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#include <config.h>
#include <assert.h>
#include <err.h>
#include "caskbench_context.h"
#include <cairo.h>
#ifdef HAVE_CAIRO_GL_H
# include <cairo-gl.h>
#endif
#ifdef USE_SKIA
# include <SkBitmap.h>
# include <SkBitmapDevice.h>
# include <SkPaint.h>
# include <SkCanvas.h>
#endif
void
context_init(caskbench_context_t *context, int size)
{
assert(context);
assert(size > 0);
context->size = size;
context->canvas_width = 800;
context->canvas_height = 400;
context->skia_device = NULL;
context->skia_paint = NULL;
context->setup_cairo = NULL;
context->setup_skia = NULL;
context->destroy_cairo = NULL;
context->destroy_skia = NULL;
context->update_cairo = NULL;
context->update_skia = NULL;
context->tolerance = 0.25;
}
void
context_setup_cairo(caskbench_context_t *context, const device_config_t& config)
{
if (config.surface_type == NULL || !strncmp(config.surface_type, "image", 5)) {
context->setup_cairo = create_cairo_surface_image;
context->destroy_cairo = destroy_cairo_image;
context->update_cairo = update_cairo_image;
} else if (!strncmp(config.surface_type, "glx", 3)) {
#if USE_GLX
context->setup_cairo = create_cairo_surface_glx;
context->destroy_cairo = destroy_cairo_glx;
context->update_cairo = update_cairo_glx;
#else
errx(1, "glx unsupported in this build\n");
#endif
} else if (!strncmp(config.surface_type, "egl", 3)) {
#if USE_EGL
context->setup_cairo = create_cairo_surface_egl;
context->destroy_cairo = destroy_cairo_egl;
context->update_cairo = update_cairo_egl;
#else
errx(1, "egl unsupported in this build\n");
#endif
}
assert (context->setup_cairo);
assert (context->destroy_cairo);
assert (context->update_cairo);
context->cairo_surface = context->setup_cairo(config);
if (!context->cairo_surface)
errx(2, "Could not create a cairo surface\n");
context->cairo_cr = cairo_create(context->cairo_surface);
// Clear background to black
cairo_set_source_rgb (context->cairo_cr, 0, 0, 0);
cairo_paint (context->cairo_cr);
// Enable anti-aliasing
cairo_set_antialias (context->cairo_cr, CAIRO_ANTIALIAS_DEFAULT);
// Ease up Cairo's tessellation tolerance (default is 0.001)
cairo_set_tolerance (context->cairo_cr, context->tolerance);
}
void
context_update_cairo(caskbench_context_t *context)
{
context->update_cairo();
}
void
context_destroy_cairo(caskbench_context_t *context)
{
if (!context)
return;
cairo_destroy(context->cairo_cr);
cairo_surface_destroy(context->cairo_surface);
context->destroy_cairo();
context->cairo_cr = NULL;
}
#ifdef USE_SKIA
void
context_setup_skia(caskbench_context_t *context, const device_config_t& config)
{
if (config.surface_type == NULL || !strncmp(config.surface_type, "image", 5)) {
context->setup_skia = create_skia_device_image;
context->destroy_skia = destroy_skia_image;
context->update_skia = update_skia_image;
} else if (!strncmp(config.surface_type, "glx", 3)) {
#if USE_GLX
context->setup_skia = create_skia_device_glx;
context->destroy_skia = destroy_skia_glx;
context->update_skia = update_skia_glx;
#else
errx(1, "glx unsupported in this build\n");
#endif
} else if (!strncmp(config.surface_type, "egl", 3)) {
#if USE_EGL
context->setup_skia = create_skia_device_egl;
context->destroy_skia = destroy_skia_egl;
context->update_skia = update_skia_egl;
#else
errx(1, "egl unsupported in this build\n");
#endif
}
assert (context->setup_skia);
assert (context->destroy_skia);
assert (context->update_skia);
context->skia_device = context->setup_skia(config);
if (!context->skia_device)
errx(2, "Could not create a skia device\n");
context->skia_paint = new SkPaint;
context->skia_canvas = new SkCanvas(context->skia_device);
// Clear background to black
context->skia_canvas->clear(0);
context->skia_paint->setARGB(255, 0, 0, 0);
context->skia_canvas->drawPaint(*context->skia_paint);
// Enable anti-aliasing
context->skia_paint->setAntiAlias(true);
}
void
context_update_skia(caskbench_context_t *context)
{
context->update_skia();
}
void
context_destroy_skia(caskbench_context_t *context)
{
if (!context)
return;
delete context->skia_paint;
delete context->skia_canvas;
delete context->skia_device;
context->destroy_skia();
context->skia_device = NULL;
}
#endif
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