+#include <assert.h>
+#if defined(WIN32) || defined(__WIN32__)
+#include <malloc.h>
+#else
+#include <alloca.h>
+#endif
#include <drawtext.h>
#include "ui_exhibit.h"
#include "ui.h"
#include "app.h"
#include "snode.h"
#include "shader.h"
+#include "rtarg.h"
struct Rect {
float x, y, w, h;
static void draw_text(const Rect &rect);
static void layout_text(const char *text);
+static float aspect;
+static int ui_width, ui_height;
+
+static RenderTarget *rtarg;
static const SceneNode *parent;
static Vec3 pos;
static Vec2 size;
-static float text_padding;
-static float text_scale = 0.05f;
+static int text_padding;
+static float text_scale = 1.0f;//0.05f;
static Exhibit *ex;
static int vis_tab;
static float scroll;
static std::vector<const char*> text_lines;
+static int max_line_size;
static AudioStream *voice;
enum {COL_BG, COL_FG, COL_FRM};
static float color[][3] = {
- {0.09, 0.14, 0.2}, // COL_BG
+ {0.014, 0.016, 0.04}, // COL_BG
{0.31, 0.58, 0.9}, // COL_FG
{0.19, 0.23, 0.46} // COL_FRM
};
{
size.x = 15;
size.y = 18;
- text_padding = size.x * 0.01;
+ text_padding = 6;
+
+ aspect = size.x / size.y;
+ ui_height = 512;
+ ui_width = ui_height * aspect;
+
+ rtarg = new RenderTarget;
+ if(!rtarg->create(ui_width, ui_height, GL_SRGB_ALPHA)) {
+ error_log("failed to create exui render target\n");
+ return false;
+ }
return true;
}
void exui_shutdown()
{
+ delete rtarg;
}
void exui_setnode(const SceneNode *node)
}
}
+static void draw_2d_ui()
+{
+ dtx_use_font(ui_font, ui_font_size);
+ float rowspc = dtx_line_height() * text_scale;
+
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ glLoadIdentity();
+ glTranslatef(-1, 1, 0);
+ glScalef(2.0 / ui_width, -2.0 / ui_height, 1);
+
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glLoadIdentity();
+
+ bind_shader(0);
+
+ glPushAttrib(GL_ENABLE_BIT);
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_LIGHTING);
+ glDisable(GL_DEPTH_TEST);
+
+ Rect rect = {0, 0, (float)ui_width, (float)ui_height};
+ draw_frame(rect);
+ Rect tbar_rect = {rect.x, rect.y, rect.w, rowspc + text_padding}; // half the padding
+ draw_titlebar(tbar_rect);
+ Rect tabs_rect = {tbar_rect.x, tbar_rect.y + tbar_rect.h, tbar_rect.w, tbar_rect.h};
+ draw_tabs(tabs_rect);
+ Rect text_rect = {rect.x, tabs_rect.y + tabs_rect.h, rect.w, rect.h - tabs_rect.y - tabs_rect.h};
+ draw_text(text_rect);
+
+ glPopAttrib();
+
+ glMatrixMode(GL_PROJECTION);
+ glPopMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ glPopMatrix();
+}
+
void exui_draw()
{
if(!exsel_active) return;
if(!ui_font) return;
- dtx_use_font(ui_font, ui_font_size);
- float rowspc = dtx_line_height() * text_scale;
-
- Rect rect = {-size.x / 2.0f, -size.y / 2.0f, size.x, size.y};
+ // render the 2D UI in a texture
+ push_render_target(rtarg);
+ glClearColor(0, 1, 0, 0);
+ glClear(GL_COLOR_BUFFER_BIT);
+ draw_2d_ui();
+ pop_render_target();
+ // place UI image into the scene
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
+
+ Mat4 mvmat;
+ glGetFloatv(GL_MODELVIEW_MATRIX, mvmat[0]);
+
+ /*
if(parent) {
glMultMatrixf(parent->get_matrix()[0]);
}
glTranslatef(pos.x, pos.y, pos.z);
- glScalef(1, -1, 1);
+ */
+ if(parent) {
+ mvmat = parent->get_matrix() * mvmat;
+ }
+ mvmat.translate(pos.x, pos.y, pos.z);
- bind_shader(0);
+ mvmat[0][0] = mvmat[1][1] = mvmat[2][2] = 1.0f;
+ mvmat[0][1] = mvmat[0][2] = mvmat[1][0] = mvmat[2][0] = mvmat[1][2] = mvmat[2][1] = 0.0f;
+
+ glLoadMatrixf(mvmat[0]);
glPushAttrib(GL_ENABLE_BIT);
- glDisable(GL_TEXTURE_2D);
- glDisable(GL_LIGHTING);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ glEnable(GL_TEXTURE_2D);
glDepthMask(0);
- draw_frame(rect);
- Rect tbar_rect = {rect.x, rect.y, rect.w, rowspc};
- draw_titlebar(tbar_rect);
- Rect tabs_rect = {tbar_rect.x, tbar_rect.y + rowspc, tbar_rect.w, tbar_rect.h};
- draw_tabs(tabs_rect);
- Rect text_rect = {rect.x, tabs_rect.y + rowspc, rect.w, rect.h - tabs_rect.y - rowspc};
- draw_text(text_rect);
+ bind_shader(0);
+ bind_texture(rtarg->texture());
+
+ glMatrixMode(GL_TEXTURE);
+ glLoadMatrixf(rtarg->texture_matrix()[0]);
+
+ glBegin(GL_QUADS);
+ glColor3f(1, 1, 1);
+ glTexCoord2f(0, 0); glVertex2f(-size.x / 2, -size.y / 2);
+ glTexCoord2f(1, 0); glVertex2f(size.x / 2, -size.y / 2);
+ glTexCoord2f(1, 1); glVertex2f(size.x / 2, size.y / 2);
+ glTexCoord2f(0, 1); glVertex2f(-size.x / 2, size.y / 2);
+ glEnd();
+
+ glLoadIdentity();
glDepthMask(1);
glPopAttrib();
+ glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
static void draw_frame(const Rect &rect)
{
draw_rect(rect, COL_BG);
- glLineWidth(2.0);
+ glLineWidth(3.0);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
draw_rect(rect, COL_FRM);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
static void draw_text(const Rect &rect)
{
+ char *buf = (char*)alloca(max_line_size + 1);
+
+ float dy = dtx_line_height() * text_scale;
+
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ glTranslatef(rect.x + text_padding, rect.y + dy + text_padding, 0);
+ glScalef(text_scale, -text_scale, text_scale);
+
+ glColor3fv(color[COL_FG]);
+
+ int nlines = text_lines.size() - 1;
+ for(int i=0; i<nlines; i++) {
+ if(i < nlines - 1) {
+ int sz = text_lines[i + 1] - text_lines[i];
+ assert(sz <= max_line_size);
+ memcpy(buf, text_lines[i], sz);
+ buf[sz] = 0;
+ } else {
+ buf = (char*)text_lines[i];
+ }
+
+ dtx_string(buf);
+ glTranslatef(0, -dy, 0);
+ }
+
+ glPopMatrix();
}
static void layout_text(const char *text)
dtx_use_font(ui_font, ui_font_size);
- float pos = text_padding;
+ int left_margin = text_padding;
+ int right_margin = ui_width - text_padding;
+
text_lines.push_back(text);
const char *last_break = 0;
+ max_line_size = 1;
while(*text) {
if(*text == '\n') { // paragraph break
text_lines.push_back(text);
text_lines.push_back(++text);
- pos = text_padding;
last_break = 0;
continue;
}
int code = dtx_utf8_char_code(text);
const char *next = dtx_utf8_next_char((char*)text);
- pos += dtx_glyph_width(code) * text_scale;
+
+ struct dtx_box box;
+ dtx_substring_box(text_lines.back(), 0, text - text_lines.back(), &box);
+ float pos = left_margin + (box.width + box.x) * text_scale;
if(code < 256 && isspace(code)) {
last_break = text;
}
- if(pos >= size.x - text_padding) {
+ if(pos > right_margin) {
if(text == text_lines.back()) {
// not even a single character fits on a line... abort
- warning_log("text layout failed. glyph %d doesn't fit in line (%g)\n", code, size.x - 2.0 * text_padding);
+ warning_log("text layout failed. glyph %d doesn't fit in line (%d)\n", code, right_margin - left_margin);
text_lines.clear();
return;
}
// no good point to break, just break here
text_lines.push_back(text);
}
- pos = text_padding;
+
+ int d = text_lines.back() - (text_lines[text_lines.size() - 2]);
+ if(d > max_line_size) max_line_size = d;
}
text = next;
}
projects / laserbrain_demo / blobdiff