summaryrefslogtreecommitdiffstats
path: root/progs/egl/openvg/trivial/mask4.c
diff options
context:
space:
mode:
Diffstat (limited to 'progs/egl/openvg/trivial/mask4.c')
-rw-r--r--progs/egl/openvg/trivial/mask4.c132
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 00000000000..fe6db39648c
--- /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);
+}