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agg/src/platform/mac/agg_platform_support.cpp

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//----------------------------------------------------------------------------
// Anti-Grain Geometry - Version 2.4
// Copyright (C) 2002-2005 Maxim Shemanarev (McSeem)
// Copyright (C) 2003 Hansruedi Baer (MacOS support)
//
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
//
//----------------------------------------------------------------------------
// Contact: mcseem@antigrain.com
// mcseemagg@yahoo.com
// http://www.antigrain.com
// baer@karto.baug.eth.ch
//----------------------------------------------------------------------------
//
// class platform_support
//
//----------------------------------------------------------------------------
//
// Note:
// I tried to retain the original structure for the Win32 platform as far
// as possible. Currently, not all features are implemented but the examples
// should work properly.
// HB
//----------------------------------------------------------------------------
#include <Carbon.h>
#if defined(__MWERKS__)
#include "console.h"
#endif
#include <cstring>
#include <unistd.h>
#include "platform/agg_platform_support.h"
#include "platform/mac/agg_mac_pmap.h"
#include "util/agg_color_conv_rgb8.h"
namespace agg
{
pascal OSStatus DoWindowClose (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
pascal OSStatus DoWindowDrawContent (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
pascal OSStatus DoAppQuit (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
pascal OSStatus DoMouseDown (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
pascal OSStatus DoMouseUp (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
pascal OSStatus DoMouseDragged (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
pascal OSStatus DoKeyDown (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
pascal OSStatus DoKeyUp (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
pascal void DoPeriodicTask (EventLoopTimerRef theTimer, void* userData);
//------------------------------------------------------------------------
class platform_specific
{
public:
platform_specific(pix_format_e format, bool flip_y);
void create_pmap(unsigned width, unsigned height,
rendering_buffer* wnd);
void display_pmap(WindowRef window, const rendering_buffer* src);
bool load_pmap(const char* fn, unsigned idx,
rendering_buffer* dst);
bool save_pmap(const char* fn, unsigned idx,
const rendering_buffer* src);
unsigned translate(unsigned keycode);
pix_format_e m_format;
pix_format_e m_sys_format;
bool m_flip_y;
unsigned m_bpp;
unsigned m_sys_bpp;
WindowRef m_window;
pixel_map m_pmap_window;
pixel_map m_pmap_img[platform_support::max_images];
unsigned m_keymap[256];
unsigned m_last_translated_key;
int m_cur_x;
int m_cur_y;
unsigned m_input_flags;
bool m_redraw_flag;
UnsignedWide m_sw_freq;
UnsignedWide m_sw_start;
};
//------------------------------------------------------------------------
platform_specific::platform_specific(pix_format_e format, bool flip_y) :
m_format(format),
m_sys_format(pix_format_undefined),
m_flip_y(flip_y),
m_bpp(0),
m_sys_bpp(0),
m_window(nil),
m_last_translated_key(0),
m_cur_x(0),
m_cur_y(0),
m_input_flags(0),
m_redraw_flag(true)
{
std::memset(m_keymap, 0, sizeof(m_keymap));
//Keyboard input is not yet fully supported nor tested
//m_keymap[VK_PAUSE] = key_pause;
m_keymap[kClearCharCode] = key_clear;
//m_keymap[VK_NUMPAD0] = key_kp0;
//m_keymap[VK_NUMPAD1] = key_kp1;
//m_keymap[VK_NUMPAD2] = key_kp2;
//m_keymap[VK_NUMPAD3] = key_kp3;
//m_keymap[VK_NUMPAD4] = key_kp4;
//m_keymap[VK_NUMPAD5] = key_kp5;
//m_keymap[VK_NUMPAD6] = key_kp6;
//m_keymap[VK_NUMPAD7] = key_kp7;
//m_keymap[VK_NUMPAD8] = key_kp8;
//m_keymap[VK_NUMPAD9] = key_kp9;
//m_keymap[VK_DECIMAL] = key_kp_period;
//m_keymap[VK_DIVIDE] = key_kp_divide;
//m_keymap[VK_MULTIPLY] = key_kp_multiply;
//m_keymap[VK_SUBTRACT] = key_kp_minus;
//m_keymap[VK_ADD] = key_kp_plus;
m_keymap[kUpArrowCharCode] = key_up;
m_keymap[kDownArrowCharCode] = key_down;
m_keymap[kRightArrowCharCode] = key_right;
m_keymap[kLeftArrowCharCode] = key_left;
//m_keymap[VK_INSERT] = key_insert;
m_keymap[kDeleteCharCode] = key_delete;
m_keymap[kHomeCharCode] = key_home;
m_keymap[kEndCharCode] = key_end;
m_keymap[kPageUpCharCode] = key_page_up;
m_keymap[kPageDownCharCode] = key_page_down;
//m_keymap[VK_F1] = key_f1;
//m_keymap[VK_F2] = key_f2;
//m_keymap[VK_F3] = key_f3;
//m_keymap[VK_F4] = key_f4;
//m_keymap[VK_F5] = key_f5;
//m_keymap[VK_F6] = key_f6;
//m_keymap[VK_F7] = key_f7;
//m_keymap[VK_F8] = key_f8;
//m_keymap[VK_F9] = key_f9;
//m_keymap[VK_F10] = key_f10;
//m_keymap[VK_F11] = key_f11;
//m_keymap[VK_F12] = key_f12;
//m_keymap[VK_F13] = key_f13;
//m_keymap[VK_F14] = key_f14;
//m_keymap[VK_F15] = key_f15;
//m_keymap[VK_NUMLOCK] = key_numlock;
//m_keymap[VK_CAPITAL] = key_capslock;
//m_keymap[VK_SCROLL] = key_scrollock;
switch(m_format)
{
case pix_format_gray8:
m_sys_format = pix_format_gray8;
m_bpp = 8;
m_sys_bpp = 8;
break;
case pix_format_rgb565:
case pix_format_rgb555:
m_sys_format = pix_format_rgb555;
m_bpp = 16;
m_sys_bpp = 16;
break;
case pix_format_rgb24:
case pix_format_bgr24:
m_sys_format = pix_format_rgb24;
m_bpp = 24;
m_sys_bpp = 24;
break;
case pix_format_bgra32:
case pix_format_abgr32:
case pix_format_argb32:
case pix_format_rgba32:
m_sys_format = pix_format_argb32;
m_bpp = 32;
m_sys_bpp = 32;
break;
}
::Microseconds(&m_sw_freq);
::Microseconds(&m_sw_start);
}
//------------------------------------------------------------------------
void platform_specific::create_pmap(unsigned width,
unsigned height,
rendering_buffer* wnd)
{
m_pmap_window.create(width, height, org_e(m_bpp));
wnd->attach(m_pmap_window.buf(),
m_pmap_window.width(),
m_pmap_window.height(),
m_flip_y ?
-m_pmap_window.row_bytes() :
m_pmap_window.row_bytes());
}
//------------------------------------------------------------------------
void platform_specific::display_pmap(WindowRef window, const rendering_buffer* src)
{
if(m_sys_format == m_format)
{
m_pmap_window.draw(window);
}
else
{
pixel_map pmap_tmp;
pmap_tmp.create(m_pmap_window.width(),
m_pmap_window.height(),
org_e(m_sys_bpp));
rendering_buffer rbuf_tmp;
rbuf_tmp.attach(pmap_tmp.buf(),
pmap_tmp.width(),
pmap_tmp.height(),
m_flip_y ?
-pmap_tmp.row_bytes() :
pmap_tmp.row_bytes());
switch(m_format)
{
case pix_format_gray8:
return;
case pix_format_rgb565:
color_conv(&rbuf_tmp, src, color_conv_rgb565_to_rgb555());
break;
case pix_format_bgr24:
color_conv(&rbuf_tmp, src, color_conv_bgr24_to_rgb24());
break;
case pix_format_abgr32:
color_conv(&rbuf_tmp, src, color_conv_abgr32_to_argb32());
break;
case pix_format_bgra32:
color_conv(&rbuf_tmp, src, color_conv_bgra32_to_argb32());
break;
case pix_format_rgba32:
color_conv(&rbuf_tmp, src, color_conv_rgba32_to_argb32());
break;
}
pmap_tmp.draw(window);
}
}
//------------------------------------------------------------------------
bool platform_specific::save_pmap(const char* fn, unsigned idx,
const rendering_buffer* src)
{
if(m_sys_format == m_format)
{
return m_pmap_img[idx].save_as_qt(fn);
}
else
{
pixel_map pmap_tmp;
pmap_tmp.create(m_pmap_img[idx].width(),
m_pmap_img[idx].height(),
org_e(m_sys_bpp));
rendering_buffer rbuf_tmp;
rbuf_tmp.attach(pmap_tmp.buf(),
pmap_tmp.width(),
pmap_tmp.height(),
m_flip_y ?
-pmap_tmp.row_bytes() :
pmap_tmp.row_bytes());
switch(m_format)
{
case pix_format_gray8:
return false;
case pix_format_rgb565:
color_conv(&rbuf_tmp, src, color_conv_rgb565_to_rgb555());
break;
case pix_format_rgb24:
color_conv(&rbuf_tmp, src, color_conv_rgb24_to_bgr24());
break;
case pix_format_abgr32:
color_conv(&rbuf_tmp, src, color_conv_abgr32_to_bgra32());
break;
case pix_format_argb32:
color_conv(&rbuf_tmp, src, color_conv_argb32_to_bgra32());
break;
case pix_format_rgba32:
color_conv(&rbuf_tmp, src, color_conv_rgba32_to_bgra32());
break;
}
return pmap_tmp.save_as_qt(fn);
}
return true;
}
//------------------------------------------------------------------------
bool platform_specific::load_pmap(const char* fn, unsigned idx,
rendering_buffer* dst)
{
pixel_map pmap_tmp;
if(!pmap_tmp.load_from_qt(fn)) return false;
rendering_buffer rbuf_tmp;
rbuf_tmp.attach(pmap_tmp.buf(),
pmap_tmp.width(),
pmap_tmp.height(),
m_flip_y ?
-pmap_tmp.row_bytes() :
pmap_tmp.row_bytes());
m_pmap_img[idx].create(pmap_tmp.width(),
pmap_tmp.height(),
org_e(m_bpp),
0);
dst->attach(m_pmap_img[idx].buf(),
m_pmap_img[idx].width(),
m_pmap_img[idx].height(),
m_flip_y ?
-m_pmap_img[idx].row_bytes() :
m_pmap_img[idx].row_bytes());
switch(m_format)
{
case pix_format_gray8:
return false;
break;
case pix_format_rgb555:
switch(pmap_tmp.bpp())
{
case 16: color_conv(dst, &rbuf_tmp, color_conv_rgb555_to_rgb555()); break;
case 24: color_conv(dst, &rbuf_tmp, color_conv_rgb24_to_rgb555()); break;
case 32: color_conv(dst, &rbuf_tmp, color_conv_argb32_to_rgb555()); break;
}
break;
case pix_format_rgb565:
switch(pmap_tmp.bpp())
{
case 16: color_conv(dst, &rbuf_tmp, color_conv_rgb555_to_rgb565()); break;
case 24: color_conv(dst, &rbuf_tmp, color_conv_rgb24_to_rgb565()); break;
case 32: color_conv(dst, &rbuf_tmp, color_conv_argb32_to_rgb565()); break;
}
break;
case pix_format_rgb24:
switch(pmap_tmp.bpp())
{
case 16: color_conv(dst, &rbuf_tmp, color_conv_rgb555_to_rgb24()); break;
case 24: color_conv(dst, &rbuf_tmp, color_conv_rgb24_to_rgb24()); break;
case 32: color_conv(dst, &rbuf_tmp, color_conv_argb32_to_rgb24()); break;
}
break;
case pix_format_bgr24:
switch(pmap_tmp.bpp())
{
case 16: color_conv(dst, &rbuf_tmp, color_conv_rgb555_to_bgr24()); break;
case 24: color_conv(dst, &rbuf_tmp, color_conv_rgb24_to_bgr24()); break;
case 32: color_conv(dst, &rbuf_tmp, color_conv_argb32_to_bgr24()); break;
}
break;
case pix_format_abgr32:
switch(pmap_tmp.bpp())
{
case 16: color_conv(dst, &rbuf_tmp, color_conv_rgb555_to_abgr32()); break;
case 24: color_conv(dst, &rbuf_tmp, color_conv_rgb24_to_abgr32()); break;
case 32: color_conv(dst, &rbuf_tmp, color_conv_argb32_to_abgr32()); break;
}
break;
case pix_format_argb32:
switch(pmap_tmp.bpp())
{
case 16: color_conv(dst, &rbuf_tmp, color_conv_rgb555_to_argb32()); break;
case 24: color_conv(dst, &rbuf_tmp, color_conv_rgb24_to_argb32()); break;
case 32: color_conv(dst, &rbuf_tmp, color_conv_argb32_to_argb32()); break;
}
break;
case pix_format_bgra32:
switch(pmap_tmp.bpp())
{
case 16: color_conv(dst, &rbuf_tmp, color_conv_rgb555_to_bgra32()); break;
case 24: color_conv(dst, &rbuf_tmp, color_conv_rgb24_to_bgra32()); break;
case 32: color_conv(dst, &rbuf_tmp, color_conv_argb32_to_bgra32()); break;
}
break;
case pix_format_rgba32:
switch(pmap_tmp.bpp())
{
case 16: color_conv(dst, &rbuf_tmp, color_conv_rgb555_to_rgba32()); break;
case 24: color_conv(dst, &rbuf_tmp, color_conv_rgb24_to_rgba32()); break;
case 32: color_conv(dst, &rbuf_tmp, color_conv_argb32_to_rgba32()); break;
}
break;
}
return true;
}
//------------------------------------------------------------------------
unsigned platform_specific::translate(unsigned keycode)
{
return m_last_translated_key = (keycode > 255) ? 0 : m_keymap[keycode];
}
//------------------------------------------------------------------------
platform_support::platform_support(pix_format_e format, bool flip_y) :
m_specific(new platform_specific(format, flip_y)),
m_format(format),
m_bpp(m_specific->m_bpp),
m_window_flags(0),
m_wait_mode(true),
m_flip_y(flip_y),
m_initial_width(10),
m_initial_height(10)
{
std::strcpy(m_caption, "Anti-Grain Geometry Application");
}
//------------------------------------------------------------------------
platform_support::~platform_support()
{
delete m_specific;
}
//------------------------------------------------------------------------
void platform_support::caption(const char* cap)
{
std::strcpy(m_caption, cap);
if(m_specific->m_window)
{
SetWindowTitleWithCFString (m_specific->m_window, CFStringCreateWithCStringNoCopy (nil, cap, kCFStringEncodingASCII, nil));
}
}
//------------------------------------------------------------------------
static unsigned get_key_flags(UInt32 wflags)
{
unsigned flags = 0;
if(wflags & shiftKey) flags |= kbd_shift;
if(wflags & controlKey) flags |= kbd_ctrl;
return flags;
}
//------------------------------------------------------------------------
void platform_support::message(const char* msg)
{
SInt16 item;
Str255 p_msg;
::CopyCStringToPascal (msg, p_msg);
::StandardAlert (kAlertPlainAlert, (const unsigned char*) "\013AGG Message", p_msg, NULL, &item);
//::StandardAlert (kAlertPlainAlert, (const unsigned char*) "\pAGG Message", p_msg, NULL, &item);
}
//------------------------------------------------------------------------
void platform_support::start_timer()
{
::Microseconds (&(m_specific->m_sw_start));
}
//------------------------------------------------------------------------
double platform_support::elapsed_time() const
{
UnsignedWide stop;
::Microseconds(&stop);
return double(stop.lo -
m_specific->m_sw_start.lo) * 1e6 /
double(m_specific->m_sw_freq.lo);
}
//------------------------------------------------------------------------
bool platform_support::init(unsigned width, unsigned height, unsigned flags)
{
if(m_specific->m_sys_format == pix_format_undefined)
{
return false;
}
m_window_flags = flags;
// application
EventTypeSpec eventType;
EventHandlerUPP handlerUPP;
eventType.eventClass = kEventClassApplication;
eventType.eventKind = kEventAppQuit;
handlerUPP = NewEventHandlerUPP(DoAppQuit);
InstallApplicationEventHandler (handlerUPP, 1, &eventType, nil, nil);
eventType.eventClass = kEventClassMouse;
eventType.eventKind = kEventMouseDown;
handlerUPP = NewEventHandlerUPP(DoMouseDown);
InstallApplicationEventHandler (handlerUPP, 1, &eventType, this, nil);
eventType.eventKind = kEventMouseUp;
handlerUPP = NewEventHandlerUPP(DoMouseUp);
InstallApplicationEventHandler (handlerUPP, 1, &eventType, this, nil);
eventType.eventKind = kEventMouseDragged;
handlerUPP = NewEventHandlerUPP(DoMouseDragged);
InstallApplicationEventHandler (handlerUPP, 1, &eventType, this, nil);
eventType.eventClass = kEventClassKeyboard;
eventType.eventKind = kEventRawKeyDown;
handlerUPP = NewEventHandlerUPP(DoKeyDown);
InstallApplicationEventHandler (handlerUPP, 1, &eventType, this, nil);
eventType.eventKind = kEventRawKeyUp;
handlerUPP = NewEventHandlerUPP(DoKeyUp);
InstallApplicationEventHandler (handlerUPP, 1, &eventType, this, nil);
eventType.eventKind = kEventRawKeyRepeat;
handlerUPP = NewEventHandlerUPP(DoKeyDown); // 'key repeat' is translated to 'key down'
InstallApplicationEventHandler (handlerUPP, 1, &eventType, this, nil);
WindowAttributes windowAttrs;
Rect bounds;
// window
windowAttrs = kWindowCloseBoxAttribute | kWindowCollapseBoxAttribute | kWindowStandardHandlerAttribute;
SetRect (&bounds, 0, 0, width, height);
OffsetRect (&bounds, 100, 100);
CreateNewWindow (kDocumentWindowClass, windowAttrs, &bounds, &m_specific->m_window);
if(m_specific->m_window == nil)
{
return false;
}
// I assume the text is ASCII.
// Change to kCFStringEncodingMacRoman, kCFStringEncodingISOLatin1, kCFStringEncodingUTF8 or what else you need.
SetWindowTitleWithCFString (m_specific->m_window, CFStringCreateWithCStringNoCopy (nil, m_caption, kCFStringEncodingASCII, nil));
eventType.eventClass = kEventClassWindow;
eventType.eventKind = kEventWindowClose;
handlerUPP = NewEventHandlerUPP(DoWindowClose);
InstallWindowEventHandler (m_specific->m_window, handlerUPP, 1, &eventType, this, NULL);
eventType.eventKind = kEventWindowDrawContent;
handlerUPP = NewEventHandlerUPP(DoWindowDrawContent);
InstallWindowEventHandler (m_specific->m_window, handlerUPP, 1, &eventType, this, NULL);
// Periodic task
// Instead of an idle function I use the Carbon event timer.
// You may decide to change the wait value which is currently 50 milliseconds.
EventLoopRef mainLoop;
EventLoopTimerUPP timerUPP;
EventLoopTimerRef theTimer;
mainLoop = GetMainEventLoop();
timerUPP = NewEventLoopTimerUPP (DoPeriodicTask);
InstallEventLoopTimer (mainLoop, 0, 50 * kEventDurationMillisecond, timerUPP, this, &theTimer);
m_specific->create_pmap(width, height, &m_rbuf_window);
m_initial_width = width;
m_initial_height = height;
on_init();
on_resize(width, height);
m_specific->m_redraw_flag = true;
ShowWindow (m_specific->m_window);
SetPortWindowPort (m_specific->m_window);
return true;
}
//------------------------------------------------------------------------
int platform_support::run()
{
RunApplicationEventLoop ();
return true;
}
//------------------------------------------------------------------------
const char* platform_support::img_ext() const { return ".bmp"; }
//------------------------------------------------------------------------
const char* platform_support::full_file_name(const char* file_name)
{
return file_name;
}
//------------------------------------------------------------------------
bool platform_support::load_img(unsigned idx, const char* file)
{
if(idx < max_images)
{
char fn[1024];
std::strcpy(fn, file);
int len = std::strlen(fn);
#if defined(__MWERKS__)
if(len < 4 || stricmp(fn + len - 4, ".BMP") != 0)
#else
if(len < 4 || strncasecmp(fn + len - 4, ".BMP", 4) != 0)
#endif
{
std::strcat(fn, ".bmp");
}
return m_specific->load_pmap(fn, idx, &m_rbuf_img[idx]);
}
return true;
}
//------------------------------------------------------------------------
bool platform_support::save_img(unsigned idx, const char* file)
{
if(idx < max_images)
{
char fn[1024];
std::strcpy(fn, file);
int len = std::strlen(fn);
#if defined(__MWERKS__)
if(len < 4 || stricmp(fn + len - 4, ".BMP") != 0)
#else
if(len < 4 || strncasecmp(fn + len - 4, ".BMP", 4) != 0)
#endif
{
std::strcat(fn, ".bmp");
}
return m_specific->save_pmap(fn, idx, &m_rbuf_img[idx]);
}
return true;
}
//------------------------------------------------------------------------
bool platform_support::create_img(unsigned idx, unsigned width, unsigned height)
{
if(idx < max_images)
{
if(width == 0) width = m_specific->m_pmap_window.width();
if(height == 0) height = m_specific->m_pmap_window.height();
m_specific->m_pmap_img[idx].create(width, height, org_e(m_specific->m_bpp));
m_rbuf_img[idx].attach(m_specific->m_pmap_img[idx].buf(),
m_specific->m_pmap_img[idx].width(),
m_specific->m_pmap_img[idx].height(),
m_flip_y ?
-m_specific->m_pmap_img[idx].row_bytes() :
m_specific->m_pmap_img[idx].row_bytes());
return true;
}
return false;
}
//------------------------------------------------------------------------
void platform_support::force_redraw()
{
Rect bounds;
m_specific->m_redraw_flag = true;
// on_ctrl_change ();
on_draw();
SetRect(&bounds, 0, 0, m_rbuf_window.width(), m_rbuf_window.height());
InvalWindowRect(m_specific->m_window, &bounds);
}
//------------------------------------------------------------------------
void platform_support::update_window()
{
m_specific->display_pmap(m_specific->m_window, &m_rbuf_window);
}
//------------------------------------------------------------------------
void platform_support::on_init() {}
void platform_support::on_resize(int sx, int sy) {}
void platform_support::on_idle() {}
void platform_support::on_mouse_move(int x, int y, unsigned flags) {}
void platform_support::on_mouse_button_down(int x, int y, unsigned flags) {}
void platform_support::on_mouse_button_up(int x, int y, unsigned flags) {}
void platform_support::on_key(int x, int y, unsigned key, unsigned flags) {}
void platform_support::on_ctrl_change() {}
void platform_support::on_draw() {}
void platform_support::on_post_draw(void* raw_handler) {}
//------------------------------------------------------------------------
pascal OSStatus DoWindowClose (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
userData;
QuitApplicationEventLoop ();
return CallNextEventHandler (nextHandler, theEvent);
}
//------------------------------------------------------------------------
pascal OSStatus DoAppQuit (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
userData;
return CallNextEventHandler (nextHandler, theEvent);
}
//------------------------------------------------------------------------
pascal OSStatus DoMouseDown (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
Point wheresMyMouse;
UInt32 modifier;
GetEventParameter (theEvent, kEventParamMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &wheresMyMouse);
GlobalToLocal (&wheresMyMouse);
GetEventParameter (theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifier);
platform_support * app = reinterpret_cast<platform_support*>(userData);
app->m_specific->m_cur_x = wheresMyMouse.h;
if(app->flip_y())
{
app->m_specific->m_cur_y = app->rbuf_window().height() - wheresMyMouse.v;
}
else
{
app->m_specific->m_cur_y = wheresMyMouse.v;
}
app->m_specific->m_input_flags = mouse_left | get_key_flags(modifier);
app->m_ctrls.set_cur(app->m_specific->m_cur_x,
app->m_specific->m_cur_y);
if(app->m_ctrls.on_mouse_button_down(app->m_specific->m_cur_x,
app->m_specific->m_cur_y))
{
app->on_ctrl_change();
app->force_redraw();
}
else
{
if(app->m_ctrls.in_rect(app->m_specific->m_cur_x,
app->m_specific->m_cur_y))
{
if(app->m_ctrls.set_cur(app->m_specific->m_cur_x,
app->m_specific->m_cur_y))
{
app->on_ctrl_change();
app->force_redraw();
}
}
else
{
app->on_mouse_button_down(app->m_specific->m_cur_x,
app->m_specific->m_cur_y,
app->m_specific->m_input_flags);
}
}
return CallNextEventHandler (nextHandler, theEvent);
}
//------------------------------------------------------------------------
pascal OSStatus DoMouseUp (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
Point wheresMyMouse;
UInt32 modifier;
GetEventParameter (theEvent, kEventParamMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &wheresMyMouse);
GlobalToLocal (&wheresMyMouse);
GetEventParameter (theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifier);
platform_support * app = reinterpret_cast<platform_support*>(userData);
app->m_specific->m_cur_x = wheresMyMouse.h;
if(app->flip_y())
{
app->m_specific->m_cur_y = app->rbuf_window().height() - wheresMyMouse.v;
}
else
{
app->m_specific->m_cur_y = wheresMyMouse.v;
}
app->m_specific->m_input_flags = mouse_left | get_key_flags(modifier);
if(app->m_ctrls.on_mouse_button_up(app->m_specific->m_cur_x,
app->m_specific->m_cur_y))
{
app->on_ctrl_change();
app->force_redraw();
}
app->on_mouse_button_up(app->m_specific->m_cur_x,
app->m_specific->m_cur_y,
app->m_specific->m_input_flags);
return CallNextEventHandler (nextHandler, theEvent);
}
//------------------------------------------------------------------------
pascal OSStatus DoMouseDragged (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
Point wheresMyMouse;
UInt32 modifier;
GetEventParameter (theEvent, kEventParamMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &wheresMyMouse);
GlobalToLocal (&wheresMyMouse);
GetEventParameter (theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifier);
platform_support * app = reinterpret_cast<platform_support*>(userData);
app->m_specific->m_cur_x = wheresMyMouse.h;
if(app->flip_y())
{
app->m_specific->m_cur_y = app->rbuf_window().height() - wheresMyMouse.v;
}
else
{
app->m_specific->m_cur_y = wheresMyMouse.v;
}
app->m_specific->m_input_flags = mouse_left | get_key_flags(modifier);
if(app->m_ctrls.on_mouse_move(
app->m_specific->m_cur_x,
app->m_specific->m_cur_y,
(app->m_specific->m_input_flags & mouse_left) != 0))
{
app->on_ctrl_change();
app->force_redraw();
}
else
{
app->on_mouse_move(app->m_specific->m_cur_x,
app->m_specific->m_cur_y,
app->m_specific->m_input_flags);
}
return CallNextEventHandler (nextHandler, theEvent);
}
//------------------------------------------------------------------------
pascal OSStatus DoKeyDown (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
char key_code;
UInt32 modifier;
GetEventParameter (theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(char), NULL, &key_code);
GetEventParameter (theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifier);
platform_support * app = reinterpret_cast<platform_support*>(userData);
app->m_specific->m_last_translated_key = 0;
switch(modifier)
{
case controlKey:
app->m_specific->m_input_flags |= kbd_ctrl;
break;
case shiftKey:
app->m_specific->m_input_flags |= kbd_shift;
break;
default:
app->m_specific->translate(key_code);
break;
}
if(app->m_specific->m_last_translated_key)
{
bool left = false;
bool up = false;
bool right = false;
bool down = false;
switch(app->m_specific->m_last_translated_key)
{
case key_left:
left = true;
break;
case key_up:
up = true;
break;
case key_right:
right = true;
break;
case key_down:
down = true;
break;
//On a Mac, screenshots are handled by the system.
case key_f2:
app->copy_window_to_img(agg::platform_support::max_images - 1);
app->save_img(agg::platform_support::max_images - 1, "screenshot");
break;
}
if(app->m_ctrls.on_arrow_keys(left, right, down, up))
{
app->on_ctrl_change();
app->force_redraw();
}
else
{
app->on_key(app->m_specific->m_cur_x,
app->m_specific->m_cur_y,
app->m_specific->m_last_translated_key,
app->m_specific->m_input_flags);
}
}
return CallNextEventHandler (nextHandler, theEvent);
}
//------------------------------------------------------------------------
pascal OSStatus DoKeyUp (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
char key_code;
UInt32 modifier;
GetEventParameter (theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(char), NULL, &key_code);
GetEventParameter (theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifier);
platform_support * app = reinterpret_cast<platform_support*>(userData);
app->m_specific->m_last_translated_key = 0;
switch(modifier)
{
case controlKey:
app->m_specific->m_input_flags &= ~kbd_ctrl;
break;
case shiftKey:
app->m_specific->m_input_flags &= ~kbd_shift;
break;
}
return CallNextEventHandler (nextHandler, theEvent);
}
//------------------------------------------------------------------------
pascal OSStatus DoWindowDrawContent (EventHandlerCallRef nextHandler, EventRef theEvent, void* userData)
{
platform_support * app = reinterpret_cast<platform_support*>(userData);
if(app)
{
if(app->m_specific->m_redraw_flag)
{
app->on_draw();
app->m_specific->m_redraw_flag = false;
}
app->m_specific->display_pmap(app->m_specific->m_window, &app->rbuf_window());
}
return CallNextEventHandler (nextHandler, theEvent);
}
//------------------------------------------------------------------------
pascal void DoPeriodicTask (EventLoopTimerRef theTimer, void* userData)
{
platform_support * app = reinterpret_cast<platform_support*>(userData);
if(!app->wait_mode())
app->on_idle();
}
}
//----------------------------------------------------------------------------
int agg_main(int argc, char* argv[]);
// Hm. Classic MacOS does not know command line input.
// CodeWarrior provides a way to mimic command line input.
// The function 'ccommand' can be used to get the command
// line arguments.
//----------------------------------------------------------------------------
int main(int argc, char* argv[])
{
#if defined(__MWERKS__)
// argc = ccommand (&argv);
#endif
// Check if we are launched by double-clicking under OSX
// Get rid of extra argument, this will confuse the standard argument parsing
// calls used in the examples to get the name of the image file to be used
if ( argc >= 2 && std::strncmp(argv[1], "-psn", 4) == 0 ) {
argc = 1;
}
launch:
return agg_main(argc, argv);
}
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