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Rev | Author | Line No. | Line |
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1951 | mario79 | 1 | ;***************************************************************************** |
2 | ; Scaling RAW image plugin - for zSea image viewer |
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3 | ; Copyright (c) 2009 - 2011, Marat Zakiyanov aka Mario79, aka Mario |
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4 | ; All rights reserved. |
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5 | ; |
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6 | ; Redistribution and use in source and binary forms, with or without |
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7 | ; modification, are permitted provided that the following conditions are met: |
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8 | ; * Redistributions of source code must retain the above copyright |
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9 | ; notice, this list of conditions and the following disclaimer. |
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10 | ; * Redistributions in binary form must reproduce the above copyright |
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11 | ; notice, this list of conditions and the following disclaimer in the |
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12 | ; documentation and/or other materials provided with the distribution. |
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13 | ; * Neither the name of the |
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14 | ; names of its contributors may be used to endorse or promote products |
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15 | ; derived from this software without specific prior written permission. |
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16 | ; |
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17 | ; THIS SOFTWARE IS PROVIDED BY Marat Zakiyanov ''AS IS'' AND ANY |
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18 | ; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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19 | ; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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20 | ; DISCLAIMED. IN NO EVENT SHALL |
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21 | ; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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22 | ; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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23 | ; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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24 | ; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | ; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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26 | ; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | ;***************************************************************************** |
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28 | ; Scaling 32b, 24b, 16b, 8b |
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29 | |||
30 | format MS COFF |
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31 | |||
32 | public EXPORTS |
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33 | |||
34 | section '.flat' code readable align 16 |
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35 | |||
1954 | mario79 | 36 | ;include 'macros.inc' |
1951 | mario79 | 37 | include '../../../../macros.inc' |
38 | ;--------------------------------------------------------------------- |
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39 | START: |
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40 | pushad |
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1958 | mario79 | 41 | mov edi,dword [esp+56] |
42 | mov esi,dword [esp+52] |
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43 | mov edx,dword [esp+48] |
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44 | mov ecx,dword [esp+44] |
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45 | mov ebx,dword [esp+40] |
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46 | mov eax,dword [esp+36] |
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1951 | mario79 | 47 | mov [pointer],eax |
48 | test bx,bx |
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49 | jnz @f |
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50 | inc bx |
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51 | @@: |
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52 | ror ebx,16 |
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53 | test bx,bx |
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54 | jnz @f |
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55 | inc bx |
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56 | @@: |
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57 | rol ebx,16 |
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58 | mov [new_size],ebx |
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59 | mov [start_coordinates],ecx |
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60 | mov [scaling_mode],edx |
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61 | mov [filtering],esi |
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62 | mov [background_color],edi |
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63 | mov eax,[eax+4] |
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64 | mov [image_file],eax |
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65 | |||
66 | mov esi,[eax+28] |
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67 | add esi,eax |
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68 | |||
69 | mov ebx,[eax+20] |
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70 | add ebx,eax |
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71 | mov [palette],ebx |
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72 | |||
73 | mov ebx,[eax+12] |
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74 | mov [resolution],ebx |
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75 | cmp ebx,32 |
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76 | jne @f |
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77 | mov ebp,dword START.32 |
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78 | jmp .1 |
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79 | @@: |
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80 | cmp ebx,24 |
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81 | jne @f |
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82 | mov ebp,dword START.24 |
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83 | jmp .1 |
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84 | @@: |
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85 | cmp ebx,16 |
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86 | jne @f |
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87 | mov ebp,dword START.16 |
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88 | jmp .1 |
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89 | @@: |
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90 | cmp ebx,15 |
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91 | jne @f |
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92 | inc ebx |
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93 | mov ebp,dword START.16 |
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94 | jmp .1 |
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95 | @@: |
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96 | cmp ebx,8 |
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97 | jne @f |
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98 | mov ebp,dword START.8 |
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99 | @@: |
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100 | .1: |
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101 | shr ebx,3 |
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102 | mov [bytes_to_pixel],ebx |
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103 | |||
104 | mov ebx,[eax+8] |
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105 | mov [y],ebx |
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106 | mov ebx,[eax+4] |
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107 | mov [x],ebx |
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108 | imul ebx,[bytes_to_pixel] |
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109 | mov [size_x],ebx |
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110 | |||
111 | mov eax,100 |
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112 | shl eax,12 |
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113 | mov ebx,[scaling_mode] |
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114 | test ebx,ebx |
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115 | jnz @f |
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116 | inc ebx |
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117 | @@: |
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118 | xor edx,edx |
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119 | div ebx |
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120 | mov [scaling_delta],eax |
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121 | |||
122 | call .get_memory |
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123 | cmp [scaling_mode],0 |
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124 | jne @f |
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125 | call .scaling |
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126 | jmp .ret_ok |
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127 | @@: |
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128 | call .scaling_2 |
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129 | |||
130 | ;--------------------------------------------------------------------- |
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131 | .ret_ok: |
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132 | mcall 68,13,[area_for_x] |
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133 | mov ebx,[pointer] |
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134 | mov eax,[raw_area] |
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135 | mov [ebx+20],eax ; store RAW pointer |
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136 | ; movzx eax,word [new_size.x1] |
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137 | ; mov [ebx+24],esi ;eax |
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138 | ; movzx eax,word [new_size.y1] |
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139 | ; mov [ebx+28],eax |
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140 | ; mov eax,[size_x] |
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141 | ; mov [ebx+32],eax |
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142 | ; mov eax,[bytes_to_pixel] |
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143 | ; mov [ebx+36],eax |
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144 | ; mov eax,[x] |
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145 | ; mov [ebx+40],eax |
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146 | ; mov eax,[y] |
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147 | ; mov [ebx+44],eax |
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148 | .exit: |
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149 | popad |
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1958 | mario79 | 150 | ret 24 |
1951 | mario79 | 151 | ;--------------------------------------------------------------------- |
152 | align 4 |
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153 | .scaling: |
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154 | xor ecx,ecx |
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155 | .y: |
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156 | xor ebx,ebx |
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157 | ;------------------------- |
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158 | .x: |
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159 | call ebp |
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160 | inc ebx |
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161 | cmp bx,[new_size.x1] |
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162 | jb .x |
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163 | ;------------------------- |
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164 | inc ecx |
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165 | cmp cx,[new_size.y1] |
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166 | jb .y |
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167 | ret |
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168 | ;--------------------------------------------------------------------- |
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169 | align 4 |
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170 | .scaling_2: |
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171 | xor eax,eax |
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172 | mov ax,[start_coordinates.y] |
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173 | imul eax,[size_x] |
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174 | add esi,eax |
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175 | xor eax,eax |
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176 | mov ax,[start_coordinates.x] |
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177 | imul eax,[bytes_to_pixel] |
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178 | add esi,eax |
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179 | |||
180 | xor eax,eax |
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181 | dec eax |
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182 | mov [temp_y],eax |
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183 | |||
184 | xor ecx,ecx |
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185 | align 4 |
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186 | .y_2: |
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187 | xor ebx,ebx |
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188 | ;------------------------- |
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189 | align 4 |
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190 | .x_2: |
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191 | call ebp |
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192 | inc ebx |
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193 | cmp bx,[new_size.x1] |
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194 | jb .x_2 |
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195 | ;------------------------- |
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196 | inc ecx |
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197 | cmp cx,[new_size.y1] |
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198 | jb .y_2 |
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199 | ret |
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200 | ;--------------------------------------------------------------------- |
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201 | align 4 |
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202 | .32: |
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203 | push ecx ebx |
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204 | call .calculate_pixel |
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205 | mov eax,[ecx] |
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206 | call .check_filtering_32 |
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207 | pop ebx ecx |
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208 | cld |
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209 | stosd |
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210 | ret |
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211 | ;--------------------------------------------------------------------- |
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212 | align 4 |
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213 | .24: |
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214 | push ecx ebx |
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215 | call .calculate_pixel |
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216 | mov eax,[ecx] |
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217 | call .check_filtering_24 |
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218 | cld |
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219 | stosw |
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220 | shr eax,16 |
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221 | pop ebx ecx |
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222 | cld |
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223 | stosb |
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224 | ret |
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225 | ;--------------------------------------------------------------------- |
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226 | align 4 |
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227 | .16: |
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228 | push ecx ebx |
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229 | call .calculate_pixel |
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230 | xor eax,eax |
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231 | mov ax,[ecx] |
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232 | call .check_filtering_16 |
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233 | pop ebx ecx |
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234 | cld |
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235 | stosw |
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236 | ret |
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237 | ;--------------------------------------------------------------------- |
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238 | align 4 |
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239 | .8: |
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240 | push ecx ebx |
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241 | call .calculate_pixel |
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242 | cmp [filtering],0 |
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243 | jne @f |
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244 | mov al,[ecx] |
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245 | pop ebx ecx |
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246 | cld |
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247 | stosb |
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248 | ret |
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249 | @@: |
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250 | call .check_filtering_8 |
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251 | cld |
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252 | stosw |
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253 | shr eax,16 |
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254 | pop ebx ecx |
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255 | cld |
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256 | stosb |
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257 | ret |
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258 | |||
259 | ;--------------------------------------------------------------------- |
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260 | align 4 |
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261 | .calculate_pixel: |
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262 | test ecx,ecx |
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263 | jz .offset_x |
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264 | ;.offset_y: |
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265 | mov eax,ecx |
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266 | |||
267 | mov ecx,[temp_y] |
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268 | cmp eax,ecx |
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269 | jne .new_y |
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270 | mov eax,[temp_y_offset] |
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271 | mov ecx,eax |
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272 | jmp .offset_x |
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273 | ;-------------------------------- |
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274 | align 4 |
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275 | .new_y: |
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276 | mov [temp_y],eax |
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277 | |||
278 | mov ebx,[scaling_mode] |
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279 | test ebx,ebx |
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280 | jz @f |
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281 | imul eax,[scaling_delta] |
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282 | ;-------------------------------- |
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283 | push ebx |
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284 | mov ebx,eax |
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285 | shr eax,12 |
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286 | and ebx,0xFFF |
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287 | shl ebx,7 ;multiply 128 |
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288 | shr ebx,12 |
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289 | mov [next_pixel_y],ebx |
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290 | pop ebx |
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291 | ;-------------------------------- |
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292 | jmp .ex_1 |
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293 | align 4 |
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294 | @@: |
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295 | ;-------------------------------- |
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296 | imul eax,dword [y] |
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297 | mov bx,word [new_size.y1] |
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298 | ;-------------------------------- |
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299 | align 4 |
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300 | .y_div: |
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301 | test ebx,ebx |
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302 | jnz @f |
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303 | inc ebx |
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304 | align 4 |
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305 | @@: |
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306 | xor edx,edx |
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307 | div ebx |
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308 | ;-------------------------------- |
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309 | push eax |
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310 | mov eax,edx |
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311 | shl eax,7 ;multiply 128 |
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312 | xor edx,edx |
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313 | div ebx |
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314 | mov [next_pixel_y],eax |
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315 | pop eax |
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316 | ;-------------------------------- |
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317 | align 4 |
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318 | .ex_1: |
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319 | mov [temp_y1],eax |
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320 | imul eax,[size_x] |
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321 | |||
322 | mov [temp_y_offset],eax |
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323 | mov ecx,eax |
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324 | align 4 |
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325 | .offset_x: |
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326 | test ebx,ebx |
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327 | jz .finish |
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328 | mov eax,[esp+4] ;ebx |
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329 | |||
330 | mov edx,[esp+8] |
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331 | test edx,edx |
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332 | jz .continue |
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333 | shl eax,3 |
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334 | add eax,[area_for_x] |
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335 | mov edx,[eax+4] |
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336 | mov [next_pixel_x],edx |
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337 | mov eax,[eax] |
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338 | jmp .ex_3 |
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339 | ;-------------------------------- |
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340 | align 4 |
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341 | .continue: |
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342 | mov ebx,[scaling_mode] |
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343 | test ebx,ebx |
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344 | jz @f |
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345 | imul eax,[scaling_delta] |
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346 | ;-------------------------------- |
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347 | mov ebx,eax |
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348 | shr eax,12 |
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349 | and ebx,0xFFF |
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350 | shl ebx,7 ;multiply 128 |
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351 | shr ebx,12 |
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352 | mov [next_pixel_x],ebx |
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353 | ;-------------------------------- |
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354 | jmp .ex_2 |
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355 | ;-------------------------------- |
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356 | align 4 |
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357 | @@: |
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358 | imul eax,dword [x] |
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359 | mov bx,word [new_size.x1] |
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360 | ;-------------------------------- |
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361 | align 4 |
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362 | .x_div: |
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363 | test ebx,ebx |
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364 | jnz @f |
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365 | inc ebx |
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366 | align 4 |
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367 | @@: |
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368 | xor edx,edx |
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369 | div ebx |
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370 | ;-------------------------------- |
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371 | push eax |
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372 | mov eax,edx |
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373 | shl eax,7 ;multiply 128 |
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374 | xor edx,edx |
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375 | div ebx |
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376 | mov [next_pixel_x],eax |
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377 | pop eax |
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378 | ;-------------------------------- |
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379 | align 4 |
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380 | .ex_2: |
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381 | mov edx,[bytes_to_pixel] |
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382 | mov ebx,eax |
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383 | xor eax,eax |
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384 | align 4 |
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385 | @@: |
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386 | add eax,ebx |
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387 | dec edx |
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388 | jnz @r |
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389 | |||
390 | mov ebx,[esp+4] |
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391 | shl ebx,3 |
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392 | add ebx,[area_for_x] |
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393 | mov [ebx],eax |
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394 | mov edx,[next_pixel_x] |
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395 | mov [ebx+4],edx |
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396 | align 4 |
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397 | .ex_3: |
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398 | mov [temp_x1],eax |
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399 | add ecx,eax |
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400 | align 4 |
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401 | .finish: |
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402 | add ecx,esi |
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403 | ret |
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404 | ;--------------------------------------------------------------------- |
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405 | align 4 |
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406 | .get_memory: |
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407 | |||
408 | xor ecx,ecx |
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409 | mov cx,[new_size.x1] |
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410 | shl ecx,3 |
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411 | mcall 68,12 |
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412 | mov [area_for_x],eax |
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413 | |||
414 | xor ecx,ecx |
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415 | mov ebx,[new_size] |
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416 | mov cx,bx |
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417 | shr ebx,16 |
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418 | imul ecx,ebx ;[eax+8] |
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419 | mov eax,[bytes_to_pixel] |
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420 | cmp eax,1 |
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421 | jne @f |
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422 | mov eax,3 |
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423 | @@: |
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424 | imul ecx,eax |
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425 | mcall 68,12 |
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426 | mov [raw_area],eax |
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427 | mov edi,eax |
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428 | ret |
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429 | ;--------------------------------------------------------------------- |
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430 | include 'b_filter.inc' |
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431 | ;--------------------------------------------------------------------- |
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432 | align 4 |
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433 | EXPORTS: |
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434 | dd szStart, START |
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1958 | mario79 | 435 | dd szVersion, 0x00010002 |
1951 | mario79 | 436 | dd 0 |
437 | |||
438 | szStart db 'START',0 |
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439 | szVersion db 'version',0 |
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440 | |||
441 | align 4 |
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442 | pointer dd 0 |
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443 | image_file dd 0 |
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444 | new_size: |
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445 | .y1: dw 0 |
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446 | .x1: dw 0 |
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447 | |||
448 | x: dd 0 |
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449 | y: dd 0 |
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450 | |||
451 | size_x dd 0 |
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452 | bytes_to_pixel dd 0 |
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453 | |||
454 | start_coordinates: |
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455 | .y dw 0 |
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456 | .x dw 0 |
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457 | |||
458 | scaling_mode dd 0 |
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459 | raw_area dd 0 |
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460 | scaling_delta dd 0 |
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461 | |||
462 | area_for_x dd 0 |
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463 | |||
464 | temp_y dd 0 |
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465 | temp_y_offset dd 0 |
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466 | |||
467 | resolution dd 0 |
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468 | |||
469 | filtering dd 0 |
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470 | |||
471 | next_pixel_y dd 0 |
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472 | next_pixel_x dd 0 |
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473 | |||
474 | temp_y1 dd 0 |
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475 | temp_x1 dd 0 |
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476 | |||
477 | B_sample dd 0 |
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478 | G_sample dd 0 |
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479 | R_sample dd 0 |
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480 | |||
481 | B_sample_1 dd 0 |
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482 | G_sample_1 dd 0 |
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483 | R_sample_1 dd 0 |
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484 | |||
485 | palette dd 0 |
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486 | |||
487 | background_color dd 0 |