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#include <stdio.h>
#include "agg_basics.h"
#include "agg_rendering_buffer.h"
#include "agg_rasterizer_scanline_aa.h"
#include "agg_scanline_u.h"
#include "agg_renderer_scanline.h"
#include "agg_pixfmt_rgb.h"
#include "agg_span_allocator.h"
#include "agg_span_gradient.h"
#include "agg_span_interpolator_linear.h"
#include "agg_glyph_raster_bin.h"
#include "agg_renderer_raster_text.h"
#include "agg_embedded_raster_fonts.h"
#include "platform/agg_platform_support.h"
#include "ctrl/agg_slider_ctrl.h"
#include "ctrl/agg_cbox_ctrl.h"
enum flip_y_e { flip_y = true };
//------------------------------------------------------------------------
template<class GradientF> class gradient_sine_repeat_adaptor
{
public:
gradient_sine_repeat_adaptor() : m_periods(agg::pi* 2.0) {}
void periods(double p) { m_periods = p * agg::pi * 2.0; }
int calculate(int x, int y, int d) const
{
return int((1.0 + sin(m_gradient.calculate(x, y, d) * m_periods / d)) * d/2);
}
private:
GradientF m_gradient;
double m_periods;
};
//------------------------------------------------------------------------
class the_application : public agg::platform_support
{
public:
typedef agg::pixfmt_bgr24 pixfmt;
typedef agg::renderer_base<pixfmt> ren_base;
typedef agg::glyph_raster_bin<agg::rgba8> glyph_gen;
the_application(agg::pix_format_e format, bool flip_y) :
agg::platform_support(format, flip_y)
{
}
virtual void on_draw()
{
struct font_type
{
const agg::int8u* font;
const char* name;
}
fonts[] =
{
{ agg::gse4x6, "gse4x6" },
{ agg::gse4x8, "gse4x8" },
{ agg::gse5x7, "gse5x7" },
{ agg::gse5x9, "gse5x9" },
{ agg::gse6x9, "gse6x9" },
{ agg::gse6x12, "gse6x12" },
{ agg::gse7x11, "gse7x11" },
{ agg::gse7x11_bold, "gse7x11_bold" },
{ agg::gse7x15, "gse7x15" },
{ agg::gse7x15_bold, "gse7x15_bold" },
{ agg::gse8x16, "gse8x16" },
{ agg::gse8x16_bold, "gse8x16_bold" },
{ agg::mcs11_prop, "mcs11_prop" },
{ agg::mcs11_prop_condensed, "mcs11_prop_condensed" },
{ agg::mcs12_prop, "mcs12_prop" },
{ agg::mcs13_prop, "mcs13_prop" },
{ agg::mcs5x10_mono, "mcs5x10_mono" },
{ agg::mcs5x11_mono, "mcs5x11_mono" },
{ agg::mcs6x10_mono, "mcs6x10_mono" },
{ agg::mcs6x11_mono, "mcs6x11_mono" },
{ agg::mcs7x12_mono_high, "mcs7x12_mono_high" },
{ agg::mcs7x12_mono_low, "mcs7x12_mono_low" },
{ agg::verdana12, "verdana12" },
{ agg::verdana12_bold, "verdana12_bold" },
{ agg::verdana13, "verdana13" },
{ agg::verdana13_bold, "verdana13_bold" },
{ agg::verdana14, "verdana14" },
{ agg::verdana14_bold, "verdana14_bold" },
{ agg::verdana16, "verdana16" },
{ agg::verdana16_bold, "verdana16_bold" },
{ agg::verdana17, "verdana17" },
{ agg::verdana17_bold, "verdana17_bold" },
{ agg::verdana18, "verdana18" },
{ agg::verdana18_bold, "verdana18_bold" },
0, 0
};
glyph_gen glyph(0);
pixfmt pixf(rbuf_window());
ren_base rb(pixf);
rb.clear(agg::rgba(1,1,1));
agg::renderer_raster_htext_solid<ren_base, glyph_gen> rt(rb, glyph);
int i;
double y = 5;
rt.color(agg::rgba(0,0,0));
for(i = 0; fonts[i].font; i++)
{
char buf[100];
strcpy(buf, "A quick brown fox jumps over the lazy dog 0123456789: ");
strcat(buf, fonts[i].name);
// Testing "wide-char"
unsigned wbuf[100];
unsigned* wp = wbuf;
const char* p = buf;
while(*p) *wp++ = *(unsigned char*)p++;
*wp++ = 0;
glyph.font(fonts[i].font);
rt.render_text(5, y, wbuf, !flip_y());
y += glyph.height() + 1;
}
// Rendering raster text with a custom span generator, gradient
typedef agg::span_interpolator_linear<> interpolator_type;
typedef agg::span_allocator<agg::rgba8> span_alloc_type;
typedef agg::span_gradient<agg::rgba8,
interpolator_type,
gradient_sine_repeat_adaptor<agg::gradient_circle>,
agg::gradient_linear_color<agg::rgba8> > span_gen_type;
typedef agg::renderer_scanline_aa<ren_base,
span_alloc_type,
span_gen_type> ren_type;
agg::trans_affine mtx;
gradient_sine_repeat_adaptor<agg::gradient_circle> grad_func;
grad_func.periods(5);
agg::gradient_linear_color<agg::rgba8> color_func;
color_func.colors(agg::rgba(1.0,0,0), agg::rgba(0,0.5,0));
interpolator_type inter(mtx);
span_alloc_type sa;
span_gen_type sg(inter, grad_func, color_func, 0, 150.0);
ren_type ren(rb, sa, sg);
agg::renderer_raster_htext<ren_type, glyph_gen> rt2(ren, glyph);
rt2.render_text(5, 465, (unsigned char*)"RADIAL REPEATING GRADIENT: A quick brown fox jumps over the lazy dog", !flip_y());
}
};
int agg_main(int argc, char* argv[])
{
the_application app(agg::pix_format_bgr24, flip_y);
app.caption("AGG Example. Raster Text");
if(app.init(640, 480, agg::window_resize))
{
return app.run();
}
return 1;
}
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