//--------------------------------------------------------------------------------------------
void ui_drawImage( ui_id_t id, oglx_texture_t *img, float vx, float vy, float vwidth, float vheight, GLXvector4f image_tint )
{
GLXvector4f tmp_tint = {1, 1, 1, 1};
float vw, vh;
float tx, ty;
float x1, x2, y1, y2;
// handle optional parameters
if ( NULL == image_tint ) image_tint = tmp_tint;
if ( img )
{
if ( 0 == vwidth || 0 == vheight )
{
vw = img->imgW;
vh = img->imgH;
}
else
{
vw = vwidth;
vh = vheight;
}
tx = ( float ) oglx_texture_GetImageWidth( img ) / ( float ) oglx_texture_GetTextureWidth( img );
ty = ( float ) oglx_texture_GetImageHeight( img ) / ( float ) oglx_texture_GetTextureHeight( img );
// convert the virtual coordinates to screen coordinates
ui_virtual_to_screen( vx, vy, &x1, &y1 );
ui_virtual_to_screen( vx + vw, vy + vh, &x2, &y2 );
// Draw the image
oglx_texture_Bind( img );
GL_DEBUG( glColor4fv )( image_tint );
GL_DEBUG( glBegin )( GL_QUADS );
{
GL_DEBUG( glTexCoord2f )( 0, 0 ); GL_DEBUG( glVertex2f )( x1, y1 );
GL_DEBUG( glTexCoord2f )( tx, 0 ); GL_DEBUG( glVertex2f )( x2, y1 );
GL_DEBUG( glTexCoord2f )( tx, ty ); GL_DEBUG( glVertex2f )( x2, y2 );
GL_DEBUG( glTexCoord2f )( 0, ty ); GL_DEBUG( glVertex2f )( x1, y2 );
}
GL_DEBUG_END();
}
}
//--------------------------------------------------------------------------------------------
// Drawing
void ui_drawButton( ui_id_t id, float vx, float vy, float vwidth, float vheight, GLXvector4f pcolor )
{
float x1, x2, y1, y2;
GLXvector4f color_1 = { 0.0f, 0.0f, 0.9f, 0.6f };
GLXvector4f color_2 = { 0.54f, 0.0f, 0.0f, 1.0f };
GLXvector4f color_3 = { 0.66f, 0.0f, 0.0f, 0.6f };
// Draw the button
GL_DEBUG( glDisable )( GL_TEXTURE_2D );
if ( NULL == pcolor )
{
if ( ui_context.active != UI_Nothing && ui_context.active == id && ui_context.hot == id )
{
pcolor = color_1;
}
else if ( ui_context.hot != UI_Nothing && ui_context.hot == id )
{
pcolor = color_2;
}
else
{
pcolor = color_3;
}
}
// convert the virtual coordinates to screen coordinates
ui_virtual_to_screen( vx, vy, &x1, &y1 );
ui_virtual_to_screen( vx + vwidth, vy + vheight, &x2, &y2 );
GL_DEBUG( glColor4fv )( pcolor );
GL_DEBUG( glBegin )( GL_QUADS );
{
GL_DEBUG( glVertex2f )( x1, y1 );
GL_DEBUG( glVertex2f )( x1, y2 );
GL_DEBUG( glVertex2f )( x2, y2 );
GL_DEBUG( glVertex2f )( x2, y1 );
}
GL_DEBUG_END();
GL_DEBUG( glEnable )( GL_TEXTURE_2D );
}
bool Console::draw()
{
int windowHeight = sdl_scr.y;
if (!windowHeight || !this->on)
{
return false;
}
SDL_Rect *pwin = &(this->rect);
auto& renderer = Ego::Renderer::get();
renderer.getTextureUnit().setActivated(nullptr);
auto white = Ego::Math::Colour4f::white();
auto black = Ego::Math::Colour4f::black();
renderer.setColour(white);
GL_DEBUG(glLineWidth)(5);
GL_DEBUG(glBegin)(GL_LINE_LOOP);
{
GL_DEBUG(glVertex2i)(pwin->x, pwin->y);
GL_DEBUG(glVertex2i)(pwin->x + pwin->w, pwin->y);
GL_DEBUG(glVertex2i)(pwin->x + pwin->w, pwin->y + pwin->h);
GL_DEBUG(glVertex2i)(pwin->x, pwin->y + pwin->h);
}
GL_DEBUG_END();
GL_DEBUG(glLineWidth)(1);
renderer.setColour(black);
GL_DEBUG(glBegin)(GL_QUADS);
{
GL_DEBUG(glVertex2i)(pwin->x, pwin->y);
GL_DEBUG(glVertex2i)(pwin->x + pwin->w, pwin->y);
GL_DEBUG(glVertex2i)(pwin->x + pwin->w, pwin->y + pwin->h);
GL_DEBUG(glVertex2i)(pwin->x, pwin->y + pwin->h);
}
GL_DEBUG_END();
ATTRIB_PUSH(__FUNCTION__, GL_SCISSOR_BIT | GL_ENABLE_BIT);
{
int textWidth, textHeight, height;
// clip the viewport
renderer.setScissorTestEnabled(true);
renderer.setScissorRectangle(pwin->x, windowHeight - (pwin->y + pwin->h), pwin->w, pwin->h);
height = pwin->h;
char buffer[EGOBOO_CONSOLE_WRITE_LEN];
// draw the current command line
buffer[0] = EGOBOO_CONSOLE_PROMPT;
buffer[1] = ' ';
buffer[2] = CSTR_END;
strncat(buffer, this->buffer, 1022);
buffer[1022] = CSTR_END;
this->pfont->_font->getTextSize(buffer, &textWidth, &textHeight);
height -= textHeight;
this->pfont->_font->drawText(buffer, pwin->x, height - textHeight, white);
if (CSTR_END != this->output_buffer[0])
{
// grab the line offsets
size_t console_line_count = 0;
size_t console_line_offsets[1024];
size_t console_line_lengths[1024];
char *pstr = this->output_buffer;
while (pstr)
{
size_t len = strcspn(pstr, "\n");
console_line_offsets[console_line_count] = pstr - this->output_buffer;
console_line_lengths[console_line_count] = len;
if (0 == len)
{
break;
}
pstr += len + 1;
console_line_count++;
}
// draw the last output line and work backwards
for (size_t i = console_line_count; i >= 1 && height > 0; --i)
{
size_t j = i - 1;
size_t len = std::min((size_t)1023, console_line_lengths[j]);
strncpy(buffer, this->output_buffer + console_line_offsets[j], len);
buffer[len] = CSTR_END;
this->pfont->_font->getTextSize(buffer, &textWidth, &textHeight);
height -= textHeight;
this->pfont->_font->drawText(buffer, pwin->x, height - textHeight, white);
}
}
}
ATTRIB_POP(__FUNCTION__);
return true;
}
