Imagick 中的奇怪行为 PHP

Question

所以我的应用程序中的 Imagick 有一个相当特殊的问题。该应用程序使用 upper input 创建一个 "pet" 他们 select 的颜色、品种等。生成宠物后，它的十六进制值将保存到数据库中，然后他们可以为该宠物装备物品。此功能的演示位于 here

我遇到的问题是有第二个脚本可以在用户装备和物品时更新并重新保存宠物，或者如果宠物从婴儿变大。当我运行这个脚本时，宠物突然看起来比创建时更黑，如下所示：

如您所见，宠物在创建时比在更新时轻得多。我认为问题可能在于 COMPOSITE_MULTIPLY 和 COMPOSITE_OVERLAY 在创建时和更新时表现不同，因为除了从数据库中提取与从用户输入中提取（值存储正确）。

老实说，我不确定这是创建太亮还是更新太暗的问题。重要的是它必须保持一致，人们不会希望他们创造的宠物的颜色随机改变！老实说，更新后的脚本生成的颜色似乎更接近您在第一个屏幕截图中看到的十六进制值，这让我觉得创建的颜色太浅了。

宠物创建脚本：

use \Imagick;
use File;
use App\DataPet;

class PetGenerator
{
/**
 * Generate pet image
 *
 * @param $species
 * @param $baseHex
 * @param $eyeHex
 * @param $age
 * @param $gender
 * @param $genderHex
 * @param $markings
 * @param $layer1
 * @param $layer2
 * @param $layer3
 * @param $layer4
 *
 * @return Imagick
 */
public function drawPet($species, $baseHex, $eyeHex, $age, $gender, $genderHex, $markings, $layer1, $layer2, $layer3, $layer4)
{
    // Call pet data
    $pet = DataPet::where('name', $species)->first();

    // Instantiate adult image objects
    if ($age == 'adult')
    {
        $base = new \Imagick("./img/pets/" . $species . "/base_color.png");
        $eye = new \Imagick("./img/pets/" . $species . "/eye_color.png");
        $lines = new \Imagick("./img/pets/" . $species . "/lines.png");
        $shading = new \Imagick("./img/pets/" . $species . "/shading.png");
        $lights = new \Imagick("./img/pets/" . $species . "/lights.png");

        // Checks for gendered attribute
        if ($pet->gendered == true )
        {
            if ($gender == $pet->gendered_value)
            {
                $genderBase = new \Imagick("./img/pets/" . $species . "/" . $pet->gendered_attribute . "_color.png");
                $genderLines = new \Imagick("./img/pets/" . $species . "/" . $pet->gendered_attribute . "_lines.png");
                $genderShading = new \Imagick("./img/pets/" . $species . "/" . $pet->gendered_attribute . "_shading.png");
                $genderLights = new \Imagick("./img/pets/" . $species . "/" . $pet->gendered_attribute . "_lights.png");

                // Recolors attribute if recolorable
                if ($pet->gendered_recolor == true)
                {
                    $genderBase->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                    $genderBase->setImageBackgroundColor($genderHex);
                    $genderBase->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
                }
            }
        }
    }

    // Instantiate baby image objects
    else {
        $base = new \Imagick("./img/pets/" . $species . "/baby/base_color.png");
        $eye = new \Imagick("./img/pets/" . $species . "/baby/eye_color.png");
        $lines = new \Imagick("./img/pets/" . $species . "/baby/lines.png");
        $shading = new \Imagick("./img/pets/" . $species . "/baby/shading.png");
        $lights = new \Imagick("./img/pets/" . $species . "/baby/lights.png");
    }

    // Recolors base
    $base->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
    $base->setImageBackgroundColor($baseHex);
    $base->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);

    // Recolors eyes
    $eye->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
    $eye->setImageBackgroundColor($eyeHex);
    $eye->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);

    // Begin composite
    // If extra layers: under markings
    if ($pet->layer_name1)
    {
        if ($pet->layer_pos1 == 1)
        {
            if ($age == 'adult')
            {
                $layer = new \Imagick("./img/pets/" . $species . "/" . $pet->layer_name1 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $species . "/baby/" . $pet->layer_name1 . ".png");
            }

            if ($pet->layer_recolor1 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($layer1);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($pet->layer_name2)
    {
        if ($pet->layer_pos2 == 1)
        {
            if ($age == 'adult')
            {
                $layer = new \Imagick("./img/pets/" . $species . "/" . $pet->layer_name2 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $species . "/baby/" . $pet->layer_name2 . ".png");
            }

            if ($pet->layer_recolor2 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($layer2);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($pet->layer_name3)
    {
        if ($pet->layer_pos3 == 1)
        {
            if ($age == 'adult')
            {
                $layer = new \Imagick("./img/pets/" . $species . "/" . $pet->layer_name3 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $species . "/baby/" . $pet->layer_name3 . ".png");
            }

            if ($pet->layer_recolor3 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($layer3);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($pet->layer_name4)
    {
        if ($pet->layer_pos4 == 1)
        {
            if ($age == 'adult')
            {
                $layer = new \Imagick("./img/pets/" . $species . "/" . $pet->layer_name4 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $species . "/baby/" . $pet->layer_name4 . ".png");
            }

            if ($pet->layer_recolor4 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($layer4);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    // Layer markings
    if ($age == 'adult')
    {
        foreach ($markings as $marking => $color)
        {
            $marking = new \Imagick("./img/pets/" . $species . "/markings/" . $marking . ".png");
            $marking->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
            $marking->setImageBackgroundColor($color);
            $marking->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            $base->compositeImage($marking, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    else
    {
        foreach ($markings as $marking => $color)
        {
            $marking = new \Imagick("./img/pets/" . $species . "/baby/markings/" . $marking . ".png");
            $marking->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
            $marking->setImageBackgroundColor($color);
            $marking->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            $base->compositeImage($marking, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    // If extra layers: over markings
    if ($pet->layer_name1)
    {
        if ($pet->layer_pos1 == 0)
        {
            if ($age == 'adult')
            {
                $layer = new \Imagick("./img/pets/" . $species . "/" . $pet->layer_name1 . ".png");
            } else
            {
                $layer = new \Imagick("./img/pets/" . $species . "/baby/" . $pet->layer_name1 . ".png");
            }

            if ($pet->layer_recolor1 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($layer1);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($pet->layer_name2)
    {
        if ($pet->layer_pos2 == 0)
        {
            if ($age == 'adult')
            {
                $layer = new \Imagick("./img/pets/" . $species . "/" . $pet->layer_name2 . ".png");
            }

            else
            {
                $layer = new \Imagick("./img/pets/" . $species . "/baby/" . $pet->layer_name2 . ".png");
            }

            if ($pet->layer_recolor2 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($layer2);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($pet->layer_name3)
    {
        if ($pet->layer_pos3 == 0)
        {
            if ($age == 'adult')
            {
                $layer = new \Imagick("./img/pets/" . $species . "/" . $pet->layer_name3 . ".png");
            }

            else
            {
                $layer = new \Imagick("./img/pets/" . $species . "/baby/" . $pet->layer_name3 . ".png");
            }

            if ($pet->layer_recolor3 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($layer3);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($pet->layer_name4)
    {
        if ($pet->layer_pos4 == 0)
        {
            if ($age == 'adult')
            {
                $layer = new \Imagick("./img/pets/" . $species . "/" . $pet->layer_name4 . ".png");
            }

            else
            {
                $layer = new \Imagick("./img/pets/" . $species . "/baby/" . $pet->layer_name4 . ".png");
            }

            if ($pet->layer_recolor4 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($layer4);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    // Lion tail tuft
    if ($pet->name == 'lion' && $age == 'adult')
    {
        $tuft = new \Imagick("./img/pets/lion/tailtuft.png");

        $tuft->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
        $tuft->setImageBackgroundColor($genderHex);
        $tuft->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);

        $base->compositeImage($tuft, imagick::COMPOSITE_DEFAULT, 0, 0);
    }

    $base->compositeImage($eye, imagick::COMPOSITE_DEFAULT, 0, 0);
    $base->compositeImage($shading, imagick::COMPOSITE_MULTIPLY, 0,0);
    $base->compositeImage($lights, imagick::COMPOSITE_OVERLAY, 0, 0);
    $base->compositeImage($lines, imagick::COMPOSITE_DEFAULT, 0, 0);

    if (isset($genderBase))
    {
        $base->compositeImage($genderBase, imagick::COMPOSITE_DEFAULT, 0, 0);
        $base->compositeImage($genderShading, imagick::COMPOSITE_MULTIPLY, 0,0);
        $base->compositeImage($genderLights, imagick::COMPOSITE_OVERLAY, 0, 0);
        $base->compositeImage($genderLines, imagick::COMPOSITE_DEFAULT, 0,0);
    }

    // Outputs final result
    return $base;
}

public function savePet($id, $img)
{
    $img->writeImage('/assets/pets/' . $id . '.png');
}
}

所有输入都被输入到函数中（标记被压缩到一个数组中）。

这是更新脚本，它接受一个宠物对象和一个可选的物品对象，它将找到所需的物品并将其添加到宠物中。这也将扩展到包括现有项目，如果这样的事情对这个问题很重要的话。

use \Imagick;
use File;
use App\DataPet;
use App\Pet;
use App\User;
use App\DataItem;

class UpdatePet
{
public function update($p, $i = NULL)
{
    // Retrieve info
    $pet = Pet::findOrFail($p->id);
    $data = DataPet::where('name', $pet->species)->get()->first();

    if ($i) {
        $item = DataItem::findOrFail($i->id);
    }

    // Create marking array
    $markings = array();

    if ($pet->head_marking != 'none') {
        $markings[$pet->head_marking] = $pet->head_color;
    }
    if ($pet->neck_marking != 'none') {
        $markings[$pet->neck_marking] = $pet->neck_color;
    }
    if ($pet->back_marking != 'none') {
        $markings[$pet->back_marking] = $pet->back_color;
    }
    if ($pet->belly_marking != 'none') {
        $markings[$pet->belly_marking] = $pet->belly_color;
    }
    if ($data->legs) {
        if ($pet->leg_marking != 'none') {
            $markings[$pet->leg_marking] = $pet->leg_color;
        }
    }
    if ($data->ears) {
        if ($pet->ear_marking != 'none') {
            $markings[$pet->ear_marking] = $pet->ear_color;
        }
    }
    if ($data->tail) {
        if ($pet->tail_marking != 'none') {
            $markings[$pet->tail_marking] = $pet->tail_color;
        }
    }
    if ($data->wings) {
        if ($pet->wing_marking != 'none') {
            $markings[$pet->wing_marking] = $pet->wing_color;
        }
    }
    if ($pet->eyes_marking != 'none') {
        $markings[$pet->eyes_marking] = $pet->eyes_color;
    }
    if ($pet->fullbody_marking != 'none') {
        $markings[$pet->fullbody_marking] = $pet->fullbody_color;
    }
    if ($pet->free1_marking != 'none') {
        $markings[$pet->free1_marking] = $pet->free1_color;
    }
    if ($pet->free2_marking != 'none') {
        $markings[$pet->free2_marking] = $pet->free2_color;
    }
    if ($pet->free3_marking != 'none') {
        $markings[$pet->free3_marking] = $pet->free3_color;
    }

    // Instantiate adult image objects
    if ($pet->age >= 10)
    {
        $color = new \Imagick("./img/pets/" . $pet->species . "/base_color.png");
        $eye = new \Imagick("./img/pets/" . $pet->species . "/eye_color.png");
        $lines = new \Imagick("./img/pets/" . $pet->species . "/lines.png");
        $shading = new \Imagick("./img/pets/" . $pet->species . "/shading.png");
        $lights = new \Imagick("./img/pets/" . $pet->species . "/lights.png");

        // Checks for gendered attribute
        if ($data->gendered == true )
        {
            if ($pet->gender == $data->gendered_value)
            {
                $genderBase = new \Imagick("./img/pets/" . $pet->species . "/" . $data->gendered_attribute . "_color.png");
                $genderLines = new \Imagick("./img/pets/" . $pet->species . "/" . $data->gendered_attribute . "_lines.png");
                $genderShading = new \Imagick("./img/pets/" . $pet->species . "/" . $data->gendered_attribute . "_shading.png");
                $genderLights = new \Imagick("./img/pets/" . $pet->species . "/" . $data->gendered_attribute . "_lights.png");

                // Recolors attribute if recolorable
                if ($pet->gendered_recolor == true)
                {
                    $genderBase->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                    $genderBase->setImageBackgroundColor($pet->gendered_color);
                    $genderBase->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
                }
            }
        }
    }

    // Instantiate baby image objects
    else {
        $color = new \Imagick("./img/pets/" . $pet->species . "/baby/base_color.png");
        $eye = new \Imagick("./img/pets/" . $pet->species . "/baby/eye_color.png");
        $lines = new \Imagick("./img/pets/" . $pet->species . "/baby/lines.png");
        $shading = new \Imagick("./img/pets/" . $pet->species . "/baby/shading.png");
        $lights = new \Imagick("./img/pets/" . $pet->species . "/baby/lights.png");
    }

    // Recolors base
    $color->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
    $color->setImageBackgroundColor($pet->base_color);
    $color->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);

    // Recolors eyes
    $eye->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
    $eye->setImageBackgroundColor($pet->eye_color);
    $eye->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);

    // Create base layer (blank unless scene included)
    if ($i) {
        if ($item->type == 9) {
            $base = new \Imagick("./img/sceneries/scene_" . $item->id . ".png");
            $base->compositeImage($color, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    } else {
        $base = new \Imagick("./img/empty.png");
        $base->compositeImage($color, imagick::COMPOSITE_DEFAULT, 0, 0);
    }

    // Begin composite
    // If extra layers: under markings
    if ($data->layer_name1)
    {
        if ($data->layer_pos1 == 1)
        {
            if ($pet->age >= 10)
            {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/" . $data->layer_name1 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/baby/" . $data->layer_name1 . ".png");
            }

            if ($data->layer_recolor1 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($pet->layer1_color);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($data->layer_name2)
    {
        if ($data->layer_pos2 == 1)
        {
            if ($pet->age >= 10)
            {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/" . $data->layer_name2 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/baby/" . $data->layer_name2 . ".png");
            }

            if ($data->layer_recolor2 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($pet->layer2_color);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($data->layer_name3)
    {
        if ($data->layer_pos3 == 1)
        {
            if ($pet->age >= 10)
            {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/" . $data->layer_name3 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/baby/" . $data->layer_name3 . ".png");
            }

            if ($data->layer_recolor3 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($pet->layer3_color);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($data->layer_name4)
    {
        if ($data->layer_pos4 == 1)
        {
            if ($pet->age >= 10)
            {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/" . $data->layer_name4 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/baby/" . $data->layer_name4 . ".png");
            }

            if ($data->layer_recolor4 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($pet->layer4_color);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    // Layer markings
    if ($pet->age >= 10)
    {
        foreach ($markings as $marking => $color)
        {
            $marking = new \Imagick("./img/pets/" . $pet->species . "/markings/" . $marking . ".png");
            $marking->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
            $marking->setImageBackgroundColor($color);
            $marking->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            $base->compositeImage($marking, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    else
    {
        foreach ($markings as $marking => $color)
        {
            $marking = new \Imagick("./img/pets/" . $pet->species . "/baby/markings/" . $marking . ".png");
            $marking->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
            $marking->setImageBackgroundColor($color);
            $marking->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            $base->compositeImage($marking, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    // If extra layers: over markings
            if ($data->layer_name1)
    {
        if ($data->layer_pos1 == 0)
        {
            if ($pet->age >= 10)
            {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/" . $data->layer_name1 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/baby/" . $data->layer_name1 . ".png");
            }

            if ($data->layer_recolor1 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($pet->layer1_color);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($data->layer_name2)
    {
        if ($data->layer_pos2 == 0)
        {
            if ($pet->age >= 10)
            {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/" . $data->layer_name2 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/baby/" . $data->layer_name2 . ".png");
            }

            if ($data->layer_recolor2 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($pet->layer2_color);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($data->layer_name3)
    {
        if ($data->layer_pos3 == 0)
        {
            if ($pet->age >= 10)
            {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/" . $data->layer_name3 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/baby/" . $data->layer_name3 . ".png");
            }

            if ($data->layer_recolor3 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($pet->layer3_color);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    if ($data->layer_name4)
    {
        if ($data->layer_pos4 == 0)
        {
            if ($pet->age >= 10)
            {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/" . $data->layer_name4 . ".png");
            }

            else {
                $layer = new \Imagick("./img/pets/" . $pet->species . "/baby/" . $data->layer_name4 . ".png");
            }

            if ($data->layer_recolor4 == 1)
            {
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
                $layer->setImageBackgroundColor($pet->layer4_color);
                $layer->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);
            }

            $base->compositeImage($layer, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    // Lion tail tuft
    if ($pet->species == 'lion' && $pet->age >= 10)
    {
        $tuft = new \Imagick("./img/pets/lion/tailtuft.png");

        $tuft->setImageAlphaChannel(Imagick::ALPHACHANNEL_EXTRACT);
        $tuft->setImageBackgroundColor($pet->gendered_color);
        $tuft->setImageAlphaChannel(Imagick::ALPHACHANNEL_SHAPE);

        $base->compositeImage($tuft, imagick::COMPOSITE_DEFAULT, 0, 0);
    }

    $base->compositeImage($eye, imagick::COMPOSITE_DEFAULT, 0, 0);
    $base->compositeImage($shading, imagick::COMPOSITE_MULTIPLY, 0,0);
    $base->compositeImage($lights, imagick::COMPOSITE_OVERLAY, 0, 0);
    $base->compositeImage($lines, imagick::COMPOSITE_DEFAULT, 0, 0);

    if (isset($genderBase))
    {
        $base->compositeImage($genderBase, imagick::COMPOSITE_DEFAULT, 0, 0);
        $base->compositeImage($genderShading, imagick::COMPOSITE_MULTIPLY, 0,0);
        $base->compositeImage($genderLights, imagick::COMPOSITE_OVERLAY, 0, 0);
        $base->compositeImage($genderLines, imagick::COMPOSITE_DEFAULT, 0,0);
    }

    // Attaches Skin, if any
    if ($i) {
        if ($item->type == 8) {
            $skin = new \Imagick("./img/assets/skins/skin_" . $item->id . ".png");
            $base->compositeImage($skin, imagick::COMPOSITE_DEFAULT, 0, 0);
        }
    }

    // Outputs final result
    $base->writeImage('./img/assets/pets/' . $pet->id . '.png');
    return true;
}
}

顺便说一句，有没有办法让用户不需要在每次更新时都清除缓存来查看图像的变化？按照现在的情况，每次都要ctrl+f5。

Answer 1

尝试添加这个：

-colorspace sRGB

https://forge.typo3.org/issues/36597

Imagick 中的奇怪行为 PHP

Odd behavior in Imagick PHP

php

laravel

imagick