/*

Simple DirectMedia Layer

Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>

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"

static int

UIKit_AllocateDisplayModeData(SDL_DisplayMode * mode,

{

SDL_DisplayModeData *data = NULL;

if (uiscreenmode != nil) {

/* Allocate the display mode data */

data = (SDL_DisplayModeData *) SDL_malloc(sizeof(*data));

if (!data) {

return SDL_OutOfMemory();

}

data->uiscreenmode = uiscreenmode;

[data->uiscreenmode retain];

}

mode->driverdata = data;

return 0;

}

static void

UIKit_FreeDisplayModeData(SDL_DisplayMode * mode)

{

SDL_DisplayModeData *data = (SDL_DisplayModeData *)mode->driverdata;

[data->uiscreenmode release];

SDL_free(data);

mode->driverdata = NULL;

}

}

static int

UIKit_AddSingleDisplayMode(SDL_VideoDisplay * display, int w, int h,

{

SDL_DisplayMode mode;

SDL_zero(mode);

mode.format = SDL_PIXELFORMAT_ABGR8888;

mode.refresh_rate = 0;

return -1;

}

mode.w = w;

mode.h = h;

if (SDL_AddDisplayMode(display, &mode)) {

return 0;

} else {

UIKit_FreeDisplayModeData(&mode);

return -1;

}

}

static int

UIScreenMode * uiscreenmode, SDL_bool addRotation)

{

return -1;

}

if (addRotation) {

/* Add the rotated version */

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;

return -1;

}

SDL_zero(display);

display.desktop_mode = mode;

display.current_mode = mode;

/* Allocate the display data */

SDL_DisplayData *data = (SDL_DisplayData *) SDL_malloc(sizeof(*data));

if (!data) {

UIKit_FreeDisplayModeData(&display.desktop_mode);

return SDL_OutOfMemory();

}

[uiscreen retain];

data->uiscreen = uiscreen;

display.driverdata = 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)

{

SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;

@autoreleasepool {

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)

{

SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;

@autoreleasepool {

[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);

}

SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata;

[data->uiscreen release];

SDL_free(data);

display->driverdata = NULL;

}

}

}

#endif /* SDL_VIDEO_DRIVER_UIKIT */

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