Subversion Repositories Kolibri OS

#ifndef INCLUDE_DRAW_BUF_H

#define INCLUDE_DRAW_BUF_H

#print "[include ]\n"

#ifndef INCLUDE_KOLIBRI_H

#include "../lib/kolibri.h"

#endif

unsigned buf_data;

struct DrawBufer {

	unsigned bufx, bufy, bufw, bufh;

	byte zoom;

	bool Init();

	void Show();

	void Fill();

	void Skew();

	void DrawBar();

	void PutPixel();

	void AlignCenter();

	void AlignRight();

};

char draw_buf_not_enaught_ram[] =

"'DrawBufer needs more memory than currenly available.

Application could be unstable.

Requested size: %i Kb

Free RAM: %i Kb' -E";

bool DrawBufer::Init(int i_bufx, i_bufy, i_bufw, i_bufh)

{

	dword alloc_size, free_ram_size;

	char error_str[256];

	if (!zoom) zoom = 1;

	bufx = i_bufx;

	bufy = i_bufy;

	bufw = i_bufw * zoom;

	bufh = i_bufh * zoom;

	free(buf_data);

	free_ram_size = GetFreeRAM() * 1024;

	alloc_size = bufw * bufh * 4 + 8;

	if (alloc_size >= free_ram_size) {

		sprintf(#error_str, #draw_buf_not_enaught_ram, alloc_size/1024, free_ram_size/1024);

		notify(#error_str);

	}

	buf_data = malloc(alloc_size);

	//debugval("buf_data",buf_data);

	if (!buf_data) return false;

	ESDWORD[buf_data] = bufw;

	ESDWORD[buf_data+4] = bufh;

	return true;

}

void DrawBufer::Fill(unsigned fill_color)

{

	unsigned i;

	unsigned max_i = bufw * bufh * 4 + buf_data + 8;

	for (i=buf_data+8; i

}

void DrawBufer::DrawBar(unsigned x, y, w, h, color)

{

	int i, j;

	for (j=0; j

	{

		for (i = y+j*bufw+x<<2+8+buf_data; i

	}

}

void DrawBufer::PutPixel(unsigned x, y, color)

{

	int pos = y*bufw+x*4+8+buf_data;

	ESDWORD[pos] = color;

}

char shift[]={8,8,4,4};

void DrawBufer::Skew(unsigned x, y, w, h)

{

	int i, j;

	for (j=0; j<=3; j++)

	{

		for (i = y+j*bufw+x+w+h*4; i>y+j*bufw+x+h-12*4 ; i-=4)

								ESDWORD[buf_data+i+8] = ESDWORD[-shift[j]+buf_data+i+8];

	}

}

void DrawBufer::AlignRight(unsigned x,y,w,h, content_width)

{

	int i, j, l;

	int content_left = w - content_width / 2;

	for (j=0; j

	{

		for (i=j*w+w-x*4, l=j*w+content_width+x*4; (i>=j*w+content_left*4) && (l>=j*w*4); i-=4, l-=4)

		{

			ESDWORD[buf_data+8+i] >< ESDWORD[buf_data+8+l];

		}

	}

}

void DrawBufer::AlignCenter(unsigned x,y,w,h, content_width)

{

	int i, j, l;

	int content_left = w - content_width / 2;

	for (j=0; j

	{

		for (i=j*w+content_width+content_left*4, l=j*w+content_width+x*4; (i>=j*w+content_left*4) && (l>=j*w*4); i-=4, l-=4)

		{

			ESDWORD[buf_data+8+i] >< ESDWORD[buf_data+8+l];

		}

	}

}

/*

void DrawBufer::Zoom2x()

{

	int i, s;

	unsigned point_x, max_i, zline_w, s_inc;

	point_x = 0;

	max_i = bufw * bufh * 4 + buf_data+8;

	s_inc = zoom * 4;

	zline_w = zbufw * 4;

	for (i=buf_data+8, s=zbuf_data+8; i

		ESDWORD[s] = ESDWORD[i];

		ESDWORD[s+4] = ESDWORD[i];

		ESDWORD[s+zline_w] = ESDWORD[i];

		ESDWORD[s+zline_w+4] = ESDWORD[i];

		if (zoom==3)

		{

			ESDWORD[s+8] = ESDWORD[i];

			ESDWORD[zline_w+s+8] = ESDWORD[i];

			ESDWORD[zline_w*2+s] = ESDWORD[i];

			ESDWORD[zline_w*2+s+4] = ESDWORD[i];

			ESDWORD[zline_w*2+s+8] = ESDWORD[i];

		}

		point_x++;

		if (point_x >= bufw)

		{

			s += zoom - 1 * zline_w;

			point_x = 0;

		}

	}

}

*/

void DrawBufer::Show()

{

	PutPaletteImage(buf_data+8, bufw, bufh, bufx, bufy, 32, 0);

}

#endif