1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/uitheme.cc	Thu Sep 24 06:49:25 2015 +0300
     1.3 @@ -0,0 +1,101 @@
     1.4 +#include <map>
     1.5 +#include <string>
     1.6 +#include "goatkit/goatkit.h"
     1.7 +#include "opengl.h"
     1.8 +#include "drawtext.h"
     1.9 +#include "sdr.h"
    1.10 +
    1.11 +#define VIS_THRES	0.005
    1.12 +
    1.13 +using namespace goatkit;
    1.14 +
    1.15 +extern int view_xsz, view_ysz;
    1.16 +extern unsigned int prog_ui, prog_font;
    1.17 +extern struct dtx_font *font;
    1.18 +
    1.19 +static void draw_label(const Widget *w);
    1.20 +static void draw_text(float x, float y, const char *text);
    1.21 +
    1.22 +static struct {
    1.23 +	const char *name;
    1.24 +	WidgetDrawFunc func;
    1.25 +} widget_funcs[] = {
    1.26 +	{ "label", draw_label },
    1.27 +	{0, 0}
    1.28 +};
    1.29 +
    1.30 +static std::map<std::string, WidgetDrawFunc> funcmap;
    1.31 +
    1.32 +extern "C" WidgetDrawFunc get_widget_func(const char *name)
    1.33 +{
    1.34 +	static bool initialized;
    1.35 +
    1.36 +	if(!initialized) {
    1.37 +		for(int i=0; widget_funcs[i].func; i++) {
    1.38 +			funcmap[widget_funcs[i].name] = widget_funcs[i].func;
    1.39 +		}
    1.40 +		initialized = true;
    1.41 +	}
    1.42 +	return funcmap[name];
    1.43 +}
    1.44 +
    1.45 +static void begin_drawing(const Widget *w)
    1.46 +{
    1.47 +	Vec2 pos = w->get_position();
    1.48 +
    1.49 +	glEnable(GL_BLEND);
    1.50 +	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    1.51 +
    1.52 +	gl_matrix_mode(GL_MODELVIEW);
    1.53 +	gl_push_matrix();
    1.54 +	gl_load_identity();
    1.55 +	gl_translatef(pos.x, pos.y, 0);
    1.56 +}
    1.57 +
    1.58 +static void end_drawing(const Widget *w)
    1.59 +{
    1.60 +	gl_matrix_mode(GL_MODELVIEW);
    1.61 +	gl_pop_matrix();
    1.62 +}
    1.63 +
    1.64 +static void draw_label(const Widget *w)
    1.65 +{
    1.66 +	Vec2 pos = w->get_position();
    1.67 +	float vis = w->get_visibility();
    1.68 +	if(vis < VIS_THRES) return;
    1.69 +
    1.70 +	begin_drawing(w);
    1.71 +	draw_text(pos.x, pos.y, w->get_text());
    1.72 +	end_drawing(w);
    1.73 +}
    1.74 +
    1.75 +static void draw_text(float x, float y, const char *text)
    1.76 +{
    1.77 +	struct dtx_glyphmap *gmap = dtx_get_font_glyphmap_idx(font, 0);
    1.78 +	dtx_use_font(font, dtx_get_glyphmap_ptsize(gmap));
    1.79 +
    1.80 +	float aspect = (float)view_xsz / (float)view_ysz;
    1.81 +	float virt_xsz = 420.0 * aspect;
    1.82 +	float virt_ysz = 420.0;
    1.83 +
    1.84 +	gl_matrix_mode(GL_PROJECTION);
    1.85 +	gl_push_matrix();
    1.86 +	gl_load_identity();
    1.87 +	gl_ortho(0, virt_xsz, 0, virt_ysz, -1, 1);
    1.88 +
    1.89 +	gl_matrix_mode(GL_MODELVIEW);
    1.90 +	gl_push_matrix();
    1.91 +	gl_load_identity();
    1.92 +	gl_translatef(x * virt_xsz, y * virt_ysz, 0);
    1.93 +
    1.94 +	bind_program(prog_font);
    1.95 +	set_uniform_float4(prog_font, "ucolor", 1.0, 1.0, 1.0, 1.0);
    1.96 +	gl_apply_xform(prog_ui);
    1.97 +
    1.98 +	dtx_string(text);
    1.99 +
   1.100 +	gl_matrix_mode(GL_PROJECTION);
   1.101 +	gl_pop_matrix();
   1.102 +	gl_matrix_mode(GL_MODELVIEW);
   1.103 +	gl_pop_matrix();
   1.104 +}
   1.105 \ No newline at end of file