/* Simple DirectMedia Layer Copyright (C) 1997-2014 Sam Lantinga This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. */ #include "../../SDL_internal.h" #if SDL_VIDEO_DRIVER_UIKIT #include "SDL_assert.h" #include "SDL_uikitmodes.h" @implementation SDL_DisplayData @synthesize uiscreen; @end @implementation SDL_DisplayModeData @synthesize uiscreenmode; @end static int UIKit_AllocateDisplayModeData(SDL_DisplayMode * mode, UIScreenMode * uiscreenmode) { SDL_DisplayModeData *data = nil; if (uiscreenmode != nil) { /* Allocate the display mode data */ data = [[SDL_DisplayModeData alloc] init]; if (!data) { return SDL_OutOfMemory(); } data.uiscreenmode = uiscreenmode; } mode->driverdata = (void *) CFBridgingRetain(data); return 0; } static void UIKit_FreeDisplayModeData(SDL_DisplayMode * mode) { if (mode->driverdata != NULL) { CFRelease(mode->driverdata); mode->driverdata = NULL; } } static int UIKit_AddSingleDisplayMode(SDL_VideoDisplay * display, int w, int h, UIScreenMode * uiscreenmode) { SDL_DisplayMode mode; SDL_zero(mode); mode.format = SDL_PIXELFORMAT_ABGR8888; mode.refresh_rate = 0; if (UIKit_AllocateDisplayModeData(&mode, uiscreenmode) < 0) { return -1; } mode.w = w; mode.h = h; if (SDL_AddDisplayMode(display, &mode)) { return 0; } else { UIKit_FreeDisplayModeData(&mode); return -1; } } static int UIKit_AddDisplayMode(SDL_VideoDisplay * display, int w, int h, UIScreenMode * uiscreenmode, SDL_bool addRotation) { if (UIKit_AddSingleDisplayMode(display, w, h, uiscreenmode) < 0) { return -1; } if (addRotation) { /* Add the rotated version */ if (UIKit_AddSingleDisplayMode(display, h, w, uiscreenmode) < 0) { return -1; } } return 0; } static int UIKit_AddDisplay(UIScreen *uiscreen) { CGSize size = [uiscreen bounds].size; /* Make sure the width/height are oriented correctly */ if (UIKit_IsDisplayLandscape(uiscreen) != (size.width > size.height)) { CGFloat height = size.width; size.width = size.height; size.height = height; } SDL_VideoDisplay display; SDL_DisplayMode mode; SDL_zero(mode); mode.format = SDL_PIXELFORMAT_ABGR8888; mode.w = (int) size.width; mode.h = (int) size.height; UIScreenMode *uiscreenmode = [uiscreen currentMode]; if (UIKit_AllocateDisplayModeData(&mode, uiscreenmode) < 0) { return -1; } SDL_zero(display); display.desktop_mode = mode; display.current_mode = mode; /* Allocate the display data */ SDL_DisplayData *data = [[SDL_DisplayData alloc] init]; if (!data) { UIKit_FreeDisplayModeData(&display.desktop_mode); return SDL_OutOfMemory(); } data.uiscreen = uiscreen; display.driverdata = (void *) CFBridgingRetain(data); SDL_AddVideoDisplay(&display); return 0; } SDL_bool UIKit_IsDisplayLandscape(UIScreen *uiscreen) { if (uiscreen == [UIScreen mainScreen]) { return UIInterfaceOrientationIsLandscape([[UIApplication sharedApplication] statusBarOrientation]); } else { CGSize size = [uiscreen bounds].size; return (size.width > size.height); } } int UIKit_InitModes(_THIS) { @autoreleasepool { for (UIScreen *uiscreen in [UIScreen screens]) { if (UIKit_AddDisplay(uiscreen) < 0) { return -1; } } } return 0; } void UIKit_GetDisplayModes(_THIS, SDL_VideoDisplay * display) { @autoreleasepool { SDL_DisplayData *data = (__bridge SDL_DisplayData *) display->driverdata; SDL_bool isLandscape = UIKit_IsDisplayLandscape(data.uiscreen); SDL_bool addRotation = (data.uiscreen == [UIScreen mainScreen]); CGFloat scale = data.uiscreen.scale; for (UIScreenMode *uimode in [data.uiscreen availableModes]) { /* The size of a UIScreenMode is in pixels, but we deal exclusively in * points (except in SDL_GL_GetDrawableSize.) */ CGSize size = [uimode size]; int w = (int)(size.width / scale); int h = (int)(size.height / scale); /* Make sure the width/height are oriented correctly */ if (isLandscape != (w > h)) { int tmp = w; w = h; h = tmp; } /* Add the native screen resolution. */ UIKit_AddDisplayMode(display, w, h, uimode, addRotation); } } } int UIKit_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode) { @autoreleasepool { SDL_DisplayData *data = (__bridge SDL_DisplayData *) display->driverdata; SDL_DisplayModeData *modedata = (__bridge SDL_DisplayModeData *)mode->driverdata; [data.uiscreen setCurrentMode:modedata.uiscreenmode]; if (data.uiscreen == [UIScreen mainScreen]) { if (mode->w > mode->h) { if (!UIKit_IsDisplayLandscape(data.uiscreen)) { [[UIApplication sharedApplication] setStatusBarOrientation:UIInterfaceOrientationLandscapeRight animated:NO]; } } else if (mode->w < mode->h) { if (UIKit_IsDisplayLandscape(data.uiscreen)) { [[UIApplication sharedApplication] setStatusBarOrientation:UIInterfaceOrientationPortrait animated:NO]; } } } } return 0; } void UIKit_QuitModes(_THIS) { /* Release Objective-C objects, so higher level doesn't free() them. */ int i, j; @autoreleasepool { for (i = 0; i < _this->num_displays; i++) { SDL_VideoDisplay *display = &_this->displays[i]; UIKit_FreeDisplayModeData(&display->desktop_mode); for (j = 0; j < display->num_display_modes; j++) { SDL_DisplayMode *mode = &display->display_modes[j]; UIKit_FreeDisplayModeData(mode); } if (display->driverdata != NULL) { CFRelease(display->driverdata); display->driverdata = NULL; } } } } #endif /* SDL_VIDEO_DRIVER_UIKIT */ /* vi: set ts=4 sw=4 expandtab: */