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5668 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2010-2015. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; VNC client for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org ;; |
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9 | ;; ;; |
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10 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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11 | ;; Version 2, June 1991 ;; |
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12 | ;; ;; |
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13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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14 | |||
5715 | hidnplayr | 15 | pixel_to_24bpp: ; returns in ecx |
16 | |||
5716 | hidnplayr | 17 | push eax |
5717 | hidnplayr | 18 | ; @@: |
19 | ; lea eax, [esi+BYTES_PER_PIXEL] |
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20 | ; cmp [datapointer], eax |
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21 | ; jae @f |
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22 | ; call read_data.more |
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23 | ; jmp @b |
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24 | ; @@: |
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5716 | hidnplayr | 25 | |
5677 | hidnplayr | 26 | if BITS_PER_PIXEL = 8 |
5715 | hidnplayr | 27 | |
5716 | hidnplayr | 28 | push ebx |
5715 | hidnplayr | 29 | |
30 | mov bl, 36 |
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5668 | hidnplayr | 31 | mov al, [esi] |
5715 | hidnplayr | 32 | and al, 7 |
5668 | hidnplayr | 33 | mul bl |
5715 | hidnplayr | 34 | mov ch, al ; red |
35 | |||
5668 | hidnplayr | 36 | mov al, [esi] |
5677 | hidnplayr | 37 | shr al, 3 |
38 | and al, 7 |
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5668 | hidnplayr | 39 | mul bl |
5677 | hidnplayr | 40 | mov cl, al ; green |
5715 | hidnplayr | 41 | |
42 | mov bl, 85 |
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5668 | hidnplayr | 43 | mov al, [esi] |
5715 | hidnplayr | 44 | shr al, 6 |
45 | and al, 3 |
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5668 | hidnplayr | 46 | mul bl |
5715 | hidnplayr | 47 | shl ecx, 8 |
48 | mov cl, al ; blue |
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49 | |||
5677 | hidnplayr | 50 | inc esi |
5716 | hidnplayr | 51 | pop ebx |
5715 | hidnplayr | 52 | |
5677 | hidnplayr | 53 | else if BITS_PER_PIXEL = 16 |
5715 | hidnplayr | 54 | |
5677 | hidnplayr | 55 | lodsw |
5715 | hidnplayr | 56 | mov cl, ah |
57 | and al, 0xf8 ; red |
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58 | |||
59 | mov cx, ax |
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60 | shl cx, 5 |
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61 | and ch, 0xfc ; green |
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62 | shl ecx, 8 |
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63 | |||
5668 | hidnplayr | 64 | mov cl, al |
5677 | hidnplayr | 65 | shl cl, 3 |
66 | and cx, 0x00f8 ; blue |
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5715 | hidnplayr | 67 | |
5677 | hidnplayr | 68 | else |
5715 | hidnplayr | 69 | |
5677 | hidnplayr | 70 | xor ecx, ecx |
71 | mov cx, [esi] |
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5715 | hidnplayr | 72 | shl ecx, 8 |
5677 | hidnplayr | 73 | mov cl, [esi+2] |
74 | add esi, 3 |
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5715 | hidnplayr | 75 | |
5677 | hidnplayr | 76 | end if |
5716 | hidnplayr | 77 | pop eax |
5668 | hidnplayr | 78 | |
79 | ret |
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80 | |||
81 | encoding_RRE: |
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82 | |||
5715 | hidnplayr | 83 | DEBUGF 1,"RRE\n" |
5668 | hidnplayr | 84 | |
85 | @@: |
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5715 | hidnplayr | 86 | lea eax, [esi+4+BYTES_PER_PIXEL] |
5668 | hidnplayr | 87 | cmp [datapointer], eax |
88 | jae @f |
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89 | call read_data.more |
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90 | jmp @b |
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91 | @@: |
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92 | |||
93 | lodsd |
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94 | bswap eax |
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95 | mov [subrectangles], eax |
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96 | |||
5715 | hidnplayr | 97 | DEBUGF 1, "%u subrectangles\n", eax |
98 | |||
99 | ; Get background color |
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5668 | hidnplayr | 100 | call pixel_to_24bpp |
101 | |||
5715 | hidnplayr | 102 | ; Calculate first pixel pos |
5668 | hidnplayr | 103 | movzx eax, [screen.width] |
104 | mul [rectangle.y] ; [screen.width]*[rectangle.y] |
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105 | add eax, [rectangle.x] ; [screen.width]*[rectangle.y]+[rectangle.x] |
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106 | lea edi, [framebuffer_data+eax*3] ; edi = framebuffer_data+([screen.width]*[rectangle.y]+[rectangle.x])*3 |
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107 | |||
5715 | hidnplayr | 108 | ; Calculate offset between two rows of pixels |
5668 | hidnplayr | 109 | movzx eax, [screen.width] |
110 | sub eax, [rectangle.width] |
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111 | lea ebp, [eax*3] ; ebp = ([screen.width]-[rectangle.width])*3 |
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112 | |||
5715 | hidnplayr | 113 | ; Draw background rectangle |
5668 | hidnplayr | 114 | push edi |
115 | mov eax, ecx |
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116 | mov edx, [rectangle.height] |
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117 | .lineloop: |
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118 | mov ecx, [rectangle.width] |
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119 | .pixelloop: |
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120 | stosw |
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121 | rol eax, 16 |
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122 | stosb |
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123 | rol eax, 16 |
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124 | dec ecx |
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125 | jnz .pixelloop |
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126 | add edi, ebp |
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127 | dec edx |
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128 | jnz .lineloop |
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129 | pop edi |
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130 | |||
5715 | hidnplayr | 131 | ; Any subrectangles at all? |
132 | cmp [subrectangles], 0 |
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133 | je next_rectangle |
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134 | |||
5668 | hidnplayr | 135 | .subrectangle: |
136 | @@: |
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5715 | hidnplayr | 137 | lea eax, [esi+8+BYTES_PER_PIXEL] |
5668 | hidnplayr | 138 | cmp [datapointer], eax |
139 | jae @f |
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140 | call read_data.more |
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141 | jmp @b |
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142 | @@: |
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143 | |||
5715 | hidnplayr | 144 | ; Get subrectangle color |
5668 | hidnplayr | 145 | call pixel_to_24bpp |
146 | |||
5715 | hidnplayr | 147 | ; Get coordinates |
5668 | hidnplayr | 148 | xor eax, eax |
149 | lodsw |
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150 | xchg al, ah |
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151 | mov [subrectangle.x], eax |
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152 | lodsw |
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153 | xchg al, ah |
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154 | mov [subrectangle.y], eax |
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155 | lodsw |
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156 | xchg al, ah |
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5715 | hidnplayr | 157 | mov [subrectangle.width], eax |
5668 | hidnplayr | 158 | lodsw |
159 | xchg al, ah |
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5715 | hidnplayr | 160 | mov [subrectangle.height], eax |
161 | DEBUGF 1, "Subrectangle: x=%u y=%u width=%u height=%u\n", \ |
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162 | [subrectangle.x], [subrectangle.y], [subrectangle.width], [subrectangle.height] |
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5668 | hidnplayr | 163 | |
5715 | hidnplayr | 164 | ; Calculate pos of first pixel |
5668 | hidnplayr | 165 | push edi |
5715 | hidnplayr | 166 | movzx eax, [screen.width] |
5668 | hidnplayr | 167 | mul [subrectangle.y] |
168 | add eax, [subrectangle.x] |
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5715 | hidnplayr | 169 | lea eax, [eax*3] |
5668 | hidnplayr | 170 | add edi, eax |
171 | |||
5715 | hidnplayr | 172 | ; Calculate offset between two rows of pixels |
173 | movzx eax, [screen.width] |
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174 | sub eax, [subrectangle.width] |
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175 | lea ebp, [eax*3] ; ebp = ([screen.width]-[rectangle.width])*3 |
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176 | |||
177 | ; Draw the subrectangle |
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5668 | hidnplayr | 178 | mov eax, ecx |
179 | mov edx, [subrectangle.height] |
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180 | .lineloop2: |
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181 | mov ecx, [subrectangle.width] |
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182 | .pixelloop2: |
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183 | stosw |
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184 | rol eax, 16 |
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185 | stosb |
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186 | rol eax, 16 |
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187 | dec ecx |
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188 | jnz .pixelloop2 |
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189 | add edi, ebp |
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190 | dec edx |
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191 | jnz .lineloop2 |
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192 | pop edi |
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193 | dec [subrectangles] |
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194 | jnz .subrectangle |
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195 | jmp next_rectangle |