From fc3ddd4b566380e7684c780450016e3e191a4160 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Thu, 1 Apr 2010 14:20:24 +0800 Subject: 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. --- progs/egl/openvg/trivial/mask4.c | 132 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 progs/egl/openvg/trivial/mask4.c (limited to 'progs/egl/openvg/trivial/mask4.c') 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 +#include +#include +#include +#include + +#include + +//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); +} -- cgit v1.2.3