|
521 |
} |
||
522 |
|||
523 |
✓✓ | 153325 |
if (yy < pixelmap -> gx_pixelmap_width - 1) |
524 |
{ |
||
525 |
152700 |
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_height); |
|
526 |
152700 |
alpha[3] = *(getalpha + (yy + 1) * pixelmap -> gx_pixelmap_height); |
|
527 |
} |
||
528 |
} |
||
529 |
✓✓ | 571476 |
else if (yy == -1) |
530 |
{ |
||
531 |
/* handle top edge. */ |
||
532 |
209545 |
c = *(get + xx); |
|
533 |
209545 |
alpha[2] = *(getalpha + xx); |
|
534 |
|||
535 |
✓✓ | 209545 |
if (xx < pixelmap -> gx_pixelmap_height - 1) |
536 |
{ |
||
537 |
208928 |
d = *(get + xx + 1); |
|
538 |
208928 |
alpha[3] = *(getalpha + xx + 1); |
|
539 |
} |
||
540 |
} |
||
541 |
✓✓ | 361931 |
else if (xx == pixelmap -> gx_pixelmap_height - 1) |
542 |
{ |
||
543 |
/* handle right edget. */ |
||
544 |
153127 |
a = *(get + yy * pixelmap -> gx_pixelmap_height + xx); |
|
545 |
153127 |
alpha[0] = *(getalpha + yy * pixelmap -> gx_pixelmap_height + xx); |
|
546 |
|||
547 |
✓✓ | 153127 |
if (yy < pixelmap -> gx_pixelmap_width - 1) |
548 |
{ |
||
549 |
152519 |
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_height + xx); |
|
550 |
152519 |
alpha[2] = *(getalpha + (yy + 1) * pixelmap -> gx_pixelmap_height + xx); |
|
551 |
} |
||
552 |
} |
||
553 |
else |
||
554 |
{ |
||
555 |
/* handle bottom edge. */ |
||
556 |
208804 |
a = *(get + yy * pixelmap -> gx_pixelmap_height + xx); |
|
557 |
208804 |
alpha[0] = *(getalpha + yy * pixelmap -> gx_pixelmap_height + xx); |
|
558 |
|||
559 |
208804 |
b = *(get + yy * pixelmap -> gx_pixelmap_height + xx + 1); |
|
560 |
208804 |
alpha[1] = *(getalpha + yy * pixelmap -> gx_pixelmap_height + xx + 1); |
|
561 |
} |
||
562 |
|||
563 |
✓✓ | 724801 |
if (!a) |
564 |
{ |
||
565 |
362870 |
alpha[0] = 0; |
|
566 |
} |
||
567 |
|||
568 |
✓✓ | 724801 |
if (!b) |
569 |
{ |
||
570 |
363289 |
alpha[1] = 0; |
|
571 |
} |
||
572 |
|||
573 |
✓✓ | 724801 |
if (!c) |
574 |
{ |
||
575 |
362737 |
alpha[2] = 0; |
|
576 |
} |
||
577 |
|||
578 |
✓✓ | 724801 |
if (!d) |
579 |
{ |
||
580 |
363173 |
alpha[3] = 0; |
|
581 |
} |
||
582 |
} |
||
583 |
|||
584 |
41416914 |
red = (USHORT)((REDVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
585 |
41416914 |
REDVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
586 |
41416914 |
REDVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
587 |
41416914 |
REDVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
588 |
|||
589 |
41416914 |
green = (USHORT)((GREENVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
590 |
41416914 |
GREENVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
591 |
41416914 |
GREENVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
592 |
41416914 |
GREENVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
593 |
|||
594 |
41416914 |
blue = (USHORT)((BLUEVAL(a) * alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
595 |
41416914 |
BLUEVAL(b) * alpha[1] * xdiff * (256 - ydiff) + |
|
596 |
41416914 |
BLUEVAL(c) * alpha[2] * ydiff * (256 - xdiff) + |
|
597 |
41416914 |
BLUEVAL(d) * alpha[3] * xdiff * ydiff) >> 16); |
|
598 |
|||
599 |
41416914 |
alpha[0] = (USHORT)((alpha[0] * (256 - xdiff) * (256 - ydiff) + |
|
600 |
41416914 |
alpha[1] * xdiff * (256 - ydiff) + |
|
601 |
41416914 |
alpha[2] * ydiff * (256 - xdiff) + |
|
602 |
41416914 |
alpha[3] * xdiff * ydiff) >> 16); |
|
603 |
|||
604 |
✓✓ | 41416914 |
if (alpha[0]) |
605 |
{ |
||
606 |
29437781 |
red /= alpha[0]; |
|
607 |
29437781 |
green /= alpha[0]; |
|
608 |
29437781 |
blue /= alpha[0]; |
|
609 |
} |
||
610 |
|||
611 |
41416914 |
red = red > 31 ? 31 : red; |
|
612 |
41416914 |
green = green > 63 ? 63 : green; |
|
613 |
41416914 |
blue = blue > 31 ? 31 : blue; |
|
614 |
41416914 |
alpha[0] = alpha[0] > 255 ? 255 : alpha[0]; |
|
615 |
|||
616 |
41416914 |
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR(red, green, blue), (GX_UBYTE)alpha[0]); |
|
617 |
} |
||
618 |
} |
||
619 |
} |
||
620 |
785 |
} |
|
621 |
|||
622 |
/**************************************************************************/ |
||
623 |
/* */ |
||
624 |
/* FUNCTION RELEASE */ |
||
625 |
/* */ |
||
626 |
/* _gx_display_driver_16bpp_rotated_pixelmap_simple_rotate */ |
||
627 |
/* PORTABLE C */ |
||
628 |
/* 6.1.3 */ |
||
629 |
/* AUTHOR */ |
||
630 |
/* */ |
||
631 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
632 |
/* */ |
||
633 |
/* DESCRIPTION */ |
||
634 |
/* */ |
||
635 |
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
||
636 |
/* rotation. */ |
||
637 |
/* */ |
||
638 |
/* INPUT */ |
||
639 |
/* */ |
||
640 |
/* context Drawing context */ |
||
641 |
/* xpos x-coord of top-left draw point*/ |
||
642 |
/* ypos y-coord of top-left draw point*/ |
||
643 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
644 |
/* angle The angle to rotate */ |
||
645 |
/* cx x-coord of rotate center */ |
||
646 |
/* cy y-coord of rotate center */ |
||
647 |
/* */ |
||
648 |
/* OUTPUT */ |
||
649 |
/* */ |
||
650 |
/* status Completion status */ |
||
651 |
/* */ |
||
652 |
/* CALLS */ |
||
653 |
/* */ |
||
654 |
/* None */ |
||
655 |
/* */ |
||
656 |
/* CALLED BY */ |
||
657 |
/* */ |
||
658 |
/* GUIX Internal Code */ |
||
659 |
/* */ |
||
660 |
/* RELEASE HISTORY */ |
||
661 |
/* */ |
||
662 |
/* DATE NAME DESCRIPTION */ |
||
663 |
/* */ |
||
664 |
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
||
665 |
/* */ |
||
666 |
/**************************************************************************/ |
||
667 |
6 |
static VOID _gx_display_driver_16bpp_rotated_pixelmap_simple_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
668 |
INT angle, INT cx, INT cy) |
||
669 |
{ |
||
670 |
USHORT *putrow; |
||
671 |
USHORT *put; |
||
672 |
USHORT *get; |
||
673 |
INT width; |
||
674 |
INT height; |
||
675 |
INT x; |
||
676 |
INT y; |
||
677 |
GX_RECTANGLE *clip; |
||
678 |
GX_RECTANGLE rotated_clip; |
||
679 |
INT newxpos; |
||
680 |
INT newypos; |
||
681 |
|||
682 |
6 |
clip = context -> gx_draw_context_clip; |
|
683 |
|||
684 |
6 |
GX_SWAP_VALS(xpos, ypos); |
|
685 |
6 |
GX_SWAP_VALS(cx, cy); |
|
686 |
|||
687 |
✓✓ | 6 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
688 |
{ |
||
689 |
3 |
ypos = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width; |
|
690 |
3 |
cy = pixelmap -> gx_pixelmap_width - cy - 1; |
|
691 |
|||
692 |
3 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
|
693 |
3 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
|
694 |
3 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_right); |
|
695 |
3 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_left); |
|
696 |
} |
||
697 |
else |
||
698 |
{ |
||
699 |
3 |
xpos = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height; |
|
700 |
3 |
cx = pixelmap -> gx_pixelmap_height - cx - 1; |
|
701 |
|||
702 |
3 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_bottom); |
|
703 |
3 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_top); |
|
704 |
3 |
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
|
705 |
3 |
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
|
706 |
} |
||
707 |
|||
708 |
✓✓ | 6 |
if (angle == 90) |
709 |
{ |
||
710 |
2 |
width = pixelmap -> gx_pixelmap_width; |
|
711 |
2 |
height = pixelmap -> gx_pixelmap_height; |
|
712 |
|||
713 |
2 |
newxpos = xpos + cx - (width - 1 - cy); |
|
714 |
2 |
newypos = ypos + cy - cx; |
|
715 |
|||
716 |
2 |
putrow = (USHORT *)context -> gx_draw_context_memory; |
|
717 |
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
|
718 |
2 |
putrow += rotated_clip.gx_rectangle_left; |
|
719 |
|||
720 |
✓✓ | 254 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
721 |
{ |
||
722 |
252 |
put = putrow; |
|
723 |
|||
724 |
✓✓ | 60732 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
725 |
{ |
||
726 |
60480 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
727 |
60480 |
get += (width - 1 - x) * height; |
|
728 |
60480 |
get += y; |
|
729 |
|||
730 |
60480 |
*put++ = *get; |
|
731 |
} |
||
732 |
|||
733 |
252 |
putrow += context -> gx_draw_context_pitch; |
|
734 |
} |
||
735 |
} |
||
736 |
✓✓ | 4 |
else if (angle == 180) |
737 |
{ |
||
738 |
|||
739 |
2 |
width = pixelmap -> gx_pixelmap_height; |
|
740 |
2 |
height = pixelmap -> gx_pixelmap_width; |
|
741 |
|||
742 |
2 |
newxpos = xpos + cx - (width - 1 - cx); |
|
743 |
2 |
newypos = ypos + cy - (height - 1 - cy); |
|
744 |
|||
745 |
2 |
putrow = (USHORT *)context -> gx_draw_context_memory; |
|
746 |
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
|
747 |
2 |
putrow += rotated_clip.gx_rectangle_left; |
|
748 |
|||
749 |
✓✓ | 482 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
750 |
{ |
||
751 |
480 |
put = putrow; |
|
752 |
✓✓ | 60960 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
753 |
{ |
||
754 |
60480 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
755 |
60480 |
get += (height - 1 - y) * width; |
|
756 |
60480 |
get += width - 1 - x; |
|
757 |
|||
758 |
60480 |
*put++ = *get; |
|
759 |
} |
||
760 |
|||
761 |
480 |
putrow += context -> gx_draw_context_pitch; |
|
762 |
} |
||
763 |
} |
||
764 |
else |
||
765 |
{ |
||
766 |
2 |
height = pixelmap -> gx_pixelmap_height; |
|
767 |
|||
768 |
2 |
newxpos = xpos + cx - cy; |
|
769 |
2 |
newypos = ypos + cx - (height - 1 - cy); |
|
770 |
|||
771 |
2 |
putrow = (USHORT *)context -> gx_draw_context_memory; |
|
772 |
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
|
773 |
2 |
putrow += rotated_clip.gx_rectangle_left; |
|
774 |
|||
775 |
✓✓ | 254 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
776 |
{ |
||
777 |
252 |
put = putrow; |
|
778 |
|||
779 |
✓✓ | 60732 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
780 |
{ |
||
781 |
60480 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
782 |
60480 |
get += x * height; |
|
783 |
60480 |
get += height - 1 - y; |
|
784 |
|||
785 |
60480 |
*put++ = *get; |
|
786 |
} |
||
787 |
|||
788 |
252 |
putrow += context -> gx_draw_context_pitch; |
|
789 |
} |
||
790 |
} |
||
791 |
6 |
} |
|
792 |
|||
793 |
/**************************************************************************/ |
||
794 |
/* */ |
||
795 |
/* FUNCTION RELEASE */ |
||
796 |
/* */ |
||
797 |
/* _gx_display_driver_565rgb_rotated_pixelmap_simple_alpha_rotate */ |
||
798 |
/* PORTABLE C */ |
||
799 |
/* 6.1.3 */ |
||
800 |
/* AUTHOR */ |
||
801 |
/* */ |
||
802 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
803 |
/* */ |
||
804 |
/* DESCRIPTION */ |
||
805 |
/* */ |
||
806 |
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
||
807 |
/* rotation with alpha channel. */ |
||
808 |
/* */ |
||
809 |
/* INPUT */ |
||
810 |
/* */ |
||
811 |
/* context Drawing context */ |
||
812 |
/* xpos x-coord of top-left draw point*/ |
||
813 |
/* ypos y-coord of top-left draw point*/ |
||
814 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
815 |
/* angle The angle to rotate */ |
||
816 |
/* cx x-coord of rotate center */ |
||
817 |
/* cy y-coord of rotate center */ |
||
818 |
/* */ |
||
819 |
/* OUTPUT */ |
||
820 |
/* */ |
||
821 |
/* status Completion status */ |
||
822 |
/* */ |
||
823 |
/* CALLS */ |
||
824 |
/* */ |
||
825 |
/* [gx_display_driver_pixel_blend] Display driver basic pixel */ |
||
826 |
/* blend function */ |
||
827 |
/* */ |
||
828 |
/* CALLED BY */ |
||
829 |
/* */ |
||
830 |
/* GUIX Internal Code */ |
||
831 |
/* */ |
||
832 |
/* RELEASE HISTORY */ |
||
833 |
/* */ |
||
834 |
/* DATE NAME DESCRIPTION */ |
||
835 |
/* */ |
||
836 |
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
||
837 |
/* */ |
||
838 |
/**************************************************************************/ |
||
839 |
6 |
static VOID _gx_display_driver_565rgb_rotated_pixelmap_simple_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
840 |
INT angle, INT cx, INT cy) |
||
841 |
{ |
||
842 |
USHORT *get; |
||
843 |
GX_UBYTE *getalpha; |
||
844 |
INT width; |
||
845 |
INT height; |
||
846 |
INT x; |
||
847 |
INT y; |
||
848 |
GX_RECTANGLE *clip; |
||
849 |
GX_RECTANGLE rotated_clip; |
||
850 |
INT newxpos; |
||
851 |
INT newypos; |
||
852 |
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
||
853 |
|||
854 |
6 |
clip = context -> gx_draw_context_clip; |
|
855 |
6 |
blend_func = _gx_display_driver_565rgb_pixel_blend; |
|
856 |
|||
857 |
6 |
GX_SWAP_VALS(xpos, ypos); |
|
858 |
6 |
GX_SWAP_VALS(cx, cy); |
|
859 |
|||
860 |
✓✓ | 6 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
861 |
{ |
||
862 |
3 |
ypos = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width; |
|
863 |
3 |
cy = pixelmap -> gx_pixelmap_width - cy - 1; |
|
864 |
|||
865 |
3 |
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top; |
|
866 |
3 |
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom; |
|
867 |
3 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_right); |
|
868 |
3 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_left); |
|
869 |
} |
||
870 |
else |
||
871 |
{ |
||
872 |
3 |
xpos = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height; |
|
873 |
3 |
cx = pixelmap -> gx_pixelmap_height - cx - 1; |
|
874 |
|||
875 |
3 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_bottom); |
|
876 |
3 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_top); |
|
877 |
3 |
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left; |
|
878 |
3 |
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right; |
|
879 |
} |
||
880 |
|||
881 |
✓✓ | 6 |
if (angle == 90) |
882 |
{ |
||
883 |
2 |
width = pixelmap -> gx_pixelmap_width; |
|
884 |
2 |
height = pixelmap -> gx_pixelmap_height; |
|
885 |
|||
886 |
2 |
newxpos = xpos + cx - (width - 1 - cy); |
|
887 |
2 |
newypos = ypos + cy - cx; |
|
888 |
|||
889 |
✓✓ | 536 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
890 |
{ |
||
891 |
✓✓ | 104664 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
892 |
{ |
||
893 |
104130 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
894 |
104130 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
895 |
104130 |
get += (width - 1 - x) * height; |
|
896 |
104130 |
get += y; |
|
897 |
104130 |
getalpha += (width - 1 - x) * height; |
|
898 |
104130 |
getalpha += y; |
|
899 |
104130 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
900 |
} |
||
901 |
} |
||
902 |
} |
||
903 |
✓✓ | 4 |
else if (angle == 180) |
904 |
{ |
||
905 |
|||
906 |
2 |
width = pixelmap -> gx_pixelmap_height; |
|
907 |
2 |
height = pixelmap -> gx_pixelmap_width; |
|
908 |
|||
909 |
2 |
newxpos = xpos + cx - (width - 1 - cx); |
|
910 |
2 |
newypos = ypos + cy - (height - 1 - cy); |
|
911 |
|||
912 |
|||
913 |
✓✓ | 392 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
914 |
{ |
||
915 |
✓✓ | 104520 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
916 |
{ |
||
917 |
104130 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
918 |
104130 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
919 |
104130 |
get += (height - 1 - y) * width; |
|
920 |
104130 |
get += width - 1 - x; |
|
921 |
104130 |
getalpha += (height - 1 - y) * width; |
|
922 |
104130 |
getalpha += width - 1 - x; |
|
923 |
|||
924 |
104130 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
925 |
} |
||
926 |
} |
||
927 |
} |
||
928 |
else |
||
929 |
{ |
||
930 |
2 |
height = pixelmap -> gx_pixelmap_height; |
|
931 |
|||
932 |
2 |
newxpos = xpos + cx - cy; |
|
933 |
2 |
newypos = ypos + cx - (height - 1 - cy); |
|
934 |
|||
935 |
✓✓ | 536 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
936 |
{ |
||
937 |
✓✓ | 104664 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
938 |
{ |
||
939 |
104130 |
get = (USHORT *)pixelmap -> gx_pixelmap_data; |
|
940 |
104130 |
getalpha = (GX_UBYTE *)pixelmap -> gx_pixelmap_aux_data; |
|
941 |
104130 |
get += x * height; |
|
942 |
104130 |
get += height - 1 - y; |
|
943 |
104130 |
getalpha += x * height; |
|
944 |
104130 |
getalpha += height - 1 - y; |
|
945 |
|||
946 |
104130 |
blend_func(context, x + newxpos, y + newypos, *get, *getalpha); |
|
947 |
} |
||
948 |
} |
||
949 |
} |
||
950 |
6 |
} |
|
951 |
|||
952 |
/**************************************************************************/ |
||
953 |
/* */ |
||
954 |
/* FUNCTION RELEASE */ |
||
955 |
/* */ |
||
956 |
/* _gx_display_driver_565rgb_rotated_pixelmap_rotate PORTABLE C */ |
||
957 |
/* 6.1.3 */ |
||
958 |
/* AUTHOR */ |
||
959 |
/* */ |
||
960 |
/* Kenneth Maxwell, Microsoft Corporation */ |
||
961 |
/* */ |
||
962 |
/* DESCRIPTION */ |
||
963 |
/* */ |
||
964 |
/* This service rotate a pixelmap directly to canvas memory. */ |
||
965 |
/* */ |
||
966 |
/* INPUT */ |
||
967 |
/* */ |
||
968 |
/* context Drawing context */ |
||
969 |
/* xpos x-coord of top-left draw point*/ |
||
970 |
/* ypos y-coord of top-left draw point*/ |
||
971 |
/* pixelmap Pointer to GX_PIXELMAP struct */ |
||
972 |
/* angle The angle to rotate */ |
||
973 |
/* rot_cx x-coord of rotating center. */ |
||
974 |
/* rot_cy y-coord of rotationg center. */ |
||
975 |
/* */ |
||
976 |
/* OUTPUT */ |
||
977 |
/* */ |
||
978 |
/* status Completion status */ |
||
979 |
/* */ |
||
980 |
/* CALLS */ |
||
981 |
/* */ |
||
982 |
/* _gx_display_driver_565rgb_rotated_pixelmap_simple_alpha_rotate */ |
||
983 |
/* Real rotate functin */ |
||
984 |
/* _gx_display_driver_16bpp_rotated_pixelmap_simple_rotate */ |
||
985 |
/* Real rotate functin */ |
||
986 |
/* _gx_display_driver_565rgb_rotated_pixelmap_alpha_rotate */ |
||
987 |
/* Real rotate functin */ |
||
988 |
/* _gx_display_driver_565rgb_rotated_pixelmap_raw_rotate */ |
||
989 |
/* Real rotate functin */ |
||
990 |
/* */ |
||
991 |
/* CALLED BY */ |
||
992 |
/* */ |
||
993 |
/* Application Code */ |
||
994 |
/* GUIX Internal Code */ |
||
995 |
/* */ |
||
996 |
/* RELEASE HISTORY */ |
||
997 |
/* */ |
||
998 |
/* DATE NAME DESCRIPTION */ |
||
999 |
/* */ |
||
1000 |
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */ |
||
1001 |
/* */ |
||
1002 |
/**************************************************************************/ |
||
1003 |
1583 |
VOID _gx_display_driver_565rgb_rotated_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
|
1004 |
INT angle, INT rot_cx, INT rot_cy) |
||
1005 |
{ |
||
1006 |
✓✓ | 1583 |
switch (pixelmap -> gx_pixelmap_format) |
1007 |
{ |
||
1008 |
1582 |
case GX_COLOR_FORMAT_565RGB: |
|
1009 |
✓✓ | 1582 |
if (angle % 90 == 0) |
1010 |
{ |
||
1011 |
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */ |
||
1012 |
✓✓ | 12 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
1013 |
{ |
||
1014 |
6 |
_gx_display_driver_565rgb_rotated_pixelmap_simple_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
1015 |
} |
||
1016 |
else |
||
1017 |
{ |
||
1018 |
6 |
_gx_display_driver_16bpp_rotated_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
1019 |
} |
||
1020 |
12 |
break; |
|
1021 |
} |
||
1022 |
else |
||
1023 |
{ |
||
1024 |
/* General rotation case. */ |
||
1025 |
✓✓ | 1570 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
1026 |
{ |
||
1027 |
/* alpha, no compression */ |
||
1028 |
785 |
_gx_display_driver_565rgb_rotated_pixelmap_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
1029 |
} |
||
1030 |
else |
||
1031 |
{ |
||
1032 |
|||
1033 |
/* no compression or alpha */ |
||
1034 |
785 |
_gx_display_driver_565rgb_rotated_pixelmap_raw_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
|
1035 |
} |
||
1036 |
1570 |
break; |
|
1037 |
} |
||
1038 |
} |
||
1039 |
1583 |
return; |
|
1040 |
} |
||
1041 |
| Generated by: GCOVR (Version 4.1) |