Subversion Repositories Kolibri OS

#include 

#define _WIN32

#include "fitz.h"

#include "mupdf.h"

#include "muxps.h"

#include "pdfapp.h"

#include "icons/allbtns.h"

// need to be a part of menuet/os.h

#define BT_DEL      0x80000000

#define BT_HIDE     0x40000000

#define BT_NOFRAME  0x20000000

#define evReDraw  1

#define evKey     2

#define evButton  3

#define evMouse   6

#define evNetwork 8

#define ASCII_KEY_LEFT  176

#define ASCII_KEY_RIGHT 179

#define ASCII_KEY_DOWN  177

#define ASCII_KEY_UP    178

#define ASCII_KEY_HOME  180

#define ASCII_KEY_END   181

#define ASCII_KEY_PGDN  183

#define ASCII_KEY_PGUP  184

#define ASCII_KEY_BS    8

#define ASCII_KEY_TAB   9

#define ASCII_KEY_ENTER 13

#define ASCII_KEY_ESC   27

#define ASCII_KEY_DEL   182

#define ASCII_KEY_INS   185

#define ASCII_KEY_SPACE 032

struct blit_call

{

   int dstx;

   int dsty;

   int w;

   int h;

   int srcx;

   int srcy;

   int srcw;

   int srch;

   unsigned char *d;

   int   stride;

};

void blit(int dstx, int dsty, int w, int h, int srcx, int srcy,int srcw, int srch, int stride, char *d) //Вызов сисфункции Blitter

{

	struct blit_call image;

	image.dstx=dstx;

	image.dsty=dsty;

	image.w=w;

	image.h=h;

	image.srcx=srcx;

	image.srcy=srcy;

	image.srcw=srcw;

	image.srch=srch;

	image.stride=stride;

	image.d=d;

	asm ("int $0x40"::"a"(73),"b"(0),"c"(&image));

}

int __menuet__get_mouse_wheels(void)

{

    int val;

    asm ("int $0x40":"=a"(val):"a"(37),"b"(7));

    return val;

};

/*==== DATA ====*/

static char Title[1024] = "uPDF";

static char * filename = "/hd0/1/yand.pdf";

static pdfapp_t gapp;

char debugstr[256];

char do_not_blit=0;

#define TOOLBAR_HEIGHT 34

struct process_table_entry Form;

#define DOCUMENT_BORDER 0x979797

#define DOCUMENT_BG 0xABABAB

#define SCROLL_H 25

short show_area_w = 65;

short show_area_x;

char key_mode_enter_page_number;

int new_page_number;

static short window_center, draw_h, draw_w;

const char *help[] = {

	"Keys:",

	"  ",

	"PageUp   - go to previous page",

	"PageDown - go to next page",

	"Home     - go to first page",

	"End      - go to last page",

	"Down arrow - scroll current page down",

	"Up arrow   - scroll current page up",

	"+/- - zoom in/out",

	"[ or l - rotate page 90 deg to the left",

	"] or r - rotate page 90 deg to the right",

	"g - grayscale on/off",

	"  ",

	"Press Escape to hide help",

};

/*==== CODE ====*/

// not implemented yet

void wincursor(pdfapp_t *app, int curs) { }

void winhelp(pdfapp_t *app) { }

void winresize(pdfapp_t *app, int w, int h) { }

void windocopy(pdfapp_t *app) { }

void winopenuri(pdfapp_t *app, char *buf) { }

void winrepaintsearch(pdfapp_t *app) { }

void winwarn(pdfapp_t *app, char *msg)

{

	fprintf(stderr, "mupdf: %s\n", msg);

}

void winerror(pdfapp_t *app, fz_error error)

{

	fz_catch(error, "aborting");

	exit(1);

}

char *winpassword(pdfapp_t *app, char *filename)

{

	char *r = "";

	return r;

}

void wintitle(pdfapp_t *app, char *s)

{

	char* param = *(char**)0x1C;

	sprintf(Title,"%s - uPDF", strrchr(param, '/') + 1 );

}

void winreloadfile(pdfapp_t *app)

{

	//pdfapp_close(app);

	//pdfapp_open(app, filename, 0, 1);

}

void winclose(pdfapp_t *app)

{

	pdfapp_close(&gapp);

	__menuet__sys_exit();

}

void winrepaint(pdfapp_t *app)

{

	winblit(&gapp);

}

void winblit(pdfapp_t *app)

{

	if (do_not_blit) return;

	if (key_mode_enter_page_number==1) HandleNewPageNumber(0); else DrawPagination();

	if (Form.client_width > gapp.image->w) window_center = (Form.client_width - gapp.image->w) / 2; else window_center = 0;

	if (gapp.image->n == 4)

		 	blit(window_center + Form.client_left,

		 		Form.client_top + TOOLBAR_HEIGHT,

		 		Form.client_width,

		 		Form.client_height - TOOLBAR_HEIGHT,

		 		gapp.panx,

		 		gapp.pany,

		 		gapp.image->w,

		 		gapp.image->h,

		 		gapp.image->w * gapp.image->n,

		 		gapp.image->samples

		 	);

	else if (gapp.image->n == 2)

	{

		int i = gapp.image->w*gapp.image->h;

		unsigned char *color = malloc(i*4);

		if (color != NULL)

		{

			unsigned char *s = gapp.image->samples;

			unsigned char *d = color;

			for (; i > 0 ; i--)

			{

				d[2] = d[1] = d[0] = *s++;

				d[3] = *s++;

				d += 4;

			}

			blit(window_center + Form.client_left,

				Form.client_top + TOOLBAR_HEIGHT,

				Form.client_width,

				Form.client_height - TOOLBAR_HEIGHT,

		 		gapp.panx,

		 		gapp.pany,

				gapp.image->w,

				gapp.image->h,

				gapp.image->w * 4,

				color

			);

			free(color);

		}

	}

}

void DrawPageSides(void)

{

	if (Form.client_width > gapp.image->w) window_center = (Form.client_width - gapp.image->w) / 2; else window_center = 0;

	if (gapp.image->h < Form.client_height - TOOLBAR_HEIGHT) draw_h = gapp.image->h - gapp.pany; else draw_h = Form.client_height - TOOLBAR_HEIGHT;

	if (gapp.image->w < Form.client_width)

	{

		__menuet__bar(0, TOOLBAR_HEIGHT, window_center-1, Form.client_height - TOOLBAR_HEIGHT, DOCUMENT_BG);

		__menuet__bar(window_center-1, TOOLBAR_HEIGHT, 1, draw_h, DOCUMENT_BORDER);

		__menuet__bar(window_center + gapp.image->w, TOOLBAR_HEIGHT, 1, draw_h, DOCUMENT_BORDER);

		__menuet__bar(window_center + gapp.image->w+1, TOOLBAR_HEIGHT, Form.client_width - window_center - gapp.image->w - 1, Form.client_height - TOOLBAR_HEIGHT, DOCUMENT_BG);

	}

	if (gapp.image->w < Form.client_width)

	{

		draw_w = gapp.image->w + 2;

	}

	else

	{

		window_center = 1;

		draw_w = Form.client_width;

	}

	__menuet__bar(window_center - 1, gapp.image->h - gapp.pany + TOOLBAR_HEIGHT, draw_w, 1, DOCUMENT_BORDER);

	__menuet__bar(window_center - 1, gapp.image->h - gapp.pany + TOOLBAR_HEIGHT + 1, draw_w, Form.client_height - gapp.image->h - TOOLBAR_HEIGHT + gapp.pany - 1, DOCUMENT_BG);

}

int main (void)

{

	char ii, mouse_wheels_state;

	char* original_command_line = *(char**)0x1C;

	__menuet__debug_out(original_command_line);

	char buf[128];

	int resolution = 72;

	int pageno = 1;

	fz_accelerate();

	__menuet__debug_out("PDF init\n");

	pdfapp_init(&gapp);

	gapp.scrw = 600;

	gapp.scrh = 400;

	gapp.resolution = resolution;

	gapp.pageno = pageno;

	__menuet__debug_out("PDF Open\n");

	pdfapp_open(&gapp, original_command_line, 0, 0);

	__menuet__debug_out("PDF Opened\n");

	wintitle(&gapp, 0);

	__menuet__debug_out("Inital paint\n");

	int butt, key, screen_max_x, screen_max_y;

	__menuet__get_screen_max(&screen_max_x, &screen_max_y);

	__menuet__set_bitfield_for_wanted_events(EVENT_REDRAW+EVENT_KEY+EVENT_BUTTON+EVENT_MOUSE_CHANGE);

 for(;;)

 {

	switch(__menuet__wait_for_event())

	{

		case evReDraw:

			// gapp.shrinkwrap = 2;

			__menuet__window_redraw(1);

			__menuet__define_window(screen_max_x / 2 - 350, screen_max_y / 2 - 300, 700, 600, 0x73000000, 0x800000FF, Title);

			__menuet__window_redraw(2);

			__menuet__get_process_table(&Form, PID_WHOAMI);

			if (Form.window_state > 2) continue; //fix rolled up

			Form.client_width++; //fix for Menuet kernel bug

			Form.client_height++; //fix for Menuet kernel bug

			DrawWindow();

			break;

		case evKey:

			key = __menuet__getkey();

			if (key_mode_enter_page_number)

			{

				HandleNewPageNumber(key);

				break;

			}

			if (key==ASCII_KEY_ESC)  DrawWindow(); //close help

			if (key==ASCII_KEY_PGDN) pdfapp_onkey(&gapp, ']');

			if (key==ASCII_KEY_PGUP) pdfapp_onkey(&gapp, '[');

			if (key==ASCII_KEY_HOME) pdfapp_onkey(&gapp, 'g');

			if (key==ASCII_KEY_END ) pdfapp_onkey(&gapp, 'G');

			if (key=='g' ) pdfapp_onkey(&gapp, 'c');

			if ((key=='[' ) || (key=='l')) PageRotateLeft();

			if ((key==']' ) || (key=='r')) PageRotateRight();

			if (key==ASCII_KEY_DOWN ) PageScrollDown();

			if (key==ASCII_KEY_UP ) PageScrollUp();

			if (key=='-') PageZoomOut();

			if ((key=='=') || (key=='+')) PageZoomIn();

			break;

		case evButton:

			butt = __menuet__get_button_id();

			if(butt==1) __menuet__sys_exit();

			if(butt==10) ;//mag open file

			if(butt==11) PageZoomOut(); //magnify -

			if(butt==12) PageZoomIn(); //magnify +

			if(butt==13) //show help

			{

				__menuet__bar(0, TOOLBAR_HEIGHT, Form.client_width, Form.client_height - TOOLBAR_HEIGHT, 0xF2F2F2);

				__menuet__write_text(20, TOOLBAR_HEIGHT + 20      , 0x90000000, "uPDF for KolibriOS v1.2", 0);

				__menuet__write_text(21, TOOLBAR_HEIGHT + 20      , 0x90000000, "uPDF for KolibriOS v1.2", 0);

				for (ii=0; help[ii]!=0; ii++) {

					__menuet__write_text(20, TOOLBAR_HEIGHT + 60 + ii * 15, 0x80000000, help[ii], 0);

				}

			}

			if(butt==14) pdfapp_onkey(&gapp, '['); //previous page

			if(butt==15) pdfapp_onkey(&gapp, ']'); //next page

			if(butt==16) PageRotateLeft();

			if(butt==17) PageRotateRight();

			if(butt==20) GetNewPageNumber();

			break;

		case evMouse:

			if (mouse_wheels_state = __menuet__get_mouse_wheels())

			{

				if (mouse_wheels_state==1) { PageScrollDown(); PageScrollDown(); }

				if (mouse_wheels_state==-1) { PageScrollUp();  PageScrollUp();   }

			}

			//sprintf (debugstr, "mouse_wheels_state: %d \n", mouse_wheels_state);

			//__menuet__debug_out(debugstr);

			//pdfapp_onmouse(&gapp, int x, int y, int btn, int modifiers, int state)

			break;

	}

  }

}

void GetNewPageNumber(void)

{

	new_page_number = gapp.pageno;

	key_mode_enter_page_number = 1;

	HandleNewPageNumber(0);

}

void HandleNewPageNumber(unsigned char key)

{

	char label_new_page[8];

	if ((key >= '0') && (key <= '9'))

	{

		new_page_number = new_page_number * 10 + key - '0';

	}

	if (key == ASCII_KEY_BS)

	{

		new_page_number /= 10;

	}

	if (key == ASCII_KEY_ENTER)

	{

		ApplyNewPageNumber();

		return;

	}

	if (key==ASCII_KEY_ESC)

	{

		key_mode_enter_page_number = 0;

		DrawWindow();

		return;

	}

	itoa(new_page_number, label_new_page, 10);

	strcat(label_new_page, "_");

	__menuet__bar(show_area_x,  6, show_area_w, 22, 0xFDF88E);

	__menuet__write_text(show_area_x + show_area_w/2 - strlen(label_new_page)*6/2, 14, 0x000000, label_new_page, strlen(label_new_page));

	if (new_page_number > gapp.pagecount) ApplyNewPageNumber();

}

void ApplyNewPageNumber(void)

{

	key_mode_enter_page_number = 0;

	gapp.pageno = new_page_number -1;

	pdfapp_onkey(&gapp, ']');

}

void DrawPagination(void)

{

	char pages_display[12];

	__menuet__bar(show_area_x,  6, show_area_w, 22, 0xF4F4F4);

	sprintf (pages_display, "%d/%d", gapp.pageno, gapp.pagecount);

	__menuet__write_text(show_area_x + show_area_w/2 - strlen(pages_display)*6/2, 14, 0x000000, pages_display, strlen(pages_display));

}

void DrawWindow(void)

{

	__menuet__bar(0, 0, Form.client_width, TOOLBAR_HEIGHT - 1, 0xe1e1e1); // bar on the top (buttons holder)

	__menuet__bar(0, TOOLBAR_HEIGHT - 1, Form.client_width, 1, 0x7F7F7F);

	DrawToolbarButton(8,0); //open_folder

	DrawToolbarButton(42,1); //magnify -

	DrawToolbarButton(67,2);  //magnify +

	DrawToolbarButton(101,6); //rotate left

	DrawToolbarButton(126,7); //rotate right

	DrawToolbarButton(Form.client_width - 160,3); //show help

	show_area_x = Form.client_width - show_area_w - 34;

	DrawToolbarButton(show_area_x - 26,4); //prev page

	DrawToolbarButton(show_area_x + show_area_w,5); //nex page

	__menuet__make_button(show_area_x-1,  5, show_area_w+1, 23, 20 + BT_HIDE, 0xA4A4A4);

	__menuet__bar(show_area_x,  5, show_area_w, 1, 0xA4A4A4);

	__menuet__bar(show_area_x, 28, show_area_w, 1, 0xA4A4A4);

	winblit(&gapp);

	DrawPageSides();

}

void DrawToolbarButton(int x, char image_id)

{

	__menuet__make_button(x, 5, 26-1, 24-1, 10 + image_id + BT_HIDE, 0);

	__menuet__putimage(x, 5, 26, 24, image_id * 24 * 26 * 3 + toolbar_image);

}

/* Actions */

void PageScrollDown(void)

{

	//pdfapp_onkey(&gapp, 'k'); //move down

	if (gapp.image->h - gapp.pany - SCROLL_H < Form.client_height - TOOLBAR_HEIGHT)

	{

		pdfapp_onkey(&gapp, '.');

	}

	else {

		gapp.pany += SCROLL_H;

		winblit(&gapp);

	}

}

void PageScrollUp(void)

{

	//pdfapp_onkey(&gapp, 'j'); //move up

	if (gapp.pany >= SCROLL_H) {

		gapp.pany -= SCROLL_H;

		winblit(&gapp);

	}

	else {

		//not very nice way of using do_not_blit, but it simple

		if (gapp.pageno == 1) return;

		do_not_blit = 1;

		pdfapp_onkey(&gapp, ',');

		do_not_blit = 0;

		gapp.pany = gapp.image->h - SCROLL_H - Form.client_height + TOOLBAR_HEIGHT;

		if (gapp.pany < 0) gapp.pany = 0;

		//sprintf (debugstr, "gapp.pany: %d \n", gapp.pany);

		//__menuet__debug_out(debugstr);

		winblit(&gapp);

	}

}

void PageZoomIn(void)

{

	pdfapp_onkey(&gapp, '+');

	DrawPageSides();

}

void PageZoomOut(void)

{

	pdfapp_onkey(&gapp, '-');

	DrawPageSides();

}

void PageRotateLeft(void)

{

	pdfapp_onkey(&gapp, 'L');

	DrawPageSides();

}

void PageRotateRight(void)

{

	pdfapp_onkey(&gapp, 'R');

	DrawPageSides();

}