void paint_message(cairo_t *cr, const char *from, const char *content)
{
static char from_buffer[256];
if (strlen(from) > 0)
snprintf(from_buffer, sizeof(from_buffer), "[%s]", from);
else
strncpy(from_buffer, "", sizeof(from_buffer));
cairo_save(cr);
//清空背景
cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.0);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_paint (cr);
//设置字体
cairo_select_font_face (cr, font_name, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size (cr, font_size);
//计算文字位置
cairo_text_extents_t extents_from, extents_content;
cairo_text_extents(cr, from_buffer, &extents_from);
cairo_text_extents(cr, content, &extents_content);
int x = (window_width - extents_from.width - extents_content.width) / 2;
if (x < 0)
x = 0;
int y = window_height - 10;
//实现昵称和消息内容
paint_text(cr, from_buffer, x, y, 1, 2, font_color, border_color, shadow_color);
paint_text(cr, content, x + extents_from.width + font_size / 2, y, 1, 2, font_color, border_color, shadow_color);
cairo_restore (cr);
check_cairo_status();
}
/* paint the combobox */
static LRESULT paint (HTHEME theme, HWND hwnd, HDC hParamDC, ULONG state)
{
PAINTSTRUCT ps;
HDC hDC;
COMBOBOXINFO cbi;
DWORD dwStyle = GetWindowLongW (hwnd, GWL_STYLE);
hDC = (hParamDC) ? hParamDC
: BeginPaint( hwnd, &ps);
TRACE("hdc=%p\n", hDC);
if( hDC && !(state & STATE_NOREDRAW) )
{
RECT frameRect;
int buttonState;
cbi.cbSize = sizeof (cbi);
SendMessageW (hwnd, CB_GETCOMBOBOXINFO, 0, (LPARAM)&cbi);
/* paint border */
if ((dwStyle & CBS_DROPDOWNLIST) != CBS_SIMPLE)
GetClientRect (hwnd, &frameRect);
else
{
CopyRect (&frameRect, &cbi.rcItem);
InflateRect(&frameRect,
EDIT_CONTROL_PADDING + COMBO_XBORDERSIZE,
EDIT_CONTROL_PADDING + COMBO_YBORDERSIZE);
}
DrawThemeBackground (theme, hDC, 0,
IsWindowEnabled (hwnd) ? CBXS_NORMAL : CBXS_DISABLED, &frameRect, NULL);
/* paint button */
if (cbi.stateButton != STATE_SYSTEM_INVISIBLE)
{
if (!IsWindowEnabled (hwnd))
buttonState = CBXS_DISABLED;
else if (cbi.stateButton == STATE_SYSTEM_PRESSED)
buttonState = CBXS_PRESSED;
else if (state & STATE_HOT)
buttonState = CBXS_HOT;
else
buttonState = CBXS_NORMAL;
DrawThemeBackground (theme, hDC, CP_DROPDOWNBUTTON, buttonState,
&cbi.rcButton, NULL);
}
/* paint text, if we need to */
if ((dwStyle & CBS_DROPDOWNLIST) == CBS_DROPDOWNLIST)
paint_text (hwnd, hDC, dwStyle, &cbi);
}
if( !hParamDC )
EndPaint(hwnd, &ps);
return 0;
}
void paint_text(cairo_t *cr, const char *text, int x, int y, int border, int shadow,
const float font_color[3], const float border_color[3], const float shadow_color[3])
{
cairo_save(cr);
if (shadow > 0)
paint_text(cr, text, x + shadow, y + shadow, border, 0, shadow_color, shadow_color, shadow_color);
if (border > 0) {
cairo_set_source_rgb (cr, border_color[0], border_color[1], border_color[2]);
int dx, dy;
for (dx = -border; dx <= border; dx ++) {
for (dy = -border; dy <= border; dy ++) {
cairo_move_to (cr, x + dx, y + dy);
cairo_show_text(cr, text);
}
}
}
cairo_set_source_rgb (cr, font_color[0], font_color[1], font_color[2]);
cairo_move_to (cr, x, y);
cairo_show_text(cr, text);
cairo_restore (cr);
check_cairo_status();
}
void win3d::paintGL() {
QPainter painter(this);
QGLPainter p(this);
// clear
qglClearColor(QColor(0,0,0));
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// 3D painting
glEnable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glEnable(GL_CULL_FACE);
paint_spheres(&p);
paint_cylinders(&p);
paint_lines(&p);
// finishing 3d painting
p.disableEffect(); // text painting crashes without this
p.end();
// 3D text painting
glEnable(GL_DEPTH_TEST);
paint_text();
// 2D painting
glDisable(GL_CULL_FACE);
// glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
draw_text(painter);
}
void entity_paint(SDL_Surface * dst, Entity * entity)
{
paint_text(dst, entity->info->name, Title, &entity->rect, ALIGN_HCENTER | ALIGN_TOP);
if (entity->not_supported)
paint_text(dst, "Not Supported", Error, &entity->rect, ALIGN_CENTER);
else
{
switch (entity->data_type)
{
case ENTITY_DATA_TYPE_TEXT:
draw_text_data(dst, &entity->rect, entity);
break;
case ENTITY_DATA_TYPE_FLOAT:
{
SDL_Rect r;
r.x = entity->rect.x + 5;
r.w = entity->rect.w - 10;
r.y = entity->rect.y + 30;
r.h = entity->rect.h - 60;
draw_float_data(dst, &r, entity);
}
break;
case ENTITY_DATA_TYPE_NONE:
default:
/* invalid entity type, do nothing */
break;
}
}
#ifndef NO_DEBUG
paint_text(dst, entity->info->command, Debug, &entity->rect, ALIGN_BOTTOM | ALIGN_RIGHT);
#endif
if (entity->paint_opts.draw_border)
{
rectangleRGBA(dst, entity->rect.x, entity->rect.y, entity->rect.x + entity->rect.w - 1,
entity->rect.y + entity->rect.h - 1,
(BORDER_COLOR >> 16) & 0xFF, (BORDER_COLOR >> 8) & 0xFF, BORDER_COLOR & 0xFF, 255);
}
