progs/openvg: Move OpenVG demos to a subdirectory of progs/egl.

That is, move

  progs/openvg/demos to progs/egl/openvg,
  progs/openvg/trivial to progs/egl/openvg/trivial.

1 files changed, 132 insertions, 0 deletions

diff --git a/progs/egl/openvg/trivial/mask4.c b/progs/egl/openvg/trivial/mask4.c
new file mode 100644
index 0000000000..fe6db39648
--- /dev/null
+++ b/progs/egl/openvg/trivial/mask4.c
@@ -0,0 +1,132 @@
+#include "eglcommon.h"
+
+#include <VG/openvg.h>
+#include <VG/vgu.h>
+#include <stdio.h>
+#include <math.h>
+#include <stdlib.h>
+
+#include <X11/keysym.h>
+
+//VGint x_pos = -10, y_pos = -10;
+VGint x_pos = 0, y_pos = 4;
+VGint img_width = 120, img_height = 120;
+
+static void RectToPath(VGPath path, VGfloat x, VGfloat y, VGfloat width, VGfloat height)
+{
+    static const VGubyte segments[5] = {VG_MOVE_TO_ABS,
+                                        VG_HLINE_TO_ABS,
+                                        VG_VLINE_TO_ABS,
+                                        VG_HLINE_TO_ABS,
+                                        VG_CLOSE_PATH};
+    VGfloat data[5];
+
+    data[0] = x;
+    data[1] = y;
+    data[2] = x + width;
+    data[3] = y + height;
+    data[4] = x;
+
+    vgAppendPathData(path, 5, segments, data);
+}
+
+static void
+init(void)
+{
+}
+
+/* new window size or exposure */
+static void
+reshape(int w, int h)
+{
+}
+
+int  key_press(unsigned key)
+{
+    switch(key) {
+    case XK_Right:
+        x_pos +=1;
+        break;
+    case XK_Left:
+        x_pos -=1;
+        break;
+    case XK_Up:
+        y_pos +=1;
+        break;
+    case XK_Down:
+        y_pos -=1;
+        break;
+    case 'a':
+        img_width  -= 5;
+        img_height -= 5;
+        break;
+    case 's':
+        img_width  += 5;
+        img_height += 5;
+        break;
+    default:
+        break;
+    }
+    fprintf(stderr, "Posi = %dx%d\n", x_pos, y_pos);
+    fprintf(stderr, "Size = %dx%d\n", img_width, img_height);
+    return VG_FALSE;
+}
+
+static void
+draw(void)
+{
+    VGint WINDSIZEX = window_width();
+    VGint WINDSIZEY = window_height();
+
+    VGPaint fill;
+    VGPath box;
+    VGfloat color[4]		= {1.f, 0.f, 0.f, 1.f};
+    VGfloat bgCol[4]		= {0.7f, 0.7f, 0.7f, 1.0f};
+    VGfloat transCol[4]         = {0.f, 0.f, 0.f, 0.f};
+    VGImage image = vgCreateImage(VG_sRGBA_8888, img_width, img_height,
+                                  VG_IMAGE_QUALITY_NONANTIALIASED);
+
+    /* Background clear */
+    fill = vgCreatePaint();
+    vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color);
+    vgSetPaint(fill, VG_FILL_PATH);
+
+    box = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F,
+                       1, 0, 0, 0, VG_PATH_CAPABILITY_ALL);
+    /* Rectangle to cover completely 16x16 pixel area. */
+    RectToPath(box, 0, 0, 64, 64);
+
+    vgSetfv(VG_CLEAR_COLOR, 4, transCol);
+    vgClearImage(image, 0, 0, img_width, img_height);
+    vgSetfv(VG_CLEAR_COLOR, 4, color);
+    vgClearImage(image, 10, 10, 12, 12);
+    //vgImageSubData(image, pukki_64x64_data, pukki_64x64_stride,
+    //               VG_sRGBA_8888, 0, 0, 32, 32);
+    vgSeti(VG_MASKING, VG_TRUE);
+    vgLoadIdentity();
+
+    vgSetfv(VG_CLEAR_COLOR, 4, bgCol);
+    vgClear(0, 0, WINDSIZEX, WINDSIZEY);
+
+
+    vgMask(image, VG_FILL_MASK, 0, 0, window_width(), window_height());
+    vgMask(image, VG_SET_MASK, x_pos, y_pos, 100, 100);
+
+    vgDrawPath(box, VG_FILL_PATH);
+
+    //vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE);
+    //vgTranslate(-10, -10);
+    //vgDrawImage(image);
+
+
+    vgDestroyPaint(fill);
+    vgDestroyPath(box);
+}
+
+
+int main(int argc, char **argv)
+{
+    set_window_size(64, 64);
+    return run(argc, argv, init, reshape,
+               draw, key_press);
+}