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shoebill
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shoebill/gui/Shoebill/shoeScreenView.m

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/*
* Copyright (c) 2014, Peter Rutenbar <pruten@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "shoeScreenView.h"
#import "shoeAppDelegate.h"
#import "shoeApplication.h"
#import <Foundation/Foundation.h>
@implementation shoeScreenView
- (void)initCommon
{
shoeApp = (shoeApplication*) NSApp;
control = &shoeApp->control;
}
- (id)initWithFrame:(NSRect)frame
{
self = [super initWithFrame:frame];
if (self)
[self initCommon];
return self;
}
- (id)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (self)
[self initCommon];
return self;
}
- (void) awakeFromNib
{
NSOpenGLPixelFormatAttribute attrs[] =
{
NSOpenGLPFADoubleBuffer,
0
};
NSOpenGLPixelFormat *pf = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs];
assert(pf);
NSOpenGLContext* context = [[NSOpenGLContext alloc] initWithFormat:pf shareContext:nil];
[self setPixelFormat:pf];
[self setOpenGLContext:context];
colorspace = CGColorSpaceCreateDeviceRGB();
timer = [NSTimer
scheduledTimerWithTimeInterval:(0.015/2.0)
target:self
selector:@selector(timerFireMethod:)
userInfo:nil
repeats:YES];
shoebill_card_video_t *video = &control->slots[10].card.video;
NSSize size = {
.height=video->height,
.width=video->width
};
[[self window] setContentSize:size];
[[self window] setTitle:[NSString stringWithFormat:@"Shoebill - Screen 1"]];
[[self window] makeKeyAndOrderFront:nil];
}
- (void)timerFireMethod:(NSTimer *)timer
{
[self setNeedsDisplay:YES];
}
- (void)prepareOpenGL
{
NSRect frame = [self frame];
NSRect bounds = [self bounds];
GLfloat minX, minY, maxX, maxY;
minX = NSMinX(bounds);
minY = NSMinY(bounds);
maxX = NSMaxX(bounds);
maxY = NSMaxY(bounds);
//[self update];
if(NSIsEmptyRect([self visibleRect]))
{
glViewport(0, 0, 1, 1);
} else {
glViewport(0, 0, frame.size.width ,frame.size.height);
}
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(minX, maxX, minY, maxY, -1.0, 1.0);
}
static void _do_clut_translation(shoebill_card_video_t *ctx)
{
uint32_t i;
switch (ctx->depth) {
case 1: {
for (i=0; i < ctx->pixels/8; i++) {
const uint8_t byte = ctx->indexed_buf[i];
ctx->direct_buf[i * 8 + 0] = ctx->clut[(byte >> 7) & 1];
ctx->direct_buf[i * 8 + 1] = ctx->clut[(byte >> 6) & 1];
ctx->direct_buf[i * 8 + 2] = ctx->clut[(byte >> 5) & 1];
ctx->direct_buf[i * 8 + 3] = ctx->clut[(byte >> 4) & 1];
ctx->direct_buf[i * 8 + 4] = ctx->clut[(byte >> 3) & 1];
ctx->direct_buf[i * 8 + 5] = ctx->clut[(byte >> 2) & 1];
ctx->direct_buf[i * 8 + 6] = ctx->clut[(byte >> 1) & 1];
ctx->direct_buf[i * 8 + 7] = ctx->clut[(byte >> 0) & 1];
}
break;
}
case 2: {
for (i=0; i < ctx->pixels/4; i++) {
const uint8_t byte = ctx->indexed_buf[i];
ctx->direct_buf[i * 4 + 0] = ctx->clut[(byte >> 6) & 3];
ctx->direct_buf[i * 4 + 1] = ctx->clut[(byte >> 4) & 3];
ctx->direct_buf[i * 4 + 2] = ctx->clut[(byte >> 2) & 3];
ctx->direct_buf[i * 4 + 3] = ctx->clut[(byte >> 0) & 3];
}
break;
}
case 4: {
for (i=0; i < ctx->pixels/2; i++) {
const uint8_t byte = ctx->indexed_buf[i];
ctx->direct_buf[i * 2 + 0] = ctx->clut[(byte >> 4) & 0xf];
ctx->direct_buf[i * 2 + 1] = ctx->clut[(byte >> 0) & 0xf];
}
break;
}
case 8:
for (i=0; i < ctx->pixels; i++)
ctx->direct_buf[i] = ctx->clut[ctx->indexed_buf[i]];
break;
default:
assert(!"unknown depth");
}
}
- (void)drawRect:(NSRect)rect
{
[[self openGLContext] makeCurrentContext];
glDrawBuffer(GL_BACK);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(0.0, 0.0, 0.0, 0.0);
if (shoeApp->isRunning) {
shoebill_card_video_t *video = &control->slots[10].card.video;
_do_clut_translation(video);
glViewport(0, 0, video->width, video->height);
glRasterPos2i(0, video->height);
glPixelStorei(GL_UNPACK_LSB_FIRST, GL_TRUE);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glPixelZoom(1.0, -1.0);
glDrawPixels(video->width,
video->height,
GL_RGBA,
GL_UNSIGNED_BYTE,
video->direct_buf);
}
[[self openGLContext] flushBuffer];
}
- (void) warpToCenter
{
// Convert the cocoa window frame to quartz global coordinates
NSRect winrect = [[self window] frame];
NSScreen *mainScreen = (NSScreen*)[[NSScreen screens] objectAtIndex:0];
winrect.origin.y = NSMaxY([mainScreen frame]) - NSMaxY(winrect);
CGRect cgwinrect = NSRectToCGRect(winrect);
// Find the center of the window
cgwinrect.origin.x += cgwinrect.size.width / 2.0;
cgwinrect.origin.y += cgwinrect.size.height / 2.0;
CGWarpMouseCursorPosition(cgwinrect.origin);
}
- (void)viewDidMoveToWindow
{
[[self window] setAcceptsMouseMovedEvents:YES];
[[self window] makeFirstResponder:self];
}
- (void)mouseEntered:(NSEvent *)theEvent
{
[[self window] setAcceptsMouseMovedEvents:YES];
[[self window] makeFirstResponder:self];
}
- (void)mouseMoved:(NSEvent *)theEvent
{
if (shoeApp->doCaptureMouse) {
assert(shoeApp->isRunning);
//NSPoint point = [theEvent locationInWindow];
//NSPoint point = [self convertPoint:windowPoint fromView:self];
/*NSRect winFrame = [[self window] frame];
NSPoint winCenter;
winCenter.x = winFrame.size.width / 2.0;
winCenter.y = winFrame.size.height / 2.0;*/
/*int32_t delta_x = (int32_t)(point.x - winCenter.x);
int32_t delta_y = -(int32_t)(point.y - winCenter.y);*/
int32_t delta_x, delta_y;
CGGetLastMouseDelta(&delta_x, &delta_y);
shoebill_mouse_move_delta(delta_x, delta_y);
[self warpToCenter];
}
}
-(void)mouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
- (void) say:(NSString*)str
{
NSAlert *theAlert = [NSAlert
alertWithMessageText:nil
defaultButton:nil
alternateButton:nil
otherButton:nil
informativeTextWithFormat:@"%@", str
];
[theAlert runModal];
}
- (void)mouseDown:(NSEvent *)theEvent
{
if (shoeApp->doCaptureMouse) {
assert(shoeApp->isRunning);
shoebill_mouse_click(1);
// Warp experiment
//[self say:[NSString stringWithFormat:@"view origin x=%f, y=%f, window origin x=%f, y=%f", rect.origin.x, rect.origin.y, winrect.origin.x, winrect.origin.y]];
}
}
- (void)mouseUp:(NSEvent *)theEvent
{
if (shoeApp->doCaptureMouse) {
assert(shoeApp->isRunning);
shoebill_mouse_click(0);
}
}
@end
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