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Rev | Author | Line No. | Line |
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31 | halyavin | 1 | ; IMGVIEW.ASM |
2 | ; |
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3 | ; This program displays jpeg images. The window can be resized. |
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4 | ; |
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5 | ; Version 0.0 END OF 2003 |
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6 | ; Octavio Vega |
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7 | ; Version 0.1 7th March 2004 |
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8 | ; Mike Hibbett ( very small part! ) |
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9 | ; Version 0.11 7th April 2004 |
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10 | ; Ville Turjanmaa ( 'set_as_bgr' function ) |
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11 | ; Version 0.12 29th May 2004 |
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12 | ; Ivan Poddubny (correct "set_as_bgr"+parameters+boot+...) |
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13 | ; Version 0.12 30 de mayo 2004 |
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14 | ; Octavio Vega |
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15 | ; bugs correction and slideshow |
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16 | ; version 0.13 3 de junio 2004 |
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17 | ; Octavio Vega |
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18 | ; unos retoques |
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19 | ; version 0.14 10th August 2004 |
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20 | ; Mike Hibbett Added setting default colours |
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21 | ; |
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22 | memsize=20000h |
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23 | org 0 |
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24 | PARAMS = memsize - 1024 |
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25 | |||
26 | use32 |
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27 | |||
28 | db 'MENUET01' ; 8 byte id |
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29 | dd 0x01 ; header version |
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30 | dd START ; start of code |
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31 | dd I_END ; size of image |
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32 | dd memsize ; memory for app |
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33 | dd memsize - 1024 ; esp |
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34 | dd PARAMS , 0x0 ; I_Param , I_Icon |
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35 | |||
36 | include 'lang.inc' |
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37 | stack_size=4096 + 1024 |
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38 | |||
39 | |||
40 | START: ; start of execution |
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41 | |||
42 | cmp [PARAMS], byte 0 |
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43 | jne check_parameters |
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44 | |||
45 | ; Calculate the 'free' memory available |
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46 | ; to the application, and create the malloc block from it |
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47 | .l1: |
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48 | mov ecx,memsize-fin-stack_size |
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49 | mov edi,fin |
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50 | call add_mem |
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51 | |||
52 | ; Get some memory |
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53 | mov ecx,16384 |
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54 | call malloc |
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55 | mov [work_area],edi |
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56 | call colorprecalc ;inicializa tablas usadas para pasar de ybr a bgr |
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57 | call draw_window |
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58 | call read_string.rs_done |
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59 | |||
60 | still: |
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61 | push still |
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62 | mov ebx,100 ;1 second |
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63 | mov eax,23 ; wait here for event |
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64 | int 0x40 |
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65 | cmp eax,1 ; redraw request ? |
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66 | je draw_window |
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67 | cmp eax,2 ; key in buffer ? |
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68 | je read_string |
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69 | cmp eax,3 ; button in buffer ? |
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70 | je button |
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71 | jmp display_next |
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72 | |||
73 | button: ; BUTTON |
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74 | mov eax,17 |
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75 | int 0x40 |
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76 | cmp ah,3 |
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77 | je set_as_bgr2 |
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78 | cmp ah,2 |
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79 | je slideshow |
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80 | cmp ah,1 ; CLOSE PROGRAM |
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81 | jne close_program.exit |
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82 | close_program: |
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83 | mov eax,-1 |
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84 | int 0x40 |
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85 | .exit: |
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86 | ret |
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87 | |||
88 | ; Put a 'chunk' of the image on the window |
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89 | put_image: |
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90 | pushad |
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91 | |||
92 | lea ebp,[edx+eax+7] |
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93 | cmp [winxs],bp |
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94 | jc .l1 |
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95 | lea ebp,[ecx+ebx+20+2+17] |
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96 | cmp [winys],bp |
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97 | jc .l1 |
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98 | |||
99 | add eax,5 ; offset for boarder |
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100 | add ebx,20 ; offset for title bar |
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101 | push ax ; pox |
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102 | push bx ; pos |
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103 | push cx ; size |
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104 | push dx ; size |
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105 | pop ecx |
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106 | pop edx |
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107 | mov ebx,edi |
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108 | mov eax,7 |
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109 | |||
110 | int 40h ; Put image function |
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111 | .l1: |
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112 | popad |
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113 | ret |
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114 | |||
115 | |||
116 | |||
117 | ;****************************************************************************** |
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118 | |||
119 | check_parameters: |
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120 | cmp [PARAMS], dword "BOOT" ; received BOOT parameter -> goto handler |
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121 | je boot_set_background |
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122 | |||
123 | mov edi, name_string ; clear string with file name |
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124 | mov al, 0 |
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125 | mov ecx, 100 |
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126 | rep stosb |
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127 | |||
128 | mov ecx, 100 ; calculate length of parameter string |
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129 | mov edi, PARAMS |
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130 | repne scasb |
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131 | sub edi, PARAMS |
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132 | mov ecx, edi |
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133 | |||
134 | mov esi, PARAMS ; copy parameters to file name |
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135 | mov edi, name_string |
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136 | cld |
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137 | rep movsb |
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138 | |||
139 | jmp START.l1 ; return to beggining of the progra |
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140 | |||
141 | ;****************************************************************************** |
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142 | |||
143 | |||
144 | set_default_colours: |
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145 | |||
146 | pusha |
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147 | |||
148 | mov eax,6 ; load default color map |
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149 | mov ebx,defcol |
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150 | mov ecx,0 |
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151 | mov edx,-1 |
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152 | mov esi,0x10000 |
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153 | int 0x40 |
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154 | |||
155 | mov eax,48 ; set default color map |
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156 | mov ebx,2 |
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157 | mov ecx,0x10000 |
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158 | mov edx,10*4 |
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159 | int 0x40 |
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160 | |||
161 | popa |
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162 | ret |
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163 | |||
164 | defcol db 'DEFAULT.DTP' |
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165 | |||
166 | |||
167 | boot_set_background: |
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168 | call set_default_colours |
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169 | |||
170 | mov ecx,memsize-fin-stack_size ; size |
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171 | mov edi,fin ; pointer |
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172 | call add_mem ; mark memory from fin to 0x100000-1024 as free |
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173 | ; Get some memory |
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174 | mov ecx,16384 ; get 16 Kb of memory |
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175 | call malloc ; returns pointer in edi |
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176 | mov [work_area],edi ; save it |
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177 | call colorprecalc ; calculate colors |
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178 | mov esi,name_string |
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179 | call open |
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180 | test eax,eax |
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181 | jz close_program |
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182 | call jpeg_info |
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183 | mov dword [jpeg_st],ebp |
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184 | call set_as_bgr2 ; set wallpaper |
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185 | jmp close_program ; close the program right now |
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186 | |||
187 | ;****************************************************************************** |
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188 | ;****************************************************************************** |
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189 | |||
190 | set_as_bgr2: |
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191 | mov ebp,dword[jpeg_st] |
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192 | test ebp,ebp |
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193 | jz .end |
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194 | |||
195 | mov dword [ebp+draw_ptr],put_chunk_to_bgr |
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196 | call jpeg_display |
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197 | mov eax, 15 |
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198 | mov ebx, 1 |
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199 | mov ecx, [ebp + x_size] |
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200 | mov edx, [ebp + y_size] |
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201 | int 0x40 |
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202 | |||
203 | ; Stretch the image to fit |
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204 | mov eax, 15 |
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205 | mov ebx, 4 |
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206 | mov ecx, 2 |
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207 | int 0x40 |
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208 | |||
209 | mov eax, 15 |
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210 | mov ebx, 3 |
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211 | int 0x40 |
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212 | |||
213 | |||
214 | .end: |
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215 | ret |
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216 | |||
217 | ;****************************************************************************** |
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218 | |||
219 | put_chunk_to_bgr: |
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220 | pushad |
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221 | |||
222 | mov [x_pointer], edi |
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223 | mov esi, ecx |
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224 | imul esi, 3 |
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225 | mov [x_numofbytes], esi |
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226 | mov ecx, [ebp + x_size] |
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227 | imul ecx, ebx |
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228 | add ecx, eax |
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229 | imul ecx, 3 |
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230 | mov [x_offset], ecx |
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231 | mov [x_counter], edx |
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232 | mov eax, [ebp + x_size] |
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233 | imul eax, 3 |
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234 | mov [x_numofb2], eax |
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235 | .new_string: |
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236 | mov eax, 15 |
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237 | mov ebx, 5 |
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238 | mov ecx, [x_pointer] |
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239 | mov edx, [x_offset] |
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240 | mov esi, [x_numofbytes] |
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241 | int 0x40 |
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242 | mov eax, [x_numofbytes] |
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243 | add [x_pointer], eax |
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244 | mov eax, [x_numofb2] |
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245 | add [x_offset], eax |
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246 | dec [x_counter] |
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247 | jnz .new_string |
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248 | |||
249 | popad |
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250 | ret |
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251 | |||
252 | ;****************************************************************************** |
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253 | |||
254 | |||
255 | |||
256 | ; ********************************************* |
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257 | ; ******* WINDOW DEFINITIONS AND DRAW ******** |
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258 | ; ********************************************* |
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259 | |||
260 | |||
261 | draw_window: |
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262 | |||
263 | mov eax,12 |
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264 | mov ebx,1 |
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265 | int 0x40 |
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266 | |||
267 | ; Draw the window to the appropriate size - it may have |
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268 | ; been resized by the user |
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269 | mov eax, 0 |
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270 | cmp [winxs], ax |
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271 | jne dw_001 |
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272 | |||
273 | ; Give the screen some inital defaults |
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274 | mov ax, 400 |
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275 | mov [winxs], ax |
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276 | mov ax, 300 |
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277 | mov [winys], ax |
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278 | mov ax, 100 |
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279 | mov [winxo], ax |
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280 | mov [winyo], ax |
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281 | jmp dw_002 |
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282 | |||
283 | dw_001: |
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284 | mov eax, 9 |
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285 | mov ebx, memsize - 1024 |
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286 | mov ecx, -1 |
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287 | int 0x40 |
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288 | mov eax, [ebx + 34] |
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289 | mov [winxo], ax |
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290 | mov eax, [ebx + 38] |
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291 | mov [winyo], ax |
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292 | mov eax, [ebx + 42] |
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293 | mov [winxs], ax |
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294 | mov eax, [ebx + 46] |
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295 | mov [winys], ax |
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296 | |||
297 | dw_002: |
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298 | mov bx, [winxo] |
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299 | shl ebx, 16 |
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300 | mov bx, [winxs] |
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301 | |||
302 | mov cx, [winyo] |
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303 | shl ecx, 16 |
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304 | mov cx, [winys] |
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305 | |||
306 | |||
307 | mov eax,0 ; DRAW WINDOW |
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308 | mov edx,[wcolor] |
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309 | add edx,0x02000000 |
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310 | mov esi,0x80557799 |
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311 | mov edi,0x00557799 |
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312 | int 0x40 |
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313 | |||
314 | mov eax,4 ; WINDOW LABEL |
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315 | mov ebx,8*65536+8 |
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316 | mov ecx,0x00ffffff |
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317 | mov edx,labelt |
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318 | mov esi,labellen-labelt |
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319 | int 0x40 |
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320 | |||
321 | |||
322 | mov eax,8 ; CLOSE BUTTON |
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323 | |||
324 | mov bx, [winxs] |
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325 | sub bx, 19 |
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326 | shl ebx, 16 |
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327 | add ebx, 12 |
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328 | |||
329 | mov ecx,5*65536+12 |
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330 | mov edx,1 |
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331 | mov esi,0x557799 |
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332 | int 0x40 |
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333 | |||
334 | ; draw status bar |
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335 | mov eax, 13 |
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336 | movzx ebx, word [winxs] |
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337 | sub ebx, 5 |
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338 | add ebx, 4*65536 |
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339 | mov cx, [winys] |
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340 | sub ecx, 19 |
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341 | shl ecx, 16 |
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342 | add ecx, 3 |
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343 | mov edx, 0x00557799 |
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344 | int 0x40 |
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345 | |||
346 | mov eax,8 ; BUTTON 2: filename |
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347 | mov ebx,4*65536+55 |
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348 | mov cx, [winys] |
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349 | sub cx, 16 |
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350 | shl ecx, 16 |
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351 | add ecx, 12 |
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352 | mov esi, 0x00557799 |
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353 | mov edx,2 |
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354 | int 0x40 |
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355 | |||
356 | mov eax,4 ; Button text |
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357 | movzx ebx, word [winys] |
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358 | sub ebx, 13 |
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359 | add ebx, 6*65536 |
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360 | mov ecx,0x00ffffff |
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361 | mov edx,setname |
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362 | mov esi,setnamelen-setname |
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363 | int 0x40 |
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364 | |||
365 | |||
366 | mov eax,8 ; BUTTON 3: set as background |
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367 | mov bx, [winxs] |
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368 | sub bx, 60 |
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369 | shl ebx, 16 |
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370 | mov bx,55 |
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371 | mov cx, [winys] |
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372 | sub cx, 16 |
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373 | shl ecx, 16 |
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374 | add ecx, 12 |
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375 | mov esi, 0x00557799 |
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376 | mov edx,3 |
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377 | int 0x40 |
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378 | |||
379 | mov eax,4 ; Button text |
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380 | movzx ebx, word [winxs] |
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381 | sub ebx, 60 |
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382 | shl ebx,16 |
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383 | mov bx, word [winys] |
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384 | sub bx,13 |
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385 | mov ecx,0x00ffffff |
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386 | mov edx,setbgr |
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387 | mov esi,setbgrlen-setbgr |
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388 | int 0x40 |
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389 | call print_strings |
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390 | call load_image |
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391 | mov eax,12 ; function 12:tell os about windowdraw |
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392 | mov ebx,2 ; 2, end of draw |
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393 | int 0x40 |
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394 | |||
395 | ret |
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396 | |||
397 | |||
398 | |||
399 | ; Read in the image file name. |
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400 | read_string: |
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401 | movzx edi,byte[name_string.cursor] |
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402 | add edi,name_string |
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403 | mov eax,2 |
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404 | int 0x40 ; Get the key value |
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405 | shr eax,8 |
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406 | cmp eax,13 ; Return key ends input |
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407 | je .rs_done |
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408 | cmp eax,8 |
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409 | jnz .nobsl |
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410 | cmp edi,name_string |
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411 | je .exit |
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412 | dec edi |
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413 | mov [edi],byte 0;'_' |
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414 | dec byte[name_string.cursor] |
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415 | jmp print_strings |
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416 | .exit: ret |
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417 | .nobsl: |
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418 | cmp eax,31 |
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419 | jbe .exit |
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420 | cmp eax,97 |
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421 | jb .keyok |
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422 | sub eax,32 |
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423 | .keyok: |
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424 | mov ah,0 |
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425 | stosw |
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426 | cmp edi,name_string.end |
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427 | jnc print_strings |
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428 | inc byte[name_string.cursor] |
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429 | jmp print_strings |
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430 | .rs_done: |
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431 | call print_strings |
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432 | mov esi,name_string |
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433 | call open |
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434 | test eax,eax |
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435 | jz .exit |
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436 | call jpeg_info |
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437 | test ebp,ebp |
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438 | jz close |
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439 | xchg [jpeg_st],ebp |
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440 | call jpeg_close |
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441 | |||
442 | load_image: |
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443 | |||
444 | mov eax,13 ; clear picture area |
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445 | movzx ebx, word [winxs] |
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446 | sub ebx, 7 |
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447 | add ebx, 4 * 65536 |
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448 | movzx ecx, word [winys] |
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449 | sub ecx, 39 |
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450 | add ecx, 20 * 65536 |
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451 | |||
452 | mov edx,0 |
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453 | int 0x40 |
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454 | mov ebp,[jpeg_st] |
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455 | test ebp,ebp |
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456 | jz .exit |
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457 | mov dword [ebp+draw_ptr],put_image |
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458 | jmp jpeg_display |
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459 | .exit: ret |
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460 | |||
461 | print_strings: |
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462 | pusha |
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463 | mov eax,13 ; clear text area |
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464 | movzx ebx, word [winxs] |
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465 | sub ebx, 64+58 |
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466 | add ebx, 60*65536 |
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467 | mov cx, [winys] |
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468 | sub cx, 16 |
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469 | shl ecx, 16 |
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470 | add ecx, 12 |
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471 | mov edx,0xffffff |
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472 | int 0x40 |
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473 | |||
474 | mov eax,4 ; |
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475 | movzx ebx, word [winys] |
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476 | sub ebx, 14 |
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477 | add ebx, 60*65536 |
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478 | mov ecx,0x000000 |
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479 | mov edx,name_string |
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480 | mov esi,60 |
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481 | int 0x40 |
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482 | popa |
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483 | ret |
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484 | |||
485 | slideshow: |
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486 | test dword[file_dir],-1 |
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487 | jnz .exit |
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488 | test dword[jpeg_st],-1 |
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489 | jz .exit |
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490 | mov esi,name_string |
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491 | movzx ecx,byte[name_string.cursor] |
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492 | .l1: |
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493 | cmp byte[esi+ecx],'/' |
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494 | je .l2 |
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495 | loop .l1 |
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496 | .exit: |
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497 | ret |
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498 | .l2: |
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499 | mov byte[esi+ecx],0 |
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500 | call open |
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501 | mov byte[esi+ecx],'/' |
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502 | test eax,eax |
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503 | jz .exit |
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504 | |||
505 | mov dword[eax+file_handler.size],-1 ;directory size is always 0 |
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506 | mov [file_dir],eax |
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507 | inc cl |
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508 | mov [name_string.cursor],cl |
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509 | |||
510 | display_next: |
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511 | mov eax,[file_dir] |
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512 | test eax,eax |
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513 | jnz .l1 |
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514 | ret |
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515 | .l1: |
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516 | mov ecx,32 |
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517 | sub esp,ecx |
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518 | mov edi,esp |
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519 | call read |
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520 | cmp ecx,32 |
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521 | jnc .l11 |
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522 | .l10: |
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523 | add esp,32 |
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524 | mov eax,dword[file_dir] |
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525 | mov dword[file_dir],0 |
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526 | jmp close |
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527 | .l11: |
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528 | mov esi,esp |
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529 | movzx edi,byte[name_string.cursor] |
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530 | add edi,name_string |
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531 | lodsb |
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532 | cmp al,0 |
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533 | je .l10 |
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534 | cmp al,229 |
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535 | jne .l0 |
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536 | add esp,32 |
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537 | jmp display_next |
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538 | .l0: |
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539 | stosb |
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540 | mov cl,7 |
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541 | .l2: |
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542 | lodsb |
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543 | cmp al,32 |
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544 | jna .l3 |
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545 | stosb |
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546 | loop .l2 |
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547 | .l3: |
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548 | lea esi,[esp+8] |
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549 | mov al,'.' |
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550 | stosb |
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551 | mov cl,3 |
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552 | .l4: |
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553 | lodsb |
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554 | cmp al,32 |
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555 | jna .l5 |
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556 | stosb |
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557 | loop .l4 |
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558 | .l5: |
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559 | mov al,0 |
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560 | stosb |
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561 | cmp edi,name_string.end |
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562 | jc .l5 |
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563 | add esp,32 |
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564 | call print_strings |
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565 | mov esi,name_string |
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566 | call open |
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567 | test eax,eax |
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568 | jz display_next |
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569 | call jpeg_info |
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570 | test ebp,ebp |
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571 | jnz .l6 |
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572 | call close |
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573 | jmp display_next |
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574 | .l6: |
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575 | mov dword[ebp+draw_ptr],put_image |
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576 | push ebp |
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577 | xchg [jpeg_st],ebp |
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578 | call jpeg_close |
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579 | pop ebp |
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580 | jmp jpeg_display |
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581 | |||
582 | |||
583 | |||
584 | include 'filelib.asm' |
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585 | include 'memlib.asm' |
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586 | include 'jpeglib.asm' |
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587 | |||
588 | |||
589 | ; DATA AREA |
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590 | |||
591 | wcolor dd 0x000000 |
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592 | labelt db 'Jpegview v0.14' |
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593 | labellen: |
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594 | setname db 'SLIDESHOW' |
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595 | setnamelen: |
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596 | |||
597 | setbgr db ' BGR ' |
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598 | setbgrlen: |
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599 | |||
600 | x_pointer dd 0 |
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601 | x_offset dd 0 |
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602 | x_numofbytes dd 0 |
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603 | x_numofb2 dd 0 |
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604 | x_counter dd 0 |
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605 | winxo: dw 0 |
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606 | winyo: dw 0 |
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607 | winxs: dw 0 |
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608 | winys: dw 0 |
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609 | jpeg_st: dd 0 |
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610 | file_dir: dd 0 |
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611 | work_area: dd 0 |
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612 | tcolor dd 0x000000 |
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613 | btcolor dd 0x224466+0x808080 |
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614 | name_string: db '/rd/1/jpegview.jpg',0 |
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615 | |||
616 | rb 100 |
||
617 | .end: |
||
618 | .cursor: db 19 |
||
619 | .cursor2: db 0 |
||
620 | |||
621 | align 4 |
||
622 | |||
623 | rgb16: db 0,4,8,13,17,21,25,29,34,38,42,46,50,55,59,63 |
||
624 | rgb4: db 0,21,42,63 |
||
625 | |||
626 | include 'jpegdat.asm' |
||
627 | |||
628 | align 4 |
||
629 | |||
630 | iniciomemoria: |
||
631 | dd -(iniciomemoria+4),-(iniciomemoria+4),(iniciomemoria+4),.l1,0 |
||
632 | .l1 dd 0 |
||
633 | |||
634 | fin: |
||
635 | I_END: |
||
636 |