sdl-ios-xcode: src/video/uikit/SDL_uikitwindow.m annotate

annotate src/video/uikit/SDL_uikitwindow.m @ 3363:90aec03bf9fd

Fixed bug #627 Increased accuracy of alpha blend calculation

author	Sam Lantinga <slouken@libsdl.org>
date	Sat, 10 Oct 2009 07:48:57 +0000
parents	99210400e8b9
children	4ec48602f1db

rev	line source
2765 f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
2859 99210400e8b9 Updated copyright date Sam Lantinga <slouken@libsdl.org> parents: 2765 diff changeset	3 Copyright (C) 1997-2009 Sam Lantinga
2765 f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include "SDL_video.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 #include "SDL_mouse.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 #include "../SDL_sysvideo.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #include "../SDL_pixels_c.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #include "../../events/SDL_events_c.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 #include "SDL_uikitvideo.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 #include "SDL_uikitevents.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 #include "SDL_uikitwindow.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 #import "SDL_uikitappdelegate.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 #import "SDL_uikitopenglview.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 #import "SDL_renderer_sw.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 #include <UIKit/UIKit.h>
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39 #include <Foundation/Foundation.h>
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 static int SetupWindowData(_THIS, SDL_Window window, UIWindow uiwindow, SDL_bool created) {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 SDL_WindowData *data;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 /* Allocate the window data */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 data = (SDL_WindowData )SDL_malloc(sizeof(data));
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 if (!data) {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 SDL_OutOfMemory();
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 return -1;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 data->windowID = window->id;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 data->uiwindow = uiwindow;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 data->view = nil;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 /* Fill in the SDL window with the window data */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 window->x = 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 window->y = 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59 window->w = (int)uiwindow.frame.size.width;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 window->h = (int)uiwindow.frame.size.height;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 window->driverdata = data;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65 window->flags &= ~SDL_WINDOW_RESIZABLE; /* window is NEVER resizeable */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 window->flags \|= SDL_WINDOW_OPENGL; /* window is always OpenGL */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 window->flags \|= SDL_WINDOW_FULLSCREEN; /* window is always fullscreen */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68 window->flags \|= SDL_WINDOW_SHOWN; /* only one window on iPod touch, always shown */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 window->flags \|= SDL_WINDOW_INPUT_FOCUS; /* always has input focus */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 /* SDL_WINDOW_BORDERLESS controls whether status bar is hidden */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 if (window->flags & SDL_WINDOW_BORDERLESS) {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 [UIApplication sharedApplication].statusBarHidden = YES;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 else {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 [UIApplication sharedApplication].statusBarHidden = NO;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 return 0;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 int UIKit_CreateWindow(_THIS, SDL_Window *window) {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 /* iPhone applications are single window only */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 if (nil != [SDLUIKitDelegate sharedAppDelegate].window) {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 SDL_SetError("Window already exists, no multi-window support.");
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 return -1;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 /* ignore the size user requested, and make a fullscreen window */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 UIWindow *uiwindow = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 if (SetupWindowData(_this, window, uiwindow, SDL_TRUE) < 0) {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95 [uiwindow release];
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 return -1;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 [SDLUIKitDelegate sharedAppDelegate].window = uiwindow;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 [uiwindow release]; /* release the window (the app delegate has retained it) */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 return 1;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 void UIKit_DestroyWindow(_THIS, SDL_Window * window) {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 /* don't worry, the delegate will automatically release the window */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 SDL_WindowData data = (SDL_WindowData )window->driverdata;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 if (data) {
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 SDL_free( window->driverdata );
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 /* this will also destroy the window */
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 [SDLUIKitDelegate sharedAppDelegate].window = nil;
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 }
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118
f55c87ae336b Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/uikit/SDL_uikitwindow.m @ 3363:90aec03bf9fd