C++ (Cpp) _cairo_gl_composite_emit_vertex Exemples

Exemple #1

Fichier : cairo-gl-composite.c Projet : AaronNGray/texlive-libs

static void
_cairo_gl_composite_emit_point (cairo_gl_context_t	*ctx,
				const cairo_point_t	*point)
{
    _cairo_gl_composite_emit_vertex (ctx,
				     _cairo_fixed_to_double (point->x),
				     _cairo_fixed_to_double (point->y));
}

Exemple #2

Fichier : cairo-gl-composite.c Projet : csyuschmjuh/apl

static inline void
_cairo_gl_composite_emit_point (cairo_gl_context_t	*ctx,
				const cairo_point_t	*point,
				uint8_t alpha)
{
    _cairo_gl_composite_emit_vertex (ctx,
				     _cairo_fixed_to_double (point->x),
				     _cairo_fixed_to_double (point->y),
				     alpha);
}

Exemple #3

Fichier : cairo-gl-composite.c Projet : csyuschmjuh/cairo-nsgl

static void
_cairo_gl_composite_emit_rect (cairo_gl_context_t *ctx,
                               GLfloat x1, GLfloat y1,
                               GLfloat x2, GLfloat y2)
{
    _cairo_gl_composite_prepare_buffer (ctx, 6,
					CAIRO_GL_PRIMITIVE_TYPE_TRIANGLES);

    _cairo_gl_composite_emit_vertex (ctx, x1, y1);
    _cairo_gl_composite_emit_vertex (ctx, x2, y1);
    _cairo_gl_composite_emit_vertex (ctx, x1, y2);

    _cairo_gl_composite_emit_vertex (ctx, x2, y1);
    _cairo_gl_composite_emit_vertex (ctx, x2, y2);
    _cairo_gl_composite_emit_vertex (ctx, x1, y2);
}

Exemple #4

void
_cairo_gl_composite_emit_rect (cairo_gl_context_t *ctx,
                               GLfloat x1,
                               GLfloat y1,
                               GLfloat x2,
                               GLfloat y2,
                               uint8_t alpha)
{
    _cairo_gl_composite_prepare_buffer (ctx, 6);

    _cairo_gl_composite_emit_vertex (ctx, x1, y1, alpha);
    _cairo_gl_composite_emit_vertex (ctx, x2, y1, alpha);
    _cairo_gl_composite_emit_vertex (ctx, x1, y2, alpha);

    _cairo_gl_composite_emit_vertex (ctx, x2, y1, alpha);
    _cairo_gl_composite_emit_vertex (ctx, x2, y2, alpha);
    _cairo_gl_composite_emit_vertex (ctx, x1, y2, alpha);
}

Exemple #5

Fichier : cairo-gl-composite.c Projet : csyuschmjuh/apl

void
_cairo_gl_composite_emit_rect (cairo_gl_context_t *ctx,
                               GLfloat x1,
                               GLfloat y1,
                               GLfloat x2,
                               GLfloat y2,
                               uint8_t alpha)
{
    if (ctx->draw_mode != CAIRO_GL_VERTEX) {
	_cairo_gl_composite_flush (ctx);
	ctx->draw_mode = CAIRO_GL_VERTEX;
    }

    _cairo_gl_composite_prepare_buffer (ctx, 6,
					CAIRO_GL_PRIMITIVE_TYPE_TRIANGLES);

    _cairo_gl_composite_emit_vertex (ctx, x1, y1, alpha);
    _cairo_gl_composite_emit_vertex (ctx, x2, y1, alpha);
    _cairo_gl_composite_emit_vertex (ctx, x1, y2, alpha);

    _cairo_gl_composite_emit_vertex (ctx, x2, y1, alpha);
    _cairo_gl_composite_emit_vertex (ctx, x2, y2, alpha);
    _cairo_gl_composite_emit_vertex (ctx, x1, y2, alpha);
}