diff options
Diffstat (limited to 'progs/egl/openvg/trivial')
25 files changed, 2419 insertions, 0 deletions
diff --git a/progs/egl/openvg/trivial/Makefile b/progs/egl/openvg/trivial/Makefile new file mode 100644 index 0000000000..8f6d7abe89 --- /dev/null +++ b/progs/egl/openvg/trivial/Makefile @@ -0,0 +1,128 @@ +# progs/egl/openvg/trivial/Makefile +# These programs aren't intended to be included with the normal distro. +# They're not too interesting but they're good for testing. + +TOP = ../../../.. +include $(TOP)/configs/current + +INCLUDES = -I. -I$(TOP)/include +LIBS=-L$(TOP)/$(LIB_DIR) -lm -lX11 -lEGL -lOpenVG -lpthread +CFLAGS += $(INCLUDES) + +HEADERS=eglcommon.h + +PROGRAMS = \ + arc \ + cap \ + clear \ + coord \ + dash \ + ellipse \ + filter \ + gradorigin \ + lineto \ + lingrad \ + lookup \ + mask4 \ + mask \ + path3 \ + radialgrad \ + readpixels \ + roundedrect \ + star-nonzero \ + star-oddeven \ + stroke2 \ + stroke \ + vguarc + + +.c.o: + $(CC) -c $(INCLUDE_DIRS) $(CFLAGS) $< -o $@ + + + +default: $(PROGRAMS) + + +arc: arc.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +cap: cap.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +clear: clear.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +coord: coord.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +dash: dash.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +ellipse: ellipse.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +filter: filter.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +gradorigin: gradorigin.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +image: image.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +lineto: lineto.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +lingrad: lingrad.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +lookup: lookup.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +mask: mask.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +mask4: mask4.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +path3: path3.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +pattern: pattern.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +radialgrad: radialgrad.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +readpixels: readpixels.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +roundedrect: roundedrect.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +star-nonzero: star-nonzero.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +star-oddeven: star-oddeven.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +stroke: stroke.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +stroke2: stroke2.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + +vguarc: vguarc.c eglcommon.o + $(CC) $(CFLAGS) $^ $(LIBS) $(APP_LIB_DEPS) -o $@ + + + +eglcommon.o: eglcommon.c $(HEADERS) + $(CC) -c $(CFLAGS) eglcommon.c + + +clean: + rm -f *.o *~ + rm -f *.so + rm -f $(PROGRAMS) diff --git a/progs/egl/openvg/trivial/arc.c b/progs/egl/openvg/trivial/arc.c new file mode 100644 index 0000000000..db686bea6b --- /dev/null +++ b/progs/egl/openvg/trivial/arc.c @@ -0,0 +1,139 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> +#include <math.h> + +const VGfloat clear_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {1.0, 1.0, 1.0, 0.5}; + +VGPath vgPath; + +static void ellipse(VGPath vgPath, VGfloat rx, VGfloat ry, VGfloat angle) +{ + static const VGubyte cmd[] = + { VG_MOVE_TO_ABS, VG_SCCWARC_TO_REL, VG_SCCWARC_TO_REL, VG_CLOSE_PATH }; + + VGfloat val[12]; + VGfloat c = cos(angle) * rx; + VGfloat s = sin(angle) * rx; + + val[0] = c; + val[1] = s; + val[2] = rx; + val[3] = ry; + val[4] = angle; + val[5] = -2.0f * c; + val[6] = -2.0f * s; + val[7] = rx; + val[8] = ry; + val[9] = angle; + val[10] = 2.0f * c; + val[11] = 2.0f * s; + + vgClearPath(vgPath, VG_PATH_CAPABILITY_ALL); + vgAppendPathData(vgPath, sizeof(cmd), cmd, val); + vgDrawPath(vgPath, VG_FILL_PATH | VG_STROKE_PATH); +} + +static void +init(void) +{ + VGPaint vgPaint; + + vgSetfv(VG_CLEAR_COLOR, 4, clear_color); + vgPath = vgCreatePath(VG_PATH_FORMAT_STANDARD, + VG_PATH_DATATYPE_F, 1.0f, 0.0f, 0, 0, + VG_PATH_CAPABILITY_ALL); + + vgPaint = vgCreatePaint(); + vgSetParameteri(vgPaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR); + vgSetColor(vgPaint, 0x00ff00ff); + vgSetPaint(vgPaint, VG_FILL_PATH); + + vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED); + vgSeti(VG_BLEND_MODE, VG_BLEND_SRC_OVER); + vgSetf(VG_STROKE_LINE_WIDTH, 2.0f); + vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_SQUARE); + vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_MITER); + vgSetf(VG_STROKE_MITER_LIMIT, 4.0f); + vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + +#if 0 + vgLoadIdentity(); + vgTranslate(40.0f, 24.0f); + vgScale(0.61804f, 0.61804f); + vgShear(-1.0f, 0.0f); + vgDrawPath(vgPath, VG_FILL_PATH | VG_STROKE_PATH); +#else + + /* row 1, col 1: Identity transform. */ + + vgLoadIdentity(); + vgTranslate(8.0f, 8.0f); + ellipse(vgPath, 4.0f, 4.0f, 0.0f); + + /* row 1, col 2: 10^3 horizontal squeeze. */ + + vgLoadIdentity(); + vgTranslate(24.0f, 8.0f); + vgScale(1.0e-3f, 1.0f); + ellipse(vgPath, 4.0e3f, 4.0f, 0.0f); + + /* row 1, col 3: 10^6 horizontal squeeze. */ + + vgLoadIdentity(); + vgTranslate(40.0f, 8.0f); + vgScale(1.0e-6f, 1.0f); + ellipse(vgPath, 4.0e6f, 4.0f, 0.0f); + + /* row 1, col 4: 10^9 horizontal squeeze. */ + + vgLoadIdentity(); + vgTranslate(56.0f, 8.0f); + vgScale(1.0e-9f, 1.0f); + ellipse(vgPath, 4.0e9f, 4.0f, 0.0f); + + /* row 2, col 1: 10^3 vertical squeeze. */ + + vgLoadIdentity(); + vgTranslate(8.0f, 24.0f); + vgScale(1.0f, 1.0e-3f); + ellipse(vgPath, 4.0f, 4.0e3f, 0.0f); + + /* row 2, col 2: Shear 0. */ + + vgLoadIdentity(); + vgTranslate(24.0f, 24.0f); + vgShear(0.0f, 0.0f); + ellipse(vgPath, 4.0f, 4.0f, 0.0f); + + /* row 2, col 3: Horizontal shear -1. */ + + vgLoadIdentity(); + vgTranslate(40.0f, 24.0f); + vgScale(0.61804f, 0.61804f); + vgShear(-1.0f, 0.0f); + ellipse(vgPath, 10.47213f, 4.0f, 31.717f); +#endif + vgFlush(); +} + + +int main(int argc, char **argv) +{ + set_window_size(64, 64); + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/cap.c b/progs/egl/openvg/trivial/cap.c new file mode 100644 index 0000000000..cd84fe3ac0 --- /dev/null +++ b/progs/egl/openvg/trivial/cap.c @@ -0,0 +1,75 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +#include <math.h> +#include <stdlib.h> +#include <stdio.h> + +static void +init(void) +{ + +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ +} + +const int subtest = 0; +static void +draw(void) +{ + VGPath line; + VGPaint fillPaint; + VGubyte lineCommands[3] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS}; + VGfloat lineCoords[] = {-2.0f,-1.0f, 0.0f,0.0f, -1.0f, -2.0f}; + VGfloat clearColor[] = {0.0f, 0.0f, 0.0f, 1.0f};/* black color */ + VGfloat fillColor[] = {1.0f, 1.0f, 1.0f, 1.0f};/* white color */ + //VGfloat testRadius = 60.0f; + VGfloat testRadius = 10.0f; + int WINDSIZEX = window_width(); + int WINDSIZEY = window_height(); + + line = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, + 1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL); + fillPaint = vgCreatePaint(); + + vgSetf(VG_STROKE_LINE_WIDTH, 1.0f); + //vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_ROUND); + vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT); + vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND); + //vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_BEVEL); + + vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_BETTER); + + vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); + vgLoadIdentity(); + vgTranslate(60, 60); + vgScale(testRadius * 2, testRadius * 2); + + vgAppendPathData(line, 3, lineCommands, lineCoords); + + vgSetfv(VG_CLEAR_COLOR, 4, clearColor); + + vgSetPaint(fillPaint, VG_STROKE_PATH); + + vgSetParameterfv(fillPaint, VG_PAINT_COLOR, 4, fillColor); + vgSetParameteri( fillPaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR); + + vgClear(0, 0, WINDSIZEX, WINDSIZEY); + vgDrawPath(line, VG_STROKE_PATH); + + vgDestroyPath(line); + vgDestroyPaint(fillPaint); +} + + +int main(int argc, char **argv) +{ + set_window_size(100, 100); + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/clear.c b/progs/egl/openvg/trivial/clear.c new file mode 100644 index 0000000000..efb6bf4182 --- /dev/null +++ b/progs/egl/openvg/trivial/clear.c @@ -0,0 +1,42 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> +#include <stdio.h> + +float red_color[4] = {1.0, 0.0, 0.0, 1.0}; +float blue_color[4] = {0.0, 0.0, 1.0, 1.0}; + +static void +init(void) +{ +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + VGint scissor[4] = {100, 100, 25, 25}; + vgSetfv(VG_CLEAR_COLOR, 4, red_color); + vgClear(0, 0, window_width(), window_height()); + + vgSetfv(VG_CLEAR_COLOR, 4, blue_color); + vgClear(50, 50, 50, 50); + + //vgSetiv(VG_SCISSOR_RECTS, 4, scissor); + //vgSeti(VG_SCISSORING, VG_TRUE); + vgCopyPixels(100, 100, 50, 50, 50, 50); + vgClear(150, 150, 50, 50); +} + + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/coord.c b/progs/egl/openvg/trivial/coord.c new file mode 100644 index 0000000000..81f7cb6fc9 --- /dev/null +++ b/progs/egl/openvg/trivial/coord.c @@ -0,0 +1,66 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0}; + +VGPath path; +VGPaint fill; + + +static void +init(void) +{ + /* Absent VG_CLOSE_PATH */ + VGubyte commands[] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, + VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS}; + VGfloat clearColor[] = {1.0f, 1.0f, 1.0f, 1.0f};/* white color */ + VGfloat fillColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */ + VGfloat coords[] = {-16.0f, -16.0f, 0.0f, -16.0f, 0.0f, 0.0f, -16.0f, 0.0f, + 0.0f, 0.0f, 16.0f, 0.0f, 16.0f, 16.0f, 0.0f, 16.0f}; + + vgSetfv(VG_CLEAR_COLOR, 4, clearColor); + vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED); + + vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); + vgLoadIdentity(); + vgTranslate(32.0f, 32.0f); + + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1.0f, 0.0f, 0, 0, + VG_PATH_CAPABILITY_ALL); + if (path == VG_INVALID_HANDLE) + return; + fill = vgCreatePaint(); + if (fill == VG_INVALID_HANDLE) { + vgDestroyPath(path); + return; + } + vgAppendPathData(path, 8, commands, coords); + vgSetPaint(fill, VG_FILL_PATH); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, fillColor); + vgSetParameteri(fill, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgDrawPath(path, VG_FILL_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + set_window_size(64, 64); + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/dash.c b/progs/egl/openvg/trivial/dash.c new file mode 100644 index 0000000000..2e84ddbd4e --- /dev/null +++ b/progs/egl/openvg/trivial/dash.c @@ -0,0 +1,95 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> +#include <X11/keysym.h> +#include <stdio.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0}; + +VGPath path; +VGPaint fill; + +VGint cap_style = VG_CAP_BUTT; + +static void +init(void) +{ + static const VGubyte cmds[] = {VG_MOVE_TO_ABS, + VG_LINE_TO_ABS, + VG_LINE_TO_ABS + }; +#if 1 + static const VGfloat coords[] = {100, 100, 150, 100, + 150, 200 + }; +#else + static const VGfloat coords[] = {100, 20, 100, 220, + }; +#endif + VGfloat dash_pattern[2] = { 20.f, 20.f }; + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 3, cmds, coords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); + vgSetf(VG_STROKE_LINE_WIDTH, 20); + vgSeti(VG_STROKE_CAP_STYLE, cap_style); + vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND); + vgSetfv(VG_STROKE_DASH_PATTERN, 2, dash_pattern); + vgSetf(VG_STROKE_DASH_PHASE, 0.0f); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgDrawPath(path, VG_STROKE_PATH); + + vgFlush(); +} + +static int key_press(unsigned key) +{ + switch(key) { + case XK_c: + case XK_C: + ++cap_style; + if (cap_style > VG_CAP_SQUARE) + cap_style = VG_CAP_BUTT; + switch(cap_style) { + case VG_CAP_BUTT: + fprintf(stderr, "Cap style 'butt'\n"); + break; + case VG_CAP_ROUND: + fprintf(stderr, "Cap style 'round'\n"); + break; + case VG_CAP_SQUARE: + fprintf(stderr, "Cap style 'square'\n"); + break; + } + vgSeti(VG_STROKE_CAP_STYLE, cap_style); + break; + default: + break; + } + + return VG_TRUE; +} + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, key_press); +} diff --git a/progs/egl/openvg/trivial/eglcommon.c b/progs/egl/openvg/trivial/eglcommon.c new file mode 100644 index 0000000000..0316e596c6 --- /dev/null +++ b/progs/egl/openvg/trivial/eglcommon.c @@ -0,0 +1,289 @@ +#include "eglcommon.h" + + +#include <assert.h> +#include <math.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/keysym.h> +#include <VG/openvg.h> /* using full OpenGL for now */ +#include <GLES/egl.h> + + +static init_func init = 0; +static draw_func draw = 0; +static reshape_func reshape = 0; +static key_func keyPress = 0; +static VGint width = 300, height = 300; + + +void set_window_size(int w, int h) +{ + width = w; + height = h; +} + +/* + * Create an RGB, double-buffered X window. + * Return the window and context handles. + */ +static void +make_x_window(Display *x_dpy, EGLDisplay egl_dpy, + const char *name, + int x, int y, int width, int height, + Window *winRet, + EGLContext *ctxRet, + EGLSurface *surfRet) +{ + static const EGLint attribs[] = { + EGL_RED_SIZE, 1, + EGL_GREEN_SIZE, 1, + EGL_BLUE_SIZE, 1, + EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT, + EGL_NONE + }; + + int scrnum; + XSetWindowAttributes attr; + unsigned long mask; + Window root; + Window win; + XVisualInfo *visInfo, visTemplate; + int num_visuals; + EGLContext ctx; + EGLConfig config; + EGLint num_configs; + EGLint vid; + + scrnum = DefaultScreen( x_dpy ); + root = RootWindow( x_dpy, scrnum ); + + if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs) || + !num_configs) { + printf("Error: couldn't get an EGL visual config\n"); + exit(1); + } + + assert(config); + + if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) { + printf("Error: eglGetConfigAttrib() failed\n"); + exit(1); + } + + /* The X window visual must match the EGL config */ + visTemplate.visualid = vid; + visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals); + if (!visInfo) { + printf("Error: couldn't get X visual\n"); + exit(1); + } + + /* window attributes */ + attr.background_pixel = 0; + attr.border_pixel = 0; + attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone); + attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; + mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; + + win = XCreateWindow( x_dpy, root, 0, 0, width, height, + 0, visInfo->depth, InputOutput, + visInfo->visual, mask, &attr ); + + /* set hints and properties */ + { + XSizeHints sizehints; + sizehints.x = x; + sizehints.y = y; + sizehints.width = width; + sizehints.height = height; + sizehints.flags = USSize | USPosition; + XSetNormalHints(x_dpy, win, &sizehints); + XSetStandardProperties(x_dpy, win, name, name, + None, (char **)NULL, 0, &sizehints); + } + + eglBindAPI(EGL_OPENVG_API); + + ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL ); + if (!ctx) { + printf("Error: eglCreateContext failed\n"); + exit(1); + } + + *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL); + + if (!*surfRet) { + printf("Error: eglCreateWindowSurface failed\n"); + exit(1); + } + + XFree(visInfo); + + *winRet = win; + *ctxRet = ctx; +} + +static void +event_loop(Display *dpy, Window win, + EGLDisplay egl_dpy, EGLSurface egl_surf) +{ + while (1) { + int redraw = 0; + XEvent event; + + XNextEvent(dpy, &event); + + switch (event.type) { + case Expose: + redraw = 1; + break; + case ConfigureNotify: + if (reshape) { + width = event.xconfigure.width; + height = event.xconfigure.height; + reshape(event.xconfigure.width, event.xconfigure.height); + } + break; + case KeyPress: + { + char buffer[10]; + int r, code; + code = XLookupKeysym(&event.xkey, 0); + if (!keyPress || !keyPress(code)) { + r = XLookupString(&event.xkey, buffer, sizeof(buffer), + NULL, NULL); + if (buffer[0] == 27) { + /* escape */ + return; + } + } + } + redraw = 1; + break; + default: + ; /*no-op*/ + } + + if (redraw) { + draw(); + eglSwapBuffers(egl_dpy, egl_surf); + } + } +} + +int window_width(void) +{ + return width; +} + +int window_height(void) +{ + return height; +} + +static void +usage(void) +{ + printf("Usage:\n"); + printf(" -display <displayname> set the display to run on\n"); + printf(" -info display OpenGL renderer info\n"); +} + +int run(int argc, char **argv, + init_func init_f, + reshape_func resh_f, + draw_func draw_f, + key_func key_f) +{ + const int winWidth = width, winHeight = height; + Display *x_dpy; + Window win; + EGLSurface egl_surf; + EGLContext egl_ctx; + EGLDisplay egl_dpy; + char *dpyName = NULL; + GLboolean printInfo = GL_FALSE; + EGLint egl_major, egl_minor; + int i; + const char *s; + + init = init_f; + draw = draw_f; + reshape = resh_f; + keyPress = key_f; + + for (i = 1; i < argc; i++) { + if (strcmp(argv[i], "-display") == 0) { + dpyName = argv[i+1]; + i++; + } + else if (strcmp(argv[i], "-info") == 0) { + printInfo = GL_TRUE; + } + } + + x_dpy = XOpenDisplay(dpyName); + if (!x_dpy) { + printf("Error: couldn't open display %s\n", + dpyName ? dpyName : getenv("DISPLAY")); + return -1; + } + + egl_dpy = eglGetDisplay(x_dpy); + if (!egl_dpy) { + printf("Error: eglGetDisplay() failed\n"); + return -1; + } + + if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) { + printf("Error: eglInitialize() failed\n"); + return -1; + } + + s = eglQueryString(egl_dpy, EGL_VERSION); + printf("EGL_VERSION = %s\n", s); + + make_x_window(x_dpy, egl_dpy, + "OpenVG Example", 0, 0, winWidth, winHeight, + &win, &egl_ctx, &egl_surf); + + XMapWindow(x_dpy, win); + if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) { + printf("Error: eglMakeCurrent() failed\n"); + return -1; + } + + if (printInfo) { + printf("VG_RENDERER = %s\n", (char *) vgGetString(VG_RENDERER)); + printf("VG_VERSION = %s\n", (char *) vgGetString(VG_VERSION)); + printf("VG_VENDOR = %s\n", (char *) vgGetString(VG_VENDOR)); + } + + if (init) + init(); + + /* Set initial projection/viewing transformation. + * We can't be sure we'll get a ConfigureNotify event when the window + * first appears. + */ + if (reshape) + reshape(winWidth, winHeight); + + event_loop(x_dpy, win, egl_dpy, egl_surf); + + eglMakeCurrent(egl_dpy, 0, 0, 0); + eglDestroyContext(egl_dpy, egl_ctx); + eglDestroySurface(egl_dpy, egl_surf); + eglTerminate(egl_dpy); + + + XDestroyWindow(x_dpy, win); + XCloseDisplay(x_dpy); + + return 0; +} + diff --git a/progs/egl/openvg/trivial/eglcommon.h b/progs/egl/openvg/trivial/eglcommon.h new file mode 100644 index 0000000000..958dae9f98 --- /dev/null +++ b/progs/egl/openvg/trivial/eglcommon.h @@ -0,0 +1,20 @@ +#ifndef EGLCOMMON_H +#define EGLCOMMON_H + +typedef void (*init_func)(); +typedef void (*reshape_func)(int, int); +typedef void (*draw_func)(); +typedef int (*key_func)(unsigned key); + + +void set_window_size(int width, int height); +int window_width(void); +int window_height(void); + +int run(int argc, char **argv, + init_func init, + reshape_func resh, + draw_func draw, + key_func key); + +#endif diff --git a/progs/egl/openvg/trivial/ellipse.c b/progs/egl/openvg/trivial/ellipse.c new file mode 100644 index 0000000000..4c7d4904f8 --- /dev/null +++ b/progs/egl/openvg/trivial/ellipse.c @@ -0,0 +1,84 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +#include <math.h> +#include <stdlib.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {0.0, 0.0, 0.0, 1.0}; + +VGPath path; +VGPaint paint; + +static void +init(void) +{ + VGfloat clearColor[] = {1.0f, 1.0f, 1.0f, 1.0f};/* white color */ + VGfloat fillColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */ + static const VGubyte segments[4] = {VG_MOVE_TO_ABS, + VG_SCCWARC_TO_ABS, + VG_SCCWARC_TO_ABS, + VG_CLOSE_PATH}; + VGfloat data[12]; + const VGfloat cx = 0, cy=29, width=80, height=40; + const VGfloat hw = width * 0.5f; + const VGfloat hh = height * 0.5f; + + data[0] = cx + hw; + data[1] = cy; + data[2] = hw; + data[3] = hh; + data[4] = 0; + data[5] = cx - hw; + data[6] = cy; + data[7] = hw; + data[8] = hh; + data[9] = 0; + data[10] = data[0]; + data[11] = cy; + + vgSetfv(VG_CLEAR_COLOR, 4, clearColor); + vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED); + + + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, + 1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL); + if (path == VG_INVALID_HANDLE) { + return; + } + paint = vgCreatePaint(); + if (paint == VG_INVALID_HANDLE) { + vgDestroyPath(path); + return; + } + + vgAppendPathData(path, 4, segments, data); + vgSetParameterfv(paint, VG_PAINT_COLOR, 4, fillColor); + vgSetParameteri( paint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR); + vgSetPaint(paint, VG_FILL_PATH); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgLoadIdentity(); + vgTranslate(50, 21); + vgDrawPath(path, VG_FILL_PATH); + vgFlush(); +} + + +int main(int argc, char **argv) +{ + set_window_size(100, 100); + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/filter.c b/progs/egl/openvg/trivial/filter.c new file mode 100644 index 0000000000..d96257a933 --- /dev/null +++ b/progs/egl/openvg/trivial/filter.c @@ -0,0 +1,107 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +#include <math.h> +#include <stdlib.h> +#include <stdio.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {1.0, 1.0, 1.0, 0.5}; + +VGImage srcImg; +VGImage dstImg; + +VGPaint fill; + +VGfloat bgCol[4] = {0.906f, 0.914f, 0.761f, 1.0f}; + +static void +init(void) +{ + VGfloat red[4]; + VGfloat grey[4]; + VGfloat orange[4]; + VGfloat blue[4]; + VGfloat black[4]; + VGfloat white[4]; + VGshort transKernel[49] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + + red[0] = 0.6710f; + red[1] = 0.1060f; + red[2] = 0.1330f; + red[3] = 1.0f; + + grey[0] = 0.6347f; + grey[1] = 0.6561f; + grey[2] = 0.6057f; + grey[3] = 1.0f; + + orange[0] = 1.0000f; + orange[1] = 0.8227f; + orange[2] = 0.5057f; + orange[3] = 1.0f; + + blue[0] = 0.0000f; + blue[1] = 0.6908f; + blue[2] = 0.8595f; + blue[3] = 1.0f; + + black[0] = 0; + black[1] = 0; + black[2] = 0; + black[3] = 1.0f; + + white[0] = 1; + white[1] = 1; + white[2] = 1; + white[3] = 1.0f; + + vgSetfv(VG_TILE_FILL_COLOR, 4, blue); + + vgSeti(VG_FILTER_CHANNEL_MASK, 14); + + /* Setup images */ + srcImg = vgCreateImage(VG_sRGBA_8888, 32, 32, + VG_IMAGE_QUALITY_NONANTIALIASED); + dstImg = vgCreateImage(VG_sRGBA_8888, 32, 32, + VG_IMAGE_QUALITY_NONANTIALIASED); + + vgSetfv(VG_CLEAR_COLOR, 4, black); + vgClearImage(srcImg, 0, 0, 32, 32); + vgSetfv(VG_CLEAR_COLOR, 4, red); + vgClearImage(srcImg, 3, 3, 27, 27); + + vgSetfv(VG_CLEAR_COLOR, 4, orange); + vgClearImage(dstImg, 0, 0, 32, 32); + + transKernel[8] = 1; + vgConvolve(dstImg, srcImg, 3, 3, 3, 0, transKernel, + 1, 0, VG_TILE_FILL); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ +} + +static void +draw(void) +{ + vgSetfv(VG_CLEAR_COLOR, 4, bgCol); + vgClear(0, 0, window_width(), window_height()); + vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE); + vgLoadIdentity(); + vgTranslate(10, 10); + vgDrawImage(dstImg); + vgFlush(); +} + + +int main(int argc, char **argv) +{ + set_window_size(64, 64); + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/gradorigin.c b/progs/egl/openvg/trivial/gradorigin.c new file mode 100644 index 0000000000..b376263fe5 --- /dev/null +++ b/progs/egl/openvg/trivial/gradorigin.c @@ -0,0 +1,98 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +#include <stdio.h> +#include <string.h> + +static const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; + +static VGPath path; +static VGPaint fill; + +VGColorRampSpreadMode spread = VG_COLOR_RAMP_SPREAD_PAD; + +static void +init(void) +{ + VGubyte commands[5] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_CLOSE_PATH}; + VGfloat coords[8] = {0.0f,0.0f, 32.0f,0.0f, 32.0f,32.0f, 0.0f,32.0f }; + + VGfloat rampStop[20] = {-0.5f, 1.0f, 1.0f, 1.0f, 1.0f, + 0.25f, 1.0f, 0.0f, 0.0f, 1.0f, + 0.75f, 0.0f, 0.0f, 1.0f, 1.0f, + 1.5f, 0.0f, 0.0f, 0.0f, 0.0f}; + + VGfloat defaultColor[] = {1.0f, 1.0f, 1.0f, 1.0f}; + VGfloat linearGradient[4] = {0.0f, 0.0f, 0.0f, 32.0f}; + + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, + 1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL); + if (path == VG_INVALID_HANDLE) + return; + + fill = vgCreatePaint(); + if (fill == VG_INVALID_HANDLE) { + vgDestroyPath(path); + return; + } + + vgSetfv(VG_CLEAR_COLOR, 4, defaultColor); + vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED); + + vgAppendPathData(path, 5, commands, coords); + + vgSetPaint(fill, VG_FILL_PATH); + vgSetParameteri(fill, VG_PAINT_TYPE, VG_PAINT_TYPE_LINEAR_GRADIENT); + vgSetParameteri(fill, VG_PAINT_COLOR_RAMP_SPREAD_MODE, + VG_COLOR_RAMP_SPREAD_REPEAT); + vgSetParameterfv(fill, VG_PAINT_LINEAR_GRADIENT, 4, linearGradient); + vgSetParameterfv(fill, VG_PAINT_COLOR_RAMP_STOPS, 20, rampStop); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + + vgDrawPath(path, VG_FILL_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + if (argc > 1) { + const char *arg = argv[1]; + if (!strcmp("-pad", arg)) + spread = VG_COLOR_RAMP_SPREAD_PAD; + else if (!strcmp("-repeat", arg)) + spread = VG_COLOR_RAMP_SPREAD_REPEAT; + else if (!strcmp("-reflect", arg)) + spread = VG_COLOR_RAMP_SPREAD_REFLECT; + } + + switch(spread) { + case VG_COLOR_RAMP_SPREAD_PAD: + printf("Using spread mode: pad\n"); + break; + case VG_COLOR_RAMP_SPREAD_REPEAT: + printf("Using spread mode: repeat\n"); + break; + case VG_COLOR_RAMP_SPREAD_REFLECT: + printf("Using spread mode: reflect\n"); + } + + set_window_size(200, 200); + + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/lineto.c b/progs/egl/openvg/trivial/lineto.c new file mode 100644 index 0000000000..94e2981811 --- /dev/null +++ b/progs/egl/openvg/trivial/lineto.c @@ -0,0 +1,56 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0}; + +VGPath path; +VGPaint fill; + + +static void +init(void) +{ + static const VGubyte sqrCmds[5] = {VG_MOVE_TO_ABS, VG_HLINE_TO_ABS, VG_VLINE_TO_ABS, VG_HLINE_TO_ABS, VG_CLOSE_PATH}; + static const VGfloat sqrCoords[5] = {50.0f, 50.0f, 250.0f, 250.0f, 50.0f}; + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 5, sqrCmds, sqrCoords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); + vgSetf(VG_STROKE_LINE_WIDTH, 10); + vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT); + vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND); + vgSetf(VG_STROKE_MITER_LIMIT, 4.0f); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgSeti(VG_MATRIX_MODE, VG_MATRIX_STROKE_PAINT_TO_USER); + vgLoadIdentity(); + vgScale(2.25, 2.25); + vgDrawPath(path, VG_STROKE_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/lingrad.c b/progs/egl/openvg/trivial/lingrad.c new file mode 100644 index 0000000000..bcaad1f101 --- /dev/null +++ b/progs/egl/openvg/trivial/lingrad.c @@ -0,0 +1,87 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +#include <stdio.h> +#include <string.h> + +static const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; + +static VGPath path; +static VGPaint fill; + +VGColorRampSpreadMode spread = VG_COLOR_RAMP_SPREAD_PAD; + +static void +init(void) +{ + static const VGubyte sqrCmds[5] = {VG_MOVE_TO_ABS, VG_HLINE_TO_ABS, VG_VLINE_TO_ABS, VG_HLINE_TO_ABS, VG_CLOSE_PATH}; + static const VGfloat sqrCoords[5] = {0.0f, 0.0f, 400.0f, 400.0f, 0.0f}; + + VGfloat rampStop[] = {0.00f, 1.0f, 1.0f, 1.0f, 1.0f, + 0.33f, 1.0f, 0.0f, 0.0f, 1.0f, + 0.66f, 0.0f, 1.0f, 0.0f, 1.0f, + 1.00f, 0.0f, 0.0f, 1.0f, 1.0f}; + VGfloat linearGradient[4] = {100.0f, 100.0f, 300.0f, 300.0f}; + + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 5, sqrCmds, sqrCoords); + + fill = vgCreatePaint(); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetParameteri(fill, VG_PAINT_TYPE, VG_PAINT_TYPE_LINEAR_GRADIENT); + vgSetParameteri(fill, VG_PAINT_COLOR_RAMP_SPREAD_MODE, spread); + vgSetParameterfv(fill, VG_PAINT_LINEAR_GRADIENT, 4, linearGradient); + vgSetParameterfv(fill, VG_PAINT_COLOR_RAMP_STOPS, 20, rampStop); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + + vgDrawPath(path, VG_FILL_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + if (argc > 1) { + const char *arg = argv[1]; + if (!strcmp("-pad", arg)) + spread = VG_COLOR_RAMP_SPREAD_PAD; + else if (!strcmp("-repeat", arg)) + spread = VG_COLOR_RAMP_SPREAD_REPEAT; + else if (!strcmp("-reflect", arg)) + spread = VG_COLOR_RAMP_SPREAD_REFLECT; + } + + switch(spread) { + case VG_COLOR_RAMP_SPREAD_PAD: + printf("Using spread mode: pad\n"); + break; + case VG_COLOR_RAMP_SPREAD_REPEAT: + printf("Using spread mode: repeat\n"); + break; + case VG_COLOR_RAMP_SPREAD_REFLECT: + printf("Using spread mode: reflect\n"); + } + + set_window_size(400, 400); + + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/lookup.c b/progs/egl/openvg/trivial/lookup.c new file mode 100644 index 0000000000..a103ba4488 --- /dev/null +++ b/progs/egl/openvg/trivial/lookup.c @@ -0,0 +1,71 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +#include <math.h> +#include <stdlib.h> +#include <stdio.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {1.0, 1.0, 1.0, 0.5}; +VGfloat clearColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */ +VGImage parent; + +VGPaint fill; + +static void +init(void) +{ + VGImage child1, child2; + VGubyte *data; + VGuint LUT[256]; + VGint i; + + data = (VGubyte *)malloc(sizeof(VGubyte)*window_width()*window_height()); + + for (i=0;i<window_width()*window_height();i++) { + data[i] = 0x00; + } + + for (i=0; i<256; i++) { + if ( i == 0 ) + LUT[0] = 0xFFFFFFFF; + else + LUT[i] = 0xFF00FFFF; + } + + parent = vgCreateImage( VG_A_8, 64, 64, VG_IMAGE_QUALITY_NONANTIALIASED ); + + vgImageSubData(parent, data, window_width(), VG_A_8, 0, 0, + window_width(), window_height()); + child1 = vgChildImage(parent, 0, 0, 32, 64); + child2 = vgChildImage(parent, 32, 0, 32, 64); + + vgLookupSingle(child2, child1, LUT, VG_GREEN, VG_FALSE, VG_TRUE); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ +} + +static void +draw(void) +{ + vgSetfv(VG_CLEAR_COLOR, 4, clearColor); + vgClear(0, 0, window_width(), window_height()); + //vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE); + //vgLoadIdentity(); + //vgTranslate(10, 10); + vgDrawImage(parent); + vgFlush(); +} + + +int main(int argc, char **argv) +{ + set_window_size(64, 64); + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/mask.c b/progs/egl/openvg/trivial/mask.c new file mode 100644 index 0000000000..e5c00c5699 --- /dev/null +++ b/progs/egl/openvg/trivial/mask.c @@ -0,0 +1,58 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0}; + +VGPath path; +VGPaint fill; + + +static void +init(void) +{ + static const VGubyte sqrCmds[5] = {VG_MOVE_TO_ABS, VG_HLINE_TO_ABS, VG_VLINE_TO_ABS, VG_HLINE_TO_ABS, VG_CLOSE_PATH}; + static const VGfloat sqrCoords[5] = {50.0f, 50.0f, 250.0f, 250.0f, 50.0f}; + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 5, sqrCmds, sqrCoords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); + vgSetf(VG_STROKE_LINE_WIDTH, 10); + vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT); + vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND); + vgSetf(VG_STROKE_MITER_LIMIT, 4.0f); + + vgSeti(VG_MASKING, VG_TRUE); + + vgMask(VG_INVALID_HANDLE, VG_CLEAR_MASK, + 25, 25, 100, 100); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgDrawPath(path, VG_FILL_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, 0); +} 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); +} diff --git a/progs/egl/openvg/trivial/path3.c b/progs/egl/openvg/trivial/path3.c new file mode 100644 index 0000000000..5ce600f65a --- /dev/null +++ b/progs/egl/openvg/trivial/path3.c @@ -0,0 +1,77 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> +#include <VG/vgu.h> +#include <stdio.h> +#include <math.h> +#include <stdlib.h> + +static void +init(void) +{ +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ +} + + +static void +draw(void) +{ + VGint WINDSIZEX = window_width(); + VGint WINDSIZEY = window_height(); + VGPath path; + VGPaint paint; + + VGfloat clearColor[] = {1.0f, 1.0f, 1.0f, 0.0f};/* white color */ + VGfloat fillColor[] = {1.0f, 0.0f, 0.0f, 1.0f};/* red color */ + +#if 1 + VGubyte commands[4] = {VG_MOVE_TO_ABS, VG_LCWARC_TO_ABS, VG_SCWARC_TO_ABS, VG_CLOSE_PATH}; +#else + VGubyte commands[4] = {VG_MOVE_TO_ABS, VG_SCCWARC_TO_ABS, VG_LCCWARC_TO_ABS,VG_CLOSE_PATH}; +#endif + VGfloat coords[] = {32.0f, 0.0f, + -32.0f, -32.0f, 0.0f, 64.0f, 32.0f, + -32.0f, -32.0f, 0.0f, 32.0f, 0.0f}; + + + vgSetfv(VG_CLEAR_COLOR, 4, clearColor); + vgClear(0, 0, WINDSIZEX, WINDSIZEY); + vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED); + + vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); + vgLoadIdentity(); + //vgTranslate(32.0f, 32.0f); + + path = vgCreatePath( VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, + 1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL ); + if ( path == VG_INVALID_HANDLE ) { + return; + } + paint = vgCreatePaint(); + if ( paint == VG_INVALID_HANDLE ) { + vgDestroyPath(path); + return; + } + + vgAppendPathData(path, 4, commands, coords); + vgSetParameterfv(paint, VG_PAINT_COLOR, 4, fillColor); + vgSetParameteri( paint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR); + vgSetPaint(paint, VG_FILL_PATH); + vgDrawPath(path, VG_FILL_PATH); + + vgDestroyPath(path); + vgDestroyPaint(paint); +} + + +int main(int argc, char **argv) +{ + set_window_size(64, 64); + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/radialgrad.c b/progs/egl/openvg/trivial/radialgrad.c new file mode 100644 index 0000000000..cf3b1d522d --- /dev/null +++ b/progs/egl/openvg/trivial/radialgrad.c @@ -0,0 +1,99 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +#include <stdio.h> +#include <string.h> + +static const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; + +static VGPath path; +static VGPaint fill; + + +VGfloat centeredGradient[5] = {200.0f, 200.0f, 200.0f, 200.0f, 100}; +VGfloat noncenteredGradient[5] = {200.0f, 200.0f, 250.0f, 250.0f, 100}; +VGfloat *radialGradient = centeredGradient; + +VGColorRampSpreadMode spread = VG_COLOR_RAMP_SPREAD_PAD; + +static void +init(void) +{ + static const VGubyte sqrCmds[5] = {VG_MOVE_TO_ABS, VG_HLINE_TO_ABS, VG_VLINE_TO_ABS, VG_HLINE_TO_ABS, VG_CLOSE_PATH}; + static const VGfloat sqrCoords[5] = {0.0f, 0.0f, 400.0f, 400.0f, 0.0f}; + + VGfloat rampStop[] = {0.00f, 1.0f, 1.0f, 1.0f, 1.0f, + 0.33f, 1.0f, 0.0f, 0.0f, 1.0f, + 0.66f, 0.0f, 1.0f, 0.0f, 1.0f, + 1.00f, 0.0f, 0.0f, 1.0f, 1.0f}; + + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 5, sqrCmds, sqrCoords); + + fill = vgCreatePaint(); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetParameteri(fill, VG_PAINT_TYPE, VG_PAINT_TYPE_RADIAL_GRADIENT); + vgSetParameteri(fill, VG_PAINT_COLOR_RAMP_SPREAD_MODE, spread); + vgSetParameterfv(fill, VG_PAINT_RADIAL_GRADIENT, 5, radialGradient); + vgSetParameterfv(fill, VG_PAINT_COLOR_RAMP_STOPS, 20, rampStop); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + + vgDrawPath(path, VG_FILL_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + VGint i; + for (i = 1; i < argc; ++i) { + const char *arg = argv[i]; + if (!strcmp("-pad", arg)) + spread = VG_COLOR_RAMP_SPREAD_PAD; + else if (!strcmp("-repeat", arg)) + spread = VG_COLOR_RAMP_SPREAD_REPEAT; + else if (!strcmp("-reflect", arg)) + spread = VG_COLOR_RAMP_SPREAD_REFLECT; + else if (!strcmp("-center", arg)) { + printf("Centered radial gradient\n"); + radialGradient = centeredGradient; + } else if (!strcmp("-noncenter", arg)) { + printf("Non centered radial gradient\n"); + radialGradient = noncenteredGradient; + } + } + + switch(spread) { + case VG_COLOR_RAMP_SPREAD_PAD: + printf("Using spread mode: pad\n"); + break; + case VG_COLOR_RAMP_SPREAD_REPEAT: + printf("Using spread mode: repeat\n"); + break; + case VG_COLOR_RAMP_SPREAD_REFLECT: + printf("Using spread mode: reflect\n"); + } + + set_window_size(400, 400); + + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/readpixels.c b/progs/egl/openvg/trivial/readpixels.c new file mode 100644 index 0000000000..c8e286db9a --- /dev/null +++ b/progs/egl/openvg/trivial/readpixels.c @@ -0,0 +1,75 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +float red_color[4] = {1.0, 0.0, 0.0, 1.0}; +float blue_color[4] = {0.0, 0.0, 1.0, 1.0}; +VGint *data; + +static void +init(void) +{ + data = malloc(sizeof(VGint)*2048*2048); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + static const VGint red_pixel = 255 << 24 | 255 << 16 | 0 << 8 | 0; + static const VGint blue_pixel = 255 << 24 | 0 << 16 | 0 << 8 | 255; + VGint i; + + vgSetfv(VG_CLEAR_COLOR, 4, red_color); + vgClear(0, 0, window_width(), window_height()); + vgFlush(); + + memset(data, 0, window_width() * window_height() * sizeof(VGint)); + + vgReadPixels(data, window_width() * sizeof(VGint), + VG_lARGB_8888, + 0, 0, window_width(), window_height()); + + fprintf(stderr, "Red 0 = 0x%x and at 600 = 0x%x\n", + data[0], data[600]); + for (i = 0; i < window_width() * window_height(); ++i) { + assert(data[i] == red_pixel); + } + + vgSetfv(VG_CLEAR_COLOR, 4, blue_color); + vgClear(50, 50, 50, 50); + vgFlush(); + + memset(data, 0, window_width() * window_height() * sizeof(VGint)); + + vgReadPixels(data, 50 * sizeof(VGint), + VG_lARGB_8888, + 50, 50, 50, 50); + + fprintf(stderr, "Blue 0 = 0x%x and at 100 = 0x%x\n", + data[0], data[100]); + for (i = 0; i < 50 * 50; ++i) { + assert(data[i] == blue_pixel); + } +} + + +int main(int argc, char **argv) +{ + int ret = run(argc, argv, init, reshape, + draw, 0); + + free(data); + return ret; +} diff --git a/progs/egl/openvg/trivial/roundedrect.c b/progs/egl/openvg/trivial/roundedrect.c new file mode 100644 index 0000000000..c80a4ed299 --- /dev/null +++ b/progs/egl/openvg/trivial/roundedrect.c @@ -0,0 +1,67 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {0.9, 0.1, 0.1, 0.8}; + +VGPath path; +VGPaint fill; + + +static void +init(void) +{ + static const VGubyte sqrCmds[10] = {VG_MOVE_TO_ABS, + VG_LINE_TO_ABS, + VG_CUBIC_TO_ABS, + VG_LINE_TO_ABS, + VG_CUBIC_TO_ABS, + VG_LINE_TO_ABS, + VG_CUBIC_TO_ABS, + VG_LINE_TO_ABS, + VG_CUBIC_TO_ABS, + VG_CLOSE_PATH}; + static const VGfloat sqrCoords[] = { + 45.885571, 62.857143, + 154.11442, 62.857143, + 162.1236, 62.857143, 168.57142, 70.260744, 168.57142, 79.457144, + 168.57142, 123.4, + 168.57142, 132.5964, 162.1236, 140, 154.11442, 140, + 45.885571, 140, + 37.876394, 140, 31.428572, 132.5964, 31.428572, 123.4, + 31.428572, 79.457144, + 31.428572, 70.260744, 37.876394,62.857143, 45.885571,62.857143 + }; + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 10, sqrCmds, sqrCoords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); + vgSetf(VG_STROKE_LINE_WIDTH, 6); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgDrawPath(path, VG_STROKE_PATH); +} + + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/star-nonzero.c b/progs/egl/openvg/trivial/star-nonzero.c new file mode 100644 index 0000000000..012fbd3929 --- /dev/null +++ b/progs/egl/openvg/trivial/star-nonzero.c @@ -0,0 +1,55 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat green_color[4] = {0.0, 1.0, 0.0, 0.8}; + +VGPath path; +VGPaint fill; + + +static void +init(void) +{ + static const VGubyte cmds[6] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, + VG_LINE_TO_ABS, VG_CLOSE_PATH}; + static const VGfloat coords[] = { 0, 200, + 300, 200, + 50, 0, + 150, 300, + 250, 0}; + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 6, cmds, coords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, green_color); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); + vgSeti(VG_FILL_RULE, VG_NON_ZERO); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgDrawPath(path, VG_FILL_PATH | VG_STROKE_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/star-oddeven.c b/progs/egl/openvg/trivial/star-oddeven.c new file mode 100644 index 0000000000..17311cf720 --- /dev/null +++ b/progs/egl/openvg/trivial/star-oddeven.c @@ -0,0 +1,102 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat green_color[4] = {0.0, 1.0, 0.0, 0.8}; +const VGfloat black_color[4] = {0.0, 0.0, 0.0, 1.0}; + +VGPath path; +VGPaint fill; + + +static void draw_point(VGfloat x, VGfloat y) +{ + + static const VGubyte cmds[] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, + VG_LINE_TO_ABS, VG_CLOSE_PATH}; + const VGfloat coords[] = { x - 2, y - 2, + x + 2, y - 2, + x + 2, y + 2, + x - 2, y + 2}; + VGPath path; + VGPaint fill; + + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_ALL); + vgAppendPathData(path, 5, cmds, coords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, black_color); + vgSetPaint(fill, VG_FILL_PATH); + + vgDrawPath(path, VG_FILL_PATH); + + vgDestroyPath(path); + vgDestroyPaint(fill); +} + +static void draw_marks(VGPath path) +{ + VGfloat point[2], tangent[2]; + int i = 0; + + for (i = 0; i < 1300; i += 50) { + vgPointAlongPath(path, 0, 6, i, + point + 0, point + 1, + tangent + 0, tangent + 1); + draw_point(point[0], point[1]); + } +} + +static void +init(void) +{ + static const VGubyte cmds[6] = {VG_MOVE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, VG_LINE_TO_ABS, + VG_LINE_TO_ABS, VG_CLOSE_PATH}; + static const VGfloat coords[] = { 0, 200, + 300, 200, + 50, 0, + 150, 300, + 250, 0}; + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_ALL); + vgAppendPathData(path, 6, cmds, coords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, green_color); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + VGfloat point[2], tangent[2]; + int i = 0; + + vgClear(0, 0, window_width(), window_height()); + + vgSetPaint(fill, VG_FILL_PATH); + vgDrawPath(path, VG_FILL_PATH); + + draw_marks(path); + + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, 0); +} diff --git a/progs/egl/openvg/trivial/stroke.c b/progs/egl/openvg/trivial/stroke.c new file mode 100644 index 0000000000..58ae5b7bc8 --- /dev/null +++ b/progs/egl/openvg/trivial/stroke.c @@ -0,0 +1,116 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> +#include <X11/keysym.h> +#include <stdio.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0}; + +VGPath path; +VGPaint fill; + +VGint cap_style = VG_CAP_BUTT; +VGint join_style = VG_JOIN_MITER; + +static void +init(void) +{ +#if 0 + static const VGubyte cmds[] = {VG_MOVE_TO_ABS, + VG_CUBIC_TO_ABS, + }; + static const VGfloat coords[] = {30, 30, 264, 0, 0, 264, 234, 234 + }; +#else + static const VGubyte cmds[] = {VG_MOVE_TO_ABS, + VG_LINE_TO_ABS, + VG_LINE_TO_ABS + }; + static const VGfloat coords[] = {30, 30, 202, 30, 150, 224 + }; +#endif + VGfloat dash_pattern[2] = { 20.f, 20.f }; + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + vgAppendPathData(path, 3, cmds, coords); + + fill = vgCreatePaint(); + vgSetParameterfv(fill, VG_PAINT_COLOR, 4, color); + vgSetPaint(fill, VG_FILL_PATH); + + vgSetfv(VG_CLEAR_COLOR, 4, white_color); + vgSetf(VG_STROKE_LINE_WIDTH, 20); + vgSeti(VG_STROKE_CAP_STYLE, cap_style); + vgSeti(VG_STROKE_JOIN_STYLE, join_style); + vgSetfv(VG_STROKE_DASH_PATTERN, 2, dash_pattern); + vgSetf(VG_STROKE_DASH_PHASE, 0.0f); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgDrawPath(path, VG_STROKE_PATH); + + vgFlush(); +} + +static int key_press(unsigned key) +{ + switch(key) { + case XK_c: + case XK_C: + ++cap_style; + if (cap_style > VG_CAP_SQUARE) + cap_style = VG_CAP_BUTT; + switch(cap_style) { + case VG_CAP_BUTT: + fprintf(stderr, "Cap style 'butt'\n"); + break; + case VG_CAP_ROUND: + fprintf(stderr, "Cap style 'round'\n"); + break; + case VG_CAP_SQUARE: + fprintf(stderr, "Cap style 'square'\n"); + break; + } + vgSeti(VG_STROKE_CAP_STYLE, cap_style); + break; + case XK_j: + case XK_J: + ++join_style; + if (join_style > VG_JOIN_BEVEL) + join_style = VG_JOIN_MITER; + switch(join_style) { + case VG_JOIN_MITER: + fprintf(stderr, "Join style 'miter'\n"); + break; + case VG_JOIN_ROUND: + fprintf(stderr, "Join style 'round'\n"); + break; + case VG_JOIN_BEVEL: + fprintf(stderr, "Join style 'bevel'\n"); + break; + } + vgSeti(VG_STROKE_JOIN_STYLE, join_style); + break; + default: + break; + } + + return VG_TRUE; +} + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, key_press); +} diff --git a/progs/egl/openvg/trivial/stroke2.c b/progs/egl/openvg/trivial/stroke2.c new file mode 100644 index 0000000000..ce950c1886 --- /dev/null +++ b/progs/egl/openvg/trivial/stroke2.c @@ -0,0 +1,207 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> +#include <X11/keysym.h> +#include <stdio.h> + +VGPaint stroke; +VGPath target; +VGPath lines; + +VGfloat xform[9]; +VGfloat color1[4]; +VGfloat color2[4]; +VGfloat bgCol[4]; + +static void +init(void) +{ + VGubyte lineCmds[6]; + VGfloat lineCoords[8]; + VGfloat arcCoords[5]; + VGubyte sccCmd[1]; + VGubyte scCmd[1]; + VGubyte lccCmd[1]; + VGubyte lcCmd[1]; + VGubyte moveCmd[1]; + VGfloat moveCoords[2]; + VGint i; + + bgCol[0] = 1.0f; + bgCol[1] = 1.0f; + bgCol[2] = 1.0f; + bgCol[3] = 1.0f; + + vgSetfv(VG_CLEAR_COLOR, 4, bgCol); + vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED); + + stroke = vgCreatePaint(); + /* Red */ + color1[0] = 1.0f; + color1[1] = 0.0f; + color1[2] = 0.0f; + color1[3] = 1.0f; + + /* Orange */ + color2[0] = 1.0000f; + color2[1] = 1.0f; + color2[2] = 0.0f; + color2[3] = 1.0f; + vgSetPaint(stroke, VG_STROKE_PATH); + + vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_SQUARE); + + { + VGfloat temp[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0}; + for (i = 0; i < 9; i++) + { + xform[i] = temp[i]; + } + } + vgGetMatrix(xform); + + target = vgCreatePath(VG_PATH_FORMAT_STANDARD, + VG_PATH_DATATYPE_F, 1, 0, 0, 0, VG_PATH_CAPABILITY_TRANSFORM_TO); + +#if 0 + /* Line path */ + { + VGubyte temp[6] = {VG_MOVE_TO_ABS, VG_VLINE_TO_REL, + VG_MOVE_TO_ABS, VG_VLINE_TO_REL, + VG_HLINE_TO_REL, VG_VLINE_TO_REL}; + for (i = 0; i < 6; i++) + { + lineCmds[i] = temp[i]; + } + } + { + VGfloat temp[8] = {0.5f, 0.8f, -0.6f, 0.28f, 0.6f, -0.4f, 0.44f, 0.4f}; + for (i = 0; i < 8; i++) + { + lineCoords[i] = temp[i] * window_width(); + } + } +#else + { + VGfloat temp[5] = {0.35f, 0.15f, 29, 0.3f, 0.4f}; + for (i = 0; i < 5; i++) + { + arcCoords[i] = temp[i] * window_width(); + } + arcCoords[2] = 29; + } + + { + VGubyte temp[1] = {VG_SCCWARC_TO_ABS}; + for (i = 0; i < 1; i++) + { + sccCmd[i] = temp[i]; + } + } + { + VGubyte temp[1] = {VG_SCWARC_TO_ABS}; + for (i = 0; i < 1; i++) + { + scCmd[i] = temp[i]; + } + } + { + VGubyte temp[1] = {VG_LCCWARC_TO_ABS}; + for (i = 0; i < 1; i++) + { + lccCmd[i] = temp[i]; + } + } + { + VGubyte temp[1] = {VG_LCWARC_TO_ABS}; + for (i = 0; i < 1; i++) + { + lcCmd[i] = temp[i]; + } + } + + { + VGubyte temp[1] = {VG_MOVE_TO_ABS}; + for (i = 0; i < 1; i++) + { + moveCmd[i] = temp[i]; + } + } + { + VGfloat temp[2] = {0.7f, 0.6f}; + for (i = 0; i < 2; i++) + { + moveCoords[i] = temp[i] * window_width(); + } + } +#endif + + lines = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, + 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO| + VG_PATH_CAPABILITY_TRANSFORM_FROM); +#if 0 + vgAppendPathData(lines, 6, lineCmds, lineCoords); +#else + vgAppendPathData(lines, 1, moveCmd, moveCoords); + vgAppendPathData(lines, 1, sccCmd, arcCoords); + vgAppendPathData(lines, 1, moveCmd, moveCoords); + vgAppendPathData(lines, 1, scCmd, arcCoords); + vgAppendPathData(lines, 1, moveCmd, moveCoords); + vgAppendPathData(lines, 1, lccCmd, arcCoords); + vgAppendPathData(lines, 1, moveCmd, moveCoords); + vgAppendPathData(lines, 1, lcCmd, arcCoords); +#endif + + vgLoadIdentity(); + vgTranslate(0.25f * window_width(), 0.25f * window_height()); + vgRotate(30); + vgTranslate(-0.25f * window_width(), -0.25f * window_height()); + vgTransformPath(target, lines);} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgLoadMatrix(xform); + vgLoadIdentity(); + vgTranslate(0.25f * window_width(), 0.25f * window_height()); + vgRotate(30); + vgTranslate(-0.25f * window_width(), -0.25f * window_height()); + vgSetf(VG_STROKE_LINE_WIDTH, 7); + vgSetParameterfv(stroke, VG_PAINT_COLOR, 4, color1); + vgDrawPath(lines, VG_STROKE_PATH); + + vgLoadMatrix(xform); + vgSetParameterfv(stroke, VG_PAINT_COLOR, 4, color2); + vgSetf(VG_STROKE_LINE_WIDTH, 3); + vgDrawPath(target, VG_STROKE_PATH); +} + +static int key_press(unsigned key) +{ + switch(key) { + case XK_c: + case XK_C: + break; + case XK_j: + case XK_J: + break; + default: + break; + } + + return VG_TRUE; +} + +int main(int argc, char **argv) +{ + return run(argc, argv, init, reshape, + draw, key_press); +} diff --git a/progs/egl/openvg/trivial/vguarc.c b/progs/egl/openvg/trivial/vguarc.c new file mode 100644 index 0000000000..8d971d5c09 --- /dev/null +++ b/progs/egl/openvg/trivial/vguarc.c @@ -0,0 +1,74 @@ +#include "eglcommon.h" + +#include <VG/openvg.h> +#include <VG/vgu.h> + +const VGfloat white_color[4] = {1.0, 1.0, 1.0, 1.0}; +const VGfloat color[4] = {0.4, 0.1, 1.0, 1.0}; + +VGPath path; +VGPaint paint; + + +static void +init(void) +{ + VGfloat clearColor[] = {0.0f, 0.0f, 0.0f, 1.0f};/* black color */ + VGfloat greenColor[] = {0.0f, 1.0f, 0.0f, 1.0f};/* green color */ + VGint arcType = VGU_ARC_OPEN; + VGfloat x, y, w, h, startAngle, angleExtent; + + x = 150; + y = 150; + w = 150; + h = 150; +#if 0 + startAngle = -540.0f; + angleExtent = 270.0f; +#else + startAngle = 270.0f; + angleExtent = 90.0f; +#endif + + paint = vgCreatePaint(); + + vgSetPaint(paint, VG_STROKE_PATH); + vgSetParameterfv(paint, VG_PAINT_COLOR, 4, greenColor); + vgSetParameteri( paint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR); + vgSetf(VG_STROKE_LINE_WIDTH, 6.0f); + vgSeti(VG_RENDERING_QUALITY, VG_RENDERING_QUALITY_NONANTIALIASED); + vgSetfv(VG_CLEAR_COLOR, 4, clearColor); + + path = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, + 1.0f, 0.0f, 0, 0, VG_PATH_CAPABILITY_ALL); + + vguArc(path, x, y, w, h, startAngle, angleExtent, arcType); + + vgSeti(VG_STROKE_CAP_STYLE, VG_CAP_BUTT); + vgSeti(VG_STROKE_JOIN_STYLE, VG_JOIN_BEVEL); + vgSetf(VG_STROKE_MITER_LIMIT, 4.0f); +} + +/* new window size or exposure */ +static void +reshape(int w, int h) +{ + vgLoadIdentity(); +} + +static void +draw(void) +{ + vgClear(0, 0, window_width(), window_height()); + vgDrawPath(path, VG_STROKE_PATH); + + vgFlush(); +} + + +int main(int argc, char **argv) +{ + // set_window_size(64, 63); + return run(argc, argv, init, reshape, + draw, 0); +} |