Rewrite png2c.pl in C++.
This allows us to always generate icons during build, and in the future remove a Perl dependency.
This commit is contained in:
whitequark
parent
b23336b589
commit
f76f76ff60
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@ -141,9 +141,6 @@ endif()
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# components
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if(WIN32)
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add_subdirectory(tools)
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endif()
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add_subdirectory(tools)
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add_subdirectory(src)
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add_subdirectory(exposed)
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@ -51,10 +51,10 @@ for use due to bugs in this toolkit.
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### Building for Windows
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You will need CMake and a Windows cross-compiler.
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You will need CMake, a Windows cross-compiler, and Wine with binfmt support.
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On a Debian derivative (e.g. Ubuntu) these can be installed with:
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apt-get install mingw-w64 cmake
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apt-get install cmake mingw-w64 wine-binfmt
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Before building, check out the submodules:
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@ -79,26 +79,30 @@ endif()
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# generated files
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# `$<TARGET_FILE:tool>` allows us to use binfmt support on Linux
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# without special-casing anything; running `tool.exe` would succeed
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# but unlike Windows, Linux does not have the machinery to map
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# an invocation of `tool` to an executable `tool.exe` in $PATH.
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file(GLOB icons "${CMAKE_CURRENT_SOURCE_DIR}/icons/*.png")
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file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/generated")
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add_custom_command(
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/generated/icons.cpp"
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"${CMAKE_CURRENT_BINARY_DIR}/generated/icons.h"
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COMMAND $<TARGET_FILE:png2c>
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"${CMAKE_CURRENT_BINARY_DIR}/generated/icons.cpp"
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"${CMAKE_CURRENT_BINARY_DIR}/generated/icons.h"
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${icons}
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DEPENDS png2c ${icons})
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if(PERL_FOUND AND PERLMODULES_FOUND)
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add_custom_command(
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OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/built/icons.h"
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"${CMAKE_CURRENT_SOURCE_DIR}/built/icons-proto.h"
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COMMAND "${PERL_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/png2c.pl"
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"${CMAKE_CURRENT_SOURCE_DIR}/built/icons.h"
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"${CMAKE_CURRENT_SOURCE_DIR}/built/icons-proto.h"
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"${CMAKE_CURRENT_SOURCE_DIR}"
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MAIN_DEPENDENCY "${CMAKE_CURRENT_SOURCE_DIR}/png2c.pl"
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DEPENDENCIES ${icons})
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add_custom_command(
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OUTPUT "${CMAKE_CURRENT_SOURCE_DIR}/built/bitmapextra.table.h"
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COMMAND "${PERL_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/pngchar2c.pl"
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"${CMAKE_CURRENT_SOURCE_DIR}/built/bitmapextra.table.h"
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"${CMAKE_CURRENT_SOURCE_DIR}"
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MAIN_DEPENDENCY "${CMAKE_CURRENT_SOURCE_DIR}/pngchar2c.pl"
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DEPENDENCIES ${icons})
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DEPENDS ${icons})
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endif()
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if(WIN32 AND NOT DISABLE_TTF2C)
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@ -110,8 +114,10 @@ endif()
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set(generated_HEADERS
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built/bitmapextra.table.h
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built/bitmapfont.table.h
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built/icons-proto.h
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built/icons.h)
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${CMAKE_CURRENT_BINARY_DIR}/generated/icons.h)
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set(generated_SOURCES
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${CMAKE_CURRENT_BINARY_DIR}/generated/icons.cpp)
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set_source_files_properties(${generated_HEADERS}
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PROPERTIES GENERATED TRUE)
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@ -306,6 +312,7 @@ add_executable(solvespace WIN32 MACOSX_BUNDLE
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${platform_HEADERS}
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${platform_SOURCES}
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${platform_BUNDLED_RESOURCES}
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${generated_SOURCES}
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${generated_HEADERS}
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${solvespace_HEADERS}
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${solvespace_SOURCES})
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@ -1,40 +0,0 @@
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/**** This is a generated file - do not edit ****/
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extern unsigned char Icon_angle[24*24*3];
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extern unsigned char Icon_arc[24*24*3];
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extern unsigned char Icon_assemble[24*24*3];
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extern unsigned char Icon_bezier[24*24*3];
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extern unsigned char Icon_circle[24*24*3];
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extern unsigned char Icon_constraint[24*24*3];
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extern unsigned char Icon_construction[24*24*3];
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extern unsigned char Icon_edges[24*24*3];
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extern unsigned char Icon_equal[24*24*3];
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extern unsigned char Icon_extrude[24*24*3];
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extern unsigned char Icon_faces[24*24*3];
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extern unsigned char Icon_hidden_lines[24*24*3];
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extern unsigned char Icon_horiz[24*24*3];
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extern unsigned char Icon_in3d[24*24*3];
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extern unsigned char Icon_length[24*24*3];
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extern unsigned char Icon_line[24*24*3];
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extern unsigned char Icon_mesh[24*24*3];
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extern unsigned char Icon_normal[24*24*3];
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extern unsigned char Icon_ontoworkplane[24*24*3];
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extern unsigned char Icon_other_supp[24*24*3];
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extern unsigned char Icon_parallel[24*24*3];
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extern unsigned char Icon_perpendicular[24*24*3];
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extern unsigned char Icon_point[24*24*3];
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extern unsigned char Icon_pointonx[24*24*3];
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extern unsigned char Icon_rectangle[24*24*3];
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extern unsigned char Icon_ref[24*24*3];
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extern unsigned char Icon_same_orientation[24*24*3];
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extern unsigned char Icon_shaded[24*24*3];
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extern unsigned char Icon_sketch_in_3d[24*24*3];
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extern unsigned char Icon_sketch_in_plane[24*24*3];
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extern unsigned char Icon_step_rotate[24*24*3];
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extern unsigned char Icon_step_translate[24*24*3];
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extern unsigned char Icon_symmetric[24*24*3];
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extern unsigned char Icon_tangent_arc[24*24*3];
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extern unsigned char Icon_text[24*24*3];
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extern unsigned char Icon_trim[24*24*3];
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extern unsigned char Icon_vert[24*24*3];
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extern unsigned char Icon_workplane[24*24*3];
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22004
src/built/icons.h
22004
src/built/icons.h
File diff suppressed because it is too large
Load Diff
52
src/png2c.pl
52
src/png2c.pl
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@ -1,52 +0,0 @@
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#!/usr/bin/env perl
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use strict;
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use warnings;
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use GD;
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my ($out, $proto, $srcdir) = @ARGV;
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defined($srcdir) or $srcdir = '.';
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-d "$srcdir/icons" || die "$srcdir/icons/: directory not found";
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open(OUT, ">$out") or die "$out: $!";
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open(PROTO, ">$proto") or die "$proto: $!";
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print OUT "/**** This is a generated file - do not edit ****/\n\n";
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print PROTO "/**** This is a generated file - do not edit ****/\n\n";
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for my $file (<$srcdir/icons/*.png>) {
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next if $file =~ m#/char-[^/]+$#;
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$file =~ m#/([^/]+)\.png$#;
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my $base = "Icon_$1";
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$base =~ y/-/_/;
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open(PNG, $file) or die "$file: $!\n";
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my $img = newFromPng GD::Image(\*PNG) or die;
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$img->trueColor(1);
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close PNG;
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my ($width, $height) = $img->getBounds();
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die "$file: $width, $height" if ($width != 24) or ($height != 24);
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print PROTO "extern unsigned char $base\[24*24*3\];\n";
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print OUT "unsigned char $base\[24*24*3] = {\n";
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for(my $y = 0; $y < 24; $y++) {
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for(my $x = 0; $x < 24; $x++) {
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my $index = $img->getPixel($x, 23-$y);
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my ($r, $g, $b) = $img->rgb($index);
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if($r + $g + $b < 11) {
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($r, $g, $b) = (30, 30, 30);
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}
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printf OUT " 0x%02x, 0x%02x, 0x%02x,\n", $r, $g, $b;
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}
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}
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print OUT "};\n\n";
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}
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close PROTO;
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close OUT;
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@ -4,7 +4,7 @@
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// Copyright 2008-2013 Jonathan Westhues.
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//-----------------------------------------------------------------------------
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#include "solvespace.h"
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#include <icons-proto.h>
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#include "generated/icons.h"
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const TextWindow::Color TextWindow::fgColors[] = {
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{ 'd', RGBi(255, 255, 255) },
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@ -6,8 +6,7 @@
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// Copyright 2008-2013 Jonathan Westhues.
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//-----------------------------------------------------------------------------
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#include "solvespace.h"
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#include <icons-proto.h>
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#include <icons.h>
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#include "generated/icons.h"
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static uint8_t SPACER[1];
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static const struct {
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@ -1,4 +1,19 @@
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add_executable(ttf2c
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include_directories(
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${PNG_INCLUDE_DIRS})
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link_directories(
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${PNG_LIBRARY_DIRS})
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if(WIN32)
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add_executable(ttf2c
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ttf2c.cpp)
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target_link_libraries(ttf2c
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target_link_libraries(ttf2c
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comctl32)
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endif()
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add_executable(png2c
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png2c.cpp)
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target_link_libraries(png2c
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${PNG_LIBRARIES})
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125
tools/png2c.cpp
Normal file
125
tools/png2c.cpp
Normal file
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@ -0,0 +1,125 @@
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#include <stdio.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include <png.h>
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#define die(msg) do { fprintf(stderr, "%s\n", msg); abort(); } while(0)
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void write_png(FILE *out, const char *filename) {
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FILE *fp = fopen(filename, "rb");
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if (!fp)
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die("png fopen failed");
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png_byte header[8] = {};
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if(fread(header, 1, 8, fp) != 8)
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die("png fread failed");
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if(png_sig_cmp(header, 0, 8))
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die("png_sig_cmp failed");
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png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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if(!png)
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die("png_create_read_struct failed");
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png_set_expand(png);
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png_set_strip_alpha(png);
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png_infop png_info = png_create_info_struct(png);
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if (!png_info)
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die("png_create_info_struct failed");
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if (setjmp(png_jmpbuf(png)))
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die("png_init_io failed");
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png_init_io(png, fp);
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png_set_sig_bytes(png, 8);
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png_read_info(png, png_info);
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int width = png_get_image_width(png, png_info);
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int height = png_get_image_height(png, png_info);
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if(width != 24 || height != 24)
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die("not a 24x24 png");
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png_read_update_info(png, png_info);
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if (setjmp(png_jmpbuf(png)))
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die("png_read_image failed");
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png_bytepp image = (png_bytepp) malloc(sizeof(png_bytep) * height);
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for (int y = 0; y < height; y++)
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image[y] = (png_bytep) malloc(png_get_rowbytes(png, png_info));
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png_read_image(png, (png_bytepp) image);
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for(int y = height - 1; y >= 0; y--) {
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for(int x = 0; x < (int)png_get_rowbytes(png, png_info); x += 3) {
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unsigned char r = image[y][x + 0],
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g = image[y][x + 1],
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b = image[y][x + 2];
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if(r + g + b < 11)
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r = g = b = 30;
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fprintf(out, " 0x%02x, 0x%02x, 0x%02x,\n", r, g, b);
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}
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}
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for (int y = 0; y < height; y++)
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free(image[y]);
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free(image);
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fclose(fp);
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png_destroy_read_struct(&png, &png_info, NULL);
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}
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int main(int argc, char** argv) {
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if(argc < 3) {
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fprintf(stderr, "Usage: %s <source out> <header out> <png in>...\n",
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argv[0]);
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return 1;
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}
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FILE *source = fopen(argv[1], "wt");
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if(!source)
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die("source fopen failed");
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FILE *header = fopen(argv[2], "wt");
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if(!header)
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die("header fopen failed");
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fprintf(source, "/**** This is a generated file - do not edit ****/\n\n");
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fprintf(header, "/**** This is a generated file - do not edit ****/\n\n");
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for(int i = 3; i < argc; i++) {
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const char *filename = argv[i];
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if(strstr(filename, "char-"))
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continue;
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const char *basename = strrchr(filename, '/'); /* cmake uses / even on Windows */
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if(basename == NULL) {
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basename = filename;
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} else {
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basename++; // skip separator
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}
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char *stemname = (char*) calloc(strlen(basename), 1);
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strncpy(stemname, basename, strchr(basename, '.') - basename);
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for(size_t j = 0; j < strlen(stemname); j++) {
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if(!isalnum(stemname[j]))
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stemname[j] = '_';
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}
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fprintf(header, "extern unsigned char Icon_%s[24*24*3];\n", stemname);
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fprintf(source, "unsigned char Icon_%s[24*24*3] = {\n", stemname);
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write_png(source, filename);
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fprintf(source, "};\n\n");
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free(stemname);
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}
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fclose(source);
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fclose(header);
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}
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Reference in New Issue
Block a user