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3107 | leency | 1 | //Asper |
5598 | pavelyakov | 2 | #ifndef INCLUDE_LIBIMG_H |
3 | #define INCLUDE_LIBIMG_H |
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3107 | leency | 4 | |
5598 | pavelyakov | 5 | #ifndef INCLUDE_KOLIBRI_H |
6 | #include "../lib/kolibri.h" |
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7 | #endif |
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8 | |||
9 | #ifndef INCLUDE_MEM_H |
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10 | #include "../lib/mem.h" |
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11 | #endif |
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12 | |||
13 | #ifndef INCLUDE_DLL_H |
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14 | #include "../lib/dll.h" |
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15 | #endif |
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16 | |||
17 | #ifndef INCLUDE_LIBIO_H |
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7049 | leency | 18 | #include "../lib/obj/libio.h" |
5598 | pavelyakov | 19 | #endif |
20 | |||
21 | :byte init_imglib_check; |
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22 | |||
3107 | leency | 23 | //library |
24 | dword libimg = #alibimg; |
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25 | char alibimg[21] = "/sys/lib/libimg.obj\0"; |
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5626 | leency | 26 | |
3107 | leency | 27 | dword libimg_init = #alibimg_init; |
28 | dword img_is_img = #aimg_is_img; |
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29 | dword img_to_rgb2 = #aimg_to_rgb2; |
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30 | dword img_decode = #aimg_decode; |
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31 | dword img_destroy = #aimg_destroy; |
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32 | dword img_draw = #aimg_draw; |
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7190 | leency | 33 | dword img_create = #aimg_create; |
34 | dword img_encode = #aimg_encode; |
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35 | |||
3107 | leency | 36 | //dword img_flip = #aimg_flip; |
37 | //dword img_rotate = #aimg_rotate; |
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3839 | Asper | 38 | $DD 2 dup 0 |
3107 | leency | 39 | |
40 | //import libimg , \ |
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41 | char alibimg_init[9] = "lib_init\0"; |
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42 | char aimg_is_img[11] = "img_is_img\0"; |
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43 | char aimg_to_rgb2[12] = "img_to_rgb2\0"; |
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44 | char aimg_decode[11] = "img_decode\0"; |
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45 | char aimg_destroy[12] = "img_destroy\0"; |
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46 | char aimg_draw[9] = "img_draw\0"; |
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7190 | leency | 47 | char aimg_create[11] = "img_create\0"; |
48 | char aimg_encode[11] = "img_encode\0"; |
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3107 | leency | 49 | //char aimg_flip[9] = "img_flip\0"; |
50 | //char aimg_rotate[11] = "img_rotate\0 "; |
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51 | |||
7190 | leency | 52 | #define LIBIMG_FORMAT_BMP 1 |
53 | #define LIBIMG_FORMAT_ICO 2 |
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54 | #define LIBIMG_FORMAT_CUR 3 |
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55 | #define LIBIMG_FORMAT_GIF 4 |
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56 | #define LIBIMG_FORMAT_PNG 5 |
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57 | #define LIBIMG_FORMAT_JPEG 6 |
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58 | #define LIBIMG_FORMAT_TGA 7 |
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59 | #define LIBIMG_FORMAT_PCX 8 |
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60 | #define LIBIMG_FORMAT_XCF 9 |
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61 | #define LIBIMG_FORMAT_TIFF 10 |
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62 | #define LIBIMG_FORMAT_PNM 11 |
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63 | #define LIBIMG_FORMAT_WBMP 12 |
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64 | #define LIBIMG_FORMAT_XBM 13 |
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65 | #define LIBIMG_FORMAT_Z80 14 |
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3107 | leency | 66 | |
7190 | leency | 67 | struct _Image |
68 | { |
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69 | dword Checksum; // ((Width ROL 16) OR Height) XOR Data[0] ; ignored so far |
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70 | dword Width; |
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71 | dword Height; |
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72 | dword Next; |
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73 | dword Previous; |
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74 | dword Type; // one of Image.bppN |
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75 | dword Data; |
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76 | dword Palette; // used iff Type eq Image.bpp1, Image.bpp2, Image.bpp4 or Image.bpp8i |
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77 | dword Extended; |
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78 | dword Flags; // bitfield |
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79 | dword Delay; // used iff Image.IsAnimated is set in Flags |
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80 | }; |
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3107 | leency | 81 | |
7190 | leency | 82 | // values for Image.Type |
83 | // must be consecutive to allow fast switch on Image.Type in support functions |
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84 | #define Image_bpp8i 1 // indexed |
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85 | #define Image_bpp24 2 |
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86 | #define Image_bpp32 3 |
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87 | #define Image_bpp15 4 |
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88 | #define Image_bpp16 5 |
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89 | #define Image_bpp1 6 |
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90 | #define Image_bpp8g 7 // grayscale |
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91 | #define Image_bpp2i 8 |
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92 | #define Image_bpp4i 9 |
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93 | #define Image_bpp8a 10 // grayscale with alpha channel; application layer only!!! kernel doesn't handle this image type, libimg can only create and destroy such images |
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94 | |||
95 | |||
3107 | leency | 96 | dword load_image(dword filename) |
97 | { |
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98 | //align 4 |
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99 | dword img_data=0; |
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100 | dword img_data_len=0; |
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101 | dword fh=0; |
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102 | dword image=0; |
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103 | |||
104 | byte tmp_buf[40]; |
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105 | $and img_data, 0 |
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106 | //$mov eax, filename |
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107 | //$push eax |
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108 | //invoke file.open, eax, O_READ |
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109 | file_open stdcall (filename, O_READ); |
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110 | $or eax, eax |
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111 | $jnz loc05 |
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112 | $stc |
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113 | return 0; |
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114 | @loc05: |
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115 | $mov fh, eax |
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116 | //invoke file.size |
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117 | file_size stdcall (filename); |
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118 | $mov img_data_len, ebx |
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119 | //stdcall mem.Alloc, ebx |
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120 | mem_Alloc(EBX); |
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121 | |||
122 | $test eax, eax |
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123 | $jz error_close |
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124 | $mov img_data, eax |
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125 | //invoke file.read, [fh], eax, [img_data_len] |
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126 | file_read stdcall (fh, EAX, img_data_len); |
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127 | $cmp eax, -1 |
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128 | $jz error_close |
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129 | $cmp eax, img_data_len |
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130 | $jnz error_close |
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131 | //invoke file.close, [fh] |
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132 | file_close stdcall (fh); |
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133 | $inc eax |
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134 | $jz error_ |
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135 | //; img.decode checks for img.is_img |
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136 | //; //invoke img.is_img, [img_data], [img_data_len] |
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137 | //; $or eax, eax |
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138 | //; $jz exit |
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139 | //invoke img.decode, [img_data], [img_data_len], 0 |
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140 | EAX=img_data; |
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141 | img_decode stdcall (EAX, img_data_len,0); |
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142 | $or eax, eax |
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143 | $jz error_ |
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144 | $cmp image, 0 |
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145 | $pushf |
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146 | $mov image, eax |
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147 | //call init_frame |
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148 | $popf |
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149 | //call update_image_sizes |
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150 | mem_Free(img_data);//free_img_data(img_data); |
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151 | $clc |
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152 | return image; |
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153 | |||
154 | @error_free: |
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155 | //invoke img.destroy, [image] |
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156 | img_destroy stdcall (image); |
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157 | $jmp error_ |
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158 | |||
159 | @error_pop: |
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160 | $pop eax |
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161 | $jmp error_ |
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162 | @error_close: |
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163 | //invoke file.close, [fh] |
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164 | file_close stdcall (fh); |
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165 | @error_: |
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166 | mem_Free(img_data); |
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167 | $stc |
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168 | return 0; |
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169 | } |
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5598 | pavelyakov | 170 | |
6978 | leency | 171 | void DrawLibImage(dword image_pointer,x,y,w,h,offx,offy) { |
172 | img_draw stdcall ( |
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173 | image_pointer, |
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174 | x, |
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175 | y, |
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176 | w, |
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177 | h, |
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178 | offx, |
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179 | offy |
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180 | ); |
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181 | } |
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182 | |||
7190 | leency | 183 | dword create_image(dword type, dword width, dword height) { |
184 | img_create stdcall(width, height, type); |
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185 | return EAX; |
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186 | } |
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187 | |||
188 | // size - output parameter, error code / the size of encoded data |
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189 | dword encode_image(dword image_ptr, dword options, dword specific_options, dword* size) { |
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190 | img_encode stdcall(image_ptr, options, specific_options); |
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191 | ESDWORD[size] = ECX; |
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192 | |||
193 | return EAX; |
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194 | } |
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195 | |||
5598 | pavelyakov | 196 | #endif |