Subversion Repositories Kolibri OS

/*==== INCLUDES ====*/

#include "fitz.h"

#include "mupdf.h"

#include "pdfapp.h"

#include "icons/allbtns.h"

#include "kolibri.h"

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

static char Title[1024] = "uPDF";

static pdfapp_t gapp;

char debugstr[256];

char do_not_blit=0;

#define TOOLBAR_HEIGHT 34

struct proc_info 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 ====*/

// Prototypes //

void RunApp(char app[], char param[]);

void winblit(pdfapp_t *app);

void DrawPagination(void);

void HandleNewPageNumber(unsigned char key);

void ApplyNewPageNumber(void);

void DrawMainWindow(void);

// 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;

	random();

}

void wintitle(pdfapp_t *app, char *s, char param[])

{

	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);

	exit(0);

}

void RunOpenApp(char name[])

{

	char cmd[250] = "*pdf* ";

	strcat(cmd, name);

	RunApp("/sys/lod", cmd);

}

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

	gapp.panx = 0;

	kos_blit(window_center + Form.cleft,

		Form.ctop + TOOLBAR_HEIGHT,

		Form.cwidth,

		Form.cheight - TOOLBAR_HEIGHT,

		gapp.panx,

		gapp.pany,

		gapp.image->w,

		gapp.image->h,

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

		gapp.image->samples // image

	);

/*

	void kos_blit(int dstx, int dsty, int w, int h, int srcx, int srcy, int srcw, int srch, int stride, char *d)

*/

}

void DrawPageSides(void)

{

	if (gapp.image->h < Form.cheight - TOOLBAR_HEIGHT) {

		draw_h = gapp.image->h - gapp.pany;

	} else {

		draw_h = Form.cheight - TOOLBAR_HEIGHT;

	}

	if (gapp.image->w < Form.cwidth) {

		window_center = (Form.cwidth - gapp.image->w) / 2;

		draw_w = gapp.image->w + 2;

		kol_paint_bar(0, TOOLBAR_HEIGHT, window_center-1, Form.cheight - TOOLBAR_HEIGHT, DOCUMENT_BG);

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

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

		kol_paint_bar(window_center + gapp.image->w+1, TOOLBAR_HEIGHT, Form.cwidth - window_center - gapp.image->w - 1, Form.cheight - TOOLBAR_HEIGHT, DOCUMENT_BG);

	} else {

		window_center = 1;

		draw_w = Form.cwidth;

	}

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

	kol_paint_bar(window_center - 1, gapp.image->h - gapp.pany + TOOLBAR_HEIGHT + 1,

		draw_w, Form.cheight - gapp.image->h - TOOLBAR_HEIGHT + gapp.pany - 1, DOCUMENT_BG);

}

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;

		DrawMainWindow();

		return;

	}

	itoa(new_page_number, label_new_page, 10);

	strcat(label_new_page, "_");

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

	kos_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];

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

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

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

}

void DrawToolbarButton(int x, char image_id)

{

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

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

}

void DrawMainWindow(void)

{

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

	kol_paint_bar(0, TOOLBAR_HEIGHT - 1, Form.cwidth, 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.cwidth - 160,3); //show help

	show_area_x = Form.cwidth - show_area_w - 34;

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

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

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

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

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

	winblit(&gapp);

	DrawPageSides();

}

/* Actions */

void PageScrollDown(void)

{

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

	if (gapp.image->h - gapp.pany - SCROLL_H < Form.cheight - 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.cheight + TOOLBAR_HEIGHT;

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

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

		//kol_board_puts(debugstr);

		winblit(&gapp);

	}

}

void RunApp(char app[], char param[])

{

	kol_struct70 r;

	r.p00 = 7;

	r.p04 = 0;

	r.p08 = param;

	r.p12 = 0;

	r.p16 = 0;

	r.p20 = 0;

	r.p21 = app;

	kol_file_70(&r);

}

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();

}

int main (int argc, char* argv[])

{

	char ii, mouse_wheels_state;

	// argv without spaces

	char full_argv[1024];

	for (int i = 1; i

		if (i != 1) strcat(full_argv, " ");

		strcat(full_argv, argv[i]);

	}

	if (argc == 1) {

		kol_board_puts("uPDF: no param set, showing OpenDialog...\n");

		RunOpenApp(argv[0]);

		exit(0);

	}

	kol_board_puts(full_argv);

	kol_board_puts("\n");

	char buf[128];

	int resolution = 72;

	int pageno = 1;

	fz_accelerate();

	kol_board_puts("PDF init...\n");

	pdfapp_init(&gapp);

	gapp.scrw = 600;

	gapp.scrh = 400;

	gapp.resolution = resolution;

	gapp.pageno = pageno;

	kol_board_puts("PDF Open...\n");

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

	kol_board_puts("PDF Opened!\n");

	wintitle(&gapp, 0, full_argv);

	kol_board_puts("Inital paint\n");

	int butt, key, screen_max_x, screen_max_y;

	kos_screen_max(&screen_max_x, &screen_max_y);

	kol_event_mask(EVENT_REDRAW+EVENT_KEY+EVENT_BUTTON+EVENT_MOUSE_CHANGE);

	for(;;)

	{

		switch(kol_event_wait())

		{

			case evReDraw:

				// gapp.shrinkwrap = 2;

				kol_paint_start();

				kol_wnd_define(screen_max_x / 2 - 350-50+kos_random(50),

				screen_max_y / 2 - 300-50+kos_random(50),

				700, 600, 0x73000000, 0x800000FF, Title);

				kol_paint_end();

				kol_process_info(-1, (char*)&Form);

				if (Form.window_state & 4) continue; // if Rolled-up

				// Minimal size (700x600)

				if (Form.width < 700) kol_wnd_change(-1, -1, 700, -1);

				if (Form.height < 600)  kol_wnd_change(-1, -1, -1, 600);

				DrawMainWindow();

				break;

			case evKey:

				key = kos_get_key();

				if (key_mode_enter_page_number)

				{

					HandleNewPageNumber(key);

					break;

				}

				if (key==ASCII_KEY_ESC)  DrawMainWindow(); //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 = kol_btn_get();

				if(butt==1) exit(0);

				if(butt==10) RunOpenApp(argv[0]);

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

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

				if(butt==13) //show help

				{

					kol_paint_bar(0, TOOLBAR_HEIGHT, Form.cwidth, Form.cheight - TOOLBAR_HEIGHT, 0xF2F2F2);

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

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

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

						kos_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 = kos_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);

				//kol_board_puts(debugstr);

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

				break;

		}

	}

}