progs/openvg/trivial/cap.c

   1 #include "eglcommon.h"
   2
   3 #include <VG/openvg.h>
   4
   5 #include <math.h>
   6 #include <stdlib.h>
   7 #include <stdio.h>
   8
   9 static void
  10 init(void)
  11 {
  12
  13 }
  14
  15 /* new window size or exposure */
  16 static void
  17 reshape(int w, int h)
  18 {
  19 }
  20
  21 const int subtest = 0;
  22 static void
  23 draw(void)
  24 {
  25     VGPath line;
  26     VGPaint fillPaint;
  27     VGubyte lineCommands[3] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS};
  28     VGfloat lineCoords[] =   {-2.0f,-1.0f, 0.0f,0.0f, -1.0f, -2.0f};
  29     VGfloat clearColor[] = {0.0f, 0.0f, 0.0f, 1.0f};/* black color */
  30     VGfloat fillColor[] = {1.0f, 1.0f, 1.0f, 1.0f};/* white color */
  31     //VGfloat testRadius = 60.0f;
  32     VGfloat testRadius = 10.0f;
  33     int WINDSIZEX = window_width();
  34     int WINDSIZEY = window_height();
  35
  36     line = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
  37                         1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL);
  38     fillPaint = vgCreatePaint();
  39
  40     vgSetf(VG_STROKE_LINE_WIDTH, 1.0f);
  41     //vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_ROUND);
  42     vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT);
  43     vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND);
  44     //vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_BEVEL);
  45
  46     vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_BETTER);
  47
  48     vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE);
  49     vgLoadIdentity();
  50     vgTranslate(60, 60);
  51     vgScale(testRadius * 2, testRadius * 2);
  52
  53     vgAppendPathData(line, 3, lineCommands, lineCoords);
  54
  55     vgSetfv(VG_CLEAR_COLOR, 4, clearColor);
  56
  57     vgSetPaint(fillPaint, VG_STROKE_PATH);
  58
  59     vgSetParameterfv(fillPaint, VG_PAINT_COLOR, 4, fillColor);
  60     vgSetParameteri( fillPaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR);
  61
  62     vgClear(0, 0, WINDSIZEX, WINDSIZEY);
  63     vgDrawPath(line, VG_STROKE_PATH);
  64
  65     vgDestroyPath(line);
  66     vgDestroyPaint(fillPaint);
  67 }
  68
  69
  70 int main(int argc, char **argv)
  71 {
  72    set_window_size(100, 100);
  73    return run(argc, argv, init, reshape,
  74               draw, 0);
  75 }