MCGAffineTransform view_get_stack_transform(MCStackFullscreenMode p_mode, MCRectangle p_stack_rect, MCRectangle p_screen_rect)
{
MCGFloat t_scale;
MCGAffineTransform t_transform;
switch (p_mode)
{
case kMCStackFullscreenModeNone:
return MCGAffineTransformMakeIdentity();
case kMCStackFullscreenResize:
return MCGAffineTransformMakeIdentity();
case kMCStackFullscreenExactFit:
return MCGAffineTransformMakeScale((MCGFloat)p_screen_rect.width / (MCGFloat)p_stack_rect.width, (MCGFloat)p_screen_rect.height / (MCGFloat)p_stack_rect.height);
case kMCStackFullscreenLetterbox:
case kMCStackFullscreenShowAll:
t_scale = MCMin((MCGFloat)p_screen_rect.width / (MCGFloat)p_stack_rect.width, (MCGFloat)p_screen_rect.height / (MCGFloat)p_stack_rect.height);
t_transform = MCGAffineTransformMakeTranslation(-(MCGFloat)p_stack_rect.width / 2.0, -(MCGFloat)p_stack_rect.height / 2.0);
t_transform = MCGAffineTransformPreScale(t_transform, t_scale, t_scale);
t_transform = MCGAffineTransformPreTranslate(t_transform, (MCGFloat)p_screen_rect.width / 2.0, (MCGFloat)p_screen_rect.height / 2.0);
return t_transform;
case kMCStackFullscreenNoBorder:
t_scale = MCMax((MCGFloat)p_screen_rect.width / (MCGFloat)p_stack_rect.width, (MCGFloat)p_screen_rect.height / (MCGFloat)p_stack_rect.height);
t_transform = MCGAffineTransformMakeTranslation(-(MCGFloat)p_stack_rect.width / 2.0, -(MCGFloat)p_stack_rect.height / 2.0);
t_transform = MCGAffineTransformPreScale(t_transform, t_scale, t_scale);
t_transform = MCGAffineTransformPreTranslate(t_transform, (MCGFloat)p_screen_rect.width / 2.0, (MCGFloat)p_screen_rect.height / 2.0);
return t_transform;
case kMCStackFullscreenNoScale:
// offset so stack is centered in screen
MCRectangle t_rect;
t_rect = MCU_center_rect(p_screen_rect, p_stack_rect);
// IM-2013-12-19: [[ Bug 11590 ]] Adjust for screen rect origins other than 0,0
return MCGAffineTransformMakeTranslation(t_rect.x - p_screen_rect.x, t_rect.y - p_screen_rect.y);
default:
MCUnreachableReturn(MCGAffineTransformMakeIdentity());
}
}
void MCStack::view_init(void)
{
m_view_fullscreen = false;
m_view_fullscreenmode = kMCStackFullscreenModeDefault;
m_view_adjusted_stack_rect = m_view_requested_stack_rect = m_view_rect = MCRectangleMake(0, 0, 0, 0);
m_view_stack_visible_rect = MCRectangleMake(0, 0, 0, 0);
// MW-2011-08-26: [[ TileCache ]] Stacks start off with no tilecache.
m_view_tilecache = nil;
m_view_bg_layer_id = 0;
// MW-2011-08-19: [[ Redraw ]] Initialize the view's update region
m_view_update_region = nil;
m_view_transform = MCGAffineTransformMakeIdentity();
m_view_content_scale = 1.0;
// IM-2014-01: [[ HiDPI ]] Initialize the view backing surface scale
m_view_backing_scale = 1.0;
}
bool MCFontCreate(MCNameRef p_name, MCFontStyle p_style, int32_t p_size, MCFontRef& r_font)
{
for(MCFont *t_font = s_fonts; t_font != nil; t_font = t_font -> next)
{
if (p_name == t_font -> name &&
p_style == t_font -> style &&
p_size == t_font -> size)
{
t_font -> references += 1;
r_font = t_font;
return true;
}
}
MCFontRef self;
if (!MCMemoryNew(self))
return false;
self -> references = 1;
/* UNCHECKED */ MCNameClone(p_name, self -> name);
self -> style = p_style;
self -> size = p_size;
uint2 t_temp_size;
t_temp_size = self -> size;
self -> fontstruct = MCdispatcher -> loadfont(self -> name, t_temp_size, MCFontStyleToTextStyle(self -> style), (self -> style & kMCFontStylePrinterMetrics) != 0);
// MW-2013-12-04: [[ Bug 11535 ]] Test to see if the font is fixed-width, at least for
// Roman script.
MCGFont t_gfont;
t_gfont = MCFontStructToMCGFont(self -> fontstruct);
t_gfont . fixed_advance = 0;
// We check the width of ' ', i, l, m and w. If they are all the same width
// we assume the font is monospaced and subsequently set the fixed_advance
// field to a suitable value.
MCGFloat t_last_width;
for(uindex_t i = 0; i < 5; i++)
{
unichar_t t_char;
t_char = (unichar_t)((" ilmw")[i]);
// MM-2014-04-16: [[ Bug 11964 ]] MCGContextMeasurePlatformText prototype updated to take scale. Pass identity.
MCGFloat t_this_width;
t_this_width = MCGContextMeasurePlatformText(nil, &t_char, 2, t_gfont, MCGAffineTransformMakeIdentity());
if (t_this_width == 0.0 ||
(i != 0 && t_this_width != t_last_width))
{
t_last_width = 0;
break;
}
t_last_width = t_this_width;
}
self -> fixed_advance = floorf(t_last_width + 0.5);
self -> next = s_fonts;
s_fonts = self;
r_font = self;
return true;
}
