Moved graphics classes into own namespace, added unit testing with gtest

.gitignore

@@ -4,3 +4,4 @@ builddir/
 !.vscode/c_cpp_properties.json
 !.vscode/settings.json
 !.vscode/launch.json
+ptouch-print/

.vscode/launch.json

@@ -5,7 +5,7 @@
   "version": "0.2.0",
   "configurations": [
     {
-      "name": "(gdb) Starten",
+      "name": "ptprnt_debug",
       "type": "cppdbg",
       "request": "launch",
       "program": "${workspaceFolder}/builddir/ptprnt",

meson.build

@@ -4,23 +4,59 @@ project('ptprnt', 'cpp',
     default_options : ['c_std=c11', 'cpp_std=c++17']
 )
 
-usbdep = dependency('libusb-1.0')
-logdep = dependency('spdlog')
+usb_dep = dependency('libusb-1.0')
+log_dep = dependency('spdlog')
+pangocairo_dep = dependency('pangocairo')
 
 incdir = include_directories('src')
 
-srcs = [
-    'src/main.cpp',
-    'src/PtouchPrint.cpp',
-    'src/P700Printer.cpp',
-    'src/libusbwrap/UsbDeviceFactory.cpp',
-    'src/libusbwrap/UsbDevice.cpp'
+ptprnt_hpps = [
+    'src/libusbwrap/interface/IUsbDeviceFactory.hpp',
+    'src/libusbwrap/interface/IUsbDevice.hpp',
+    'src/libusbwrap/UsbDeviceFactory.hpp',
+    'src/libusbwrap/LibUsbTypes.hpp',
+    'src/libusbwrap/UsbDevice.hpp',
+    'src/interface/IPrinterDriver.hpp',
+    'src/interface/IPrinterTypes.hpp',
+    'src/P700Printer.hpp',
+    'src/PtouchPrint.hpp',
+    'src/graphics/Bitmap.hpp',
+    'src/graphics/Image.hpp',
 ]
 
-executable(
-    'ptprnt', 
-    srcs,
+ptprnt_srcs = [
+    'src/PtouchPrint.cpp',
+    'src/P700Printer.cpp',
+    'src/graphics/Image.cpp',
+    'src/graphics/Bitmap.cpp',
+    'src/libusbwrap/UsbDeviceFactory.cpp',
+    'src/libusbwrap/UsbDevice.cpp',
+]
+
+ptprnt_lib = library('ptprnt', 
                      include_directories: incdir,
-    dependencies : [usbdep, logdep],
+                     install: true,
+                     dependencies: [usb_dep, log_dep, pangocairo_dep],
+                     sources: [ptprnt_hpps, ptprnt_srcs])
+
+ptprnt_dep = declare_dependency(include_directories: incdir,
+                                link_with: ptprnt_lib)
+
+ptprnt_debug_exe = executable(
+    'ptprnt', 
+    'src/main.cpp',
+    install: true,
+    dependencies : [usb_dep, log_dep, ptprnt_dep],
     cpp_args : ['-DPROJ_VERSION="'+meson.project_version()+'"']
 )
+
+
+
+#cmake = import('cmake')
+gtest_proj = subproject('gtest')
+gtest_dep = gtest_proj.get_variable('gtest_main_dep')
+if not gtest_dep.found()
+    error('MESON_SKIP_TEST: gtest not installed.')
+endif
+
+subdir('tests')

src/Bitmap.hpp

@@ -1,16 +0,0 @@
-#pragma once
-
-#include <stdint.h>
-
-#include <vector>
-
-namespace ptprnt {
-
-struct Bitmap {
-    uint16_t width;
-    uint16_t height;
-    uint16_t bitsPerPixel;
-    std::vector<uint8_t> data;
-};
-
-}  // namespace ptprnt

src/P700Printer.cpp

@@ -2,6 +2,7 @@
 
 #include <spdlog/spdlog.h>
 
+#include <array>
 #include <chrono>
 #include <cstdint>
 #include <iostream>
@@ -9,6 +10,7 @@
 #include <thread>
 #include <vector>
 
+#include "graphics/Image.hpp"
 #include "libusb.h"
 #include "libusbwrap/LibUsbTypes.hpp"
 #include "spdlog/fmt/bin_to_hex.h"
@@ -100,11 +102,35 @@ bool P700Printer::detachUsbDevice() {
     return true;
 }
 
-bool P700Printer::printBitmap(const Bitmap& bitmap) {
+bool P700Printer::printBitmap(const graphics::Bitmap<graphics::ALPHA8>& bitmap) {
+    auto img = graphics::Image();
+    //uint8_t* imgRef = img.getRaw();
+    std::array<uint32_t, 4> line;
+
+    send(commands["rasterstart"]);
+    std::vector<uint8_t> buf(64);
+    buf[0] = 0x47;
+    for (int i = 0; i < 8; i++) {
+        if (i % 2) {
+            line.fill(0xffffffff);
+        } else {
+            line.fill(0x00000000);
+        }
+
+        buf[1] = (uint8_t)(8 + 1);
+        buf[2] = 0;
+        buf[3] = (uint8_t)(8 - 1);
+        memcpy(buf.data() + 4, line.data(), line.size());
+        send(buf);
+    }
+    send(commands["eject"]);
     return true;
 }
 
 bool P700Printer::printText(const std::string& text, uint16_t fontSize) {
+    send(commands["lf"]);
+    send(commands["ff"]);
+    send(commands["eject"]);
     return true;
 }
 
@@ -121,4 +147,11 @@ bool P700Printer::send(std::vector<uint8_t>& data) {
 
     return true;
 }
+
+bool P700Printer::init() {
+    std::vector<uint8_t> cmd(102);
+    cmd[100] = 0x1b; /* ESC */
+    cmd[101] = 0x40; /* @ */
+    return send(cmd);
+}
 }  // namespace ptprnt::printer

src/P700Printer.hpp

@@ -1,6 +1,8 @@
 #include <sys/types.h>
 
+#include <map>
 #include <memory>
+#include <vector>
 
 #include "interface/IPrinterDriver.hpp"
 #include "interface/IPrinterTypes.hpp"
@@ -29,11 +31,12 @@ class P700Printer : public ::ptprnt::IPrinterDriver {
     const PrinterStatus getPrinterStatus() override;
     bool attachUsbDevice(std::shared_ptr<libusbwrap::IUsbDevice> usbHndl) override;
     bool detachUsbDevice() override;
-    bool printBitmap(const Bitmap& bitmap) override;
+    bool printBitmap(const graphics::Bitmap<graphics::ALPHA8>& bitmap) override;
     bool printText(const std::string& text, uint16_t fontSize) override;
 
    private:
     bool send(std::vector<uint8_t>& data);
+    bool init();
 
     std::shared_ptr<libusbwrap::IUsbDevice> mUsbHndl{nullptr};
 
@@ -42,6 +45,14 @@ class P700Printer : public ::ptprnt::IPrinterDriver {
                       .version    = "v1.0",
                       .vid        = 0x04f9,
                       .pid        = 0x2061};
+    std::map<std::string, std::vector<uint8_t>> commands{
+        {"rasterstart", {0x1b, 0x69, 0x52, 0x01}},
+        {"info", {0x1b, 0x69, 0x7a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}},
+        {"packbitson", {0x02}},
+        {"lf", {0x5a}},
+        {"ff", {0x0c}},
+        {"eject", {0x1a}},
+    };
 };
 
 }  // namespace ptprnt::printer

src/PtouchPrint.cpp

@@ -3,6 +3,7 @@
 #include <spdlog/spdlog.h>
 
 #include "P700Printer.hpp"
+#include "graphics/Bitmap.hpp"
 #include "libusbwrap/UsbDeviceFactory.hpp"
 
 PtouchPrint::PtouchPrint() {}
@@ -35,6 +36,9 @@ void PtouchPrint::run() {
     printer->attachUsbDevice(devices[0]);
     auto status = printer->getPrinterStatus();
     spdlog::info("Detected tape width is {}mm", status.tapeWidthMm);
+    auto bm = ptprnt::graphics::Bitmap<ptprnt::graphics::ALPHA8>(512, 128);
+    printer->printBitmap(bm);
+    //printer->printText("wurst", 1);
 }
 
 unsigned int PtouchPrint::getCompatiblePrinters() {

src/Usb.cpp

@@ -1,101 +0,0 @@
-#include "Usb.hpp"
-
-#include <spdlog/spdlog.h>
-
-#include <cstddef>
-#include <iomanip>
-#include <iostream>
-#include <optional>
-
-#include "UsbTypes.hpp"
-#include "libusb.h"
-
-namespace ptprnt::driver {
-
-Usb::Usb() {
-    spdlog::debug("Usb constructing");
-    libusb_init(NULL);
-}
-
-Usb::~Usb() {
-    spdlog::debug("Usb destructing");
-}
-
-std::optional<std::vector<UsbDevice>> Usb::getDevices() {
-    libusb_device* libUsbDev;
-    struct libusb_device_descriptor libUsbDesc;
-    int ret, i = 0;
-
-    mDevices.clear();
-
-    if (0 == (ret = libusb_get_device_list(NULL, &mLibUsbDevs))) {
-        spdlog::error("Could not find any USB devices: {}", libusb_error_name(ret));
-        return std::nullopt;
-    }
-
-    while ((libUsbDev = mLibUsbDevs[i++]) != NULL) {
-        if ((ret = libusb_get_device_descriptor(libUsbDev, &libUsbDesc)) < 0) {
-            spdlog::error("failed to get device");
-            return std::nullopt;
-        }
-
-        UsbDevice newDev{.vendorId = libUsbDesc.idVendor,
-                         .productId = libUsbDesc.idProduct,
-                         .device = libUsbDev,
-                         .hndl = nullptr};  // handle is only available after we opened the dev
-
-        mDevices.push_back(newDev);
-        }
-    
-    return mDevices;
-}
-
-std::optional<UsbDevice> Usb::open(UsbDevice dev) {
-    libusb_device_handle* libUsbHandle = nullptr;
-    int ret = 0;
-
-    if ((ret = libusb_open(dev.device, &libUsbHandle) != 0)) {
-        spdlog::error("Could not open device {0:04X}:{1:04X}: {2}", dev.vendorId, dev.productId,
-                      libusb_error_name(ret));
-        return std::nullopt;
-    }
-
-    // detach the device from the kernel if it is active
-    if ((ret = libusb_kernel_driver_active(libUsbHandle, 0)) == 1) {
-        if ((ret = libusb_detach_kernel_driver(libUsbHandle, 0)) != 0) {
-            spdlog::error(
-                "Could not detach kernel driver for device {0:04X}:{1:04X}: "
-                "{2}",
-                dev.vendorId, dev.productId, libusb_error_name(ret));
-            return std::nullopt;
-        }
-    }
-
-    // claim interface
-    if ((ret = libusb_claim_interface(libUsbHandle, 0)) != 0) {
-        spdlog::error(
-            "Could not claim interface {0:04X}:{1:04X}: "
-            "{2}",
-            dev.vendorId, dev.productId, libusb_error_name(ret));
-    }
-
-    dev.hndl = libUsbHandle;
-
-    return dev;
-}
-
-bool Usb::close(UsbDevice dev) {
-    int ret = 0;
-    if (0 != (ret = libusb_release_interface(dev.hndl, 0))) {
-        spdlog::error(
-            "Could not close USB device {0:04X}:{1:04X}: "
-            "{2}",
-            dev.vendorId, dev.productId, libusb_error_name(ret));
-    }
-
-    spdlog::debug("test");
-    libusb_close(dev.hndl);
-    return true;
-}
-
-}  // namespace ptprnt::driver

src/interface/IPrinterDriver.hpp

@@ -3,7 +3,7 @@
 #include <memory>
 #include <string_view>
 
-#include "Bitmap.hpp"
+#include "graphics/Bitmap.hpp"
 #include "interface/IPrinterTypes.hpp"
 #include "libusbwrap/interface/IUsbDevice.hpp"
 
@@ -20,7 +20,7 @@ class IPrinterDriver {
     virtual const PrinterStatus getPrinterStatus()                                = 0;
     virtual bool attachUsbDevice(std::shared_ptr<libusbwrap::IUsbDevice> usbHndl) = 0;
     virtual bool detachUsbDevice()                                                = 0;
-    virtual bool printBitmap(const Bitmap& bitmap)                                = 0;
+    virtual bool printBitmap(const graphics::Bitmap<graphics::ALPHA8>& bitmap)    = 0;
     virtual bool printText(const std::string& text, uint16_t fontSize)            = 0;
 };