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kolibrios/programs/media/imgview/main.cpp
Kirill Lipatov (Leency) aef7c5284b imgview 0.08
git-svn-id: svn://kolibrios.org@958 a494cfbc-eb01-0410-851d-a64ba20cac60
2008-12-13 23:11:59 +00:00

575 lines
18 KiB
C++

#include "kosSyst.h"
#include "gfx.cpp"
#include "dlgopen.h"
#include "formats\pcx.h"
#include "formats\bmp.h"
#include "formats\tga.h"
#define btn_open 10
#define btn_prev 11
#define btn_next 12
#define btn_fit 13
#define scrl_up 30
#define scrl_down 31
#define scrl_left 32
#define scrl_right 33
char params[2048] = "PARAM";
const char header[] = "ImageView v 0.08";
int image_opened=0;
Byte* image_buffer=NULL; // Ïîëíîå RAW-Èçîáðàæåíèå
Byte* img_cuted=NULL; // Óñå÷åííîå RAW-èçîáðàæåíèå (èñïîëüçóåòñÿ ïðè ïðîêðóòêå èëè ìàñøòàáèðîâàíèè)
Byte* cur_files=NULL; // Áóôåð äëÿ îáùåãî ñïèñêà ôàéëîâ òåêóùåé ïàïêè
Word* img_files=NULL; // Óêàçàòåëü ìàññèâ ñî ñïèñîê ãðàô.ôàéëîâ â òåêóùåé ïàïêå
Dword cnt_imgfiles; // Êîëè÷åñòâî ýëåìåíòîâ ìàññèâà img_files[]
Dword cur_image; // Íîìåð òåêóùåãî èçîáðàæåíèÿ â ìàññèâå
char cur_folder[512]; // Ïóòü ê òåêóùåé ïàïêå ñ / íà êîíöå
Dword image_width;
Dword image_height;
Dword old_status_size=0;
char szStatus[256];
bool scale=0;
sProcessInfo proc;
Dword img_area_left,img_area_top,img_area_width,img_area_height;
int vscrl_max=100,vscrl_value=0,vscrl_coord_x,vscrl_coord_y,vscrl_coord_min,vscrl_coord_max,vscrl_using=0;
int hscrl_max=100,hscrl_value=0,hscrl_coord_x,hscrl_coord_y,hscrl_coord_min,hscrl_coord_max,hscrl_using=0;
Dword width_old,height_old;
/* Âûðåçàåò êâàäðàò èç èçîáðàæåíèÿ ïî êîîðäèíàòàì*/
void GetRectImage(Byte* src, Byte* dst, Dword left,Dword top,Dword width,Dword height)
{
int x,y;
int pImgS,pImgD=0;
for(y=top;y<top+height;y++)
{
for(x=left;x<left+width;x++)
{
pImgS=y*image_width*3+x*3;
*(dst+pImgD+0)=*(src+pImgS+0);
*(dst+pImgD+1)=*(src+pImgS+1);
*(dst+pImgD+2)=*(src+pImgS+2);
pImgD=pImgD+3;
}
}
}
/* Ðàñòÿãèâàåò èçîáðàæåíèå â ìåíüøóþ ñòîðîíó (èíà÷å íóæíî âûäåëÿòü áîëüøå ïàìÿòè ïîä img_cuted) */
void ResizeImage(Byte* src, Byte* dst, Dword new_width,Dword new_height)
{
int x,y,src_y,src_x;
int pImgS,pImgD=0;
for(y=0;y<new_height;y++)
{
for(x=0;x<new_width;x++)
{
__asm
{
finit
fild image_width
fidiv new_width
fild x
fmul st(0),st(1)
fistp src_x
fild image_height
fidiv new_height
fild y
fmul st(0),st(1)
fistp src_y
}
pImgS=src_y*image_width*3+src_x*3;
pImgD=y*new_width*3+x*3;
*(dst+pImgD+0)=*(src+pImgS+0);
*(dst+pImgD+1)=*(src+pImgS+1);
*(dst+pImgD+2)=*(src+pImgS+2);
}
}
}
void set_vscroll_values(Dword max, Dword value)
{
vscrl_max=max;
vscrl_value=value;
kos_DrawBar(vscrl_coord_x,vscrl_coord_y,15,35,0xDADADA);
vscrl_coord_y=vscrl_coord_min+((value*(vscrl_coord_max-vscrl_coord_min-35))/vscrl_max);
kos_PutImage(scroll_v,15,35,vscrl_coord_x,vscrl_coord_y);
}
void set_hscroll_values(Dword max, Dword value)
{
hscrl_max=max;
hscrl_value=value;
kos_DrawBar(hscrl_coord_x,hscrl_coord_y,35,15,0xDADADA);
hscrl_coord_x=hscrl_coord_min+((value*(hscrl_coord_max-hscrl_coord_min-35))/hscrl_max);
kos_PutImage(scroll_h,35,15,hscrl_coord_x,hscrl_coord_y);
}
void draw_image()
{
Dword new_width,new_height,scale_left,scale_top;
if (!image_opened) return;
if (scale==0)
{
/* Çäåñü âûâîä èçîáðàæåíèÿ ñ èñïîëüçîâàíèåì ïîëîñ ïðîêðóòêè */
new_width = image_width <= img_area_width ? image_width : img_area_width;
new_height = image_height <= img_area_height ? image_height : img_area_height;
GetRectImage(image_buffer, img_cuted, hscrl_value, vscrl_value, new_width, new_height);
kos_PutImage((RGB*)img_cuted, new_width, new_height, img_area_left,img_area_top);
} else {
/* Çäåñü âûâîä èçîáðàæåíèÿ ñ èñïîëüçîâàíèåì ìàñøòàáèðîâàíèÿ, ñîõðàíÿÿ ïðîïîðöèè */
__asm
{
finit
fild img_area_width
fidiv image_width
fild image_width
fmul st(0),st(1)
fistp new_width
fild image_height
fmul st(0),st(1)
fistp new_height
}
if (img_area_height<new_height)
{
__asm
{
finit
fild img_area_height
fidiv image_height
fild image_width
fmul st(0),st(1)
fistp new_width
fild image_height
fmul st(0),st(1)
fistp new_height
}
}
/* ýòî â ñëó÷àå íå ïðîïîðöèîíàëüíîãî ìàñøòàáèðîâàíèÿ */
//new_width=img_area_width;
//new_height=img_area_height;
if (new_width>image_width) new_width=image_width;
if (new_height>image_height) new_height=image_height;
ResizeImage(image_buffer,img_cuted,new_width,new_height);
/* Öåíòðèðîâàíèå èçîáðàæåíèÿ */
scale_left=(img_area_width/2)-(new_width/2);
scale_top=(img_area_height/2)-(new_height/2);
kos_PutImage((RGB*)img_cuted,new_width,new_height,img_area_left+scale_left,img_area_top+scale_top);
}
}
void draw_window(void)
{
kos_WindowRedrawStatus(1);
kos_DefineAndDrawWindow(0,0,450,350,0x33,0xEFEBEF,0,0,(Dword)header);
//ToolBar
//open
kos_DefineButton(2,4,20,20,btn_open+0x40000000,0xEFEBEF);
kos_PutImage(tbOpen,21,21,2,4);
//prev
kos_DefineButton(25,4,20,20,btn_prev+0x40000000,0xEFEBEF);
kos_PutImage(tbPrev,21,21,25,4);
//next
kos_DefineButton(48,4,20,20,btn_next+0x40000000,0xEFEBEF);
kos_PutImage(tbNext,21,21,48,4);
//fit image
kos_DefineButton(71,4,20,20,btn_fit+0x40000000,0xEFEBEF);
kos_PutImage(tbFit,21,21,71,4);
//Lines
kos_ProcessInfo(&proc,-1);
kos_DrawBar(2,30,proc.processInfo.work_width-3,1,0x94AECE);
//Scroll controls
//vertical scroll bar
vscrl_coord_x=proc.processInfo.work_width-16;
vscrl_coord_max=proc.processInfo.work_height-46;
kos_DrawBar(proc.processInfo.work_width-16,33,15,proc.processInfo.work_height-79,0xDADADA);
kos_DefineButton(proc.processInfo.work_width-16,33,14,14,scrl_up+0x40000000,0xEFEBEF);
kos_DefineButton(proc.processInfo.work_width-16,proc.processInfo.work_height-46,14,14,scrl_down+0x40000000,0xEFEBEF);
kos_PutImage(arrow_up,15,15,proc.processInfo.work_width-16,33);
kos_PutImage(arrow_down,15,15,proc.processInfo.work_width-16,proc.processInfo.work_height-46);
kos_PutImage(scroll_v,15,35,vscrl_coord_x,vscrl_coord_y);
//horisontal scroll bar
hscrl_coord_y=proc.processInfo.work_height-31;
hscrl_coord_max=proc.processInfo.work_width-31;
kos_DrawBar(2,proc.processInfo.work_height-31,proc.processInfo.work_width-18,15,0xDADADA);
kos_DefineButton(2,proc.processInfo.work_height-31,14,14,scrl_left+0x40000000,0xEFEBEF);
kos_DefineButton(proc.processInfo.work_width-31,proc.processInfo.work_height-31,14,14,scrl_right+0x40000000,0xEFEBEF);
kos_PutImage(arrow_left,15,15,2,proc.processInfo.work_height-31);
kos_PutImage(arrow_right,15,15,proc.processInfo.work_width-31,proc.processInfo.work_height-31);
kos_PutImage(scroll_h,35,15,hscrl_coord_x,hscrl_coord_y);
img_area_left=2;
img_area_top=33;
img_area_width=proc.processInfo.work_width-img_area_left-3-16;
img_area_height=proc.processInfo.work_height-img_area_top-3-16-15;
kos_WriteTextToWindow(2,proc.processInfo.work_height-12, 0x80, 0, szStatus, 0);
if (img_area_width<image_width) set_hscroll_values(image_width-img_area_width,0); else set_hscroll_values(1,0);
if (img_area_height<image_height) set_vscroll_values(image_height-img_area_height,0); else set_vscroll_values(1,0);
draw_image();
kos_WindowRedrawStatus(2);
}
void LoadPCX(Byte* filebuff, Dword filesize)
{
PCXFile pcx;
if (!pcx.LoadPCXFile(filebuff,filesize))
{
image_opened=1;
image_buffer=pcx.buffer;
image_width=pcx.width;
image_height=pcx.height;
} else {
image_opened=0;
}
}
void LoadBMP(Byte* filebuff, Dword filesize)
{
BMPFile bmp;
if (!bmp.LoadBMPFile(filebuff,filesize))
{
image_opened=1;
image_buffer=bmp.buffer;
image_width=bmp.width;
image_height=bmp.height;
} else {
image_opened=0;
}
}
void LoadTGA(Byte* filebuff, Dword filesize)
{
TGAFile tga;
if (!tga.LoadTGAFile(filebuff,filesize))
{
image_opened=1;
image_buffer=tga.buffer;
image_width=tga.width;
image_height=tga.height;
} else {
image_opened=0;
}
}
//Çàãðóçèòü ñïèñîê ôàéëîâ, ïîääåðæèâàåìûõ ïðîãðàììîé èç ïàïêè ñ òåêóùèì ôàéëîì
void load_folder(char* imgfile)
{
kosFileInfo fi;
char* cPtr;
int i;
// Èçâëå÷åì èìÿ ïàïêè
strcpy(fi.fileURL, imgfile);
cPtr=strrchr(fi.fileURL,'/');
cPtr[1]=0;
strcpy(cur_folder,fi.fileURL);
if (cur_files) { kos_FreeMemory(cur_files); cur_files=NULL;}
if (img_files) { kos_FreeMemory((Byte*)img_files); img_files=NULL;}
/* Âûäåëèì ïàìÿòü ïîä ôàéë */
cur_files = kos_GetMemory(65536);
fi.rwMode = 1;
fi.OffsetLow = 0;
fi.OffsetHigh = 0;
fi.dataCount = 65536;
fi.bufferPtr = cur_files;
int state = kos_FileSystemAccess(&fi);
if (state!=0 && state!=6) {kos_FreeMemory(cur_files); cur_files=NULL; return;}
Dword file_count=*(cur_files+8);
img_files = (Word*)kos_GetMemory(4*file_count);
char* image_name;
cnt_imgfiles=0;
cur_image=-1;
lcase(imgfile);
for(i=0;i<file_count;i++)
{
image_name=(char*)cur_files+32+i*304+40;
lcase(image_name);
cPtr=strrchr(image_name,'.');
if (strcmp((char*)cPtr,".bmp") || strcmp((char*)cPtr,".pcx") || strcmp((char*)cPtr,".tga"))
{
cPtr=strrchr(imgfile,'/');
if (strcmp(cPtr+1,image_name)) cur_image=cnt_imgfiles;
((Word*)img_files)[cnt_imgfiles]=i;
cnt_imgfiles++;
}
}
cnt_imgfiles--;
}
void open_imgfile(char* imgfile)
{
Word scr_left,scr_top,scr_right,scr_bot;
Word win_width,win_height;
Dword skin_height;
kosFileInfo fi;
Dword file_size;
Byte* filebuff;
Byte* infoBuf;
/* Âû÷èñëèì ðàçìåð ôàéëà */
infoBuf = kos_GetMemory(40); /* Áóôåð äëÿ èíôî-ñòðóêòóðû */
fi.rwMode = 5;
fi.OffsetLow = 0;
fi.OffsetHigh = 0;
fi.dataCount = 0;
fi.bufferPtr = infoBuf;
strcpy(fi.fileURL, imgfile);
if (kos_FileSystemAccess(&fi)) { kos_FreeMemory(infoBuf); return;}
file_size=*(Dword*)(infoBuf+32);
kos_FreeMemory(infoBuf);
/* Âûäåëèì ïàìÿòü ïîä ôàéë */
filebuff = kos_GetMemory(file_size);
fi.rwMode = 0;
fi.OffsetLow = 0;
fi.OffsetHigh = 0;
fi.dataCount = file_size;
fi.bufferPtr = filebuff;
strcpy(fi.fileURL, imgfile);
if (kos_FileSystemAccess(&fi)) { kos_FreeMemory(filebuff); return;}
/* Îïðåäåëÿåì òèï ôàéëà */
//lcase(imgfile); óæå â íèæíåì ðåãèñòðå: ýòî âûïîëíÿåòñÿ â load_folder
char* cPtr;
cPtr=strrchr(imgfile,'.');
if (strcmp((char*)cPtr,".bmp")) LoadBMP(filebuff,file_size);
if (strcmp((char*)cPtr,".pcx")) LoadPCX(filebuff,file_size);
if (strcmp((char*)cPtr,".tga")) LoadTGA(filebuff,file_size);
cPtr=strrchr(imgfile,'/')+1;
if (image_opened)
{
sprintf(szStatus,"” ©« %S... [%U/%U]",cPtr,cur_image+1,cnt_imgfiles+1);
__asm
{
mov eax,48
mov ebx,5
int 40h
mov scr_right,ax
shr eax,16
mov scr_bot,bx
shr ebx,16
mov scr_left,ax
mov scr_top,bx
mov eax,48
mov ebx,4
int 40h
mov skin_height,eax
}
if (scr_right-scr_left+1>image_width) win_width=image_width+img_area_left+3+16+10; else win_width=scr_right-scr_left+1;
if (scr_bot-scr_top+1>image_height) win_height=image_height+img_area_top+3+16+15+5+skin_height; else win_height=scr_bot-scr_top+1;
if (win_width<150) win_width=150;
if (win_height<160) win_height=160;
img_cuted=kos_GetMemory(image_width*image_height*3);
kos_ChangeWindow(scr_left,scr_top,win_width,win_height);
if (img_area_width<image_width) set_hscroll_values(image_width-img_area_width,0); else set_hscroll_values(1,0);
if (img_area_height<image_height) set_vscroll_values(image_height-img_area_height,0); else set_vscroll_values(1,0);
} else {
sprintf(szStatus,"” ©« %S ­¥ § £à㦥­. ”®à¬ â ­¥ ¯®¤¤¥à¦¨¢ ¥âáï.",cPtr);
}
draw_window();
kos_FreeMemory(filebuff);
}
void show_dlg()
{
char* imgfile;
imgfile=DialogOpenFile(&draw_window);
if (!imgfile) return;
load_folder(imgfile);
//Åñëè ôàéë óæå áûë îòêðûò...
if (image_opened)
{
image_opened=0;
kos_FreeMemory(image_buffer); image_buffer=NULL;
kos_FreeMemory(img_cuted); img_cuted=NULL;
}
open_imgfile(imgfile);
}
void kos_Main()
{
Dword btnID;
Byte keyCode;
Dword mButton;
int mX,mXOld;
int mY,mYOld;
char label1[100];
/* Èíèöèàëèçàöèÿ êó÷è ïðîöåññà */
__asm
{
mov eax,68
mov ebx,11
int 40h
}
vscrl_coord_min=vscrl_coord_y=33+15;
hscrl_coord_min=hscrl_coord_x=2+15;
strcpy(szStatus,"” ©« ­¥ § £à㦥­");
draw_window();
if (params[0]!='P') {load_folder(params); open_imgfile(params);}
kos_SetMaskForEvents(0x27);
for (;;)
{
switch (kos_WaitForEvent(10))
{
case 1:
draw_window();
break;
case 2:
kos_GetKey(keyCode);
break;
case 3:
kos_GetButtonID(btnID);
switch (btnID)
{
case 1:
//Îñâîáîäèì ïàìÿòü
if (image_buffer) kos_FreeMemory(image_buffer);
if (img_cuted) kos_FreeMemory(img_cuted);
if (cur_files) kos_FreeMemory(cur_files);
if (img_files) kos_FreeMemory((Byte*)img_files);
kos_ExitApp();
break;
case btn_open:
show_dlg();
break;
//Èñïîëüçóåì óæå íå íóæíûé íàì params
case btn_prev:
if (!cur_files) break;
if (!cur_image) cur_image=cnt_imgfiles; else cur_image--;
strcpy(params,cur_folder);
strcpy(params+strlen(cur_folder),(char*)cur_files+32+((Word*)img_files)[cur_image]*304+40);
open_imgfile(params);
break;
case btn_next:
if (!cur_files) break;
if (cur_image==cnt_imgfiles) cur_image=0; else cur_image++;
strcpy(params,cur_folder);
strcpy(params+strlen(cur_folder),(char*)cur_files+32+((Word*)img_files)[cur_image]*304+40);
open_imgfile(params);
break;
/*
case scrl_up:
if (vscrl_max==1 || vscrl_coord_y<=vscrl_coord_min) break;
set_vscroll_values(vscrl_max, ((vscrl_coord_y - 2 - vscrl_coord_min) * vscrl_max) / (vscrl_coord_max - vscrl_coord_min - 35));
break;
case scrl_down:
if (vscrl_max == 1 || vscrl_coord_y >= vscrl_coord_max) break;
set_vscroll_values(vscrl_max, ((vscrl_coord_y + 2 - vscrl_coord_min) * vscrl_max) / (vscrl_coord_max - vscrl_coord_min - 35));
break;
*/
case btn_fit:
scale = scale ? 0 : 1;
draw_window();
break;
}
break;
case 6:
default:
kos_GetMouseState(mButton,mX,mY);
//Âåðòèêàëüíàÿ ïðîêðóòêà
if (mButton==1)
{
if (vscrl_using)
{
kos_DrawBar(vscrl_coord_x,vscrl_coord_y,15,35,0xDADADA);
if (vscrl_coord_y+mY-mYOld<vscrl_coord_min)
{
vscrl_value=0;
vscrl_coord_y=vscrl_coord_min;
} else if (vscrl_coord_y+35+mY-mYOld>vscrl_coord_max) {
vscrl_value=vscrl_max;
vscrl_coord_y=vscrl_coord_max-35;
} else {
vscrl_value=(((vscrl_coord_y-vscrl_coord_min)*vscrl_max)/(vscrl_coord_max-vscrl_coord_min-35));
vscrl_coord_y=vscrl_coord_y+mY-mYOld;
mYOld=mY;
}
kos_PutImage(scroll_v,15,35,vscrl_coord_x,vscrl_coord_y);
draw_image();
} else {
if (mY>=vscrl_coord_y && mY<=vscrl_coord_y+35 && mX>=vscrl_coord_x && mX<=vscrl_coord_x+15)
{
vscrl_using=1;
mYOld=mY;
}
}
} else if(mButton==0) {
if (vscrl_using) {vscrl_using=0; draw_image();}
}
//Ãîðèçîíòàëüíàÿ ïðîêðóòêà
if (mButton==1)
{
if (hscrl_using)
{
kos_DrawBar(hscrl_coord_x,hscrl_coord_y,35,15,0xDADADA);
if (hscrl_coord_x+mX-mXOld<hscrl_coord_min)
{
hscrl_value=0;
hscrl_coord_x=hscrl_coord_min;
} else if (hscrl_coord_x+35+mX-mXOld>hscrl_coord_max) {
hscrl_value=hscrl_max;
hscrl_coord_x=hscrl_coord_max-35;
} else {
hscrl_value=(((hscrl_coord_x-hscrl_coord_min)*hscrl_max)/(hscrl_coord_max-hscrl_coord_min-35));
hscrl_coord_x=hscrl_coord_x+mX-mXOld;
mXOld=mX;
}
kos_PutImage(scroll_h,35,15,hscrl_coord_x,hscrl_coord_y);
draw_image();
} else {
if (mX>=hscrl_coord_x && mX<=hscrl_coord_x+35 && mY>=hscrl_coord_y && mY<=hscrl_coord_y+15)
{
hscrl_using=1;
mXOld=mX;
}
}
} else if(mButton==0) {
if (hscrl_using) {hscrl_using=0; draw_image();}
}
break;
}
}
}