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RasterView.cxx
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//
// CUPS raster file viewer application window code.
//
// Copyright © 2002-2023 by Michael R Sweet.
//
// Licensed under Apache License v2.0. See the file "LICENSE" for more
// information.
//
//
// Include necessary headers...
//
#define __OPENTRANSPORTPROVIDERS__ // For macOS...
#define FL_INTERNAL
#include "RasterView.h"
#include <stdio.h>
#include <stdlib.h>
#include <FL/Fl.H>
#include <FL/Fl_Color_Chooser.H>
#include <FL/Fl_Native_File_Chooser.H>
#include <FL/x.H>
#include "eyedropper.xbm"
#include "left.xbm"
#include "list.xbm"
#include "move.xbm"
#include "right.xbm"
#include "zoom-in.xbm"
#include "zoom-out.xbm"
//
// Constants...
//
#ifdef __APPLE__
# define MENU_OFFSET 0
#else
# define MENU_OFFSET 25
#endif // __APPLE__
#define ATTRS_WIDTH 310
#define DEVICEN_HEIGHT 30
#define HELP_HTML \
"<HTML>\n" \
"<HEAD>\n" \
"<TITLE>RasterView Help</TITLE>\n" \
"</HEAD>\n" \
"<BODY>\n" \
"<H1>RasterView Help</H1>\n" \
"<H2>The Basics</H2>\n" \
"<P>RasterView starts in <var>zoom in</var> mode (<CODE>Z</CODE>, " \
"which allows you to click on the page or drag a zoom box on the " \
"page to zoom in. You can also use <var>pan</var> mode " \
"(<CODE>P</CODE>) to drag/pan the page in the window, <var>zoom " \
"out</var> mode (<CODE>SHIFT + Z</CODE>) to click on the page to " \
"zoom out, or <var>color viewing</var> mode (<CODE>C</CODE>) to " \
"click or drag the mouse and view the raw colors on the page.</P>\n" \
"<H2>Keyboard Shortcuts</H2>\n" \
"<UL>\n" \
"<LI><CODE>Spacebar</CODE>: Show next page</LI>\n" \
"<LI><CODE>Backspace/Delete</CODE>: Show previous page</LI>\n" \
"<LI><CODE>0</CODE>: Zoom to fit</LI>\n" \
"<LI><CODE>1</CODE> to <CODE>8</CODE>: Zoom Nx</LI>\n" \
"<LI><CODE>9</CODE>: Zoom 20x</LI>\n" \
"<LI><CODE>-</CODE>: Zoom out</LI>\n" \
"<LI><CODE>=</CODE>: Zoom in</LI>\n" \
"<LI><CODE>C</CODE>: Click or drag mouse to view colors</LI>\n" \
"<LI><CODE>P</CODE>: Drag mouse to pan</LI>\n" \
"<LI><CODE>Z</CODE>: Click or drag mouse to zoom in</LI>\n" \
"<LI><CODE>SHIFT + Z</CODE>: Click to zoom out</LI>\n" \
"<LI><CODE>CTRL/CMD + A</CODE>: Show/hide the page attributes</LI>\n" \
"<LI><CODE>CTRL/CMD + O</CODE>: Open a raster file</LI>\n" \
"<LI><CODE>CTRL/CMD + Q</CODE>: Quit RasterView</LI>\n" \
"<LI><CODE>CTRL/CMD + R</CODE>: Reload the raster file</LI>\n" \
"</UL>\n" \
"</BODY>\n" \
"</HTML>\n"
//
// Class globals...
//
RasterView *RasterView::first_ = 0;
Fl_Help_Dialog *RasterView::help_ = 0;
#ifdef __APPLE__
//
// 'RasterView::apple_open_cb()' - Open a file.
//
void
RasterView::apple_open_cb(const char *f)// I - File to open
{
# ifdef DEBUG
fprintf(stderr, "Opening \"%s\" via Apple event.\n", f);
# endif // DEBUG
open_file(f);
}
#endif // __APPLE__
//
// 'RasterView::attrs_cb()' - Toggle attributes.
//
void
RasterView::attrs_cb(Fl_Widget *widget) // I - Button
{
RasterView *view; // I - Window
view = (RasterView *)(widget->window());
if (view->attributes_->visible())
{
view->attributes_->hide();
view->resize(view->x(), view->y(), view->w() - ATTRS_WIDTH, view->h());
}
else
{
view->attributes_->show();
view->resize(view->x(), view->y(), view->w() + ATTRS_WIDTH, view->h());
}
}
//
// 'RasterView::close_cb()' - Close this window.
//
void
RasterView::close_cb(Fl_Widget *widget)// I - Menu or window
{
RasterView *view; // I - Window
#ifdef __APPLE__
view = (RasterView *)Fl::first_window();
#else
if (widget->window())
view = (RasterView *)(widget->window());
else
view = (RasterView *)widget;
#endif // __APPLE__
if (view->loading_)
return;
view->hide();
view->display_->close_file();
view->set_filename(NULL);
}
//
// 'RasterView::color_cb()' - Show the color at the current position.
//
void
RasterView::color_cb(
RasterDisplay *display) // O - Display widget
{
RasterView *view; // I - Window
int i; // Looping var
uchar *cpixel, // Current pixel value
*ccolor; // Current pixel color
char *ptr; // Pointer into label
cups_page_header_t *header; // Page header
ccolor = display->get_color(display->mouse_x(), display->mouse_y());
cpixel = display->get_pixel(display->mouse_x(), display->mouse_y());
view = (RasterView *)(display->window());
header = display->header();
view->pixel_[sizeof(view->pixel_) - 1] = '\0';
if (!ccolor || !cpixel)
strncpy(view->pixel_, " -/=/0-9 to zoom", sizeof(view->pixel_) - 1);
else
{
strncpy(view->pixel_, " ", sizeof(view->pixel_) - 1);
for (i = 0, ptr = view->pixel_ + 7; i < display->bytes_per_pixel(); i ++)
{
snprintf(ptr, sizeof(view->pixel_) - (size_t)(ptr - view->pixel_), " %d", *cpixel++);
ptr += strlen(ptr);
}
strcpy(ptr, " :");
ptr += 2;
int banding = (header->cupsBitsPerPixel + 7) / 8;
char *hexptr = ptr + 1;
for (i = 0; i < display->bytes_per_color(); i ++)
{
if ((i % banding) == 0)
*ptr++ = ' ';
snprintf(ptr, sizeof(view->pixel_) - (ptr - view->pixel_), "%02X", ccolor[i]);
ptr += 2;
}
Fl::copy(hexptr, strlen(hexptr), 1);
if (header->cupsColorSpace == CUPS_CSPACE_CIEXYZ)
{
float xyz[3]; /* XYZ value */
if (header->cupsBitsPerColor == 16)
{
unsigned short *c16 = (unsigned short *)ccolor;
xyz[0] = c16[0] / 59577.2727f;
xyz[1] = c16[1] / 59577.2727f;
xyz[2] = c16[2] / 59577.2727f;
}
else
{
xyz[0] = ccolor[0] / 231.8181f;
xyz[1] = ccolor[1] / 231.8181f;
xyz[2] = ccolor[2] / 231.8181f;
}
snprintf(ptr, sizeof(view->pixel_) - (ptr - view->pixel_),
" (%.3f %.3f %.3f)", xyz[0], xyz[1], xyz[2]);
}
else if (header->cupsColorSpace == CUPS_CSPACE_CIELab ||
header->cupsColorSpace >= CUPS_CSPACE_ICC1)
{
float lab[3]; /* Lab value */
if (header->cupsBitsPerColor == 16)
{
unsigned short *c16 = (unsigned short *)ccolor;
lab[0] = c16[0] / 655.35f;
lab[1] = c16[1] / 256.0f - 128.0f;
lab[2] = c16[2] / 256.0f - 128.0f;
}
else
{
lab[0] = ccolor[0] / 2.55f;
lab[1] = ccolor[1] - 128.0f;
lab[2] = ccolor[2] - 128.0f;
}
snprintf(ptr, sizeof(view->pixel_) - (ptr - view->pixel_),
" (%.3f %.3f %.3f)", lab[0], lab[1], lab[2]);
}
}
view->status_->label(view->pixel_);
}
//
// 'RasterView::device_cb()' - Handle device color changes.
//
void
RasterView::device_cb(
Fl_Widget *widget) // I - Widget
{
RasterView *view; // I - Window
int i; // Looping var
view = (RasterView *)(widget->window());
for (i = 0; i < 15; i ++)
if (widget == view->colors_[i])
{
uchar r, g, b;
Fl::get_color(view->display_->device_color(i), r, g, b);
if (fl_color_chooser(widget->label(), r, g, b))
{
view->display_->device_color(i, fl_rgb_color(r, g, b));
reopen_cb(widget);
}
break;
}
}
//
// 'RasterView::goto_cb()' - Show the specified page.
//
void
RasterView::goto_cb(Fl_Widget *widget) // I - Next button
{
RasterView *view; // I - Window
view = (RasterView *)(widget->window());
if (view->loading_)
return;
Fl::focus(view->display_);
view->loading_ = 1;
view->display_->page(atoi(view->page_input_->value()));
view->load_attrs();
view->loading_ = 0;
}
//
// 'RasterView::handle()' - Handle global shortcuts...
//
int // O - 1 if handled, 0 otherwise
RasterView::handle(int event) // I - Event
{
#ifdef __APPLE__
if (event == FL_SHORTCUT && Fl::event_key() == 'w' &&
Fl::event_state(FL_COMMAND))
{
close_cb(this);
return (1);
}
#endif // __APPLE__
return (Fl_Double_Window::handle(event));
}
//
// 'RasterView::help_cb()' - Show the on-line help.
//
void
RasterView::help_cb()
{
if (!help_)
{
help_ = new Fl_Help_Dialog();
help_->value(HELP_HTML);
}
help_->show();
}
//
// 'RasterView::init()' - Initialize the window.
//
void
RasterView::init()
{
Fl_Group *sub_group;
static Fl_Menu_Item items[] = // Menu items
{
{"&File", 0, 0, 0, FL_SUBMENU },
{"&Open...", FL_COMMAND + 'o', (Fl_Callback *)open_cb },
{"&Re-open", FL_COMMAND + 'r', (Fl_Callback *)reopen_cb, },
{"&Close", FL_COMMAND + 'w', (Fl_Callback *)close_cb },
#ifndef __APPLE__
{"&Quit", FL_COMMAND + 'q', (Fl_Callback *)quit_cb },
#endif // !__APPLE__
{0},
{"&Help", 0, 0, 0, FL_SUBMENU },
{"&About RasterView...", 0, (Fl_Callback *)help_cb },
{0},
{0}
};
static const char * const color_labels[] =
{
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"12",
"13",
"14",
"15"
};
menubar_ = new Fl_Sys_Menu_Bar(0, 0, w(), 25);
menubar_->menu(items);
display_ = new RasterDisplay(0, MENU_OFFSET, w(), h() - MENU_OFFSET - 30);
display_->callback((Fl_Callback *)color_cb);
buttons_ = new Fl_Group(0, h() - 30, w(), 30);
sub_group = new Fl_Group(0, h() - 30, 80, 30);
prev_button_ = new Fl_Button(0, h() - 30, 25, 30);
prev_button_->image(new Fl_Bitmap(left_bits, left_width, left_height));
prev_button_->box(FL_FLAT_BOX);
prev_button_->tooltip("Show Previous Page");
prev_button_->callback((Fl_Callback *)prev_cb);
prev_button_->deactivate();
prev_button_->shortcut(FL_BackSpace);
page_input_ = new Fl_Int_Input(25, h() - 30, 30, 30);
page_input_->callback((Fl_Callback *)goto_cb);
page_input_->clear_visible_focus();
page_input_->when(FL_WHEN_RELEASE | FL_WHEN_ENTER_KEY);
next_button_ = new Fl_Button(55, h() - 30, 25, 30);
next_button_->image(new Fl_Bitmap(right_bits, right_width, right_height));
next_button_->box(FL_FLAT_BOX);
next_button_->tooltip("Show Next Page");
next_button_->callback((Fl_Callback *)next_cb);
next_button_->deactivate();
next_button_->shortcut(' ');
sub_group->resizable(page_input_);
sub_group->end();
status_ = new Fl_Box(80, h() - 30, w() - 250, 30, "-/=/0-9 to zoom");
status_->align((Fl_Align)(FL_ALIGN_CENTER | FL_ALIGN_INSIDE));
sub_group = new Fl_Group(w() - 170, h() - 30, 120, 30);
zoom_in_button_ = new Fl_Button(w() - 170, h() - 30, 30, 30);
zoom_in_button_->image(new Fl_Bitmap(zoom_in_bits, zoom_in_width, zoom_in_height));
zoom_in_button_->box(FL_FLAT_BOX);
zoom_in_button_->tooltip("Click to Zoom");
zoom_in_button_->type(FL_RADIO_BUTTON);
zoom_in_button_->selection_color(FL_BLACK);
zoom_in_button_->value(1);
zoom_in_button_->align((Fl_Align)(FL_ALIGN_INSIDE | FL_ALIGN_CENTER));
zoom_in_button_->callback((Fl_Callback *)mode_cb);
zoom_in_button_->shortcut('z');
zoom_out_button_ = new Fl_Button(w() - 140, h() - 30, 30, 30);
zoom_out_button_->image(new Fl_Bitmap(zoom_out_bits, zoom_out_width, zoom_out_height));
zoom_out_button_->box(FL_FLAT_BOX);
zoom_out_button_->tooltip("Click to Zoom");
zoom_out_button_->type(FL_RADIO_BUTTON);
zoom_out_button_->selection_color(FL_BLACK);
zoom_out_button_->align((Fl_Align)(FL_ALIGN_INSIDE | FL_ALIGN_CENTER));
zoom_out_button_->callback((Fl_Callback *)mode_cb);
zoom_out_button_->shortcut('Z');
pan_button_ = new Fl_Button(w() - 110, h() - 30, 30, 30);
pan_button_->image(new Fl_Bitmap(move_bits, move_width, move_height));
pan_button_->box(FL_FLAT_BOX);
pan_button_->tooltip("Click and Drag to Pan");
pan_button_->type(FL_RADIO_BUTTON);
pan_button_->selection_color(FL_BLACK);
pan_button_->align((Fl_Align)(FL_ALIGN_INSIDE | FL_ALIGN_CENTER));
pan_button_->callback((Fl_Callback *)mode_cb);
pan_button_->shortcut('p');
color_button_ = new Fl_Button(w() - 80, h() - 30, 30, 30);
color_button_->image(new Fl_Bitmap(eyedropper_bits, eyedropper_width, eyedropper_height));
color_button_->box(FL_FLAT_BOX);
color_button_->tooltip("Click to Show Color Values");
color_button_->type(FL_RADIO_BUTTON);
color_button_->selection_color(FL_BLACK);
color_button_->align((Fl_Align)(FL_ALIGN_INSIDE | FL_ALIGN_CENTER));
color_button_->callback((Fl_Callback *)mode_cb);
color_button_->shortcut('c');
sub_group->end();
attrs_button_ = new Fl_Button(w() - 30, h() - 30, 30, 30);
attrs_button_->image(new Fl_Bitmap(list_bits, list_width, list_height));
attrs_button_->box(FL_FLAT_BOX);
attrs_button_->tooltip("Hide/Show Page Attributes");
attrs_button_->type(FL_TOGGLE_BUTTON);
attrs_button_->selection_color(FL_BLACK);
attrs_button_->align((Fl_Align)(FL_ALIGN_INSIDE | FL_ALIGN_CENTER));
attrs_button_->callback((Fl_Callback *)attrs_cb);
attrs_button_->shortcut(FL_COMMAND + 'a');
buttons_->resizable(status_);
buttons_->end();
attributes_ = new Fl_Group(w(), 0, ATTRS_WIDTH, h());
header_ = new Fl_Text_Display(w(), 0, ATTRS_WIDTH, h() - DEVICEN_HEIGHT);
header_buffer_ = new Fl_Text_Buffer(65536);
header_->buffer(header_buffer_);
header_->textfont(FL_COURIER);
header_->textsize(12);
header_->box(FL_DOWN_BOX);
for (int i = 0; i < 15; i ++)
{
colors_[i] = new Fl_Button(w() + 5 + 20 * i, h() - DEVICEN_HEIGHT + 5, 20, 20, color_labels[i]);
colors_[i]->callback(device_cb);
}
attributes_->resizable(header_);
attributes_->end();
attributes_->hide();
end();
resizable(display_);
callback((Fl_Callback *)close_cb, this);
// Initialize the titlebar...
filename_ = NULL;
title_ = NULL;
set_filename(NULL);
// Add this window to the list of windows...
#ifdef __APPLE__
if (!first_)
fl_open_callback(apple_open_cb);
#endif // __APPLE__
loading_ = 0;
next_ = first_;
first_ = this;
Fl::focus(display_);
}
//
// 'RasterView::load_attrs()' - Load attributes into the display.
//
void
RasterView::load_attrs()
{
int i; // Looping var
char s[1024]; // Line buffer
cups_page_header_t *header; // Header data
header = display_->header();
if (!strcmp(header->MediaClass, "PwgRaster"))
{
header_buffer_->text("PWG Raster Page Attributes:\n\n");
snprintf(s, sizeof(s), "MediaColor = \"%s\"\n", header->MediaColor);
header_buffer_->append(s);
snprintf(s, sizeof(s), "MediaType = \"%s\"\n", header->MediaType);
header_buffer_->append(s);
snprintf(s, sizeof(s), "PrintContentOptimize = \"%s\"\n", header->OutputType);
header_buffer_->append(s);
snprintf(s, sizeof(s), "CutMedia = %d\n", header->CutMedia);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Duplex = %d\n", header->Duplex);
header_buffer_->append(s);
snprintf(s, sizeof(s), "HWResolution = [ %d %d ]\n", header->HWResolution[0], header->HWResolution[1]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "InsertSheet = %d\n", header->InsertSheet);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Jog = %d\n", header->Jog);
header_buffer_->append(s);
snprintf(s, sizeof(s), "LeadingEdge = %d\n", header->LeadingEdge);
header_buffer_->append(s);
snprintf(s, sizeof(s), "MediaPosition = %d\n", header->MediaPosition);
header_buffer_->append(s);
snprintf(s, sizeof(s), "MediaWeightMetric = %d\n", header->MediaWeight);
header_buffer_->append(s);
snprintf(s, sizeof(s), "NumCopies = %d\n", header->NumCopies);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Orientation = %d\n", header->Orientation);
header_buffer_->append(s);
snprintf(s, sizeof(s), "PageSize = [ %d %d ]\n", header->PageSize[0], header->PageSize[1]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Tumble = %d\n", header->Tumble);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Width = %d\n", header->cupsWidth);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Height = %d\n", header->cupsHeight);
header_buffer_->append(s);
snprintf(s, sizeof(s), "BitsPerColor = %d\n", header->cupsBitsPerColor);
header_buffer_->append(s);
snprintf(s, sizeof(s), "BitsPerPixel = %d\n", header->cupsBitsPerPixel);
header_buffer_->append(s);
snprintf(s, sizeof(s), "BytesPerLine = %d\n", header->cupsBytesPerLine);
header_buffer_->append(s);
snprintf(s, sizeof(s), "ColorOrder = %s\n", header->cupsColorOrder == CUPS_ORDER_CHUNKED ? "CHUNKED" : header->cupsColorOrder == CUPS_ORDER_BANDED ? "BANDED" : header->cupsColorOrder == CUPS_ORDER_PLANAR ? "PLANAR" : "UNKNOWN");
header_buffer_->append(s);
snprintf(s, sizeof(s), "ColorSpace = %s\n", _cupsRasterColorSpaceString(header->cupsColorSpace));
header_buffer_->append(s);
snprintf(s, sizeof(s), "NumColors = %d\n", header->cupsNumColors);
header_buffer_->append(s);
snprintf(s, sizeof(s), "TotalPageCount = %u\n", header->cupsInteger[CUPS_RASTER_PWG_TotalPageCount]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "CrossFeedTransform = %d\n", header->cupsInteger[CUPS_RASTER_PWG_CrossFeedTransform]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "FeedTransform = %d\n", header->cupsInteger[CUPS_RASTER_PWG_FeedTransform]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "ImageBoxLeft = %u\n", header->cupsInteger[CUPS_RASTER_PWG_ImageBoxLeft]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "ImageBoxTop = %u\n", header->cupsInteger[CUPS_RASTER_PWG_ImageBoxTop]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "ImageBoxRight = %u\n", header->cupsInteger[CUPS_RASTER_PWG_ImageBoxRight]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "ImageBoxBottom = %u\n", header->cupsInteger[CUPS_RASTER_PWG_ImageBoxBottom]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "AlternatePrimary = %06x (%u, %u, %u)\n", header->cupsInteger[CUPS_RASTER_PWG_AlternatePrimary], (header->cupsInteger[CUPS_RASTER_PWG_AlternatePrimary] >> 16) & 255, (header->cupsInteger[CUPS_RASTER_PWG_AlternatePrimary] >> 8) & 255, header->cupsInteger[CUPS_RASTER_PWG_AlternatePrimary] & 255);
header_buffer_->append(s);
snprintf(s, sizeof(s), "PrintQuality = %u\n", header->cupsInteger[CUPS_RASTER_PWG_PrintQuality]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "VendorIdentifier = %u\n", header->cupsInteger[CUPS_RASTER_PWG_VendorIdentifier]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "VendorLength = %u\n", header->cupsInteger[CUPS_RASTER_PWG_VendorLength]);
header_buffer_->append(s);
unsigned char *data = (unsigned char *)header->cupsReal;
unsigned dataidx, datalen = header->cupsInteger[15];
header_buffer_->append("VendorData =");
for (dataidx = 0; dataidx < datalen; dataidx ++)
{
if ((dataidx & 7) == 0)
header_buffer_->append("\n ");
snprintf(s, sizeof(s), " %02X", *data++);
header_buffer_->append(s);
}
header_buffer_->append("\n");
snprintf(s, sizeof(s), "RenderingIntent = \"%s\"\n", header->cupsRenderingIntent);
header_buffer_->append(s);
snprintf(s, sizeof(s), "PageSizeName = \"%s\"\n", header->cupsPageSizeName);
header_buffer_->append(s);
}
else
{
header_buffer_->text("CUPS Raster Page Attributes:\n\n");
snprintf(s, sizeof(s), "MediaClass = \"%s\"\n", header->MediaClass);
header_buffer_->append(s);
snprintf(s, sizeof(s), "MediaColor = \"%s\"\n", header->MediaColor);
header_buffer_->append(s);
snprintf(s, sizeof(s), "MediaType = \"%s\"\n", header->MediaType);
header_buffer_->append(s);
snprintf(s, sizeof(s), "OutputType = \"%s\"\n", header->OutputType);
header_buffer_->append(s);
snprintf(s, sizeof(s), "AdvanceDistance = %d\n", header->AdvanceDistance);
header_buffer_->append(s);
snprintf(s, sizeof(s), "AdvanceMedia = %d\n", header->AdvanceMedia);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Collate = %d\n", header->Collate);
header_buffer_->append(s);
snprintf(s, sizeof(s), "CutMedia = %d\n", header->CutMedia);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Duplex = %d\n", header->Duplex);
header_buffer_->append(s);
snprintf(s, sizeof(s), "HWResolution = [ %d %d ]\n", header->HWResolution[0], header->HWResolution[1]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "ImagingBoundingBox = [ %d %d %d %d ]\n", header->ImagingBoundingBox[0], header->ImagingBoundingBox[1], header->ImagingBoundingBox[2], header->ImagingBoundingBox[3]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "InsertSheet = %d\n", header->InsertSheet);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Jog = %d\n", header->Jog);
header_buffer_->append(s);
snprintf(s, sizeof(s), "LeadingEdge = %d\n", header->LeadingEdge);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Margins = [ %d %d ]\n", header->Margins[0], header->Margins[1]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "ManualFeed = %d\n", header->ManualFeed);
header_buffer_->append(s);
snprintf(s, sizeof(s), "MediaPosition = %d\n", header->MediaPosition);
header_buffer_->append(s);
snprintf(s, sizeof(s), "MediaWeight = %d\n", header->MediaWeight);
header_buffer_->append(s);
snprintf(s, sizeof(s), "MirrorPrint = %d\n", header->MirrorPrint);
header_buffer_->append(s);
snprintf(s, sizeof(s), "NegativePrint = %d\n", header->NegativePrint);
header_buffer_->append(s);
snprintf(s, sizeof(s), "NumCopies = %d\n", header->NumCopies);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Orientation = %d\n", header->Orientation);
header_buffer_->append(s);
snprintf(s, sizeof(s), "OutputFaceUp = %d\n", header->OutputFaceUp);
header_buffer_->append(s);
snprintf(s, sizeof(s), "PageSize = [ %d %d ]\n", header->PageSize[0], header->PageSize[1]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Separations = %d\n", header->Separations);
header_buffer_->append(s);
snprintf(s, sizeof(s), "TraySwitch = %d\n", header->TraySwitch);
header_buffer_->append(s);
snprintf(s, sizeof(s), "Tumble = %d\n", header->Tumble);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsWidth = %d\n", header->cupsWidth);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsHeight = %d\n", header->cupsHeight);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsMediaType = %d\n", header->cupsMediaType);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsBitsPerColor = %d\n", header->cupsBitsPerColor);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsBitsPerPixel = %d\n", header->cupsBitsPerPixel);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsBytesPerLine = %d\n", header->cupsBytesPerLine);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsColorOrder = %s\n", header->cupsColorOrder == CUPS_ORDER_CHUNKED ? "CHUNKED" : header->cupsColorOrder == CUPS_ORDER_BANDED ? "BANDED" : header->cupsColorOrder == CUPS_ORDER_PLANAR ? "PLANAR" : "UNKNOWN");
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsColorSpace = %s\n", _cupsRasterColorSpaceString(header->cupsColorSpace));
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsCompression = %d\n", header->cupsCompression);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsRowCount = %d\n", header->cupsRowCount);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsRowFeed = %d\n", header->cupsRowFeed);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsRowStep = %d\n", header->cupsRowStep);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsNumColors = %d\n", header->cupsNumColors);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsBorderlessScalingFactor = %f\n", header->cupsBorderlessScalingFactor);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsPageSize = [ %f %f ]\n", header->cupsPageSize[0], header->cupsPageSize[1]);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsImagingBBox = [ %f %f %f %f ]\n", header->cupsImagingBBox[0], header->cupsImagingBBox[1], header->cupsImagingBBox[2], header->cupsImagingBBox[3]);
header_buffer_->append(s);
for (i = 0; i < 16; i ++)
{
snprintf(s, sizeof(s), "cupsInteger%d = %u\n", i + 1, header->cupsInteger[i]);
header_buffer_->append(s);
}
for (i = 0; i < 16; i ++)
{
snprintf(s, sizeof(s), "cupsReal%d = %f\n", i + 1, header->cupsReal[i]);
header_buffer_->append(s);
}
for (i = 0; i < 16; i ++)
{
snprintf(s, sizeof(s), "cupsString%d = \"%s\"\n", i + 1, header->cupsString[i]);
header_buffer_->append(s);
}
snprintf(s, sizeof(s), "cupsMarkerType = \"%s\"\n", header->cupsMarkerType);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsRenderingIntent = \"%s\"\n", header->cupsRenderingIntent);
header_buffer_->append(s);
snprintf(s, sizeof(s), "cupsPageSizeName = \"%s\"\n", header->cupsPageSizeName);
header_buffer_->append(s);
}
/*
* Set device colors for the given color space...
*/
for (i = 0; i < header->cupsNumColors; i ++)
{
Fl_Color c = display_->device_color(i);
colors_[i]->show();
colors_[i]->color(c);
colors_[i]->labelcolor(fl_contrast(FL_BLACK, c));
colors_[i]->redraw();
}
for (; i < 15; i ++)
colors_[i]->hide();
if (display_->is_subtractive() && header->cupsBitsPerColor >= 8)
{
for (i = 0; i < 15; i ++)
colors_[i]->activate();
}
else
{
for (i = 0; i < 15; i ++)
colors_[i]->deactivate();
}
header_->redraw();
// Update navigation controls...
char val[255];
snprintf(val, sizeof(val), "%d", display_->page());
page_input_->value(val);
if (display_->page() == 1)
prev_button_->deactivate();
else
prev_button_->activate();
if (display_->page() >= display_->num_pages())
next_button_->deactivate();
else
next_button_->activate();
}
//
// 'mode_cb()' - Change mode.
//
void
RasterView::mode_cb(Fl_Widget *widget)
{
RasterView *view = (RasterView *)widget->window();
if (widget == view->zoom_in_button_)
view->display_->mode(RASTER_MODE_ZOOM_IN);
else if (widget == view->zoom_out_button_)
view->display_->mode(RASTER_MODE_ZOOM_OUT);
else if (widget == view->pan_button_)
view->display_->mode(RASTER_MODE_PAN);
else
view->display_->mode(RASTER_MODE_CLICK);
}
//
// 'RasterView::next_cb()' - Show the next page.
//
void
RasterView::next_cb(Fl_Widget *widget) // I - Next button
{
RasterView *view; // I - Window
view = (RasterView *)(widget->window());
if (view->loading_)
return;
view->loading_ = 1;
view->display_->load_page();
view->load_attrs();
view->loading_ = 0;
}
//
// 'RasterView::open_file()' - Open a raster file in a new window.
//
RasterView * // O - New window
RasterView::open_file(const char *f) // I - File to open
{
RasterView *view; // New window
char *argv[1]; // Argument
for (view = first_; view; view = view->next_)
if (view->filename_ && !strcmp(f, view->filename_))
break;
if (!view)
{
for (view = first_; view; view = view->next_)
if (!view->filename_)
break;
}
if (!view)
view = new RasterView(600, 800);
view->set_filename(f);
argv[0] = (char *)"rasterview";
view->show(1, argv);
view->reopen_cb(view);
return (view);
}
//
// 'RasterView::open_cb()' - Open a new file.
//
void
RasterView::open_cb()
{
Fl_Native_File_Chooser fc;
fc.title("Open?");
fc.type(Fl_Native_File_Chooser::BROWSE_FILE);
fc.filter("Raster Files\t*.{apple,pwg,ras}{,.gz}\n");
if (!fc.show())
open_file(fc.filename());
}
//
// 'RasterView::prev_cb()' - Show the previous page.
//
void
RasterView::prev_cb(Fl_Widget *widget) // I - Next button
{
RasterView *view; // I - Window
view = (RasterView *)(widget->window());
if (view->loading_)
return;
view->loading_ = 1;
view->display_->page(view->display_->page() - 1);
view->load_attrs();
view->loading_ = 0;
}