forked from KolibriOS/kolibrios
623 lines
15 KiB
C++
623 lines
15 KiB
C++
#include "func.h"
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#include "parser.h"
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#include "use_library.h"
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#ifdef AUTOBUILD
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extern char params[1024];
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#endif
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char params[1024];// = "/sys/1.grf";
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const char header[] = "Graph";
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const char empty_text[] = "No function loaded. Type file name and press Enter. ";
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const char er_file_not_found[] = "Cannot open file. ";
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const char str_filename[]="Filename:";
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const char str_editfile[]="Edit";
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// íà÷àëüíûå ðàçìåðû
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#define WND_W 600
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#define WND_H 470
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#define LIGHTGREEN 0xff0000
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#define WHITE 0xffffff
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#define BLACK 0x0
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#define LIGHTBLUE 0x0000ff
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#define LIGHTRED 0xff0000
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// font colors
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#define BIGFONTCOLOR BLACK
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#define SMALLFONTCOLOR BLACK
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#define THREE 3.0
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// minimum space: 3 pixels
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#define BIG_HEIGHT 4.0
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#define SMALL_HEIGHT 2.0
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#define TEXT_X 15.0
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// numeric format for output
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#define FORMAT "%f"
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// format for two coords
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#define FORMAT_COORD "(%f,%f)"
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// special value to text if enough space
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#define FORMAT_TEST "0.00"
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#define DELTA_BIG 1.0
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#define DELTA_SMALL 0.1
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double *points;
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Dword point_count = 0;
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double x1,y1,x2,y2;
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char *funct = NULL;
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char *full_head;
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char *HugeBuf = NULL;
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char edit_path[256];
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edit_box mybox = {0,92,WND_H-16-32,0xffffff,0x94AECE,0,0x808080,0x10000000,
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sizeof(edit_path)-1,0,(dword)&edit_path, 0, 0};
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// constructor of TCoord
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TCoord coord(double x, double y)
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{
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TCoord r;
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r.x = x;
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r.y = y;
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return r;
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}
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// move and scale mathematical coords to fit screen coords
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TCoord mat2Graf(TCoord c, TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax)
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{
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TCoord r;
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if (c.x > mMax.x)
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c.x = mMax.x;
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if (c.x < mMin.x)
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c.x = mMin.x;
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if (c.y > mMax.y)
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c.y = mMax.y;
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if (c.y < mMin.y)
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c.y = mMin.y;
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r.x = (scrMax.x - scrMin.x) / (mMax.x - mMin.x) * (c.x - mMin.x) + scrMin.x;
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r.y = (scrMax.y - scrMin.y) / (mMax.y - mMin.y) * (mMax.y - c.y) + scrMin.y;
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return r;
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}
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// double-îáåðòêè
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void line_d( double x1, double y1, double x2, double y2)
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{
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line(di(x1), di(y1), di(x2), di(y2));
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}
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void outtextxy_d( double x, double y, char * text, int len)
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{
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outtextxy(di(x), di(y), text, len);
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}
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// huge function to draw all the stuff except the function itself
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void drawAxis( TCoord scrMin, TCoord scrMax, TCoord mMin, TCoord mMax)
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{
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TCoord cZero={0.0,0.0},
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gMin, gMax, gZero, step;
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TCoord from, to;
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double i=0.0;
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int j;
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double xmin, xmin2, ymin, ymin2;
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char buf[30]="";
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// scr means Screen(bounding rect)
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// m means Mathematical
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// g means Graphic(real screen position)
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//rtlDebugOutString("draw axis called\n");
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//format(debuf, 30, "test: %f,%f,%f,%f\n", 123.45, 1.0, -0.9, 12.57);
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//rtlDebugOutString(debuf);
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gMin = mat2Graf(mMin, scrMin, scrMax, mMin, mMax);
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gMax = mat2Graf(mMax, scrMin, scrMax, mMin, mMax);
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gZero = mat2Graf(cZero, scrMin, scrMax, mMin, mMax);
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// clear
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// setcolor(WHITE);
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//rectangle(di(gMin.x), di(gMin.y), di(gMax.x), di(gMax.y));
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// ftopku
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setcolor(BLACK);
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// osy X
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line_d(gMin.x, gZero.y ,gMax.x, gZero.y);
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// osy Y
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line_d(gZero.x, gMin.y, gZero.x, gMax.y);
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// bounding rect
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line_d(gMin.x, gMin.y, gMax.x, gMin.y);
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line_d(gMin.x, gMax.y, gMax.x, gMax.y);
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line_d(gMin.x, gMin.y, gMin.x, gMax.y);
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line_d(gMax.x, gMin.y, gMax.x, gMax.y);
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// coords of the rect : lower left
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format(buf, 30, FORMAT_COORD, x1, y1);
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//rtlDebugOutString(buf);
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outtextxy_d(gMin.x, gMin.y + textheight(buf, 20), buf, 20);
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// upper left
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format(buf, 30, FORMAT_COORD, x1, y2);
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outtextxy_d(gMin.x, gMax.y - textheight(buf, 20), buf, 20);
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// lower right
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format(buf, 30, FORMAT_COORD, x2, y1);
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outtextxy_d(gMax.x - textwidth(buf, 20), gMin.y + textheight(buf, 20), buf, 20);
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// upper right
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format(buf, 30, FORMAT_COORD, x2, y2);
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outtextxy_d(gMax.x - textwidth(buf, 20), gMax.y - textheight(buf, 20), buf, 20);
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//rtlDebugOutString("some lines painted\n");
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step.x = (mMax.x - mMin.x) / (scrMax.x - scrMin.x);
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step.y = (mMax.y - mMin.y) / (scrMax.y - scrMin.y);
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// round values
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xmin = id(di((mMin.x / DELTA_BIG) * DELTA_BIG));
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ymin = id(di((mMin.y / DELTA_BIG) * DELTA_BIG));
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// (0,0)
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if ((x1 * x2 <= 0.0) && (y1 * y2 <= 0.0))
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{
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from.x=0.0;
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from.y=0.0;
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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setcolor(BLACK);
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format(buf, 30, FORMAT, 0.0);
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outtextxy_d(from.x - textwidth(buf, 20), from.y + textheight(buf, 20), buf, 20);
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}
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// big marks on X
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//settextstyle(0, 0, 1);
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if (DELTA_BIG / step.x > THREE)
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{
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for (i = xmin; i <= mMax.x; i += DELTA_BIG)
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{
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if (i != 0.0)
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{
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from.x = i;
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to.x = from.x;
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from.y = -BIG_HEIGHT * step.y;
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to.y = BIG_HEIGHT * step.y;
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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to = mat2Graf(to, scrMin, scrMax, mMin, mMax);
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setcolor(BLACK);
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line_d(from.x, from.y, to.x, to.y);
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// write number
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format(buf, 30, FORMAT, i);
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// if it fits in the GAP, then write it
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if (from.y > scrMin.y && (DELTA_BIG > (textwidth(buf, 20) + 1.0) * step.x))
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{
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setcolor(BIGFONTCOLOR);
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outtextxy_d(from.x - textwidth(buf, 20) / 2.0, to.y - textheight(buf, 20), buf, 20);
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}
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}
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}
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}
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//rtlDebugOutString("big marks x painted\n");
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// big marks on Y
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if (DELTA_BIG / step.y > THREE)
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{
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for (i = ymin; i <= mMax.y; i += DELTA_BIG)
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{
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if (i != 0.0)
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{
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from.y = i;
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to.y = from.y;
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from.x = -BIG_HEIGHT * step.x;
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to.x = BIG_HEIGHT * step.x;
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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to = mat2Graf(to, scrMin, scrMax, mMin, mMax);
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setcolor(BLACK);
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line_d(from.x, from.y, to.x, to.y);
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format(buf, 30, FORMAT, i);
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if (from.x > scrMin.x && (DELTA_BIG > textheight(buf, 20) * step.y))
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{
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setcolor(BIGFONTCOLOR);
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outtextxy_d(from.x + TEXT_X, to.y - textheight(buf, 20) / 2.0, buf, 20);
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}
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}
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}
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}
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xmin2 = id(di(mMin.x / DELTA_SMALL)) * DELTA_SMALL;
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ymin2 = id(di(mMin.y / DELTA_SMALL)) * DELTA_SMALL;
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if (DELTA_SMALL / step.x > THREE)
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{
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j = di((( - xmin + xmin2 ) / DELTA_SMALL));
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for (i = xmin2; i <= mMax.x; i += DELTA_SMALL, j++)
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{
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if (j % 10 == 0)
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{
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// we need to skip every tenth mark, to avoid overwriting big marks
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j = 0;
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continue;
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}
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from.x = i;
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to.x = from.x;
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from.y = -SMALL_HEIGHT * step.y;
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to.y = SMALL_HEIGHT * step.y;
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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to = mat2Graf(to, scrMin, scrMax, mMin, mMax);
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setcolor(BLACK);
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line_d(from.x, from.y, to.x, to.y);
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format(buf, 30, FORMAT, i);
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if (from.y > scrMin.y && (DELTA_SMALL > textwidth(buf, 20) * step.x))
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{
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setcolor(SMALLFONTCOLOR);
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outtextxy_d(from.x - textwidth(buf, 20) / 2.0, to.y - textheight(buf, 20), buf, 20);
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}
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}
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}
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// finally small marks on Y
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if (DELTA_SMALL / step.y > THREE)
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{
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//rtlDebugOutString("really small marks y painted\n");
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j = di((( - ymin + ymin2) / DELTA_SMALL));
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for (i = ymin2; i <= mMax.y; i += DELTA_SMALL, j++)
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{
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if (j % 10 == 0)
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{
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// we need to skip every tenth, to avoid overwriting
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j = 0;
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continue;
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}
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from.y = i;
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to.y = from.y;
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from.x = -SMALL_HEIGHT * step.x;
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to.x = SMALL_HEIGHT * step.x;
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from = mat2Graf(from, scrMin, scrMax, mMin, mMax);
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to = mat2Graf(to, scrMin, scrMax, mMin, mMax);
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setcolor(BLACK);
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line_d(from.x, from.y, to.x, to.y);
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format(buf, 30, FORMAT, i);
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if (from.x > scrMin.x && (DELTA_SMALL > textheight(buf, 20) * step.y))
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{
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setcolor(SMALLFONTCOLOR);
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outtextxy_d(from.x + TEXT_X, from.y - textheight(buf, 20) / 2.0, buf, 20);
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}
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}
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}
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}
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/*
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ends fucking piece of shit
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*/
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void drawFunction( function_t fi, TCoord scrMin, TCoord scrMax,
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TCoord mMin, TCoord mMax, DWORD color)
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{
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double x;
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double y;
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int firstPoint = 1;
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TCoord p, p0 = {0.0, 0.0}, step;
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drawAxis(scrMin, scrMax, mMin, mMax);
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setcolor(color);
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step.x = (mMax.x - mMin.x) / (scrMax.x - scrMin.x);
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for (x = mMin.x; x < mMax.x; x += step.x)
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{
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y = fi(x);
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// function is defined here and gets in the range
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if (1) // òóò áûëî óñëîâèå, ÷òî ôóíêöèÿ ïðàâèëüíî âû÷èñëåíà
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{
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if ((y > mMin.y) && (y < mMax.y))
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{
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p = mat2Graf(coord(x, y), scrMin, scrMax, mMin, mMax);
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// if it's our first point, only remember its coords
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// otherwise, draw a line_d from prev to current
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if (firstPoint == 0)
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{
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line_d(p0.x, p0.y, p.x, p.y);
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}
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else
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firstPoint = 0;
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p0 = p;
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}
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else // too big/small
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{
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firstPoint = 1;
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}
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}
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else // no value
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{
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firstPoint = 1;
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}
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}
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}
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// èòîãîâàÿ âåðñèÿ ÷èòàëêè òåêñòîâûõ ôàéëîâ
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int load_points3()
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{
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kosFileInfo fileInfo;
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kosBDVK bdvk;
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int filePointer = 0;
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int i,j,k;
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double d;
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Dword filesize, num_number;
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double *p2=0;
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// get file size
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strcpy(fileInfo.fileURL,edit_path);
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fileInfo.OffsetLow = 0;
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fileInfo.OffsetHigh = 0;
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fileInfo.dataCount = 0;
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fileInfo.rwMode = 5;
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fileInfo.bufferPtr = (Byte *)&bdvk;
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Dword rr = kos_FileSystemAccess( &(fileInfo) ); // â CKosFile íåò îïðåäåëåíèÿ ðàçìåðà
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sprintf(debuf, "getsize: %U\n", rr);
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rtlDebugOutString(debuf);
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if (rr != 0)
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{
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kos_WriteTextToWindow(10,10,0x90,0xFF0000,(char*)er_file_not_found,strlen(er_file_not_found));
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return 0;
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}
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filesize = bdvk.size_low;
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num_number = filesize / 2;
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HugeBuf = (char *)allocmem(filesize + 1); // ðàçáèðàåì êàê ñòðîêó, îòñþäà òåðìèíàòîð \0
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for (i=0;i<filesize+1;i++)
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HugeBuf[i] = 0;
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strcpy(fileInfo.fileURL,edit_path);
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fileInfo.OffsetLow = 0;
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fileInfo.OffsetHigh = 0;
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fileInfo.dataCount = filesize;
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fileInfo.rwMode = 0;
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fileInfo.bufferPtr = (Byte *)HugeBuf;
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rr = kos_FileSystemAccess( &(fileInfo) ); // êàêàÿ-òî ïðîáëåìà ñ hands.dll, CKosFile íå ðàáîòàë
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sprintf(debuf, "read3: %U\n", rr);
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rtlDebugOutString(debuf);
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// à òåïåðü ðàçîáðàòüñÿ â ýòîì
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i=0;
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k=0;
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while (i < filesize)
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{
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while (isalpha(HugeBuf[i]) && i<filesize) i++;
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if (i == filesize) break;
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if (k==4 && HugeBuf[i] == '=')
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{
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//sprintf(debuf,"function: %S",HugeBuf + i);
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//rtlDebugOutString(debuf);
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// we have a function here
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//HugeBuf[0] = ' ';
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funct = HugeBuf + i + 1;
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sprintf(full_head, "Graph: %S. Function: y=%S", edit_path, funct);
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return 1;
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}
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d = convert(HugeBuf+i, &j);
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if (d == ERROR)
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{
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sprintf(debuf, "Error in input file, byte %U, count %U\n", i, k);
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kos_WriteTextToWindow(10, 10, 0x90, 0xFF0000, (char*)debuf, 0);
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return 0;
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}
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if (d == ERROR_END)
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{
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rtlDebugOutString("EOF :)!\n");
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break;
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}
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i+=j;
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switch (k)
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{
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case 0:
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x1=d;
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break;
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case 1:
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x2=d;
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break;
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case 2:
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y1=d;
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break;
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case 3:
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y2=d;
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break;
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default:
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{
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if (p2 == NULL)
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p2 = (double *)allocmem(num_number * 8);
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p2[k-4]=d;
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}
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}
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k++;
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}
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// format(debuf, 30, "(%f,%f)-(%f,%f)",x1,y1,x2,y2);
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// rtlDebugOutString(debuf);
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point_count=(k - 4)/2;
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//
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points = (double *)allocmem(point_count * 2 * 8);
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for (i = 0; i < point_count * 2; i++)
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points[i] = p2[i];
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freemem(p2);
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// sprintf(debuf, "count: %U\n", point_count);
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// rtlDebugOutString(debuf);
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sprintf(full_head, "Graph: %S. Number of points: %U", edit_path, point_count);
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freemem(HugeBuf);
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HugeBuf = NULL;
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return 1;
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}
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// calculate given function or piecewise linear between points
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double fu(double x)
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{
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int i;
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double res;
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if (funct)
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{
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//set_exp(funct,x); //!!!!!
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set_exp(funct); //!!!!
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get_exp(&res); // parse for each value of x? Yes, I'm crazy.
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return res;
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}
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if (point_count == 0)
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{
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return 0.0;
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|
}
|
|
|
|
if (x <= points[0])
|
|
return points[1];
|
|
if (x >= points[(point_count-1) * 2])
|
|
return points[(point_count-1) * 2 + 1];
|
|
|
|
for (i = 0; i < point_count; i++)
|
|
{
|
|
if ((x >= points[2 * i]) && (x < points[2 * (i + 1)]))
|
|
break;
|
|
}
|
|
|
|
return (x - points[2 * i]) / (points[2 * (i + 1)] - points[2 * i])
|
|
* (points[2 * (i + 1) + 1] - points[2 * i + 1]) + points[2 * i + 1];
|
|
|
|
}
|
|
|
|
void draw_window(void)
|
|
{
|
|
double xx0=0.0, yy0=0.0;
|
|
|
|
kos_WindowRedrawStatus(1);
|
|
kos_DefineAndDrawWindow(100,80,WND_W,WND_H, 0x33,0xFFFFFF,0,0,(Dword)full_head);
|
|
kos_WindowRedrawStatus(2);
|
|
|
|
sProcessInfo info;
|
|
kos_ProcessInfo(&info, 0xFFFFFFFF);
|
|
int cWidth = info.processInfo.width - 9;
|
|
int cHeight = info.processInfo.height - kos_GetSkinHeight() - 4;
|
|
|
|
mybox.top = cHeight - 50;
|
|
mybox.width = cWidth - mybox.left - 80;
|
|
|
|
if (info.processInfo.status_window&0x04) return; //draw nothing if window is rolled-up
|
|
|
|
if (point_count == 0 && funct == NULL)
|
|
{
|
|
kos_WriteTextToWindow((cWidth - 8 * strlen(empty_text))/2,cHeight/2-25,0x90,
|
|
0x000000,(char *)empty_text,strlen(empty_text));
|
|
}
|
|
else
|
|
{
|
|
drawFunction(&fu, coord(10, 20), coord(id(cWidth - 20), id(cHeight - 70)),
|
|
coord(x1,y1), coord(x2,y2), 0x00ff0000);
|
|
|
|
}
|
|
|
|
kos_WriteTextToWindow(15, mybox.top + 4, 0x90, 0x000000, (char*)str_filename, strlen(str_filename));
|
|
|
|
edit_box_draw((DWORD)&mybox);
|
|
|
|
kos_DefineButton(cWidth - 70, mybox.top, 50, 21, 5, 0xc0c0c0);
|
|
kos_WriteTextToWindow(cWidth - 60, mybox.top + 4, 0x90, 0x000000, (char*)str_editfile,0);
|
|
}
|
|
|
|
void kos_Main()
|
|
{
|
|
kos_InitHeap();
|
|
load_edit_box();
|
|
full_head = (char*)allocmem(300);
|
|
strcpy(full_head, header);
|
|
if (params[0])
|
|
{
|
|
rtlDebugOutString("launched with params");
|
|
rtlDebugOutString((char*)params);
|
|
strcpy(edit_path, params);
|
|
mybox.size=mybox.pos=strlen(edit_path);
|
|
load_points3();
|
|
rtlDebugOutString("data loaded.\n");
|
|
}
|
|
mybox.flags += ed_focus;
|
|
kos_SetMaskForEvents(EVM_REDRAW + EVM_KEY + EVM_BUTTON + EVM_MOUSE + EVM_MOUSE_FILTER);
|
|
for (;;)
|
|
{
|
|
switch (kos_WaitForEvent())
|
|
{
|
|
case EM_MOUSE_EVENT:
|
|
edit_box_mouse((dword)&mybox);
|
|
break;
|
|
case EM_KEY_PRESS:
|
|
// key pressed, read it
|
|
Dword ckeys, shift, ctrl;
|
|
dword key_editbox;
|
|
Byte key_ascii, key_scancode;
|
|
kos_GetKeys(key_editbox, key_ascii, key_scancode);
|
|
|
|
if (SCAN_CODE_ENTER == key_scancode)
|
|
{
|
|
if (HugeBuf!=NULL)
|
|
{
|
|
//sprintf(debuf, "freemem: HugeBuf = %X", HugeBuf);
|
|
//rtlDebugOutString(debuf);
|
|
freemem((void*)HugeBuf); // ÷òî çà áàã - ïîíÿòü íå ìîãó.
|
|
HugeBuf = NULL;
|
|
funct = NULL;
|
|
}
|
|
if (points!=NULL)
|
|
{
|
|
//sprintf(debuf, "freemem: points = %X", points);
|
|
//rtlDebugOutString(debuf);
|
|
freemem((void*)points); // è òóò. íó íå îáðàùàþñü ÿ ê ýòîìó óêàçàòåëþ, òîëüêî ïàìÿòü â íåãî
|
|
// ïîòîì ñíîâà âûäåëÿþ
|
|
points = NULL;
|
|
}
|
|
point_count = 0;
|
|
kos_DrawBar(10,10,200,20,0xFFFFFF); // background for error messages
|
|
if (load_points3())
|
|
draw_window();
|
|
rtlDebugOutString("Enter");
|
|
}
|
|
else
|
|
{
|
|
__asm
|
|
{
|
|
mov eax, key_editbox
|
|
}
|
|
edit_box_key((dword)&mybox);
|
|
}
|
|
break;
|
|
|
|
case EM_BUTTON_CLICK:
|
|
Dword button;
|
|
kos_GetButtonID(button);
|
|
if (button == 1) kos_ExitApp();
|
|
if (button == 5) {
|
|
kos_AppRun("/sys/tinypad", edit_path);
|
|
}
|
|
break;
|
|
|
|
case EM_WINDOW_REDRAW:
|
|
draw_window();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|