forked from KolibriOS/kolibrios
libimg:
introduce img.convert + example update tga decoder img.to_rgb and img.to_rgb2 are deprecated git-svn-id: svn://kolibrios.org@3055 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
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5a0f87bd4c
commit
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@ -75,8 +75,8 @@ START:
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dec ecx
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jnz @b
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stdcall [img.encode], [image_to_rgb2], (LIBIMG_FORMAT_ID_PNM), 0
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; stdcall [img.encode], [image_initial], (LIBIMG_FORMAT_ID_PNM), 0
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stdcall [img.encode], [image_to_rgb2], (LIBIMG_FORMAT_PNM), 0
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; stdcall [img.encode], [image_initial], (LIBIMG_FORMAT_PNM), 0
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test eax, eax
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jz exit
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mov [encoded_file], eax
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BIN
programs/develop/libraries/libs-dev/.test/005/kolibri_logo.jpg
Normal file
BIN
programs/develop/libraries/libs-dev/.test/005/kolibri_logo.jpg
Normal file
Binary file not shown.
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After Width: | Height: | Size: 17 KiB |
184
programs/develop/libraries/libs-dev/.test/005/test005.asm
Normal file
184
programs/develop/libraries/libs-dev/.test/005/test005.asm
Normal file
@ -0,0 +1,184 @@
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use32
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org 0x0
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db 'MENUET01'
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dd 0x01, START, I_END, E_END, E_END, 0, 0
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;-----------------------------------------------------------------------------
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include '../../../../../proc32.inc'
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include '../../../../../macros.inc'
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include '../../../../../dll.inc'
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;include '../../../../../debug.inc'
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include '../../libio/libio.inc'
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include '../../libimg/libimg.inc'
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;-----------------------------------------------------------------------------
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START:
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mcall 68, 11
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stdcall dll.Load, @IMPORT
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or eax, eax
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jnz exit
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invoke file.open, input_file, O_READ
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or eax, eax
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jz exit
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mov [fh], eax
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invoke file.size, input_file
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mov [img_data_len], ebx
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stdcall mem.Alloc, ebx
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or eax, eax
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jz exit
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mov [img_data], eax
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invoke file.read, [fh], eax, [img_data_len]
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cmp eax, -1
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je exit
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cmp eax, [img_data_len]
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jne exit
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invoke file.close, [fh]
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inc eax
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jz exit
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invoke img.decode, [img_data], [img_data_len], 0
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or eax, eax
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jz exit
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mov [image_initial], eax
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;pushfd
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;pushad
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;mov ebx, [image_initial]
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;debug_print_dec dword[ebx + Image.Type]
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;newline
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;popad
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;popfd
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stdcall mem.Free, [img_data]
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test eax, eax
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jz exit
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invoke img.convert, [image_initial], 0, Image.bpp8g, 0, 0
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test eax, eax
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jz exit
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mov [image_converted], eax
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invoke img.destroy, [image_initial]
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mov ebx, [image_converted]
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mov eax, [ebx + Image.Width]
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add eax, 200*0x10000 + 5*2 - 1 ; window x position + 10 pixels width for skin borders
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mov [window_width], eax
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mcall 48, 4 ; get skin height
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mov ebx, [image_converted]
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add eax, [ebx + Image.Height]
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add eax, 100*0x10000 + 5 - 1 ; window y position + 5 pixels height for skin bottom border
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mov [window_height], eax
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;-----------------------------------------------------------------------------
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still:
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mcall 10
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cmp eax, 1
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je .draw_window
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cmp eax, 2
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je .key
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cmp eax, 3
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je .button
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jmp still
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.draw_window:
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mcall 12, 1
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mcall 0, [window_width], [window_height], 0x74FFFFFF, 0x00000000, window_title
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call draw_image
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mcall 12, 2
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jmp still
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.key:
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mcall 2
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jmp still
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.button:
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mcall 17
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shr eax, 8
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cmp eax, 1
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jne still
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exit:
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invoke img.destroy, [image_converted]
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mcall -1
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proc draw_image
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mov ebx, [image_converted]
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invoke img.draw, ebx, 0, 0, [ebx + Image.Width], [ebx + Image.Height], 0, 0
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ret
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endp
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;-----------------------------------------------------------------------------
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window_title db 'img.convert example',0
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input_file:
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db '/hd0/1/kolibri_logo.jpg',0
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; db '/hd0/1/tga/CTC16.TGA',0
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; db '/hd0/1/indexed_packbits_le_test_00.tiff',0
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; db '/hd0/1/graya_123x123.tiff',0
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; db '/hd0/1/bilevel_00.wbmp',0
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; db '/hd0/1/rgb_af.jpg',0
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; db '/hd0/1/gray_5x7.tiff',0
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; db '/hd0/1/rgb_lzw_le_2x2.tiff',0
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; db '/hd0/1/grayscale_123x123.tiff',0
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; db '/hd0/1/grayscale_357x357.tiff',0
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; db '/hd0/1/grayscale_620x620.tiff',0
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; db '/hd0/1/rgb_220.jpg',0
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; db '/hd0/1/rgba_217.tiff',0
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; db '/hd0/1/rgb_7x9.tiff',0
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; db '/hd0/1/rgba_7x9.tiff',0
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; db '/hd0/1/gray_7x9.tiff',0
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; db '/hd0/1/rgb_70x90.png',0
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;-----------------------------------------------------------------------------
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align 4
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@IMPORT:
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library \
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libio , 'libio.obj' , \
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libimg , 'libimg.obj'
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import libio , \
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libio.init , 'lib_init' , \
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file.size , 'file_size' , \
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file.open , 'file_open' , \
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file.read , 'file_read' , \
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file.close , 'file_close'
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import libimg , \
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libimg.init , 'lib_init' , \
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img.decode , 'img_decode' , \
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img.destroy , 'img_destroy' , \
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img.draw , 'img_draw' , \
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img.convert , 'img_convert' , \
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img.types_table , 'img_types_table'
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;-----------------------------------------------------------------------------
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I_END:
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fh dd ?
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img_data_len dd ?
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img_data dd ?
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image_initial dd ?
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image_converted dd ?
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window_width dd ?
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window_height dd ?
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rd 0x1000 ; stack
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E_END:
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@ -47,7 +47,7 @@ include 'pnm/pnm.asm'
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include 'wbmp/wbmp.asm'
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include 'scale.asm'
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;include 'convert.asm'
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include 'convert.asm'
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;include 'transform.asm'
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;;================================================================================================;;
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@ -1929,6 +1929,18 @@ img.formats_table:
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.z80 dd LIBIMG_FORMAT_Z80, img.is.z80, img.decode.z80, img.encode.z80, 0 ;this must be the last entry as there are no signatures in z80 screens at all
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dd 0
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align 4
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img.types_table: ; entries order must correspond to type defnitions in libimg.inc
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dd 0 ; there is no Image.bpp* = 0
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.bpp8i dd (1 SHL Image.bpp24)
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.bpp24 dd (1 SHL Image.bpp24) OR (1 SHL Image.bpp8g)
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.bpp32 dd (1 SHL Image.bpp24)
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.bpp15 dd (1 SHL Image.bpp24)
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.bpp16 dd (1 SHL Image.bpp24)
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.bpp1 dd (1 SHL Image.bpp24)
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.bpp8g dd (1 SHL Image.bpp24) OR (1 SHL Image.bpp1 )
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.bpp8a dd (1 SHL Image.bpp24)
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;;================================================================================================;;
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;;////////////////////////////////////////////////////////////////////////////////////////////////;;
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;;================================================================================================;;
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@ -2206,6 +2218,7 @@ export \
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img.rotate.layer , 'img_rotate_layer' , \
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img.draw , 'img_draw' , \
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img.scale , 'img_scale' , \
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img.convert , 'img_convert' , \
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img.formats_table, 'img_formats_table'
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; import from deflate unpacker
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@ -67,7 +67,7 @@ LIBIMG_ENCODE_DELETE_ALPHA = 0x08
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LIBIMG_ENCODE_FLUSH_ALPHA = 0x10
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; convert flags
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LIBIMG_CONVERT_IN_PLACE = 0x01 ; do not create new image, store result in _src
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; TBD
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struct FormatsTableEntry
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Format_id dd ?
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@ -1,5 +1,5 @@
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;;================================================================================================;;
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;;//// tga.asm //// (c) Nable, 2007-2008 /////////////////////////////////////////////////////////;;
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;;//// tga.asm //// (c) Nable, 2007-2008, (c) dunkaist, 2012 /////////////////////////////////////;;
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;;================================================================================================;;
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;; ;;
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;; This file is part of Common development libraries (Libs-Dev). ;;
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@ -19,6 +19,8 @@
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;; ;;
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;; References: ;;
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;; 1. Hiview 1.2 by Mohammad A. REZAEI ;;
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;; 2. Truevision TGA FILE FORMAT SPECIFICATION Version 2.0 ;;
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;; Technical Manual Version 2.2 January, 1991 ;;
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;; ;;
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;;================================================================================================;;
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@ -37,33 +39,36 @@ proc img.is.tga _data, _length ;////////////////////////////////////////////////
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push ebx
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cmp [_length], 18
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jbe .nope
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mov eax, [_data]
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mov ebx,[eax+1] ;bl=cmatype,bh=subtype
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cmp bl,1 ;cmatype is in [0..1]
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mov ebx, [_data]
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mov eax, dword[ebx + tga_header.colormap_type]
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cmp al, 1
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ja .nope
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cmp bh,11 ;subtype is in [1..3] (non-rle) or in [9..11] (rle)
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cmp ah, 11
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ja .nope
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cmp bh,9
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cmp ah, 9
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jae .cont1
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cmp bh,3
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cmp ah, 3
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ja .nope
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.cont1: ;continue testing
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mov ebx,[eax+16] ;bl=bpp, bh=flags //image descriptor
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test ebx,111b ;bpp must be 8, 15, 16, 24 or 32
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.cont1:
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mov eax, dword[ebx + tga_header.image_spec.depth]
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test eax, 111b ; bpp must be 8, 15, 16, 24 or 32
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jnz .maybe15
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shr bl,3
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cmp bl,4
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shr al, 3
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cmp al, 4
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ja .nope
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jmp .cont2
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.maybe15:
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cmp bl,15
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cmp al, 15
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jne .nope
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.cont2: ; continue testing
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test bh,tga.flags.interlace_type ;deinterlacing is not supported yet
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jnz .nope
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cmp byte[eax+7],24 ;test palette bpp - only 24 and 32 are supported
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movzx eax, byte[ebx + tga_header.colormap_spec.entry_size] ; palette bpp
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cmp eax, 0
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je .yep
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cmp byte[eax+7],32 ;test palette bpp - only 24 and 32 are supported
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cmp eax, 16
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je .yep
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cmp eax, 24
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je .yep
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cmp eax, 32
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je .yep
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.nope:
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xor eax, eax
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@ -88,131 +93,167 @@ proc img.decode.tga _data, _length, _options ;//////////////////////////////////
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;< eax = 0 (error) or pointer to image ;;
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;;================================================================================================;;
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locals
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IMGwidth dd ?
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IMGheight dd ?
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IMGbpp dd ?
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DupPixelCount dd ?
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TgaBlockCount dd ?
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width dd ?
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height dd ?
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bytes_per_pixel dd ?
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retvalue dd ?
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endl
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pushad
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cld ;paranoia
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and [DupPixelCount],0 ;prepare variables
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and [TgaBlockCount],0 ;prepare variables
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mov eax,[_data]
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movzx esi,byte[eax]
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lea esi,[esi+eax+18] ;skip comment and header
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mov ebx,[eax+12]
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movzx ecx,bx ;ecx=width
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shr ebx,16 ;ebx=height
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mov [IMGwidth],ecx
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mov [IMGheight],ebx
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movzx edx,byte[eax+16]
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cmp edx,16
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jnz @f
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dec edx ;16bpp tga images are really 15bpp ARGB
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push ebx esi edi
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mov ebx, [_data]
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movzx esi, byte[ebx]
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lea esi, [esi + ebx + sizeof.tga_header] ; skip comment and header
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mov edx, dword[ebx + tga_header.image_spec.width]
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movzx ecx, dx ; ecx = width
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shr edx, 16 ; edx = height
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mov [width], ecx
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mov [height], edx
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movzx eax, byte[ebx + tga_header.image_spec.depth]
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add eax, 7
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shr eax, 3
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mov [bytes_per_pixel], eax
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movzx eax, byte[ebx + tga_header.image_spec.depth]
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cmp eax, 8
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jne @f
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mov eax, Image.bpp8i
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jmp .type_defined
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@@:
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sub edx, 16 - Image.bpp16 ; 15 -> Image.bpp15, 16 -> Image.bpp16
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mov [IMGbpp],edx
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stdcall img.create,ecx,ebx,edx
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mov [esp+28],eax ;save return value
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cmp eax, 15
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jne @f
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mov eax, Image.bpp15
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jmp .type_defined
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@@:
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cmp eax, 16
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jne @f
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mov eax, Image.bpp15 ; 16bpp tga images are really 15bpp ARGB
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jmp .type_defined
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@@:
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cmp eax, 24
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jne @f
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mov eax, Image.bpp24
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jmp .type_defined
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@@:
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cmp eax, 32
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jne @f
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mov eax, Image.bpp32
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jmp .type_defined
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@@:
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.type_defined:
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stdcall img.create, ecx, edx, eax
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mov [retvalue], eax
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test eax, eax ; failed to allocate?
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jz .locret ;then exit
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cmp edx,8
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jz .done ; then exit
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mov ebx, eax
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cmp dword[ebx + Image.Type], Image.bpp8i
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jne .palette_parsed
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mov edi,[eax+Image.Palette]
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mov edi, [ebx + Image.Palette]
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mov ecx, [_data]
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cmp byte[ecx+2],3 ;we also have grayscale subtype
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cmp byte[ecx + tga_header.image_type], 3 ; we also have grayscale subtype
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jz .write_grayscale_palette ; that don't hold palette in file
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cmp byte[ecx+2],11
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cmp byte[ecx + tga_header.image_type], 11
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jz .write_grayscale_palette
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mov dh,[ecx+7] ;size of colormap entries in bits
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movzx ecx,word[ecx+5] ;number of colormap entries
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cmp dh,24
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jz .skip_24bpp_palette ;test if colormap entries are 24bpp
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movzx eax, byte[ecx + tga_header.colormap_spec.entry_size] ; size of colormap entries in bits
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movzx ecx, word[ecx + tga_header.colormap_spec.colormap_length] ; number of colormap entries
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cmp eax, 24
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je .24bpp_palette
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cmp eax, 16
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je .16bpp_palette
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rep movsd ; else they are 32 bpp
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jmp .palette_parsed
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.write_grayscale_palette:
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push eax
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mov ecx, 0x100
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xor eax, eax
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@@:
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stosd
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add eax, 0x010101
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loop @b
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pop eax
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jmp .palette_parsed
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.skip_24bpp_palette:
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push eax
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.16bpp_palette: ; FIXME: code copypasted from img.do_rgb, should use img.convert
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push ebx edx ebp
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@@:
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movzx eax, word[esi]
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mov ebx, eax
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add esi, 2
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and eax, (0x1F) or (0x1F shl 10)
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and ebx, 0x1F shl 5
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lea edx, [eax + eax]
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shr al, 2
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mov ebp, ebx
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shr ebx, 2
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shr ah, 4
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shl dl, 2
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shr ebp, 7
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add eax, edx
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add ebx, ebp
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mov [edi], al
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mov [edi + 1], bl
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mov [edi + 2], ah
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add edi, 4
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loop @b
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pop ebp edx ebx
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jmp .palette_parsed
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.24bpp_palette:
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@@:
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lodsd
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dec esi
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and eax,0xFFFFFF
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; bswap eax
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; shr eax,8
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and eax, 0xffffff
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stosd
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loop @b
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pop eax
|
||||
.palette_parsed:
|
||||
mov edi,[eax+Image.Data]
|
||||
imul ebx,[IMGwidth] ;ebx=width*height
|
||||
|
||||
mov edx,[IMGbpp]
|
||||
add edx,7
|
||||
shr edx,3 ;edx=bytes per pixel
|
||||
mov dh,dl ;dh=dl=bytes per pixel
|
||||
|
||||
mov edi, [ebx + Image.Data]
|
||||
mov ebx, [width]
|
||||
imul ebx, [height]
|
||||
mov edx, [bytes_per_pixel]
|
||||
mov eax, [_data]
|
||||
cmp byte[eax+2],9
|
||||
jb .not_an_rle
|
||||
.tga_read_rle_pixel:
|
||||
cmp [DupPixelCount],0 ;Duplicate previously read pixel?
|
||||
jg .duplicate_previously_read_pixel
|
||||
dec [TgaBlockCount] ;Decrement pixels remaining in block
|
||||
jns .read_non_rle_pixel
|
||||
test byte[eax + tga_header.image_type], 0x08
|
||||
jz .uncompressed
|
||||
.next_rle_packet:
|
||||
xor eax, eax
|
||||
lodsb
|
||||
test al,al ;Start of duplicate-pixel block?
|
||||
jns .2
|
||||
and al,0x7f
|
||||
mov [DupPixelCount],eax ;Number of duplications after this one
|
||||
and [TgaBlockCount],0 ;Then read new block header
|
||||
jmp .read_non_rle_pixel
|
||||
.2:
|
||||
mov dword[TgaBlockCount],eax
|
||||
.read_non_rle_pixel:
|
||||
xor eax,eax
|
||||
mov dl,dh
|
||||
btr ax, 7 ; Run-length packet?
|
||||
jnc .raw_packet
|
||||
add eax, 1
|
||||
sub ebx, eax
|
||||
@@:
|
||||
shl eax,8
|
||||
lodsb
|
||||
dec dl
|
||||
mov ecx, edx
|
||||
rep movsb
|
||||
sub esi, edx
|
||||
sub eax, 1
|
||||
jnz @b
|
||||
cmp dh,3
|
||||
jne .put_pixel
|
||||
bswap eax
|
||||
shr eax,8
|
||||
jmp .put_pixel
|
||||
.duplicate_previously_read_pixel:
|
||||
dec [DupPixelCount]
|
||||
.put_pixel:
|
||||
mov dl,dh
|
||||
push eax
|
||||
@@:
|
||||
stosb
|
||||
shr eax,8
|
||||
dec dl
|
||||
jnz @b
|
||||
pop eax
|
||||
dec ebx
|
||||
jnz .tga_read_rle_pixel
|
||||
jmp .locret
|
||||
.not_an_rle:
|
||||
movzx edx,dl ;dh contains bpp too (for decoding needs)
|
||||
add esi, edx
|
||||
test ebx, ebx
|
||||
jnz .next_rle_packet
|
||||
jmp .done
|
||||
.raw_packet:
|
||||
mov ecx, eax
|
||||
add ecx, 1
|
||||
sub ebx, ecx
|
||||
imul ecx, edx
|
||||
rep movsb
|
||||
test ebx, ebx
|
||||
jnz .next_rle_packet
|
||||
.uncompressed:
|
||||
imul edx, ebx
|
||||
mov ecx, edx
|
||||
rep movsb ;just copy the image
|
||||
.locret:
|
||||
popad
|
||||
rep movsb
|
||||
.done:
|
||||
xor ebx, ebx
|
||||
mov esi, [_data]
|
||||
test byte[esi + tga_header.image_spec.descriptor], TGA_START_TOP
|
||||
jnz @f
|
||||
or ebx, FLIP_VERTICAL
|
||||
@@:
|
||||
test byte[esi + tga_header.image_spec.descriptor], TGA_START_RIGHT
|
||||
jz @f
|
||||
or ebx, FLIP_HORIZONTAL
|
||||
@@:
|
||||
test ebx, ebx
|
||||
jz @f
|
||||
stdcall img.flip, [retvalue], ebx
|
||||
@@:
|
||||
pop edi esi ebx
|
||||
mov eax, [retvalue]
|
||||
ret
|
||||
endp
|
||||
|
||||
@ -230,7 +271,6 @@ proc img.encode.tga _img, _p_length, _options ;/////////////////////////////////
|
||||
ret
|
||||
endp
|
||||
|
||||
|
||||
;;================================================================================================;;
|
||||
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
|
||||
;;================================================================================================;;
|
||||
@ -246,5 +286,3 @@ endp
|
||||
;;================================================================================================;;
|
||||
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
|
||||
;;================================================================================================;;
|
||||
|
||||
;
|
||||
@ -1,5 +1,5 @@
|
||||
;;================================================================================================;;
|
||||
;;//// tga.inc //// (c) Nable, 2007-2008 /////////////////////////////////////////////////////////;;
|
||||
;;//// tga.inc //// (c) Nable, 2007-2008, (c) dunkaist, 2012 /////////////////////////////////////;;
|
||||
;;================================================================================================;;
|
||||
;; ;;
|
||||
;; This file is part of Common development libraries (Libs-Dev). ;;
|
||||
@ -17,19 +17,28 @@
|
||||
;; ;;
|
||||
;;================================================================================================;;
|
||||
|
||||
struct tga.FileHeader
|
||||
CommentLength db ?
|
||||
ColormapType db ?
|
||||
SubType db ?
|
||||
DontKnow1 dw ?
|
||||
ColormapSize dw ?
|
||||
ColormapBpp db ?
|
||||
DontKnow2 dd ?
|
||||
Width dw ?
|
||||
Height dw ?
|
||||
BitPerPixel db ?
|
||||
DontKnow3 db ?
|
||||
struct tga_colormap_spec
|
||||
first_entry_index dw ?
|
||||
colormap_length dw ?
|
||||
entry_size db ?
|
||||
ends
|
||||
|
||||
tga.flags.top_down_row_order equ 32 ;bit5
|
||||
tga.flags.interlace_type equ 192;bits6/7
|
||||
struct tga_image_spec
|
||||
x_origin dw ?
|
||||
y_origin dw ?
|
||||
width dw ?
|
||||
height dw ?
|
||||
depth db ?
|
||||
descriptor db ?
|
||||
ends
|
||||
|
||||
struct tga_header
|
||||
id_length db ?
|
||||
colormap_type db ?
|
||||
image_type db ?
|
||||
colormap_spec tga_colormap_spec
|
||||
image_spec tga_image_spec
|
||||
ends
|
||||
|
||||
TGA_START_TOP = 0x20
|
||||
TGA_START_RIGHT = 0x10
|
||||
|
||||
Loading…
Reference in New Issue
Block a user