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[broadway] Remove old demo code
This commit is contained in:
Alexander Larsson
parent
edd186e274
commit
2cb9ce954e
@ -82,7 +82,4 @@ EXTRA_DIST += $(broadway_built_sources)
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BUILT_SOURCES = $(broadway_built_sources)
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noinst_PROGRAMS = broadway-demo
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broadway_demo_LDADD = -lz -lcairo libbroadway.la -lglib-2.0
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-include $(top_srcdir)/git.mk
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@ -1,230 +0,0 @@
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/* Build with
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gcc -lm -lz -O2 -Wall `pkg-config --libs --cflags cairo` -o broadway broadway.c demo.c
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*/
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#include "broadway.h"
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#include <math.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <cairo.h>
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static void
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diff_surfaces (cairo_surface_t *surface,
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cairo_surface_t *old_surface)
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{
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uint8_t *data, *old_data;
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uint32_t *line, *old_line;
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int w, h, stride, old_stride;
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int x, y;
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data = cairo_image_surface_get_data (surface);
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old_data = cairo_image_surface_get_data (old_surface);
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w = cairo_image_surface_get_width (surface);
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h = cairo_image_surface_get_height (surface);
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stride = cairo_image_surface_get_stride (surface);
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old_stride = cairo_image_surface_get_stride (old_surface);
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for (y = 0; y < h; y++)
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{
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line = (uint32_t *)data;
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old_line = (uint32_t *)old_data;
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for (x = 0; x < w; x++)
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{
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if ((*line & 0xffffff) == (*old_line & 0xffffff))
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*old_line = 0;
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else
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*old_line = *line | 0xff000000;
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line ++;
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old_line ++;
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}
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data += stride;
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old_data += old_stride;
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}
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}
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static void
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snippet(cairo_t *cr, int i)
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{
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if (1)
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{
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cairo_save(cr);
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cairo_rotate (cr, i * 0.002);
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/* a custom shape that could be wrapped in a function */
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double x0 = 25.6, /* parameters like cairo_rectangle */
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y0 = 25.6,
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rect_width = 204.8,
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rect_height = 204.8,
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radius = 102.4; /* and an approximate curvature radius */
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double x1,y1;
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x1=x0+rect_width;
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y1=y0+rect_height;
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if (rect_width/2<radius) {
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if (rect_height/2<radius) {
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cairo_move_to (cr, x0, (y0 + y1)/2);
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cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1)/2, y0);
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cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1)/2);
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cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0)/2, y1);
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cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1)/2);
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} else {
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cairo_move_to (cr, x0, y0 + radius);
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cairo_curve_to (cr, x0 ,y0, x0, y0, (x0 + x1)/2, y0);
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cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius);
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cairo_line_to (cr, x1 , y1 - radius);
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cairo_curve_to (cr, x1, y1, x1, y1, (x1 + x0)/2, y1);
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cairo_curve_to (cr, x0, y1, x0, y1, x0, y1- radius);
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}
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} else {
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if (rect_height/2<radius) {
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cairo_move_to (cr, x0, (y0 + y1)/2);
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cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0);
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cairo_line_to (cr, x1 - radius, y0);
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cairo_curve_to (cr, x1, y0, x1, y0, x1, (y0 + y1)/2);
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cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1);
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cairo_line_to (cr, x0 + radius, y1);
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cairo_curve_to (cr, x0, y1, x0, y1, x0, (y0 + y1)/2);
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} else {
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cairo_move_to (cr, x0, y0 + radius);
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cairo_curve_to (cr, x0 , y0, x0 , y0, x0 + radius, y0);
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cairo_line_to (cr, x1 - radius, y0);
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cairo_curve_to (cr, x1, y0, x1, y0, x1, y0 + radius);
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cairo_line_to (cr, x1 , y1 - radius);
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cairo_curve_to (cr, x1, y1, x1, y1, x1 - radius, y1);
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cairo_line_to (cr, x0 + radius, y1);
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cairo_curve_to (cr, x0, y1, x0, y1, x0, y1- radius);
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}
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}
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cairo_close_path (cr);
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cairo_set_source_rgb (cr, 0.5, 0.5, 1);
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cairo_fill_preserve (cr);
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cairo_set_source_rgba (cr, 0.5, 0, 0, 0.5);
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cairo_set_line_width (cr, 10.0);
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cairo_stroke (cr);
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cairo_restore(cr);
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}
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if (1)
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{
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double xc = 128.0;
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double yc = 128.0;
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double radius = 100.0;
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double angle1 = (45.0 + i * 5) * (M_PI/180.0); /* angles are specified */
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double angle2 = (180.0 + i * 5) * (M_PI/180.0); /* in radians */
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cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
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cairo_set_line_width (cr, 10.0);
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cairo_arc (cr, xc, yc, radius, angle1, angle2);
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cairo_stroke (cr);
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/* draw helping lines */
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cairo_set_source_rgba (cr, 1, 0.2, 0.2, 0.6);
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cairo_set_line_width (cr, 6.0);
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cairo_arc (cr, xc, yc, 10.0, 0, 2*M_PI);
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cairo_fill (cr);
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cairo_arc (cr, xc, yc, radius, angle1, angle1);
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cairo_line_to (cr, xc, yc);
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cairo_arc (cr, xc, yc, radius, angle2, angle2);
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cairo_line_to (cr, xc, yc);
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cairo_stroke (cr);
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}
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}
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static void
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demo2 (BroadwayOutput *output)
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{
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cairo_t *cr;
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cairo_surface_t *surface, *old_surface;
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BroadwayRect rects[2];
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double da = 0;
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int i;
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broadway_output_new_surface(output, 0, 100, 100, 800, 600, 0);
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surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
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800, 600);
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old_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
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800, 600);
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cr = cairo_create (old_surface);
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cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
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cairo_rectangle (cr, 0, 0, 800, 600);
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cairo_fill (cr);
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cairo_destroy (cr);
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for (i = 0; i < 100; i++)
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{
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cr = cairo_create (surface);
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cairo_set_source_rgb (cr, 0.8, 0.8, 0.8);
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cairo_rectangle (cr, 0, 0, 800, 600);
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cairo_fill (cr);
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snippet(cr, i);
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cairo_destroy (cr);
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if (i == 0)
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{
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broadway_output_put_rgb (output, 0, 0, 0, 800, 600, 800*4,
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cairo_image_surface_get_data(surface)
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);
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broadway_output_show_surface (output, 0);
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}
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else
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{
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diff_surfaces (surface,
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old_surface);
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broadway_output_put_rgba (output, 0, 0, 0, 800, 600, 800*4,
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cairo_image_surface_get_data(old_surface));
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}
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broadway_output_move_resize_surface (output, 0, 1, 100 + i, 100 + i, 0, 0, 0);
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rects[0].x = 500;
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rects[0].y = 0;
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rects[0].width = 100;
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rects[0].height = 100;
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rects[1].x = 600;
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rects[1].y = 100;
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rects[1].width = 100;
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rects[1].height = 100;
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broadway_output_copy_rectangles (output,
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0,
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rects, 2,
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400, 0);
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broadway_output_flush (output);
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cr = cairo_create (old_surface);
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cairo_set_source_surface (cr, surface, 0, 0);
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cairo_paint (cr);
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cairo_destroy (cr);
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da += 10;
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usleep (50 * 1000);
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}
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cairo_surface_destroy (surface);
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broadway_output_destroy_surface(output, 0);
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broadway_output_flush (output);
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}
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int
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main (int argc, char *argv[])
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{
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BroadwayOutput *output;
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output = broadway_output_new (STDOUT_FILENO, 1);
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demo2(output);
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return 0;
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}
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